Legacy shader world space planar uv mapping

Shader "WorldUV/Diffuse" {
Properties {
	_Color ("Main Color", Color) = (1,1,1,1)
	_MainTex ("Base (RGB)", 2D) = "white" {}
	_Scale ("Texture Scale", Float) = 1
}
SubShader {
	Tags { "RenderType"="Opaque" }
	LOD 200

CGPROGRAM
#pragma surface surf Lambert

sampler2D _MainTex;
fixed4 _Color;
float _Scale;

struct Input {
	float3 worldNormal;
	float3 worldPos;
};

void surf (Input IN, inout SurfaceOutput o) {
	float2 uv;
	if (abs(IN.worldNormal.x) > 0.5) {
		uv = IN.worldPos.yz;
	} else if (abs(IN.worldNormal.z) > 0.5) {
		uv = IN.worldPos.xy;
	} else {
		uv = IN.worldPos.xz;
	}
	fixed4 c = tex2D(_MainTex, uv * _Scale) * _Color;
	o.Albedo = c.rgb;
	o.Alpha = c.a;
}
ENDCG
}

Fallback "VertexLit"
}