void Effect::SetParam(const string& name, F32 data) {
auto it = scalarVars.find(name);
_ASSERT(it != scalarVars.end());
ID3DX11EffectScalarVariable* pScalarVar = it->second;
DXCall(pScalarVar->SetFloat(data));
}
bool CD3DEffect::SetScalar(LPCSTR handle, float value)
{
if (m_effect)
{
ID3DX11EffectScalarVariable* scalar = m_effect->GetVariableByName(handle)->AsScalar();
if (scalar->IsValid())
return (S_OK == scalar->SetFloat(value));
}
return false;
}
void BoxApp::UpdateScene(float dt)
{
// Convert Spherical to Cartesian coordinates.
float x = mRadius*sinf(mPhi)*cosf(mTheta);
float z = mRadius*sinf(mPhi)*sinf(mTheta);
float y = mRadius*cosf(mPhi);
// Build the view matrix.
XMVECTOR pos = XMVectorSet(x, y, z, 1.0f);
XMVECTOR target = XMVectorZero();
XMVECTOR up = XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
XMMATRIX V = XMMatrixLookAtLH(pos, target, up);
XMStoreFloat4x4(&mView, V);
mfxTimeVar->SetFloat(mTimer.TotalTime());
}
