C++ (Cpp) InverseTransposeMatrix示例

示例#1

文件： CQuadMT.cpp 项目： Chun-MingChen/ComputerGraphic_Demo

void CQuadMT::Update(float dt)
{
	if( m_bMVUpdated  ) { // Model View 的相關矩陣內容有更動
		m_mxMVFinal = m_mxView * m_mxTRS;
		m_mxITMV = InverseTransposeMatrix(m_mxMVFinal); 
	}
}

示例#2

文件： CWireSphere.cpp 项目： youweit/CG-Final-Project

void CWireSphere::Update(float dt, const structLightSource &LightSource)
{
#ifdef LIGHTING_WITHCPU
	if( m_bMVUpdated  ) { // Model View 的相關矩陣內容有更動
		m_mxMVFinal = m_mxModelView * m_mxTRS;
		m_mxMV3X3Final = mat3(
			m_mxMVFinal._m[0].x,  m_mxMVFinal._m[1].x, m_mxMVFinal._m[2].x,
			m_mxMVFinal._m[0].y,  m_mxMVFinal._m[1].y, m_mxMVFinal._m[2].y,
			m_mxMVFinal._m[0].z,  m_mxMVFinal._m[1].z, m_mxMVFinal._m[2].z);
#ifdef GENERAL_CASE
		m_mxITMV = InverseTransposeMatrix(m_mxMVFinal); 
#endif
		m_bMVUpdated = false;
	}
	if( m_iMode == FLAT_SHADING )  RenderWithGouraudShading(LightSource.position, LightSource.diffuse);
	else RenderWithGouraudShading(LightSource.position, LightSource.diffuse);

#else // Lighting With GPU
	if( m_bMVUpdated  ) {
		m_mxMVFinal = m_mxModelView * m_mxTRS;
		m_bMVUpdated = false;
	}
	m_vLightInView = m_mxModelView * LightSource.position;		// 將 Light 轉換到鏡頭座標再傳入
	// 算出 AmbientProduct DiffuseProduct 與 SpecularProduct 的內容
	m_AmbientProduct  = m_Material.ka * m_Material.ambient  * LightSource.ambient;
	m_DiffuseProduct  = m_Material.kd * m_Material.diffuse  * LightSource.diffuse;
	m_SpecularProduct = m_Material.ks * m_Material.specular * LightSource.specular;
#endif
}

示例#3

文件： CQuad.cpp 项目： Chun-MingChen/ComputerGraphic_Demo

void CQuad::Update(float dt, const LightSource &lights)
{
#ifdef LIGHTING_WITHCPU
	if( m_bViewUpdated || m_bTRSUpdated  ) { // Model View 的相關矩陣內容有更動
		m_mxMVFinal = m_mxView * m_mxTRS;
		m_mxMV3X3Final = mat3(
			m_mxMVFinal._m[0].x,  m_mxMVFinal._m[1].x, m_mxMVFinal._m[2].x,
			m_mxMVFinal._m[0].y,  m_mxMVFinal._m[1].y, m_mxMVFinal._m[2].y,
			m_mxMVFinal._m[0].z,  m_mxMVFinal._m[1].z, m_mxMVFinal._m[2].z);
#ifdef GENERAL_CASE
		m_mxITMV = InverseTransposeMatrix(m_mxMVFinal); 
#endif
		m_bViewUpdated = m_bTRSUpdated = false;
	}
	if (m_iMode == FLAT_SHADING) RenderWithFlatShading(lights);
	else RenderWithGouraudShading(lights);

#else // Lighting With GPU
	if (m_bViewUpdated || m_bTRSUpdated) {
		m_mxMVFinal = m_mxView * m_mxTRS;
		m_bViewUpdated = m_bTRSUpdated = false;
	}
	m_vLightInView = m_mxView * lights.position;		// 將 Light 轉換到鏡頭座標再傳入
	// 算出 AmbientProduct DiffuseProduct 與 SpecularProduct 的內容
	m_AmbientProduct = m_Material.ka * m_Material.ambient  * lights.ambient;
	m_AmbientProduct.w = m_Material.ambient.w;
	m_DiffuseProduct = m_Material.kd * m_Material.diffuse  * lights.diffuse;
	m_DiffuseProduct.w = m_Material.diffuse.w;
	m_SpecularProduct = m_Material.ks * m_Material.specular * lights.specular;
	m_SpecularProduct.w = m_Material.specular.w;
#endif

}

示例#4

文件： CQuad.cpp 项目： Chun-MingChen/ComputerGraphic_Demo

void CQuad::Update(float dt)
{
	if (m_bViewUpdated || m_bTRSUpdated) { // Model View 的相關矩陣內容有更動
		m_mxMVFinal = m_mxView * m_mxTRS;
		m_mxITMV = InverseTransposeMatrix(m_mxMVFinal); 
		m_bViewUpdated = m_bTRSUpdated = false;
	}
}