model类完成

model.cpp

@@ -151,7 +151,25 @@ void Model::createVertexBuffer()
 }
 
 void Model::Draw(glm::mat4 & viewMatrix, glm::mat4 projectionMatrix, float x, float y, float z) {
-	//TODO
+	mShader->SetVec4("U_CameraPos", x, y, z, 1.0);
+	glEnable(GL_DEPTH_TEST);
+	mVertexBuffer->Bind();
+	if (mShader->mProgram > 0) {
+		mShader->Bind(glm::value_ptr(mModelMatrix), glm::value_ptr(viewMatrix), glm::value_ptr(projectionMatrix));
+		glm::mat4 it = glm::inverseTranspose(mModelMatrix);
+		GLint itLocation = glGetUniformLocation(mShader->mProgram, "IT_ModelMatrix");
+		glUniformMatrix4fv(itLocation, 1, GL_FALSE, glm::value_ptr(it));
+		itLocation = glGetUniformLocation(mShader->mProgram, "LightViewMatrix");
+		if (itLocation >= 0 && mLightViewMatrix != nullptr) {
+			glUniformMatrix4fv(itLocation, 1, GL_FALSE, mLightViewMatrix);
+		}
+		itLocation = glGetUniformLocation(mShader->mProgram, "LightProjectionMatrix");
+		if (itLocation >= 0 && mLightProjectionMatrix != nullptr) {
+			glUniformMatrix4fv(itLocation, 1, GL_FALSE, mLightProjectionMatrix);
+		}
+	}
+	glDrawArrays(GL_TRIANGLES, 0, mVertexBuffer->mVertexCount);
+	mVertexBuffer->Unbind();
 }
 
 void Model::SetPosition(float x, float y, float z) {