Unity高级开发-Shader开发（1）-渲染管线

Shader "Custom/Leichao886" {
        Properties {
        _Color ("Main Color", Color) = (1, 1, 1, 1)
        _MainTex ("Base (RGB)", 2D) = "white" {}
    }
    SubShader {
        Pass{
        // Dont write to the depth buffer
        ZWrite off

        // Set up alpha blending
        Blend SrcAlpha OneMinusSrcAlpha

        CGPROGRAM
        #pragma vertex vert
        #pragma fragment frag
        #include "UnityCG.cginc"

        sampler2D _MainTex;
        float4 _Color;

        struct v2f{
            float4 pos:SV_POSITION;
            float4 texcoord : TEXCOORD0;
        };

        v2f vert(appdata_base v)
        {
            v2f o;
            // 获得Unity全局变量（模型坐标到世界坐标的矩阵）  * 拿到顶点
            o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
            o.texcoord = v.texcoord;
            return o;
        }

        half4 frag(v2f i):COLOR0
        {
            half4 col = _Color * tex2D(_MainTex, i.texcoord.xy);
            return col;
        }

        ENDCG
        }
    } 
    FallBack "Diffuse"
}