private void UpdateMatrices()
{
if (IsShadowCaster)
{
if (Type == LightType.Point)
{
_viewMatrixShadow[0] = Matrix4.LookAt(Position, Position + new Vector3(1, 0, 0), new Vector3(0, -1, 0));
_viewMatrixShadow[1] = Matrix4.LookAt(Position, Position + new Vector3(-1, 0, 0), new Vector3(0, -1, 0));
_viewMatrixShadow[2] = Matrix4.LookAt(Position, Position + new Vector3(0, 1, 0), new Vector3(0, 0, 1));
_viewMatrixShadow[3] = Matrix4.LookAt(Position, Position + new Vector3(0, -1, 0), new Vector3(0, 0, -1));
_viewMatrixShadow[4] = Matrix4.LookAt(Position, Position + new Vector3(0, 0, 1), new Vector3(0, -1, 0));
_viewMatrixShadow[5] = Matrix4.LookAt(Position, Position + new Vector3(0, 0, -1), new Vector3(0, -1, 0));
for (int i = 0; i < 6; i++)
{
_viewProjectionMatrixShadow[i] = _viewMatrixShadow[i] * _projectionMatrixShadow;
}
}
else
{
_viewMatrixShadow[0] = Matrix4.LookAt(Position, Target, KWEngine.WorldUp);
_frustumShadowMap.CalculateFrustum(_projectionMatrixShadow, _viewMatrixShadow[0]);
_viewProjectionMatrixShadow[0] = _viewMatrixShadow[0] * _projectionMatrixShadow;
}
}
}
private void UpdateMatrices()
{
if (_type == LightType.DirectionalShadow)
{
_shadowViewMatrix = Matrix4.LookAt(Position, Target, KWEngine.WorldUp);
_frustumShadowMap2.CalculateFrustum(_projectionMatrixShadow2, _shadowViewMatrix);
_viewProjectionMatrixShadow2 = _shadowViewMatrix * _projectionMatrixShadow2;
}
}
