頂点カラー付きシェーダー

StandardVertex.shader

Shader "Particle/StandardVertex" {

	Properties{
		_Color("Color", Color) = (1,1,1,1)
		_MainTex("Albedo (RGB)", 2D) = "white" {}
		_Glossiness("Smoothness", Range(0,1)) = 0.5
		_Metallic("Metallic", Range(0,1)) = 0.0
	}

	SubShader{
		Tags{ "RenderType" = "Opaque" }
		LOD 200

		CGPROGRAM

#pragma surface surf Standard vertex:vert fullforwardshadows
#pragma target 3.0

		struct Input {
			float2 uv_MainTex;
			float3 vertexColor; // 頂点カラーを格納する
		};

		void vert(inout appdata_full v, out Input o)
		{
			UNITY_INITIALIZE_OUTPUT(Input,o);
			o.vertexColor = v.color; // パーティクルの頂点カラーを取得
		}

		sampler2D _MainTex;

		half _Glossiness;
		half _Metallic;
		fixed4 _Color;

		void surf(Input IN, inout SurfaceOutputStandard o)
		{
			fixed4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
			o.Albedo = c.rgb * IN.vertexColor; // 頂点カラーを流し込む
			o.Metallic = _Metallic;
			o.Smoothness = _Glossiness;
			o.Alpha = c.a;
		}
		ENDCG
	}
	FallBack "Diffuse"
}