private void UpdateScene(DeviceContext context)
{
var perFrame = new ConstantBuffer.PerFrame {
CameraPosition = Scene.CameraPosition
};
LightScene(ref perFrame);
context.UpdateSubresource(ref perFrame, PerFrameBuffer);
}
private void LightScene(ref ConstantBuffer.PerFrame perFrame)
{
var dirLight = Lights.Where(l => l is DirectionalLight).FirstOrDefault();
var pointLight = Lights.Where(l => l is PointLight).FirstOrDefault();
var spotLight = Lights.Where(l => l is SpotLight).FirstOrDefault();
var ligthMat = Matrix.RotationY(360 * Scene.Time / 1000);
var lightDir0 = Vector3.Transform(dirLight.Direction, Scene.Model * (dirLight.IsDynamic ? ligthMat : Matrix.Identity));
var lightDir1 = Vector3.Transform(pointLight.Direction, Scene.Model * (pointLight.IsDynamic ? ligthMat : Matrix.Identity));
var lightDir2 = Vector3.Transform(spotLight.Direction, Scene.Model * (spotLight.IsDynamic ? ligthMat : Matrix.Identity));
perFrame.Light0.Direction = new Vector3(lightDir0.X, lightDir0.Y, lightDir0.Z);
perFrame.Light1.Direction = new Vector3(lightDir1.X, lightDir1.Y, lightDir1.Z);
perFrame.Light2.Direction = new Vector3(lightDir2.X, lightDir2.Y, lightDir2.Z);
perFrame.Light0.On = dirLight.IsOn ? 1u : 0;
perFrame.Light1.On = pointLight.IsOn ? 1u : 0;
perFrame.Light2.On = spotLight.IsOn ? 1u : 0;
perFrame.Light0.Color = dirLight.Color;
perFrame.Light1.Color = pointLight.Color;
perFrame.Light2.Color = spotLight.Color;
}