private void SetShaderParameters()
{
// for camera
RayTracingShader.SetTexture(0, "_SkyboxTexture", SkyboxTexture);
RayTracingShader.SetMatrix("_CameraToWorld", _camera.cameraToWorldMatrix);
RayTracingShader.SetMatrix("_CameraInverseProjection", _camera.projectionMatrix.inverse);
// light
Vector3 l = DirectionalLight.transform.forward;
RayTracingShader.SetVector("_DirectionalLight", new Vector4(l.x, l.y, l.z, DirectionalLight.intensity));
// for antialiasing
RayTracingShader.SetVector("_PixelOffset", new Vector2(Random.value, Random.value));
// Spheres
if (_sphereBuffer != null)
{
RayTracingShader.SetBuffer(0, "_Spheres", _sphereBuffer);
}
}