void SetAlpha(float alpha){
Vec4 param = mMaterial->GetMaterialParameter(3);
mAlpha = param.w = alpha;
mMaterial->SetMaterialParameter(3, param);
mMaterialParamDest[3].w = alpha;
mMaterialParamDest[2].w = alpha;
}
// IRenderable
void PreRender(const RenderParam& param, RenderParamOut* paramOut){
if (mSelf->HasObjFlag(SceneObjectFlag::Hide))
return;
if (mLastPreRendered == gpTimer->GetFrame())
return;
mLastPreRendered = gpTimer->GetFrame();
if (mBlendingSkySphere && mBlendingSkySphere->GetAlpha() == 1.0f){
mBlendingSkySphere->PreRender(param, paramOut);
return;
}
if (mInterpolating)
{
mCurInterpolationTime += gpTimer->GetDeltaTime();
float normTime = mCurInterpolationTime / mInterpolationTime;
if (normTime >= 1.0f)
{
normTime = 1.0f;
mInterpolating = false;
if (!mUseAlphaBlend)
{
SceneObjectFactory::GetInstance().UpdateEnvMapInNextFrame(mSelfPtr.lock());
}
}
for (int i = 0; i < 5; i++)
{
mMaterial->SetMaterialParameter(i, Lerp(mMaterialParamCur[i], mMaterialParamDest[i], normTime));
if (mMaterialOCC)
{
mMaterialOCC->SetMaterialParameter(i, Lerp(mMaterialParamCur[i], mMaterialParamDest[i], normTime));
}
}
}
if (mBlendingSkySphere && mBlendingSkySphere->GetAlpha() != 0.f){
mBlendingSkySphere->PreRender(param, paramOut);
}
}