투명디스플레이 연구사업

// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'

Shader "Kinect/BodyShader" {

//    Properties {

//        _MainTex ("Base (RGB)", 2D) = "black" {}

//    }

	SubShader {

		Pass {

			ZTest Always Cull Off ZWrite Off

			Fog { Mode off }

			CGPROGRAM

			#pragma target 5.0

			//#pragma enable_d3d11_debug_symbols

			#pragma vertex vert

			#pragma fragment frag

			#include "UnityCG.cginc"

			//uniform sampler2D _MainTex;

			uniform float _TexResX;

			uniform float _TexResY;

			StructuredBuffer<float> _BodyIndexBuffer;

			struct v2f {

				float4 pos : SV_POSITION;

			    float2 uv : TEXCOORD0;

			};

			v2f vert (appdata_base v)

			{

				v2f o;

				o.pos = UnityObjectToClipPos (v.vertex);

				o.uv = v.texcoord;

				return o;

			}

			float4 frag (v2f i) : COLOR

			{

				int dx = (int)(i.uv.x * _TexResX);

				int dy = (int)(i.uv.y * _TexResY);

				int di = (int)(dx + dy * _TexResX);

				float player = _BodyIndexBuffer[di];

				if (player != 255)

				{

					float clrPlayer = (240 + player) / 255;

					return float4(clrPlayer, clrPlayer, clrPlayer, clrPlayer);

				}

				return float4(0, 0, 0, 0);

			}

			ENDCG

		}

	}

	Fallback Off

}