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camera开始

master
blobt 5 years ago
parent
0cb6a4f5dd
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a5516f7f26
21 changed files with 772 additions and 1971 deletions
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  1. 2
      CMakeLists.txt
  2. 2
      src/6threed/Image.h
  3. 609
      src/6threed/Raster.cc
  4. 522
      src/6threed/Raster.h
  5. 159
      src/6threed/struct/common.h
  6. 175
      src/6threed/struct/plane.h
  7. 87
      src/6threed/struct/tfrustum.h
  8. 174
      src/6threed/struct/tmat3x3.h
  9. 387
      src/6threed/struct/tmat4x4.h
  10. 57
      src/6threed/struct/tvec2.h
  11. 172
      src/6threed/struct/tvec3.h
  12. 183
      src/6threed/struct/tvec4.h
  13. 77
      src/6threed/threed.cc
  14. 7
      src/7camera/CMakeLists.txt
  15. 0
      src/7camera/Image.cc
  16. 0
      src/7camera/Image.h
  17. 0
      src/7camera/Raster.cc
  18. 0
      src/7camera/Raster.h
  19. 77
      src/7camera/camera.cc
  20. 0
      src/7camera/common.h
  21. 7
      src/7threed/CMakeLists.txt

2
CMakeLists.txt
View File

@ -21,5 +21,5 @@ list(APPEND FC_DEP_LIBS freeimage)
#add_subdirectory(src/4matrix) #add_subdirectory(src/4matrix)
#add_subdirectory(src/5threed) #add_subdirectory(src/5threed)
#add_subdirectory(src/6threed) #add_subdirectory(src/6threed)
add_subdirectory(src/7threed)
add_subdirectory(src/7camera)

2
src/6threed/Image.h
View File

@ -41,7 +41,7 @@ public:
//检查文件类型 //检查文件类型
FREE_IMAGE_FORMAT fifmt = FreeImage_GetFileType(fileName, 0); FREE_IMAGE_FORMAT fifmt = FreeImage_GetFileType(fileName, 0);
if (fifmt == FIF_UNKNOWN) { if (fifmt == FIF_UNKNOWN) {
//die("FreeImage_GetFileType");
die("FreeImage_GetFileType");
} }
//获取 //获取

609
src/6threed/Raster.cc
View File

@ -1,210 +1,527 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: Raster.cc
* Author: blobt
*
* Created on January 23, 2020, 6:00 PM
*/
#include "Raster.h" #include "Raster.h"
#include "FreeImage.h"
#include "Image.h"
#include <stdio.h>
#include <iostream>
#include <string.h> #include <string.h>
#include <math.h>
using namespace std;
Raster::Raster(int width, int height) {
_width = width;
_height = height;
_color = Rgba();
_texture = 0;
buffer = new Rgba[width * height];
memset(&_positionPointer, 0, sizeof (_positionPointer));
memset(&_colorPointer, 0, sizeof (_colorPointer));
memset(&_uvPointer, 0, sizeof (_uvPointer));
_defaultColorPointer.size = 4;
_defaultColorPointer.type = DT_BYTE;
_defaultColorPointer.stride = sizeof (Rgba);
_defaultColorPointer.data = _defaultColorArray;
_defaultUvPointer.size = 2;
_defaultUvPointer.type = DT_FLOAT;
_defaultUvPointer.stride = sizeof (float2);
_defaultUvPointer.data = _defaultUvArray;
_matModel = matrix4(1);
_matView = matrix4(1);
_matProj = matrix4(1);
}
namespace CELL {
Raster::~Raster() {
delete buffer;
}
Raster::Raster(int w, int h, void* buffer) {
_texture = 0;
_width = w;
_height = h;
_buffer = (uint*) buffer;
memset(&_poitionPointer, 0, sizeof (_poitionPointer));
memset(&_colorPointer, 0, sizeof (_colorPointer));
memset(&_uvPointer, 0, sizeof (_uvPointer));
void Raster::vertexPointer(int size, DATETYPE type, int stride, const void* data) {
this->_positionPointer.size = size;
this->_positionPointer.type = type;
this->_positionPointer.stride = stride;
this->_positionPointer.data = data;
}
_defaultColorPointer._size = 4;
_defaultColorPointer._type = DT_BYTE;
_defaultColorPointer._stride = sizeof (Rgba);
_defaultColorPointer._data = _defaultColorArray;
void Raster::colorPointer(int size, DATETYPE type, int stride, const void* data) {
this->_colorPointer.size = size;
this->_colorPointer.type = type;
this->_colorPointer.stride = stride;
this->_colorPointer.data = data;
}
_defaultUVPointer._size = 2;
_defaultUVPointer._type = DT_FLOAT;
_defaultUVPointer._stride = sizeof (float2);
_defaultUVPointer._data = _detaultUVArray;
void Raster::textureCoordPointer(int size, DATETYPE type, int stride, const void* data) {
this->_uvPointer.size = size;
this->_uvPointer.type = type;
this->_uvPointer.stride = stride;
this->_uvPointer.data = data;
}
_matModel = CELL::matrix4(1);
_matView = CELL::matrix4(1);
_matProj = CELL::matrix4(1);
}
void Raster::drawLine(float2 p1, float2 p2, Rgba color) {
Raster::~Raster(void) {
}
float xOffer = p1.x - p2.x;
float yOffer = p1.y - p2.y;
float xStart, xEnd, yStart, yEnd;
void Raster::clear() {
memset(_buffer, 0, _width * _height * sizeof (Rgba));
if (xOffer == 0 && yOffer == 0) {
setPixel(p1.x, p1.y, color);
} }
void Raster::drawImage(int startX, int startY, const Image* image) {
int left = tmax<int>(startX, 0);
int top = tmax<int>(startY, 0);
int right = tmin<int>(startX + image->width(), _width);
int bottom = tmin<int>(startY + image->height(), _height);
for (int x = left; x < right; ++x) {
for (int y = top; y < bottom; ++y) {
Rgba color = image->pixelAt(x - left, y - top);
setPixelEx(x, y, color);
}
if (fabs(xOffer) > fabs(yOffer)) {
if (p1.x < p2.x) {
xStart = p1.x;
xEnd = p2.x;
yEnd = p2.y;
} else {
xStart = p2.x;
xEnd = p1.x;
yEnd = p1.y;
} }
}
void Raster::drawArrays(DRAWMODE pri, int start, int count) {
if (_poitionPointer._data == 0) {
return;
float slope = yOffer / xOffer;
for (float i = xStart; i < xEnd; i += 1.0) {
float q = yEnd - slope * (xEnd - i);
setPixel(i, q, color);
} }
DateElementDes colorPointerdesc = _colorPointer;
DateElementDes uvPointerdesc = _uvPointer;
if (colorPointerdesc._data == 0) {
colorPointerdesc = _defaultColorPointer;
} else {
if (p1.y < p2.y) {
yStart = p1.y;
yEnd = p2.y;
xEnd = p2.x;
} else {
yStart = p2.y;
yEnd = p1.y;
xEnd = p1.x;
} }
if (uvPointerdesc._data == 0) {
uvPointerdesc = _defaultUVPointer;
float slope = xOffer / yOffer;
for (float i = yStart; i < yEnd; i += 1.0) {
float q = xEnd - slope * (yEnd - i);
setPixel(q, i, color);
} }
char* posData = (char*) _poitionPointer._data;
char* cData = (char*) colorPointerdesc._data;
char* uvData = (char*) uvPointerdesc._data;
}
_matProjView = _matProj * _matView;
}
matrix4 matPVT = _matProjView.transpose();
void Raster::drawPoint(int x, int y, Rgba color, int pointSize) {
switch (pointSize) {
case 1:
setPixel(x, y, color);
break;
case 2:
setPixel(x, y, color);
setPixel(x + 1, y, color);
setPixel(x, y + 1, color);
setPixel(x + 1, y + 1, color);
break;
case 3:
setPixel(x - 1, y - 1, color);
setPixel(x, y - 1, color);
setPixel(x + 1, y - 1, color);
setPixel(x - 1, y, color);
setPixel(x, y, color);
setPixel(x + 1, y, color);
setPixel(x - 1, y + 1, color);
setPixel(x, y + 1, color);
setPixel(x + 1, y + 1, color);
break;
}
}
_frust.loadFrustum(matPVT);
/**
* 画一条平行于x轴的直线
* @param span
*/
void Raster::drawSpan(const Span &span, Image* image) {
//float length = tmax<int>(span.xStart - span.xEnd, 1); //取保length不为0
for (int i = start; i < start + count; i += 3) {
float* fData = (float*) posData;
float3 p01(fData[0], fData[1], fData[2]);
Rgba color;
Rgba blendColor;
Rgba dstColor;
float2 uv;
float scale;
float length = span.xEnd - span.xStart;
posData += _poitionPointer._stride;
fData = (float*) (posData);
//TODO 这里越界和texture不兼容，没有解决
//int startX = tmax<int>(span.xStart, 0);
//int endX = tmin<int>(span.xEnd, _width);
float3 p11(fData[0], fData[1], fData[2]);
posData += _poitionPointer._stride;
fData = (float*) (posData);
int startX = span.xStart;
int endX = span.xEnd;
int t = 0;
//优化3 x轴越界处理
for (int i = startX; i <= endX; i++) {
float3 p21(fData[0], fData[1], fData[2]);
posData += _poitionPointer._stride;
if (length == 0) {
scale = 0;
} else {
scale = (float) (i - startX) / length;
}
p01 = p01 * _matModel;
p11 = p11 * _matModel;
p21 = p21 * _matModel;
blendColor = colorLerp(span.color1, span.color2, scale);
uv = uvLerp(span.uvStart, span.uvEnd, scale);
printf("%f,%f,%f\n",fData[0], fData[1], fData[2]);
color = image->pixelUv(uv.x, uv.y);
if (_frust.pointInFrustum(p01)
|| _frust.pointInFrustum(p11)
|| _frust.pointInFrustum(p21)
) {printf("sasa");
p01 = piplineTransform(p01);
p11 = piplineTransform(p11);
p21 = piplineTransform(p21);
//! ת��Ϊ��Ļ����
int2 p0(p01.x, p01.y);
int2 p1(p11.x, p11.y);
int2 p2(p21.x, p21.y);
//颜色混合
dstColor = color + blendColor;
Rgba c0(*(Rgba*) cData);
cData += _colorPointer._stride;
Rgba c1(*(Rgba*) cData);
cData += _colorPointer._stride;
Rgba c2(*(Rgba*) cData);
cData += _colorPointer._stride;
float* pUV = (float*) uvData;
float2 uv0(pUV[0], pUV[1]);
uvData += _uvPointer._stride;
pUV = (float*) uvData;
float2 uv1(pUV[0], pUV[1]);
uvData += _uvPointer._stride;
pUV = (float*) uvData;
float2 uv2(pUV[0], pUV[1]);
uvData += _uvPointer._stride;
setPixel(i, span.y, blendColor);
}
}
Ege eges[3] ={
Ege(p0.x, p0.y, c0, uv0, p1.x, p1.y, c1, uv1),
Ege(p1.x, p1.y, c1, uv1, p2.x, p2.y, c2, uv2),
Ege(p2.x, p2.y, c2, uv2, p0.x, p0.y, c0, uv0),
};
drawTrianle(eges);
void Raster::drawEge(const Ege& e1, const Ege& e2, Image* image) {
if (_colorPointer._data == 0) {
cData = (char*) colorPointerdesc._data;
}
if (_uvPointer._data == 0) {
float xOffset1 = fabs(e1.x2 - e1.x1);
float yOffset1 = fabs(e1.y2 - e1.y1);
float setp1 = 1 / yOffset1;
float scale1 = (e1.y2 - e2.y2) / yOffset1; //TODO:yOffset1 不能为0
uvData = (char*) uvPointerdesc._data;
}
}
float xOffset2 = fabs(e2.x2 - e2.x1);
float yOffset2 = fabs(e2.y2 - e2.y1);
float setp2 = 1 / yOffset2; //TODO:yOffset2 不能为0
float scale2 = 0;
//优化2 y轴越界处理
int startY2 = tmin<int>(e2.y2, _height);
int endY2 = tmax<int>(e2.y1, 0);
scale2 = (e2.y2 - startY2) / yOffset2;
int startY1 = tmin<int>(e1.y2, _height);
float s = (e1.y2 - startY1) / yOffset1;
scale1 = tmax<float>(scale1, s);
float2 uvE1;
float2 uvE2;
Rgba color1;
Rgba color2;
for (int y = startY2; y > endY2; y--) {
int x2;
if (e2.x2 < e2.x1) {
x2 = e2.x2 + xOffset2 * scale2;
} else {
x2 = e2.x2 - xOffset2 * scale2;
} }
}
color2 = colorLerp(e2.color2, e2.color1, scale2);
uvE2 = uvLerp(e2.uv2, e2.uv1, scale2);
scale2 += setp2;
//setPixel(x2, y, Rgba(255,0,0));
void Raster::bindTexture(Image* image) {
_texture = image;
}
void Raster::textureCoordPointer(int size, DATETYPE type, int stride, const void* data) {
_uvPointer._size = size;
_uvPointer._type = type;
_uvPointer._stride = stride;
_uvPointer._data = data;
}
int x1;
if (e1.x2 < e1.x1) {
x1 = e1.x2 + xOffset1 * scale1;
} else {
x1 = e1.x2 - xOffset1 * scale1;
}
color1 = colorLerp(e1.color2, e1.color1, scale1);
uvE1 = uvLerp(e1.uv2, e1.uv1, scale1);
scale1 += setp1;
//setPixel(x1, y, Rgba(255,0,0));
void Raster::colorPointer(int size, DATETYPE type, int stride, const void* data) {
_colorPointer._size = size;
_colorPointer._type = type;
_colorPointer._stride = stride;
_colorPointer._data = data;
Span span(x1, x2, y, color1, color2, uvE1, uvE2);
drawSpan(span, image);
} }
}
void Raster::drawTriangle(Ege eges[3], Image* image) {
int iMax = 0;
int length = eges[0].y2 - eges[0].y1;
void Raster::vertexPointer(int size, DATETYPE type, int stride, const void* data) {
_poitionPointer._size = size;
_poitionPointer._type = type;
_poitionPointer._stride = stride;
_poitionPointer._data = data;
int curLength = 0;
for (int i = 1; i < 3; i++) {
curLength = eges[i].y2 - eges[i].y1;
if (curLength > length) {
length = curLength;
iMax = i;
}
} }
void Raster::loadMatrix(const CELL::matrix4& mat) {
_matModel = mat;
int iShort1 = (iMax + 1) % 3;
int iShort2 = (iMax + 2) % 3;
//printf("max:%d (%d,%d) (%d,%d) (%d,%d,%d) (%d,%d,%d)\n", iMax,eges[iMax].x1, eges[iMax].y1, eges[iMax].x2, eges[iMax].y2, eges[iMax].color1._r, eges[iMax].color1._g, eges[iMax].color1._b, eges[iMax].color2._r, eges[iMax].color2._g, eges[iMax].color2._b);
//printf("sho:%d (%d,%d) (%d,%d) (%d,%d,%d) (%d,%d,%d)\n", iShort1,eges[iShort1].x1, eges[iShort1].y1, eges[iShort1].x2, eges[iShort1].y2, eges[iShort1].color1._r, eges[iShort1].color1._g, eges[iShort1].color1._b, eges[iShort1].color2._r, eges[iShort1].color2._g, eges[iShort1].color2._b);
drawEge(eges[iMax], eges[iShort1], image);
drawEge(eges[iMax], eges[iShort2], image);
}
void Raster::drawTriangle(const Vertex& vertex, Image* image) {
//优化1 不画3个点都不在坐标内的三角形
if (!isIn(vertex.p0) && !isIn(vertex.p1) && !isIn(vertex.p2)) {
return;
} }
void Raster::loadIdentity() {
_matModel = CELL::matrix4(1);
Ege eges[3] = {
Ege(vertex.p0.x, vertex.p0.y, vertex.p1.x, vertex.p1.y, vertex.c0, vertex.c1, vertex.uv0, vertex.uv1),
Ege(vertex.p1.x, vertex.p1.y, vertex.p2.x, vertex.p2.y, vertex.c1, vertex.c2, vertex.uv1, vertex.uv2),
Ege(vertex.p2.x, vertex.p2.y, vertex.p0.x, vertex.p0.y, vertex.c2, vertex.c0, vertex.uv2, vertex.uv0),
};
int iMax = 0;
int length = eges[0].y2 - eges[0].y1;
int curLength = 0;
for (int i = 1; i < 3; i++) {
curLength = eges[i].y2 - eges[i].y1;
if (curLength > length) {
length = curLength;
iMax = i;
}
} }
void Raster::loadProjMatrix(const CELL::matrix4& mat) {
_matProj = mat;
int iShort1 = (iMax + 1) % 3;
int iShort2 = (iMax + 2) % 3;
drawEge(eges[iMax], eges[iShort1], image);
drawEge(eges[iMax], eges[iShort2], image);
}
void Raster::drawArrays(DRAWMODE pri, int start, int count) {
if (_positionPointer.data == 0) {
return;
} }
void Raster::loadProjIdentity(const CELL::matrix4& mat) {
_matProj = CELL::matrix4(1);
DataElementDes colorPointerdesc = _colorPointer;
DataElementDes uvPointerdesc = _uvPointer;
if (colorPointerdesc.data == 0) {
colorPointerdesc = _defaultColorPointer;
} }
void Raster::loadViewMatrix(const CELL::matrix4& mat) {
_matView = mat;
if (uvPointerdesc.data == 0) {
uvPointerdesc = _defaultUvPointer;
} }
void Raster::loadViewIdentity(const CELL::matrix4& mat) {
_matView = CELL::matrix4(1);
char* posData = (char*) _positionPointer.data;
char* cData = (char*) colorPointerdesc.data;
char* uvData = (char*) uvPointerdesc.data;
_matProjView = _matProj * _matView;
matrix4 matPVT = _matProjView.transpose();
_frust.loadFrustum(matPVT);
for (int i = start; i < start + count; i += 3) {
float* pp = (float*) posData;
float3 mp0(pp[0], pp[1], pp[2]);
posData += _positionPointer.stride;
pp = (float*) posData;
float3 mp1(pp[0], pp[1], pp[2]);
posData += _positionPointer.stride;
pp = (float*) posData;
float3 mp2(pp[0], pp[1], pp[2]);
mp0 = mp0 * _matModel;
mp1 = mp1 * _matModel;
mp2 = mp2 * _matModel;
if (_frust.pointInFrustum(mp0) || _frust.pointInFrustum(mp1) || _frust.pointInFrustum(mp2)) {
mp0 = piplineTransform(mp0);
mp1 = piplineTransform(mp1);
mp2 = piplineTransform2(mp2);
int2 p0(mp0.x, mp0.y);
int2 p1(mp1.x, mp1.y);
int2 p2(mp2.x, mp2.y);
posData += _positionPointer.stride;
Rgba* pc = (Rgba*) cData;
Rgba c0(*pc);
cData += _colorPointer.stride;
pc = (Rgba*) cData;
Rgba c1(*pc);
cData += _colorPointer.stride;
pc = (Rgba*) cData;
Rgba c2(*pc);
cData += _colorPointer.stride;
float* puv = (float*) uvData;
float2 uv0(puv[0], puv[1]);
uvData += _uvPointer.stride;
puv = (float*) uvData;
float2 uv1(puv[0], puv[1]);
uvData += _uvPointer.stride;
puv = (float*) uvData;
float2 uv2(puv[0], puv[1]);
uvData += _uvPointer.stride;
Ege eges[3] = {
Ege(p0.x, p0.y, p1.x, p1.y, c0, c1, uv0, uv1),
Ege(p1.x, p1.y, p2.x, p2.y, c1, c2, uv1, uv2),
Ege(p2.x, p2.y, p0.x, p0.y, c2, c0, uv2, uv0),
};
drawTriangle(eges, _texture);
if (_colorPointer.data == 0) {
cData = (char*) colorPointerdesc.data;
}
if (_uvPointer.data == 0) {
uvData = (char*) uvPointerdesc.data;
}
}
} }
void Raster::setPerspective(float fovy, float aspect, float zNear, float zFar) {
_matProj = CELL::perspective<float>(fovy, aspect, zNear, zFar);
}
float3 Raster::piplineTransform2(float3 pos) {
float4 world(pos.x, pos.y, pos.z, 1);
float4 screen = _matProjView * world;
if (screen.w == 0.0f) {
return false;
} }
void Raster::lookat(float3 const & eye, float3 const & center, float3 const & up) {
_matView = CELL::lookAt(eye, center, up);
//printf("1 %f %f %f\n",screen.x, screen.y, screen.z);
screen.x /= screen.w;
screen.y /= screen.w;
screen.z /= screen.w;
// map to range 0 - 1
screen.x = screen.x * 0.5f + 0.5f;
screen.y = screen.y * 0.5f + 0.5f;
screen.z = screen.z * 0.5f + 0.5f;
// map to viewport
screen.x = screen.x * _viewPort.x;
screen.y = screen.y * _viewPort.y;
//screen.y = _viewPort.y - (screen.y * _viewPort.y);
return float3(screen.x, screen.y, screen.z);
}
float3 Raster::piplineTransform(float3 pos) {
float4 world(pos.x, pos.y, pos.z, 1);
float4 screen = _matProjView * world;
if (screen.w == 0.0f) {
return false;
} }
screen.x /= screen.w;
screen.y /= screen.w;
screen.z /= screen.w;
// map to range 0 - 1
screen.x = screen.x * 0.5f + 0.5f;
screen.y = screen.y * 0.5f + 0.5f;
screen.z = screen.z * 0.5f + 0.5f;
// map to viewport
screen.x = screen.x * _viewPort.x;
screen.y = screen.y * _viewPort.y;
//screen.y = _viewPort.y - (screen.y * _viewPort.y);
return float3(screen.x, screen.y, screen.z);
}
void Raster::loadProjMatrix(const matrix4& mat) {
_matProj = mat;
}
void Raster::loadProjIdentity() {
_matProj = matrix4(1);
}
void Raster::loadViewMatrix(const matrix4& mat) {
_matView = mat;
}
void Raster::loadViewIdentity() {
_matView = matrix4(1);
}
void Raster::loadMatrix(const matrix4& mat) {
_matModel = mat;
}
void Raster::loadIdentity() {
_matModel = matrix4(1);
}
void Raster::setPerspective(float fovy, float aspect, float zNear, float zFar) {
_matProj = perspective<float>(fovy, aspect, zNear, zFar);
}
void Raster::setViewPort(int x, int y, int w, int h) {
_viewPort.x = w;
_viewPort.y = h;
void Raster::lookat(float3 const & eye, float3 const & center, float3 const & up) {
_matView = lookAt(eye, center, up);
}
void Raster::setViewPort(int x, int y, int w, int h) {
_viewPort.x = w;
_viewPort.y = h;
}
void Raster::bindTexture(Image* image) {
_texture = image;
}
int Raster::size() {
return _width * _height * sizeof (Rgba);
}
void Raster::clean() {
memset(buffer, 0, size());
}
bool Raster::setPixel(int x, int y, Rgba color) {
if (x < 0 || y < 0 || x >= _width || y >= _height) {
return false;
} }
//行列是反的
buffer[ ((_height - 1) - y) * _width + x] = color;
}
Rgba Raster::getPixel(int x, int y) {
return buffer[ ((_height - 1) - y) * _width + x];
}
bool Raster::isIn(int2 point) {
if (point.x >= 0 && point.x <= _width && point.y >= 0 && point.y < _height) {
return true;
}
return false;
} }

522
src/6threed/Raster.h
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@ -1,361 +1,185 @@
#pragma once
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: Rester.h
* Author: blobt
*
* Created on January 23, 2020, 6:00 PM
*/
#ifndef RESTER_H
#define RESTER_H
#include "common.h" #include "common.h"
#include "Image.h" #include "Image.h"
namespace CELL
{
enum DRAWMODE
{
DM_POINTS = 0,
DM_LINES = 1,
DM_LINE_LOOP = 2,
DM_LINE_STRIP = 3,
DM_TRIANGES = 4,
};
enum DATETYPE
{
DT_BYTE,
DT_FLOAT,
DT_DOUBLE,
};
struct DateElementDes
{
int _size;
DATETYPE _type;
int _stride;
const void* _data;
};
class Span
{
public:
int _xStart;
int _xEnd;
Rgba _colorStart;
Rgba _colorEnd;
float2 _uvStart;
float2 _uvEnd;
int _y;
public:
Span(int xStart,int xEnd,int y,Rgba colorStart,Rgba colorEnd,float2 uvStart,float2 uvEnd)
{
if (xStart < xEnd)
{
_xStart = xStart;
_xEnd = xEnd;
_colorStart = colorStart;
_colorEnd = colorEnd;
_uvStart = uvStart;
_uvEnd = uvEnd;
_y = y;
}
else
{
_xStart = xEnd;
_xEnd = xStart;
_colorStart = colorEnd;
_colorEnd = colorStart;
_uvStart = uvEnd;
_uvEnd = uvStart;
_y = y;
}
using namespace CELL;
enum DRAWMODE {
DM_POINTS = 0,
DM_LINES = 1,
DM_LINES_LOOP = 2,
DM_LINES_TRIP = 3,
DM_TRIANGES = 4
};
enum DATETYPE {
DT_BYTE,
DT_FLOAT,
DT_DOUBLE
};
struct DataElementDes {
int size;
DATETYPE type;
int stride;
const void* data;
};
class Span {
public:
int xStart;
int xEnd;
int y;
float2 uvStart;
float2 uvEnd;
Rgba color1;
Rgba color2;
Span(int xStart, int xEnd, int y, Rgba color1, Rgba color2, float2 uvStart, float2 uvEnd) {
if (xStart < xEnd) {
this->xStart = xStart;
this->xEnd = xEnd;
this->uvStart = uvStart;
this->uvEnd = uvEnd;
this->color1 = color1;
this->color2 = color2;
} else {
this->xStart = xEnd;
this->xEnd = xStart;
this->uvStart = uvEnd;
this->uvEnd = uvStart;
this->color1 = color2;
this->color2 = color1;
} }
};
class Ege
{
public:
int _x1;
int _y1;
float2 _uv1;
Rgba _color1;
int _x2;
int _y2;
float2 _uv2;
Rgba _color2;
Ege(int x1,int y1,Rgba color1,float2 uv1,int x2,int y2,Rgba color2,float2 uv2)
{
if (y1 < y2)
{
_x1 = x1;
_y1 = y1;
_uv1 = uv1;
_color1 = color1;
_x2 = x2;
_y2 = y2;
_uv2 = uv2;
_color2 = color2;
}
else
{
_x1 = x2;
_y1 = y2;
_uv1 = uv2;
_color1 = color2;
_x2 = x1;
_y2 = y1;
_uv2 = uv1;
_color2 = color1;
}
this->y = y;
}
};
class Ege {
public:
int x1;
int y1;
float2 uv1;
Rgba color1;
int x2;
int y2;
float2 uv2;
Rgba color2;
Ege(int x1, int y1, int x2, int y2, Rgba color1, Rgba color2, float2 uv1, float2 uv2) {
if (y1 < y2) {
this->x1 = x1;
this->y1 = y1;
this->x2 = x2;
this->y2 = y2;
this->uv1 = uv1;
this->uv2 = uv2;
this->color1 = color1;
this->color2 = color2;
} else {
this->x1 = x2;
this->y1 = y2;
this->x2 = x1;
this->y2 = y1;
this->uv1 = uv2;
this->uv2 = uv1;
this->color1 = color2;
this->color2 = color1;
} }
};
class Raster
{
public:
uint* _buffer;
int _width;
int _height;
Rgba _color;
Image* _texture;
matrix4 _matModel;
matrix4 _matView;
matrix4 _matProj;
matrix4 _matProjView;
float2 _viewPort;
Frustum _frust;
DateElementDes _poitionPointer;
DateElementDes _colorPointer;
DateElementDes _uvPointer;
DateElementDes _defaultColorPointer;
DateElementDes _defaultUVPointer;
Rgba _defaultColorArray[3];
float2 _detaultUVArray[3];
public:
Raster(int w,int h,void* buffer);
~Raster(void);
void clear();
struct Vertex
{
int2 p0;
float2 uv0;
Rgba c0;
int2 p1;
float2 uv1;
Rgba c1;
int2 p2;
float2 uv2;
Rgba c2;
};
void drawImage(int startX,int startY,const Image* image);
public:
void loadViewMatrix(const CELL::matrix4& mat);
void loadViewIdentity(const CELL::matrix4& mat);
void loadProjMatrix(const CELL::matrix4& mat);
void loadProjIdentity(const CELL::matrix4& mat);
/**
* ����ͶӰ����
*/
void setPerspective(float fovy, float aspect, float zNear, float zFar);
/**
* ���ɹ۲����
*/
void lookat(float3 const & eye,float3 const & center,float3 const & up);
void setViewPort(int x,int y,int w,int h);
/**
* ģ�;����������
*/
void loadMatrix(const CELL::matrix4& mat);
void loadIdentity();
void vertexPointer(int size,DATETYPE type,int stride,const void* data);
}
};
void colorPointer(int size,DATETYPE type,int stride,const void* data);
class Raster {
public:
void textureCoordPointer(int size,DATETYPE type,int stride,const void* data);
struct Vertex {
int2 p0;
float2 uv0;
Rgba c0;
void bindTexture(Image* image);
int2 p1;
float2 uv1;
Rgba c1;
void drawArrays(DRAWMODE pri,int start,int count);
protected:
float3 piplineTransform(float3 pos)
{
float4 world(pos.x,pos.y,pos.z,1);
float4 screen = _matProjView * world;
if (screen.w == 0.0f)
{
return false;
}
screen.x /= screen.w;
screen.y /= screen.w;
screen.z /= screen.w;
// map to range 0 - 1
screen.x = screen.x * 0.5f + 0.5f;
screen.y = screen.y * 0.5f + 0.5f;
screen.z = screen.z * 0.5f + 0.5f;
// map to viewport
screen.x = screen.x * _viewPort.x;
screen.y = _height - screen.y * _viewPort.y;
return float3(screen.x,screen.y,screen.z);
}
void drawTrianle(Ege eges[3])
{
int iMax = 0;
int length = eges[0]._y2 - eges[0]._y1;
for (int i = 1 ;i < 3 ; ++ i)
{
int len = eges[i]._y2 - eges[i]._y1;
if (len > length)
{
length = len;
iMax = i;
}
}
int iShort1 = (iMax + 1)%3;
int iShort2 = (iMax + 2)%3;
drawEge(eges[iMax],eges[iShort1],_texture);
drawEge(eges[iMax],eges[iShort2],_texture);
}
void drawTriangle(const Vertex& vertex,Image* image)
{
Ege eges[3] =
{
Ege(vertex.p0.x,vertex.p0.y,vertex.c0, vertex.uv0, vertex.p1.x,vertex.p1.y,vertex.c1, vertex.uv1),
Ege(vertex.p1.x,vertex.p1.y,vertex.c1, vertex.uv1, vertex.p2.x,vertex.p2.y,vertex.c2, vertex.uv2),
Ege(vertex.p2.x,vertex.p2.y,vertex.c2, vertex.uv2, vertex.p0.x,vertex.p0.y,vertex.c0, vertex.uv0),
};
int iMax = 0;
int length = eges[0]._y2 - eges[0]._y1;
for (int i = 1 ;i < 3 ; ++ i)
{
int len = eges[i]._y2 - eges[i]._y1;
if (len > length)
{
length = len;
iMax = i;
}
}
int iShort1 = (iMax + 1)%3;
int iShort2 = (iMax + 2)%3;
drawEge(eges[iMax],eges[iShort1],image);
drawEge(eges[iMax],eges[iShort2],image);
}
void drawEge(const Ege& e1,const Ege& e2,Image* image)
{
float yOffset1 = e1._y2 - e1._y1;
if (yOffset1 == 0)
{
return;
}
float yOffset = e2._y2 - e2._y1;
if (yOffset == 0)
{
return;
}
float xOffset = e2._x2 - e2._x1;
float scale = 0;
float step = 1.0f/yOffset;
float xOffset1 = e1._x2 - e1._x1;
float scale1 = (float)(e2._y1 - e1._y1)/yOffset1;
float step1 = 1.0f/yOffset1;
for (int y = e2._y1 ; y < e2._y2 ; ++ y)
{
int x1 = e1._x1 + (int)(scale1 * xOffset1);
int x2 = e2._x1 + (int)(scale * xOffset);
Rgba color2 = colorLerp(e2._color1,e2._color2,scale);
Rgba color1 = colorLerp(e1._color1,e1._color2,scale1);
float2 uvStart = uvLerp(e1._uv1,e1._uv2,scale1);
float2 uvEnd = uvLerp(e2._uv1,e2._uv2,scale);
Span span(x1,x2,y,color1,color2,uvStart,uvEnd);
drawSpan(span,image);
scale += step;
scale1 += step1;
}
}
void drawSpan(const Span& span,Image* image)
{
float length = span._xEnd - span._xStart;
float scale = 0;
float step = 1.0f/length;
for (int x = span._xStart ; x < span._xEnd; ++ x)
{
Rgba color = colorLerp(span._colorStart,span._colorEnd,scale);
float2 uv = uvLerp(span._uvStart,span._uvEnd,scale);
Rgba pixel = image->pixelUv(uv.x,uv.y);
//Rgba dst = color + pixel;
scale += step;
setPixel(x,span._y,color);
}
}
void drawLine(float2 pt1,float2 pt2,Rgba color1,Rgba color2);
void drawPoints(float2 pt1,Rgba4Byte color)
{
}
inline void setPixelEx(unsigned x,unsigned y,Rgba color)
{
_buffer[y * _width + x] = color._color;
}
inline Rgba getPixel(unsigned x,unsigned y)
{
return Rgba(_buffer[y * _width + x]);
}
inline void setPixel(unsigned x,unsigned y,Rgba color)
{
if (x >= _width || y >= _height)
{
return;
}
_buffer[y * _width + x] = color._color;
}
int2 p2;
float2 uv2;
Rgba c2;
}; };
}
public:
Rgba* buffer;
Raster(int width, int height);
virtual ~Raster();
void vertexPointer(int size, DATETYPE type, int stride, const void* data);
void colorPointer(int size, DATETYPE type, int stride, const void* data);
void textureCoordPointer(int size, DATETYPE type, int stride, const void* data);
void drawLine(float2 p1, float2 p2, Rgba color);
void drawPoint(int x, int y, Rgba color = Rgba(255, 0, 0, 0), int pointSize = 1);
void drawSpan(const Span &span, Image* image);
void drawEge(const Ege& e1, const Ege& e2, Image* image);
void drawTriangle(const Vertex& vertex, Image* image);
void drawTriangle(Ege eges[3], Image* image);
void drawArrays(DRAWMODE pri, int start, int count);
float3 piplineTransform(float3 pos);
float3 piplineTransform2(float3 pos);
void bindTexture(Image* image);
void loadViewMatrix(const matrix4 &mat);
void loadViewIdentity();
void loadProjMatrix(const matrix4 &mat);
void loadProjIdentity();
void loadMatrix(const matrix4& mat);
void loadIdentity();
void setPerspective(float fovy, float aspect, float zNear, float zFar);
void lookat(float3 const & eye, float3 const & center, float3 const & up);
void setViewPort(int x, int y, int w, int h);
int size();
void clean();
bool setPixel(int x, int y, Rgba color);
Rgba getPixel(int x, int y);
bool isIn(int2 point);
private:
int _width;
int _height;
Rgba _color;
Image* _texture;
matrix4 _matModel;
matrix4 _matView;
matrix4 _matProj;
matrix4 _matProjView; // _matProj * _matView
float2 _viewPort;
Frustum _frust; //台体
DataElementDes _positionPointer;
DataElementDes _colorPointer;
DataElementDes _uvPointer;
//默认值
DataElementDes _defaultColorPointer;
DataElementDes _defaultUvPointer;
Rgba _defaultColorArray[3];
float2 _defaultUvArray[3];
};
#endif /* RESTER_H */

159
src/6threed/struct/common.h
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@ -1,159 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: common.h
* Author: Blobt
*
* Created on October 5, 2019, 4:55 PM
*/
#ifndef COMMON_H
#define COMMON_H
#include <assert.h>
#include <cstddef>
#include <stdlib.h>
#include <cmath>
#include "Rgba.h"
#include "struct/tvec2.h"
#include "struct/tvec3.h"
#include "struct/tmat3x3.h"
#include "struct/tvec4.h"
#include "struct/tmat4x4.h"
#include "struct/tfrustum.h"
#define die(m) do { perror(m); exit(EXIT_FAILURE); } while(0)
#define def2rad(theta) (0.01745329251994329 * (theta)) //每个角度所对应的弧度
typedef tvec2<float> float2;
typedef tvec2<int> int2;
typedef tvec3<float> float3;
typedef tvec4<float> float4;
typedef unsigned char byte;
typedef tmat3x3<float> matrix3;
typedef tmat4x4<float> matrix4;
typedef tfrustum<float> Frustum;
template<class T> inline T tmin(T a, T b) {
return a < b ? a : b;
}
template<class T> inline T tmax(T a, T b) {
return a > b ? a : b;
}
inline Rgba colorLerp(const Rgba& color1, const Rgba& color2, float step) {
Rgba ret;
ret._r = (unsigned char) color1._r + step * (color2._r - color1._r);
ret._g = (unsigned char) color1._g + step * (color2._g - color1._g);
ret._b = (unsigned char) color1._b + step * (color2._b - color1._b);
ret._a = (unsigned char) color1._a + step * (color2._a - color1._a);
return ret;
}
inline float2 uvLerp(const float2& uv1, const float2& uv2, float step) {
if (step < 0 || step > 1) {
printf("step : %f\n", step);
die("step must more than zero and less than 1");
}
float2 ret;
ret.x = (float) uv1.x + (uv2.x - uv1.x) * step;
ret.y = (float) uv1.y + (uv2.y - uv1.y) * step;
return ret;
}
template <typename T>
tvec3<T> cross(tvec3<T> const & x, tvec3<T> const & y) {
return tvec3<T>
(
x.y * y.z - y.y * x.z,
x.z * y.x - y.z * x.x,
x.x * y.y - y.x * x.y
);
}
template <typename T>
typename tvec3<T>::value_type dot(tvec3<T> const & x, tvec3<T> const & y) {
return x.x * y.x + x.y * y.y + x.z * y.z;
}
template <typename T>
T inversesqrt(T x) {
return T(1) / sqrt(x);
}
template <typename T>
tvec2<T> normalize(tvec2<T> const & x) {
typename tvec2<T>::value_type sqr = x.x * x.x + x.y * x.y;
return x * inversesqrt(sqr);
}
template <typename T>
tvec3<T> normalize(tvec3<T> const & x) {
typename tvec3<T>::value_type sqr = x.x * x.x + x.y * x.y + x.z * x.z;
return x * inversesqrt(sqr);
}
template <typename T>
tvec4<T> normalize(tvec4<T> const & x) {
typename tvec4<T>::value_type sqr = x.x * x.x + x.y * x.y + x.z * x.z + x.w * x.w;
return x * inversesqrt(sqr);
}
template <typename valType>
tmat4x4<valType> perspective(valType fovy, valType aspect, valType zNear, valType zFar) {
valType range = tan(fovy * valType(DEG2RAD(0.5))) * zNear;
valType left = -range * aspect;
valType right = range * aspect;
valType bottom = -range;
valType top = range;
tmat4x4<valType> res(valType(0));
res[0][0] = (valType(2) * zNear) / (right - left);
res[1][1] = (valType(2) * zNear) / (top - bottom);
res[2][2] = -(zFar + zNear) / (zFar - zNear);
res[2][3] = -valType(1);
res[3][2] = -(valType(2) * zFar * zNear) / (zFar - zNear);
return res;
}
template <typename T>
tmat4x4<T> lookAt
(
tvec3<T> const & eye,
tvec3<T> const & center,
tvec3<T> const & up
) {
tvec3<T> f = normalize(center - eye);
tvec3<T> u = normalize(up);
tvec3<T> s = normalize(cross(f, u));
u = cross(s, f);
tmat4x4<T> res(1);
res[0][0] = s.x;
res[1][0] = s.y;
res[2][0] = s.z;
res[0][1] = u.x;
res[1][1] = u.y;
res[2][1] = u.z;
res[0][2] = -f.x;
res[1][2] = -f.y;
res[2][2] = -f.z;
res[3][0] = -dot(s, eye);
res[3][1] = -dot(u, eye);
res[3][2] = dot(f, eye);
return res;
}
#endif /* COMMON_H */

175
src/6threed/struct/plane.h
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@ -1,175 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: plane.h
* Author: Blobt
*
* Created on February 23, 2020, 11:33 AM
*/
#ifndef PLANE_H
#define PLANE_H
#include "../common.h"
template<class T>
class Plane {
public:
tvec3<T> _normal;
T _distance;
public:
Plane() {
_normal = tvec3<T>(0, 0, 0);
_distance = 0.0f;
}
Plane(const Plane& right) {
_normal = right._normal;
_distance = right._distance;
}
/** Construct a plane through a normal, and a distance to move the plane along the normal.*/
Plane(const tvec3<T>& rkNormal, T fConstant) {
_normal = rkNormal;
_distance = -fConstant;
}
/** Construct a plane using the 4 constants directly **/
Plane(T x, T y, T z, T o) {
_normal = tvec3<T>(x, y, z);
T invLen = 1.0f / (_normal).length();
_normal *= invLen;
_distance = o * invLen;
}
Plane(const tvec3<T>& rkNormal, const tvec3<T>& rkPoint) {
redefine(rkNormal, rkPoint);
}
Plane(const tvec3<T>& rkPoint0, const tvec3<T>& rkPoint1, const tvec3<T>& rkPoint2) {
redefine(rkPoint0, rkPoint1, rkPoint2);
}
/**
* ����ľ���
*/
float distance(const tvec3<T> &pos) const {
return dot(_normal, pos) + _distance;
}
/** The "positive side" of the plane is the half space to which the
plane normal points. The "negative side" is the other half
space. The flag "no side" indicates the plane itself.
*/
enum Side {
NO_SIDE,
POSITIVE_SIDE,
NEGATIVE_SIDE,
BOTH_SIDE
};
Side getSide(const tvec3<T>& rkPoint) const {
float fDistance = getDistance(rkPoint);
if (fDistance < 0.0)
return Plane::NEGATIVE_SIDE;
if (fDistance > 0.0)
return Plane::POSITIVE_SIDE;
return Plane::NO_SIDE;
}
Side getSide(const tvec3<T>& centre, const tvec3<T>& halfSize) const {
// Calculate the distance between box centre and the plane
float dist = getDistance(centre);
// Calculate the maximise allows absolute distance for
// the distance between box centre and plane
float maxAbsDist = _normal.absDot(halfSize);
if (dist < -maxAbsDist)
return Plane::NEGATIVE_SIDE;
if (dist > +maxAbsDist)
return Plane::POSITIVE_SIDE;
return Plane::BOTH_SIDE;
}
float getDistance(const tvec3<T>& rkPoint) const {
return _normal.dot(rkPoint) + _distance;
}
void redefine(const tvec3<T>& rkPoint0, const tvec3<T>& rkPoint1,
const tvec3<T>& rkPoint2) {
tvec3<T> kEdge1 = rkPoint1 - rkPoint0;
tvec3<T> kEdge2 = rkPoint2 - rkPoint0;
_normal = cross(kEdge1, kEdge2);
_normal.normalise();
_distance = -dot(_normal, rkPoint0);
}
/** Redefine this plane based on a normal and a point. */
void redefine(const tvec3<T>& rkNormal, const tvec3<T>& rkPoint) {
_normal = rkNormal;
_distance = -dot(rkNormal, rkPoint);
}
// tvec3<T> projectVector(const tvec3<T>& p) const
// {
// matrix3 xform;
// xform[0][0] = 1.0f - _normal.x * _normal.x;
// xform[0][1] = -_normal.x * _normal.y;
// xform[0][2] = -_normal.x * _normal.z;
// xform[1][0] = -_normal.y * _normal.x;
// xform[1][1] = 1.0f - _normal.y * _normal.y;
// xform[1][2] = -_normal.y * _normal.z;
// xform[2][0] = -_normal.z * _normal.x;
// xform[2][1] = -_normal.z * _normal.y;
// xform[2][2] = 1.0f - _normal.z * _normal.z;
// return xform * p;
// }
/** Normalises the plane.
@remarks
This method normalises the plane's normal and the length scale of d
is as well.
@note
This function will not crash for zero-sized vectors, but there
will be no changes made to their components.
@returns The previous length of the plane's normal.
*/
float normalise(void) {
float fLength = _normal.length();
// Will also work for zero-sized vectors, but will change nothing
if (fLength > 1e-08f) {
float fInvLength = 1.0f / fLength;
_normal *= fInvLength;
_distance *= fInvLength;
}
return fLength;
}
/// Comparison operator
bool operator==(const Plane& right) const {
return (right._distance == _distance && right._normal == _normal);
}
bool operator!=(const Plane& right) const {
return (right._distance != _distance && right._normal != _normal);
}
};
#endif /* PLANE_H */

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src/6threed/struct/tfrustum.h
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: tfrustum.h
* Author: Blobt
*
* Created on February 23, 2020, 11:22 AM
*/
#ifndef TFRUSTUM_H
#define TFRUSTUM_H
#include "../common.h"
#include "plane.h"
template<class T>
class tfrustum {
public:
enum {
FRUSTUM_LEFT = 0,
FRUSTUM_RIGHT = 1,
FRUSTUM_TOP = 2,
FRUSTUM_BOTTOM = 3,
FRUSTUM_FAR = 4,
FRUSTUM_NEAR = 5,
};
public:
/**
* project * view
*/
void loadFrustum(const tmat4x4<T> &mvp) {
const T* dataPtr = mvp.data();
_planes[FRUSTUM_LEFT ] = Plane<T>(dataPtr[12] - dataPtr[0], dataPtr[13] - dataPtr[1], dataPtr[14] - dataPtr[2], dataPtr[15] - dataPtr[3]);
_planes[FRUSTUM_RIGHT ] = Plane<T>(dataPtr[12] + dataPtr[0], dataPtr[13] + dataPtr[1], dataPtr[14] + dataPtr[2], dataPtr[15] + dataPtr[3]);
_planes[FRUSTUM_TOP ] = Plane<T>(dataPtr[12] - dataPtr[4], dataPtr[13] - dataPtr[5], dataPtr[14] - dataPtr[6], dataPtr[15] - dataPtr[7]);
_planes[FRUSTUM_BOTTOM] = Plane<T>(dataPtr[12] + dataPtr[4], dataPtr[13] + dataPtr[5], dataPtr[14] + dataPtr[6], dataPtr[15] + dataPtr[7]);
_planes[FRUSTUM_FAR ] = Plane<T>(dataPtr[12] - dataPtr[8], dataPtr[13] - dataPtr[9], dataPtr[14] - dataPtr[10], dataPtr[15] - dataPtr[11]);
_planes[FRUSTUM_NEAR ] = Plane<T>(dataPtr[12] + dataPtr[8], dataPtr[13] + dataPtr[9], dataPtr[14] + dataPtr[10], dataPtr[15] + dataPtr[11]);
}
bool pointInFrustum(const tvec3<T> &pos) const {
for (int i = 0; i < 6; i++) {
if (_planes[i].distance(pos) <= 0)
return false;
}
return true;
}
bool sphereInFrustum(const tvec3<T> &pos, const float radius) const {
for (int i = 0; i < 6; i++) {
if (_planes[i].distance(pos) <= -radius)
return false;
}
return true;
}
bool cubeInFrustum(T minX, T maxX, T minY, T maxY, T minZ, T maxZ) const {
for (int i = 0; i < 6; i++) {
if (_planes[i].distance(tvec3<T>(minX, minY, minZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(minX, minY, maxZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(minX, maxY, minZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(minX, maxY, maxZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(maxX, minY, minZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(maxX, minY, maxZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(maxX, maxY, minZ)) > 0) continue;
if (_planes[i].distance(tvec3<T>(maxX, maxY, maxZ)) > 0) continue;
return false;
}
return true;
}
const Plane<T> &getPlane(const int plane) const {
return _planes[plane];
}
protected:
Plane<T> _planes[6];
};
#endif /* TFRUSTUM_H */

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src/6threed/struct/tmat3x3.h
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: tmat3x3.h
* Author: Blobt
*
* Created on February 19, 2020, 2:45 PM
*/
#ifndef TMAT3X3_H
#define TMAT3X3_H
#include "../common.h"
#define def2rad(theta) (0.01745329251994329 * (theta))
template <typename T>
struct tmat3x3 {
typedef T value_type;
typedef std::size_t size_type;
typedef tvec3<T> col_type;
typedef tvec3<T> row_type;
typedef tmat3x3<T> type;
typedef tmat3x3<T> transpose_type;
private:
col_type value[3];
public:
size_type length() const {
return 3;
}
size_type col_size() {
return 3;
}
size_type row_size() {
return 3;
}
tmat3x3() {
value_type const zero(0);
value_type const one(1);
value[0] = col_type(one, zero, zero);
value[1] = col_type(zero, one, zero);
value[2] = col_type(zero, zero, one);
}
tmat3x3(tmat3x3<T> const &m) {
value[0] = m.value[0];
value[1] = m.value[1];
value[2] = m.value[2];
}
tmat3x3(value_type const &s) {
value_type const zero(0);
value[0] = col_type(s, zero, zero);
value[1] = col_type(zero, s, zero);
value[2] = col_type(zero, zero, s);
}
tmat3x3(
value_type const &x0, value_type const &y0, value_type const &z0,
value_type const &x1, value_type const &y1, value_type const &z1,
value_type const &x2, value_type const &y2, value_type const &z2
) {
value[0] = col_type(x0, y0, z0);
value[1] = col_type(x1, y1, z1);
value[2] = col_type(x2, y2, z2);
}
tmat3x3(col_type const &v0, col_type const &v1, col_type const &v2) {
value[0] = v0;
value[1] = v1;
value[2] = v2;
}
col_type& operator[](size_type i) {
assert(i < this->length());
return value[i];
}
col_type const & operator[](size_type i) const {
assert(i < this->length());
return this->value[i];
}
type &operator=(type & s) {
value[0] = s[0];
value[1] = s[1];
value[2] = s[2];
return *this;
}
type const &operator=(type const & s) {
value[0] = s[0];
value[1] = s[1];
value[2] = s[2];
return *this;
}
tvec3<T> operator*(const tvec3<T> &s) const {
tvec3<T> ret(
value[0][0] * s[0] + value[1][0] * s[1] + value[2][0] * s[2],
value[0][1] * s[0] + value[1][1] * s[1] + value[2][1] * s[2],
value[0][2] * s[0] + value[1][2] * s[1] + value[2][2] * s[2]
);
return ret;
}
type operator*(const type &s) {
T const srcA00 = value[0][0];
T const srcA01 = value[0][1];
T const srcA02 = value[0][2];
T const srcA10 = value[1][0];
T const srcA11 = value[1][1];
T const srcA12 = value[1][2];
T const srcA20 = value[2][0];
T const srcA21 = value[2][1];
T const srcA22 = value[2][2];
T const srcB00 = s[0][0];
T const srcB01 = s[0][1];
T const srcB02 = s[0][2];
T const srcB10 = s[1][0];
T const srcB11 = s[1][1];
T const srcB12 = s[1][2];
T const srcB20 = s[2][0];
T const srcB21 = s[2][1];
T const srcB22 = s[2][2];
tmat3x3<T> res;
res[0][0] = srcA00 * srcB00 + srcA10 * srcB01 + srcA20 * srcB02;
res[0][1] = srcA01 * srcB00 + srcA11 * srcB01 + srcA21 * srcB02;
res[0][2] = srcA02 * srcB00 + srcA12 * srcB01 + srcA22 * srcB02;
res[1][0] = srcA00 * srcB10 + srcA10 * srcB11 + srcA20 * srcB12;
res[1][1] = srcA01 * srcB10 + srcA11 * srcB11 + srcA21 * srcB12;
res[1][2] = srcA02 * srcB10 + srcA12 * srcB11 + srcA22 * srcB12;
res[2][0] = srcA00 * srcB20 + srcA10 * srcB21 + srcA20 * srcB22;
res[2][1] = srcA01 * srcB20 + srcA11 * srcB21 + srcA21 * srcB22;
res[2][2] = srcA02 * srcB20 + srcA12 * srcB21 + srcA22 * srcB22;
return res;
}
void translate(T x, T y) {
value[0] = col_type(value_type(1), value_type(0), value_type(0));
value[1] = col_type(value_type(0), value_type(1), value_type(0));
value[2] = col_type(value_type(x), value_type(y), value_type(1));
}
void scale(T x, T y) {
value[0] = col_type(value_type(x), value_type(0), value_type(0));
value[1] = col_type(value_type(0), value_type(y), value_type(0));
value[2] = col_type(value_type(0), value_type(0), value_type(1));
}
void rotate(T angle) {
T rad = def2rad(angle);
T c = cos(rad);
T s = sin(rad);
value[0] = col_type(value_type(c), value_type(-s), value_type(0));
value[1] = col_type(value_type(s), value_type(c), value_type(0));
value[2] = col_type(value_type(0), value_type(0), value_type(1));
}
};
#endif /* TMAT3X3_H */

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src/6threed/struct/tmat4x4.h
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/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: tmat4x4.h
* Author: Blobt
*
* Created on February 22, 2020, 10:11 AM
*/
#ifndef TMAT4X4_H
#define TMAT4X4_H
#include "../common.h"
#define DEG2RAD(theta) (0.01745329251994329 * (theta))
template <typename T>
struct tmat4x4 {
typedef T value_type;
typedef std::size_t size_type;
typedef tvec4<T> col_type;
typedef tvec4<T> row_type;
typedef tmat4x4<T> type;
typedef tmat4x4<T> transpose_type;
public:
size_type length() const {
return 4;
}
size_type col_size() {
return 4;
}
size_type row_size() {
return 4;
}
void identify() {
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(0, 0, 0, 1);
}
col_type & operator[](size_type i) {
assert(i < this->length());
return this->value[i];
}
col_type const & operator[](size_type i) const {
assert(i < this->length());
return this->value[i];
}
tmat4x4() {
}
tmat4x4(tmat4x4<T> const & m) {
this->value[0] = m.value[0];
this->value[1] = m.value[1];
this->value[2] = m.value[2];
this->value[3] = m.value[3];
}
tmat4x4(value_type s) {
value_type const Zero(0);
this->value[0] = col_type(s, Zero, Zero, Zero);
this->value[1] = col_type(Zero, s, Zero, Zero);
this->value[2] = col_type(Zero, Zero, s, Zero);
this->value[3] = col_type(Zero, Zero, Zero, s);
}
tmat4x4
(
value_type const & x0, value_type const & y0, value_type const & z0, value_type const & w0,
value_type const & x1, value_type const & y1, value_type const & z1, value_type const & w1,
value_type const & x2, value_type const & y2, value_type const & z2, value_type const & w2,
value_type const & x3, value_type const & y3, value_type const & z3, value_type const & w3
) {
this->value[0] = col_type(x0, y0, z0, w0);
this->value[1] = col_type(x1, y1, z1, w1);
this->value[2] = col_type(x2, y2, z2, w2);
this->value[3] = col_type(x3, y3, z3, w3);
}
tmat4x4
(
col_type const & v0,
col_type const & v1,
col_type const & v2,
col_type const & v3
) {
this->value[0] = v0;
this->value[1] = v1;
this->value[2] = v2;
this->value[3] = v3;
}
template <typename U>
tmat4x4(tmat4x4<U> const & m) {
this->value[0] = col_type(m[0]);
this->value[1] = col_type(m[1]);
this->value[2] = col_type(m[2]);
this->value[3] = col_type(m[3]);
}
T const * data() const {
return &this->value[0][0];
}
tmat4x4<T>& translate(value_type x, value_type y, value_type z) {
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(x, y, z, 1);
return *this;
}
template<typename U>
tmat4x4<T>& translate(U x, U y, U z) {
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(T(x), T(y), T(z), 1);
return *this;
}
tmat4x4<T>& translate(tvec3<T> const& pos) {
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(pos.x, pos.y, pos.z, 1);
return *this;
}
template<typename U>
tmat4x4<T>& translate(tvec3<U> const& pos) {
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(T(pos.x), T(pos.y), T(pos.z), 1);
return *this;
}
tmat4x4<T>& rotate(value_type angle, tvec3<T> const & v) {
T a = DEG2RAD(angle);
T c = cos(a);
T s = sin(a);
tvec3<T> axis = normalize(v);
tvec3<T> temp = (T(1) - c) * axis;
tmat4x4<T> res;
this->value[0][0] = c + temp[0] * axis[0];
this->value[0][1] = 0 + temp[0] * axis[1] + s * axis[2];
this->value[0][2] = 0 + temp[0] * axis[2] - s * axis[1];
this->value[0][3] = 0;
this->value[1][0] = 0 + temp[1] * axis[0] - s * axis[2];
this->value[1][1] = c + temp[1] * axis[1];
this->value[1][2] = 0 + temp[1] * axis[2] + s * axis[0];
this->value[1][3] = 0;
this->value[2][0] = 0 + temp[2] * axis[0] + s * axis[1];
this->value[2][1] = 0 + temp[2] * axis[1] - s * axis[0];
this->value[2][2] = c + temp[2] * axis[2];
this->value[2][3] = 0;
this->value[3][0] = 0;
this->value[3][1] = 0;
this->value[3][2] = 0;
this->value[3][3] = 1;
return *this;
}
tmat4x4<T>& rotateX(value_type angle) {
T a = DEG2RAD(angle);
T c = cos(a);
T s = sin(a);
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, c, s, 0);
this->value[2] = col_type(0, -s, c, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
template<typename U>
tmat4x4<T>& rotateX(U angle) {
T a = DEG2RAD(angle);
T c = cos(a);
T s = sin(a);
this->value[0] = col_type(1, 0, 0, 0);
this->value[1] = col_type(0, c, s, 0);
this->value[2] = col_type(0, -s, c, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
tmat4x4<T>& rotateY(value_type angle) {
T a = DEG2RAD(angle);
T c = cos(a);
T s = sin(a);
this->value[0] = col_type(c, 0, -s, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(s, 0, c, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
template<typename U>
tmat4x4<T>& rotateY(U angle) {
T a = DEG2RAD(angle);
T c = cos(a);
T s = sin(a);
this->value[0] = col_type(c, 0, -s, 0);
this->value[1] = col_type(0, 1, 0, 0);
this->value[2] = col_type(s, 0, c, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
tmat4x4<T>& rotateZ(value_type angle) {
T a = T(DEG2RAD(angle));
T c = cos(a);
T s = sin(a);
this->value[0] = col_type(c, s, 0, 0);
this->value[1] = col_type(-s, c, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
template<typename U>
tmat4x4<T>& rotateZ(U angle) {
T a = DEG2RAD(angle);
T c = cos(a);
T s = sin(a);
this->value[0] = col_type(c, s, 0, 0);
this->value[1] = col_type(-s, c, 0, 0);
this->value[2] = col_type(0, 0, 1, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
tmat4x4<T>& scale(tvec3<T> const& s) {
this->value[0] = col_type(s[0], 0, 0, 0);
this->value[1] = col_type(0, s[1], 0, 0);
this->value[2] = col_type(0, 0, s[2], 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
tmat4x4<T>& scale(value_type x, value_type y, value_type z) {
this->value[0] = col_type(x, 0, 0, 0);
this->value[1] = col_type(0, y, 0, 0);
this->value[2] = col_type(0, 0, z, 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
template<typename U>
tmat4x4<T>& scale(U x, U y, U z) {
this->value[0] = col_type(value_type(x), 0, 0, 0);
this->value[1] = col_type(0, value_type(y), 0, 0);
this->value[2] = col_type(0, 0, value_type(z), 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
template<typename U, typename V, typename W>
tmat4x4<T>& scale(U x, V y, W z) {
this->value[0] = col_type(value_type(x), 0, 0, 0);
this->value[1] = col_type(0, value_type(y), 0, 0);
this->value[2] = col_type(0, 0, value_type(z), 0);
this->value[3] = col_type(0, 0, 0, 1);
return *this;
}
tmat4x4<T> transpose() const {
return tmat4x4<T>(
this->value[0][0], this->value[1][0], this->value[2][0], this->value[3][0],
this->value[0][1], this->value[1][1], this->value[2][1], this->value[3][1],
this->value[0][2], this->value[1][2], this->value[2][2], this->value[3][2],
this->value[0][3], this->value[1][3], this->value[2][3], this->value[3][3]
);
}
tmat4x4<T> extractMatrixRotation() const {
return tmat4x4<T>(
this->value[0][0], this->value[0][1], this->value[0][2], 0.0,
this->value[1][0], this->value[1][1], this->value[1][2], 0.0,
this->value[2][0], this->value[2][1], this->value[2][2], 0.0,
0.0, 0.0, 0.0, 1.0
);
}
private:
col_type value[4];
};
template <typename T>
tvec3<T> operator*(tvec3<T> const& v, tmat4x4<T> const& mat) {
return tvec3<T>
(
v.x * mat[0][0] + v.y * mat[1][0] + v.z * mat[2][0] + 1 * mat[3][0],
v.x * mat[0][1] + v.y * mat[1][1] + v.z * mat[2][1] + 1 * mat[3][1],
v.x * mat[0][2] + v.y * mat[1][2] + v.z * mat[2][2] + 1 * mat[3][2]
);
}
template <typename T>
tmat4x4<T> operator*(tmat4x4<T> const & m, typename tmat4x4<T>::value_type s) {
return tmat4x4<T>(
m[0] * s,
m[1] * s,
m[2] * s,
m[3] * s);
}
template <typename T>
tmat4x4<T> operator*(typename tmat4x4<T>::value_type s, tmat4x4<T> const & m) {
return tmat4x4<T>(
m[0] * s,
m[1] * s,
m[2] * s,
m[3] * s);
}
template <typename T>
typename tmat4x4<T>::col_type operator*(tmat4x4<T> const & m, typename tmat4x4<T>::row_type const & v) {
return typename tmat4x4<T>::col_type(
m[0][0] * v.x + m[1][0] * v.y + m[2][0] * v.z + m[3][0] * v.w,
m[0][1] * v.x + m[1][1] * v.y + m[2][1] * v.z + m[3][1] * v.w,
m[0][2] * v.x + m[1][2] * v.y + m[2][2] * v.z + m[3][2] * v.w,
m[0][3] * v.x + m[1][3] * v.y + m[2][3] * v.z + m[3][3] * v.w);
}
template <typename T>
typename tmat4x4<T>::row_type operator*(typename tmat4x4<T>::col_type const & v, tmat4x4<T> const & m) {
return typename tmat4x4<T>::row_type(
m[0][0] * v.x + m[0][1] * v.y + m[0][2] * v.z + m[0][3] * v.w,
m[1][0] * v.x + m[1][1] * v.y + m[1][2] * v.z + m[1][3] * v.w,
m[2][0] * v.x + m[2][1] * v.y + m[2][2] * v.z + m[2][3] * v.w,
m[3][0] * v.x + m[3][1] * v.y + m[3][2] * v.z + m[3][3] * v.w);
}
template <typename T>
tmat4x4<T> operator*(tmat4x4<T> const & m1, tmat4x4<T> const & m2) {
typename tmat4x4<T>::col_type const srcA0 = m1[0];
typename tmat4x4<T>::col_type const srcA1 = m1[1];
typename tmat4x4<T>::col_type const srcA2 = m1[2];
typename tmat4x4<T>::col_type const srcA3 = m1[3];
typename tmat4x4<T>::col_type const srcB0 = m2[0];
typename tmat4x4<T>::col_type const srcB1 = m2[1];
typename tmat4x4<T>::col_type const srcB2 = m2[2];
typename tmat4x4<T>::col_type const srcB3 = m2[3];
tmat4x4<T> res;
res[0] = srcA0 * srcB0[0] + srcA1 * srcB0[1] + srcA2 * srcB0[2] + srcA3 * srcB0[3];
res[1] = srcA0 * srcB1[0] + srcA1 * srcB1[1] + srcA2 * srcB1[2] + srcA3 * srcB1[3];
res[2] = srcA0 * srcB2[0] + srcA1 * srcB2[1] + srcA2 * srcB2[2] + srcA3 * srcB2[3];
res[3] = srcA0 * srcB3[0] + srcA1 * srcB3[1] + srcA2 * srcB3[2] + srcA3 * srcB3[3];
return res;
}
#endif /* TMAT4X4_H */

57
src/6threed/struct/tvec2.h
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@ -1,57 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: tvec2.h
* Author: Blobt
*
* Created on February 19, 2020, 9:32 AM
*/
#ifndef TVEC2_H
#define TVEC2_H
template<typename T>
struct tvec2 {
typedef T value_type;
typedef std::size_t size_type;
typedef tvec2<T> type;
value_type x;
value_type y;
size_type length() const {
return 2;
}
value_type operator[](size_type i) {
assert(i < this->length());
return (&x)[i];
}
value_type const operator[](size_type i) const {
assert(i < this->length());
return (&x)[i];
}
tvec2() {
x = 0;
y = 0;
}
tvec2(const value_type &s) {
x = s;
y = s;
}
tvec2(const value_type &s1, const value_type &s2) {
x = s1;
y = s2;
}
};
#endif /* TVEC2_H */

172
src/6threed/struct/tvec3.h
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@ -1,172 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: tvec3.h
* Author: Blobt
*
* Created on February 19, 2020, 9:34 AM
*/
#ifndef TVEC3_H
#define TVEC3_H
#include <cstdio>
template<typename T>
struct tvec3 {
typedef T value_type;
typedef std::size_t size_type;
typedef tvec3<T> type;
value_type x;
value_type y;
value_type z;
size_type length()const {
return 3;
}
value_type &operator[](size_type i) {
assert(i < this->length());
return (&x)[i];
}
value_type const &operator[](size_type i) const {
assert(i < this->length());
return (&x)[i];
}
tvec3() {
x = 0;
y = 0;
z = 0;
}
inline tvec3(tvec3<T> const & v) :
x(v.x),
y(v.y),
z(v.z) {
}
tvec3(type &v) {
x = v.x;
y = v.y;
z = v.z;
}
tvec3(value_type s0, value_type s1, value_type s2) {
x = s0;
y = s1;
z = s2;
}
tvec3(value_type s) {
x = s;
y = s;
z = s;
}
/**
* 这个template <typename U>起到用来配备其它类型做参数的情况
* 例如tvec3<int> n(3.1f);
*/
template <typename U>
tvec3(U s) {
x = value_type(s);
y = value_type(s);
z = value_type(s);
}
template <typename A, typename B, typename C>
tvec3(A s1, B s2, C s3) {
x = value_type(s1);
y = value_type(s2);
z = value_type(s3);
}
tvec3<T>& operator=(tvec3<T> &s) {
x = s.x;
y = s.y;
z = s.z;
return *this;
}
tvec3<T> const & operator=(tvec3<T> const &s) {
x = s.x;
y = s.y;
z = s.z;
return *this;
}
template <typename U>
tvec3<T>& operator=(tvec3<U> const & v) {
this->x = T(v.x);
this->y = T(v.y);
this->z = T(v.z);
return *this;
}
tvec3<T> & operator++() {
++x;
++y;
++z;
return *this;
}
template <typename U>
tvec3<T> & operator*=(U const & s) {
this->x *= T(s);
this->y *= T(s);
this->z *= T(s);
return *this;
}
};
template <typename T>
tvec3<T> operator-(tvec3<T> const & v, T const & s) {
return tvec3<T>(
v.x - T(s),
v.y - T(s),
v.z - T(s));
}
template <typename T>
tvec3<T> operator-(T const & s, tvec3<T> const & v) {
return tvec3<T>(
T(s) - v.x,
T(s) - v.y,
T(s) - v.z);
}
template <typename T>
tvec3<T> operator-(tvec3<T> const & v1, tvec3<T> const & v2) {
return tvec3<T>(
v1.x - T(v2.x),
v1.y - T(v2.y),
v1.z - T(v2.z));
}
template <typename T>
tvec3<T> operator*(tvec3<T> const & v, T const & s) {
return tvec3<T>(
v.x * T(s),
v.y * T(s),
v.z * T(s));
}
template <typename T>
tvec3<T> operator*(T const & s, tvec3<T> const & v) {
return tvec3<T>(
T(s) * v.x,
T(s) * v.y,
T(s) * v.z);
}
#endif /* TVEC3_H */

183
src/6threed/struct/tvec4.h
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@ -1,183 +0,0 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
/*
* File: tvec4.h
* Author: Blobt
*
* Created on February 22, 2020, 9:12 AM
*/
#ifndef TVEC4_H
#define TVEC4_H
#include "../common.h"
template <typename T>
struct tvec4 {
typedef T value_type;
typedef std::size_t size_type;
typedef tvec4<T> type;
value_type x, y, z, w;
size_type length() const {
return 4;
}
value_type & operator[](size_type i) {
assert(i < this->length());
return (&x)[i];
}
value_type const & operator[](size_type i) const {
assert(i < this->length());
return (&x)[i];
}
tvec4() :
x(value_type(0)),
y(value_type(0)),
z(value_type(0)),
w(value_type(0)) {
}
tvec4(T s) :
x(s),
y(s),
z(s),
w(s) {
}
tvec4(tvec4<T> const & v) :
x(v.x),
y(v.y),
z(v.z),
w(v.w) {
}
template<typename U>
tvec4(tvec4<U> const & v) :
x(value_type(v.x)),
y(value_type(v.y)),
z(value_type(v.z)),
w(value_type(v.w)) {
}
tvec4
(
value_type s1,
value_type s2,
value_type s3,
value_type s4
) :
x(s1),
y(s2),
z(s3),
w(s4) {
}
tvec4<T> & operator=(tvec4<T> const & v) {
this->x = v.x;
this->y = v.y;
this->z = v.z;
this->w = v.w;
return *this;
}
template <typename U>
tvec4<T> & operator=(tvec4<U> const & v) {
this->x = T(v.x);
this->y = T(v.y);
this->z = T(v.z);
this->w = T(v.w);
return *this;
}
template <typename U>
tvec4<T> & operator*=(U const & s) {
this->x *= T(s);
this->y *= T(s);
this->z *= T(s);
this->w *= T(s);
return *this;
}
template <typename U>
tvec4<T> & operator*=(tvec4<U> const & v) {
this->x *= T(v.x);
this->y *= T(v.y);
this->z *= T(v.z);
this->w *= T(v.w);
return *this;
}
tvec4<T> & operator++() {
++this->x;
++this->y;
++this->z;
++this->w;
return *this;
}
};
template <typename T>
tvec4<T> operator+(tvec4<T> const & v, T const & s) {
return tvec4<T>(
v.x + s,
v.y + s,
v.z + s,
v.w + s);
}
template <typename T>
tvec4<T> operator+(T const & s, tvec4<T> const & v) {
return tvec4<T>(
s + v.x,
s + v.y,
s + v.z,
s + v.w);
}
template <typename T>
tvec4<T> operator+(tvec4<T> const & v1, tvec4<T> const & v2) {
return tvec4<T>(
v1.x + v2.x,
v1.y + v2.y,
v1.z + v2.z,
v1.w + v2.w);
}
template <typename T>
tvec4<T> operator*(tvec4<T> const & v, T const & s) {
return tvec4<T>(
v.x * s,
v.y * s,
v.z * s,
v.w * s);
}
template <typename T>
tvec4<T> operator*(T const & s, tvec4<T> const & v) {
return tvec4<T>(
s * v.x,
s * v.y,
s * v.z,
s * v.w);
}
template <typename T>
tvec4<T> operator*(tvec4<T> const & v1, tvec4<T> const & v2) {
return tvec4<T>(
v1.x * v2.x,
v1.y * v2.y,
v1.z * v2.z,
v1.w * v2.w);
}
#endif /* TVEC4_H */

77
src/6threed/threed.cc
View File

@ -8,12 +8,10 @@
using namespace std; using namespace std;
using namespace CELL; using namespace CELL;
gint height = 600;
gint width = 800;
gint height = 500;
gint width = 500;
Rgba* buffer = new Rgba[width * height];
Raster raster(width, height, buffer);
Raster raster(width, height);
struct Vertex { struct Vertex {
float x, y, z; float x, y, z;
@ -21,31 +19,71 @@ struct Vertex {
Rgba color; Rgba color;
}; };
void example1() {
void example3() {
Vertex vertexs[] = {
{-1.0f, 0.0f, -9.0f, 0.0f, 0.0f, Rgba(255, 0, 0, 255)},
{ 0.0f, 1.0f, -9.0f, 1.0f, 1.0f, Rgba(0, 255, 0, 255)},
{ 1.0f, 0.0f, -9.0f, 1.0f, 0.0f, Rgba(0, 0, 255, 255)}
};
raster.loadIdentity();
Image* image = Image::loadFromFile("/home/blobt/Documents/dev/cpp/3dbase/image/scale.jpg"); Image* image = Image::loadFromFile("/home/blobt/Documents/dev/cpp/3dbase/image/scale.jpg");
matrix4 matScale;
matScale.scale(2,2,1);
matrix4 matTran;
matTran.translate(-1,-1,0);
matrix4 mat = matScale * matTran;
raster.loadMatrix(mat);
raster.bindTexture(image);
raster.vertexPointer(2, DT_FLOAT, sizeof (Vertex), &vertexs[0].x);
raster.colorPointer(4, DT_BYTE, sizeof (Vertex), &vertexs[0].color);
raster.textureCoordPointer(2, DT_FLOAT, sizeof (Vertex), &vertexs[0].u);
raster.drawArrays(DM_TRIANGES, 0, 3);
}
/**
* if (!_frust.pointInFrustum(mp0) || _frust.pointInFrustum(mp1) || _frust.pointInFrustum(mp2)) {
//mp0 = piplineTransform(mp0);
//mp1 = piplineTransform(mp1);
//mp2 = piplineTransform2(mp2);
* 保留用来测试绘制，测试前要做上述修改
*/
void example2() {
Vertex vertexs[] = { Vertex vertexs[] = {
{-1.0f, 0.0f, -2.0f, 0.0f, 0.0f, CELL::Rgba(255, 0, 0, 255)},
{0.0f, 1.0f, -9.0f, 1.0f, 1.0f, CELL::Rgba(0, 255, 0, 255)},
{1.0f, 0.0f, -2.0f, 1.0f, 0.0f, CELL::Rgba(0, 0, 255, 255)},
{10, 10, 0, 0.0f, 0.0f, Rgba(255, 0, 0, 255)},
{110, 110, 0, 1.0f, 1.0f, Rgba(255, 0, 0, 255)},
{110, 10, 0, 1.0f, 0.0f, Rgba(255, 0, 0, 255)}
}; };
raster.bindTexture(image);
raster.loadIdentity();
raster.vertexPointer(2, CELL::DT_FLOAT, sizeof (Vertex), &vertexs[0].x);
raster.textureCoordPointer(2, CELL::DT_FLOAT, sizeof (Vertex), &vertexs[0].u);
raster.colorPointer(4, CELL::DT_BYTE, sizeof (Vertex), &vertexs[0].color);
Image* image = Image::loadFromFile("/home/blobt/Documents/dev/cpp/3dbase/image/scale.jpg");
raster.drawArrays(CELL::DM_TRIANGES, 0, 3);
raster.bindTexture(image);
raster.vertexPointer(2, DT_FLOAT, sizeof (Vertex), &vertexs[0].x);
raster.colorPointer(4, DT_BYTE, sizeof (Vertex), &vertexs[0].color);
raster.textureCoordPointer(2, DT_FLOAT, sizeof (Vertex), &vertexs[0].u);
raster.drawArrays(DM_TRIANGES, 0, 3);
} }
unsigned char* makeBitmap() { unsigned char* makeBitmap() {
raster.clear();
raster.clean();
example1();
example3();
return (unsigned char*) raster._buffer;
return (unsigned char*) raster.buffer;
} }
void render(GtkWidget *widget) { void render(GtkWidget *widget) {
@ -88,6 +126,11 @@ int main(int argc, char* argv[]) {
gtk_widget_show_all(window); gtk_widget_show_all(window);
raster.setViewPort(0, 0, width, height);
raster.setPerspective(60, (float) (width) / (float) (height), 0.1, 1000);
gtk_main(); gtk_main();
return 0; return 0;

7
src/7camera/CMakeLists.txt
View File

@ -0,0 +1,7 @@
set(commom_src
Raster.cc
Image.cc
)
add_executable(camera camera.cc ${commom_src})
target_link_libraries (camera ${FC_DEP_LIBS})

src/7threed/Image.cc → src/7camera/Image.cc
View File

src/7threed/Image.h → src/7camera/Image.h
View File

src/7threed/Raster.cc → src/7camera/Raster.cc
View File

src/7threed/Raster.h → src/7camera/Raster.h
View File

src/7threed/threed.cc → src/7camera/camera.cc
View File

src/7threed/common.h → src/7camera/common.h
View File

7
src/7threed/CMakeLists.txt
View File

@ -1,7 +0,0 @@
set(commom_src
Raster.cc
Image.cc
)
add_executable(threed threed.cc ${commom_src})
target_link_libraries (threed ${FC_DEP_LIBS})
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