void onFrameMove(float delta)
{
if( g_bAutoRotating ) { // Part 2 : 重新計算 Light 的位置
UpdateLightPosition(delta);
}
// 如果需要重新計算時，在這邊計算每一個物件的顏色
g_pFloor->Update(delta, g_Light1);
g_pCube->Update(delta, g_Light1);
g_pSphere->Update(delta, g_Light1);
g_pLight->Update(delta);
GL_Display();
}
void Shader::Update(Transform *transform, Camera *camera, Material* mat)
{
glm::mat4 M = transform->GetModel();
glm::mat4 V = camera->getView();
glm::mat4 P = camera->getProjection();
glm::mat4 Normal = transform->getNormalMat(camera);
glm::vec4 d = mat->getDiffuse();
glm::vec4 a = mat->getAmbient();
glm::vec4 s = mat->getSpecular();
glm::vec4 e = mat->getEmissive();
float shiny = mat->getShininess();
UpdateMVP(M, V, P);
UpdateMaterial(d, a, s, e, shiny);
UpdateNormalMat(Normal);
UpdateLightPosition(m_lightPosition);
UpdateLightDirection(m_lightDirection);
}
void Shader::UpdateLight(Light* light){
UpdateLightPosition(light->GetPosition());
UpdateLightColor(light->GetColor());
}
