blobt
/
shader3
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

三种光源同台

master
blobt 4 years ago
parent
93e73759d3
commit
c05c6c4b12
3 changed files with 73 additions and 18 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. BIN
      .vs/shader3/v14/.suo
  2. 76
      main.cpp
  3. 11
      res/shader/test.fs

BIN
.vs/shader3/v14/.suo
View File

76
main.cpp
View File

@ -78,6 +78,7 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
gpuProgram.DetectUniform("U_AmbientMaterial");
gpuProgram.DetectUniform("U_DiffuseLightColor");
gpuProgram.DetectUniform("U_DiffuseMaterial");
gpuProgram.DetectUniform("U_DiffuseIntensity");
gpuProgram.DetectUniform("U_LightPos");
gpuProgram.DetectUniform("U_LightDirection");
gpuProgram.DetectUniform("U_Cutoff");
@ -86,8 +87,8 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
gpuProgram.DetectUniform("U_EyePos");
//init 3d model
ObjModel model;
model.Init("res/model/Sphere.obj");
ObjModel cube;
cube.Init("res/model/Cube.obj");
float identity[] = {
1.0f,0,0,0,
@ -98,19 +99,26 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
float ambientLightColor[] = {0.4f,0.4f,0.4f,1.0f};
float ambientMaterial[] = { 0.2f,0.2f,0.2f,1.0f };
float diffuseLightColor[] = { 1.0f,1.0f,1.0f,1.0f };
float diffuseMaterial[] = { 0.6f, 0.6f, 0.6f, 1.0f };
float lightPos[] = {0.0f,3.0f,-2.5f,1.0f};
float diffuseMaterial[] = { 0.8f, 0.8f, 0.8f, 1.0f };
float lightPos[] = {0.0f,1.0f,0.0f,0.0f};
float diffuseIntensity = 1.0f;
float spotLightDirection[] = {0.0f, -1.0f, 0.0f, 128.0f};//把最后一位改成......
float spotLightCutoff = 0.0f;
float spotLightDirection[] = {0.0f, -1.0f, 0.0f, 628.0f};//把最后一位改成......
float spotLightCutoff = 5.0f;
float specularLightColor[] = { 1.0f,1.0f,1.0f,1.0f };
float specularMaterial[] = { 1.0f,1.0f,1.0f,1.0f };
float eyePos[] = { 0.0f,0.0f,0.0f };
glm::mat4 modelMatrix = glm::translate<float>(0.0f, 0.0f, -3.0f) * glm::rotate(-30.0f, 1.0f, 1.0f, 1.0f);
glm::mat4 model1 = glm::translate<float>(-2.0f, 0.0f, -6.0f) * glm::rotate(-30.0f , 1.0f, 1.0f, 1.0f);
glm::mat4 model2 = glm::translate<float>(0.0f, 0.0f, -6.0f) * glm::rotate(-30.0f, 1.0f, 1.0f, 1.0f);
glm::mat4 model3 = glm::translate<float>(2.0f, 0.0f, -6.0f) * glm::rotate(-30.0f, 1.0f, 1.0f, 1.0f);
glm::mat4 projectionMatrix = glm::perspective(50.0f, 800.0f / 600.0f, 0.1f, 1000.0f);
glm::mat4 normalMatrix = glm::inverseTranspose(modelMatrix);
glm::mat4 normalMatrix1 = glm::inverseTranspose(model1);
glm::mat4 normalMatrix2 = glm::inverseTranspose(model2);
glm::mat4 normalMatrix3 = glm::inverseTranspose(model3);
glClearColor(41.0f/255.0f, 71.0f/255.0f, 121.0f / 255.0f, 1.0f);
ShowWindow(hwnd, SW_SHOW);
@ -133,24 +141,64 @@ INT WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _
glEnable(GL_DEPTH_TEST);
glUseProgram(gpuProgram.mProgram);
glUniformMatrix4fv(gpuProgram.GetLocation("M"), 1,GL_FALSE, glm::value_ptr(modelMatrix));
glUniformMatrix4fv(gpuProgram.GetLocation("V"), 1, GL_FALSE, identity);
glUniformMatrix4fv(gpuProgram.GetLocation("P"), 1, GL_FALSE, glm::value_ptr(projectionMatrix));
glUniformMatrix4fv(gpuProgram.GetLocation("NM"), 1, GL_FALSE, glm::value_ptr(normalMatrix));
glUniform4fv(gpuProgram.GetLocation("U_AmbientLightColor"), 1,ambientLightColor);
glUniform4fv(gpuProgram.GetLocation("U_AmbientMaterial"), 1, ambientMaterial);
glUniform4fv(gpuProgram.GetLocation("U_DiffuseLightColor"), 1, diffuseLightColor);
glUniform4fv(gpuProgram.GetLocation("U_DiffuseMaterial"), 1, diffuseMaterial);
glUniform4fv(gpuProgram.GetLocation("U_LightPos"), 1, lightPos);
glUniform4fv(gpuProgram.GetLocation("U_LightDirection"), 1, spotLightDirection);
glUniform1f(gpuProgram.GetLocation("U_Cutoff"), spotLightCutoff);
glUniform4fv(gpuProgram.GetLocation("U_SpecularLightColor"), 1, specularLightColor);
glUniform4fv(gpuProgram.GetLocation("U_SpecularMaterial"), 1, specularMaterial);
glUniform3fv(gpuProgram.GetLocation("U_EyePos"), 1, eyePos);
model.Bind(gpuProgram.GetLocation("pos"), gpuProgram.GetLocation("texcoord"), gpuProgram.GetLocation("normal"));
model.Draw();
//left
lightPos[0] = 0.0f;
lightPos[1] = 1.5f;
lightPos[2] = 0.0f;
lightPos[3] = 0.0f;
diffuseIntensity = 1.0f;
spotLightCutoff = 0.0f;
glUniform4fv(gpuProgram.GetLocation("U_LightPos"), 1, lightPos);
glUniform1f(gpuProgram.GetLocation("U_DiffuseIntensity"), diffuseIntensity);
glUniform1f(gpuProgram.GetLocation("U_Cutoff"), spotLightCutoff);
glUniformMatrix4fv(gpuProgram.GetLocation("M"), 1, GL_FALSE, glm::value_ptr(model1));
glUniformMatrix4fv(gpuProgram.GetLocation("NM"), 1, GL_FALSE, glm::value_ptr(normalMatrix1));
cube.Bind(gpuProgram.GetLocation("pos"), gpuProgram.GetLocation("texcoord"), gpuProgram.GetLocation("normal"));
cube.Draw();
//middle
lightPos[0] = 0.0f;
lightPos[1] = 3.0f;
lightPos[2] = -6.0f;
lightPos[3] = 1.0f;
diffuseIntensity = 3.0f;
spotLightCutoff = 0.0f;
glUniform4fv(gpuProgram.GetLocation("U_LightPos"), 1, lightPos);
glUniform1f(gpuProgram.GetLocation("U_DiffuseIntensity"), diffuseIntensity);
glUniform1f(gpuProgram.GetLocation("U_Cutoff"), spotLightCutoff);
glUniformMatrix4fv(gpuProgram.GetLocation("M"), 1, GL_FALSE, glm::value_ptr(model2));
glUniformMatrix4fv(gpuProgram.GetLocation("NM"), 1, GL_FALSE, glm::value_ptr(normalMatrix2));
cube.Bind(gpuProgram.GetLocation("pos"), gpuProgram.GetLocation("texcoord"), gpuProgram.GetLocation("normal"));
cube.Draw();
//right
lightPos[0] = 2.0f;
lightPos[1] = 3.0f;
lightPos[2] = -6.0f;
lightPos[3] = 1.0f;
diffuseIntensity = 4.0f;
spotLightCutoff = 15.0f;
glUniform4fv(gpuProgram.GetLocation("U_LightPos"), 1, lightPos);
glUniform1f(gpuProgram.GetLocation("U_DiffuseIntensity"), diffuseIntensity);
glUniform1f(gpuProgram.GetLocation("U_Cutoff"), spotLightCutoff);
glUniformMatrix4fv(gpuProgram.GetLocation("M"), 1, GL_FALSE, glm::value_ptr(model3));
glUniformMatrix4fv(gpuProgram.GetLocation("NM"), 1, GL_FALSE, glm::value_ptr(normalMatrix3));
cube.Bind(gpuProgram.GetLocation("pos"), gpuProgram.GetLocation("texcoord"), gpuProgram.GetLocation("normal"));
cube.Draw();
glUseProgram(0);
glFinish();
SwapBuffers(dc);

11
res/shader/test.fs
View File

@ -3,6 +3,7 @@ uniform vec4 U_AmbientMaterial;
uniform vec4 U_LightPos;
uniform vec4 U_LightDirection;
uniform float U_Cutoff;
uniform float U_DiffuseIntensity;
uniform vec4 U_DiffuseLightColor;
uniform vec4 U_DiffuseMaterial;
uniform vec3 U_EyePos;
@ -43,21 +44,27 @@ void main()
float currentThta = max(0.0, dot(-L, spotLightDirection));
if(currentThta > cosThta){
if(dot(L,N)>0.0)
{
diffuseIntensity=pow(currentThta,U_LightDirection.w);
}
}
} else {
diffuseIntensity = max(0.0, dot(L,N));
}
} else {
// Ć˝ĐĐšâ
L = normalize(U_LightPos.xyz - vec3(0.0));
diffuseIntensity = max(0.0, dot(L,N));
}
vec4 diffuseColor = U_DiffuseLightColor * U_DiffuseMaterial * max(0.0, dot(L,N)) * attenuation * diffuseIntensity;
vec4 diffuseColor = U_DiffuseLightColor * U_DiffuseMaterial * attenuation * diffuseIntensity * U_DiffuseIntensity;
//specualr
vec3 RD = normalize(reflect(-L,N));
vec3 VD = normalize(U_EyePos - V_WorldPos);
vec4 specularColor = U_SpecularLightColor * U_SpecularMaterial * pow(max(0.0, dot(RD,VD)) ,128);
gl_FragColor = ambientColor + diffuseColor;// + specularColor;
gl_FragColor = ambientColor + diffuseColor + specularColor;
}
Write Preview
Loading…
Cancel
Save