added buffer for tiles and player, added +=, -= to math_graphics.h

git-svn-id: svn://ammerhai.com/home/mike/pokemon_repo@4 24008968-59e6-ed4c-a10b-0b2c954b24ab

assets/shader/basic_pixel_shader.hlsl

@@ -1,6 +1,5 @@
 struct PixelShaderInput {
 	float4 pos : SV_POSITION;
-	float4 color : COLOR;
 	float4 uvst : COORDINATES;
 };
 

assets/shader/basic_vertex_shader.hlsl

@@ -6,13 +6,11 @@ struct VertexShaderInput {
 
 	// Per Instance
 	float4 pos_size : INSTANCE_POSITION_SIZE;
-	float4 left_color : LEFT_COLOR;
 
 };
 
 struct VertexShaderOutput {
 	float4 pos : SV_POSITION;
-	float4 color : COLOR;
 	float4 uvst : COORDINATES;
 };
 
@@ -48,7 +46,6 @@ VertexShaderOutput main(VertexShaderInput input) {
 	//output.pos.xy = mul(pos, input.pos.xyz).xy;
 	output.pos.zw = float2(0, 1);
 
-	output.color = input.left_color;
 	output.uvst = input.uvst;
 
 	return output;