struct VS_OUTPUT
{
  float4 pos:POSITION;
  float4 diff:COLOR0;

}
float4 WorldViewwProj:WORLDVIEWPROJACTION;
float time=1.0f;
VS_OUTPUT Transform	(float4 pos:POSITION){
  VS_OUTPUT Out=(VS_OUTPUT)0;
  Out.pos=mul(Pos,WorldViewwProj);
  Out.diff.r=1-Time;
  Out.diff.b=Time*WorldViewwProj[2].yz;
  Out.diff.ga=Time*WorldViewwProj[0].xy;
  return Out;
}
technique TransformDiff{
  pass P0{
     CullMode=None;
	 VertexShader=compile vs_1_1 Transform();
	 PixelShader = null;
  }
}

effect = Effect.FromFile(device, "simple.fx", null, null, ShaderFlags.None, null);