RoApp/Assets/Shaders/UI/UISequenceFrame.shader

// Made with Amplify Shader Editor
// Available at the Unity Asset Store - http://u3d.as/y3X 
Shader "RO/UI_Effect_01"
{
	Properties
	{
		[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
		_Color ("Tint", Color) = (1,1,1,1)
		
		_StencilComp ("Stencil Comparison", Float) = 8
		_Stencil ("Stencil ID", Float) = 0
		_StencilOp ("Stencil Operation", Float) = 0
		_StencilWriteMask ("Stencil Write Mask", Float) = 255
		_StencilReadMask ("Stencil Read Mask", Float) = 255

		_ColorMask ("Color Mask", Float) = 15

		[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
		_UV_Animation("UV_Animation", Vector) = (1,1,1,1)

	}

	SubShader
	{
		LOD 0

		Tags { "Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent" "PreviewType"="Plane" "CanUseSpriteAtlas"="True" }
		
		Stencil
		{
			Ref [_Stencil]
			ReadMask [_StencilReadMask]
			WriteMask [_StencilWriteMask]
			CompFront [_StencilComp]
			PassFront [_StencilOp]
			FailFront Keep
			ZFailFront Keep
			CompBack Always
			PassBack Keep
			FailBack Keep
			ZFailBack Keep
		}


		Cull Off
		Lighting Off
		ZWrite Off
		ZTest [unity_GUIZTestMode]
		Blend SrcAlpha OneMinusSrcAlpha
		ColorMask [_ColorMask]

		
		Pass
		{
			Name "Default"
		CGPROGRAM
			
			#pragma vertex vert
			#pragma fragment frag
			#pragma target 3.0

			#include "UnityCG.cginc"
			#include "UnityUI.cginc"

			#pragma multi_compile __ UNITY_UI_CLIP_RECT
			#pragma multi_compile __ UNITY_UI_ALPHACLIP
			
			#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;
				half2 texcoord  : TEXCOORD0;
				float4 worldPosition : TEXCOORD1;
				UNITY_VERTEX_INPUT_INSTANCE_ID
				UNITY_VERTEX_OUTPUT_STEREO
				
			};
			
			uniform fixed4 _Color;
			uniform fixed4 _TextureSampleAdd;
			uniform float4 _ClipRect;
			uniform sampler2D _MainTex;
			uniform float4 _UV_Animation;

			
			v2f vert( appdata_t IN  )
			{
				v2f OUT;
				UNITY_SETUP_INSTANCE_ID( IN );
                UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(OUT);
				UNITY_TRANSFER_INSTANCE_ID(IN, OUT);
				OUT.worldPosition = IN.vertex;
				
				
				OUT.worldPosition.xyz +=  float3( 0, 0, 0 ) ;
				OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);

				OUT.texcoord = IN.texcoord;
				
				OUT.color = IN.color * _Color;
				return OUT;
			}

			fixed4 frag(v2f IN  ) : SV_Target
			{
				float2 uv03 = IN.texcoord.xy * float2( 1,1 ) + float2( 0,0 );
				// *** BEGIN Flipbook UV Animation vars ***
				// Total tiles of Flipbook Texture
				float fbtotaltiles4 = _UV_Animation.x * _UV_Animation.y;
				// Offsets for cols and rows of Flipbook Texture
				float fbcolsoffset4 = 1.0f / _UV_Animation.x;
				float fbrowsoffset4 = 1.0f / _UV_Animation.y;
				// Speed of animation
				float fbspeed4 = _Time.y * _UV_Animation.z;
				// UV Tiling (col and row offset)
				float2 fbtiling4 = float2(fbcolsoffset4, fbrowsoffset4);
				// UV Offset - calculate current tile linear index, and convert it to (X * coloffset, Y * rowoffset)
				// Calculate current tile linear index
				float fbcurrenttileindex4 = round( fmod( fbspeed4 + _UV_Animation.w, fbtotaltiles4) );
				fbcurrenttileindex4 += ( fbcurrenttileindex4 < 0) ? fbtotaltiles4 : 0;
				// Obtain Offset X coordinate from current tile linear index
				float fblinearindextox4 = round ( fmod ( fbcurrenttileindex4, _UV_Animation.x ) );
				// Multiply Offset X by coloffset
				float fboffsetx4 = fblinearindextox4 * fbcolsoffset4;
				// Obtain Offset Y coordinate from current tile linear index
				float fblinearindextoy4 = round( fmod( ( fbcurrenttileindex4 - fblinearindextox4 ) / _UV_Animation.x, _UV_Animation.y ) );
				// Reverse Y to get tiles from Top to Bottom
				fblinearindextoy4 = (int)(_UV_Animation.y-1) - fblinearindextoy4;
				// Multiply Offset Y by rowoffset
				float fboffsety4 = fblinearindextoy4 * fbrowsoffset4;
				// UV Offset
				float2 fboffset4 = float2(fboffsetx4, fboffsety4);
				// Flipbook UV
				half2 fbuv4 = uv03 * fbtiling4 + fboffset4;
				// *** END Flipbook UV Animation vars ***
				
				half4 color = ( _Color * tex2D( _MainTex, fbuv4 ) );
				
				#ifdef UNITY_UI_CLIP_RECT
                color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
                #endif
				
				#ifdef UNITY_UI_ALPHACLIP
				clip (color.a - 0.001);
				#endif

				return color;
			}
		ENDCG
		}
	}
	CustomEditor "ASEMaterialInspector"
	
	
}
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