Method DeriveFrustum

trinity/TriFrustum.cpp:26–36

}

void TriFrustum::DeriveFrustum( const Matrix* view, const Vector3* campos, const Matrix* projection, const TriViewport& viewport )
{
	CacheTransformationData( view, campos, projection, viewport );

	// It does not make any sense of doing frustum culling in any other space then world space.
	// Otherwise we would have to move all the geometry to camera space before we would do any culling.
	Matrix worldMat = *view * *projection;

	// Now do the actual extraction
	ExtractFrustum( &worldMat );
}

void TriFrustum::ExtractFrustum( const Matrix* proj )
{ /**