简单的贴图显示shander

Shader "ztq/Diffuse" {

Properties {

_Color ("Main Color", Color) = (1,1,1,1) //主材质颜色

_MainTex ("Base (RGB) ", 2D) = "white" {} //主材质

}

SubShader {

Pass

{

Tags

{

"LightMode"="ForwardBase"

}

CGPROGRAM

#include "UnityCG.cginc" //引用库

#pragma vertex vert //指定Vertex Shader函数

#pragma fragment frag //指定Fragment Shader函数

uniform sampler2D _MainTex;

uniform fixed4 _Color;

struct v2f //申明顶点片段到像素片段函数

{

half4 pos : SV_POSITION; //存放顶点坐标信息

half2 uv : TEXCOORD0; //存放主材质的UV信息

};

v2f vert(appdata_full v) //顶点片段

{

v2f o; //创建O

o.pos = mul(UNITY_MATRIX_MVP, v.vertex); //将物体坐标转换到屏幕坐标

o.uv = v.texcoord.xy; //映射UV

return o; //返回O

}

fixed4 frag(v2f i) : COLOR

{

fixed4 diffSamplerColor = tex2D( _MainTex, i.uv.xy ); //贴图采样

return fixed4(diffSamplerColor*_Color) ; //返回颜色

}

ENDCG

}

}

}