normalize ( mul ( In.Normal.xyz, (float3x3)matWorldIT ) );

// get the normalized vector from this pixel to lightfloat3 LightVector = normalize ( lightPos - In.Position );

// normalize normal and bring it into world spaceIn.Normal = normalize ( mul ( In.Normal, matWorld ) );// bring position into world spaceIn.Position = mul ( In.Position, matWorld );...// get the normalized vector from this pixel to lightfloat3 LightVector = normalize ( lightPosition - In.Position );

// normalize normal and bring it into world spaceIn.Normal = normalize ( mul ( In.Normal.xyz, (float3x3)matWorld ) );// bring position into world spaceIn.Position = mul ( float4(In.Position.xyz,1), matWorld );...// get the normalized vector from this pixel to lightfloat3 LightVector = normalize ( lightPosition.xyz - In.Position );

float4x4	matWorldViewProj;float4x4	matWorld;float4		lightPosition;float4		lightAmbientColor;float4		lightDiffuseColor;struct VS_Input{	float4 Position	: POSITION;	float2 UV	: TEXCOORD0;	float3 Normal	: NORMAL;};struct VS_Output{	float4 Position		: POSITION;	float2 UV		: TEXCOORD0;	float3 Normal		: TEXCOORD1;	float3 PositionWorld	: TEXCOORD2;};VS_Output MyVertexShader ( VS_Input In ){	VS_Output Out;    	// transform vertex intro projection space for rendering	Out.Position = mul ( In.Position, matWorldViewProj );    	// simply pass UV coordinates on	Out.UV = In.UV;    	// pass the normal on	Out.Normal = In.Normal;    	// get position in world space	Out.PositionWorld = In.Position;		return Out;}struct PS_Input{	float2 UV	: TEXCOORD0;	float3 Normal	: TEXCOORD1;	float3 Position	: TEXCOORD2;};struct PS_Output{	float4 Color	: COLOR;};PS_Output MyPixelShader ( PS_Input In, sampler2D tex0 ){	PS_Output Out;		// normalize normal and bring it into world space	In.Normal = normalize ( mul ( In.Normal.xyz, (float3x3)matWorld ) );	// bring position into world space	In.Position = mul ( float4(In.Position.xyz,1), matWorld );		// look up the diffuse color from the texture	float4 texture_color = tex2D ( tex0, In.UV );		// get the normalized vector from this pixel to light	float3 LightVector = normalize ( lightPosition.xyz - In.Position );		// calculate lighting	float3 light = max ( dot ( LightVector, In.Normal ), 0.0f );    	// calculate the pixel color (ambient and diffuse)	Out.Color.rgb = ( texture_color.rgb * lightAmbientColor.rgb ) + ( texture_color.rgb * lightDiffuseColor.rgb * light );		// support transparency	Out.Color.a = texture_color.a;    	return Out;}technique EntryPoint{	pass SinglePass	{		VertexShader = compile vs_2_0 MyVertexShader ( );		PixelShader = compile ps_2_0 MyPixelShader ( );	}}