Shader "Codeblue/GolfFabric" {
	Properties {
		_Color ("Color", Color) = (1,1,1,1)
		_NormalTex ("Noise Normal", 2D) = "bump" {}
		_NoiseScale("Noise Scale", Range(0,2)) = 0.0
		_NormalStrength("Normal Strength", Range(0,4)) = 0.0
	}
	SubShader {
		Tags { "RenderType"="Opaque" }
		LOD 200

		CGPROGRAM
		// Physically based Standard lighting model, and enable shadows on all light types
		#pragma surface surf Standard fullforwardshadows

		// Use shader model 3.0 target, to get nicer looking lighting
		#pragma target 3.0


		struct Input {
			float3 worldPos;
		};

		float _NoiseScale;
		float _NormalStrength;
		float4 _Color;
		sampler2D _NoiseTex;
		sampler2D _NormalTex;

		void surf (Input IN, inout SurfaceOutputStandard o) {

			//Convert world space to texture space, based on scale
			float2 texturePos;
			texturePos.x = IN.worldPos.x * _NoiseScale;
			texturePos.y = IN.worldPos.z * _NoiseScale;

			fixed4 noiseColor = tex2D (_NoiseTex, texturePos);

			o.Albedo = _Color.rgb;
			float3 _normal = UnpackNormal(tex2D(_NormalTex, texturePos));
			_normal.z = _normal.z * (4 - _NormalStrength);

			 o.Normal = normalize(_normal);
		}
		ENDCG
	}
}