void main_vp(
      float4 position: POSITION,
      float4 normal: NORMAL,
      float2 texCoord : TEXCOORD0,
      float4 colour: COLOR0,
      out float4 oPosition: POSITION,
      out float4 oColour: COLOR0,
      //out float4 oNormal: TEXCOORD1,
      out float2 oTexCoord : TEXCOORD0,
      uniform float4x4 worldmatrix,
      uniform float4x4 viewmatrix,
      uniform float4x4 projectionmatrix
      //uniform float4x4 invtransworldview
      )
{
	float4x4 m1 = mul(viewmatrix,worldmatrix);
	float4x4 m2 = mul(projectionmatrix,m1);
	oPosition = mul(m2,position);
	//oNormal = mul(invtransworldview,normal);
	oColour = colour;
	oTexCoord = texCoord;
}