GGJ_2019/Assets/ThirdParty/AmplifyShaderEditor/Examples/Official/UISpriteFX/UISpriteFX.shader

// Made with Amplify Shader Editor
// Available at the Unity Asset Store - http://u3d.as/y3X 
Shader "ASESampleShaders/Sprites/UISpriteFX"
{
	Properties
	{
		[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
		_Color ("Tint", Color) = (1,1,1,1)
		[MaterialToggle] PixelSnap ("Pixel snap", Float) = 0
		[PerRendererData] _AlphaTex ("External Alpha", 2D) = "white" {}
		[Header(UI Sprite Effect Layer)]
		_RingColor("Ring Color", Color) = (0,0.3793104,1,1)
		[NoScaleOffset]_Ring("Ring", 2D) = "white" {}
		[HideInInspector]_CustomUVS("CustomUVS", Vector) = (0,0,0,0)
		_Vector1("Vector 1", Vector) = (0,0,0,0)
		[HideInInspector] _texcoord( "", 2D ) = "white" {}
	}

	SubShader
	{
		Tags
		{ 
			"Queue"="Transparent" 
			"IgnoreProjector"="True" 
			"RenderType"="Transparent" 
			"PreviewType"="Plane"
			"CanUseSpriteAtlas"="True"
			
		}

		Cull Off
		Lighting Off
		ZWrite Off
		Blend One OneMinusSrcAlpha

		
		Pass
		{
		CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			#pragma target 3.0
			#pragma multi_compile _ PIXELSNAP_ON
			#pragma multi_compile _ ETC1_EXTERNAL_ALPHA
			#include "UnityCG.cginc"
			#include "UnityShaderVariables.cginc"


			struct appdata_t
			{
				float4 vertex   : POSITION;
				float4 color    : COLOR;
				float2 texcoord : TEXCOORD0;
				UNITY_VERTEX_INPUT_INSTANCE_ID
			};

			struct v2f
			{
				float4 vertex   : SV_POSITION;
				fixed4 color    : COLOR;
				float2 texcoord  : TEXCOORD0;
				UNITY_VERTEX_OUTPUT_STEREO
			};
			
			uniform fixed4 _Color;
			uniform float _EnableExternalAlpha;
			uniform sampler2D _MainTex;
			uniform sampler2D _AlphaTex;
			uniform float4 _MainTex_ST;
			uniform float4 _RingColor;
			uniform sampler2D _Ring;
			uniform float4 _CustomUVS;
			uniform float4 _Vector1;
			
			v2f vert( appdata_t IN  )
			{
				v2f OUT;
				UNITY_SETUP_INSTANCE_ID(IN);
				UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
				
				IN.vertex.xyz +=  float3(0,0,0) ; 
				OUT.vertex = UnityObjectToClipPos(IN.vertex);
				OUT.texcoord = IN.texcoord;
				OUT.color = IN.color * _Color;
				#ifdef PIXELSNAP_ON
				OUT.vertex = UnityPixelSnap (OUT.vertex);
				#endif

				return OUT;
			}

			fixed4 SampleSpriteTexture (float2 uv)
			{
				fixed4 color = tex2D (_MainTex, uv);

#if ETC1_EXTERNAL_ALPHA
				// get the color from an external texture (usecase: Alpha support for ETC1 on android)
				fixed4 alpha = tex2D (_AlphaTex, uv);
				color.a = lerp (color.a, alpha.r, _EnableExternalAlpha);
#endif //ETC1_EXTERNAL_ALPHA

				return color;
			}
			
			fixed4 frag(v2f IN  ) : SV_Target
			{
				float2 uv_MainTex = IN.texcoord.xy * _MainTex_ST.xy + _MainTex_ST.zw;
				float4 tex2DNode30 = tex2D( _MainTex, uv_MainTex );
				float2 appendResult54 = (float2((0.0 + (uv_MainTex.x - _CustomUVS.x) * (1.0 - 0.0) / (_CustomUVS.z - _CustomUVS.x)) , (0.0 + (uv_MainTex.y - _CustomUVS.y) * (1.0 - 0.0) / (_CustomUVS.w - _CustomUVS.y))));
				float4 appendResult65 = (float4(_Vector1.x , ( _Vector1.y * _SinTime.w ) , _Vector1.z , _Vector1.w));
				float4 temp_output_57_0_g9 = appendResult65;
				float2 temp_output_2_0_g9 = (temp_output_57_0_g9).zw;
				float2 temp_cast_0 = (1.0).xx;
				float2 temp_output_13_0_g9 = ( ( ( appendResult54 + (temp_output_57_0_g9).xy ) * temp_output_2_0_g9 ) + -( ( temp_output_2_0_g9 - temp_cast_0 ) * 0.5 ) );
				float TimeVar197_g9 = _Time.y;
				float cos17_g9 = cos( TimeVar197_g9 );
				float sin17_g9 = sin( TimeVar197_g9 );
				float2 rotator17_g9 = mul( temp_output_13_0_g9 - float2( 0.5,0.5 ) , float2x2( cos17_g9 , -sin17_g9 , sin17_g9 , cos17_g9 )) + float2( 0.5,0.5 );
				float4 tex2DNode97_g9 = tex2D( _Ring, rotator17_g9 );
				float2 temp_cast_1 = (1.0).xx;
				float temp_output_115_0_g9 = step( ( (temp_output_13_0_g9).y + -0.5 ) , 0.0 );
				float lerpResult125_g9 = lerp( 1.0 , ( 1.0 - tex2DNode30.a ) , ( 1.0 - temp_output_115_0_g9 ));
				float4 lerpResult59 = lerp( tex2DNode30 , _RingColor , (( tex2DNode97_g9 * lerpResult125_g9 * tex2DNode97_g9.a )).a);
				
				fixed4 c = lerpResult59;
				c.rgb *= c.a;
				return c;
			}
		ENDCG
		}
	}
	CustomEditor "ASEMaterialInspector"
}
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