Unity——通过Shader 制作精灵动画，瀑布(unityshader)

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//精灵动画

Shader "zhaoguanghui/spriteAction" {

Properties { _MainTex ("Base (RGB)", 2D) = "white" {} _TexWidth ("Sheet Width", float) = 0.0 _CellAmount ("Cell Amount", float) = 0.0 _Speed ("Speed", Range(0., )) = .0 } SubShader { Tags { "RenderType"="Opaque" } LOD 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 sampler2D _MainTex; float _TexWidth; float _CellAmount; fixed _Speed; struct Input { float2 uv_MainTex; }; void surf (Input IN, inout SurfaceOutputStandard o) { float2 spriteUV = IN.uv_MainTex; float cellPixelWidth = _TexWidth/_CellAmount; float cellUVPercentage = cellPixelWidth/_TexWidth; float timeVal = fmod(_Time.y * _Speed, _CellAmount); timeVal = ceil(timeVal); float xValue = spriteUV.x; xValue &#;= cellUVPercentage * timeVal * _CellAmount; xValue *= cellUVPercentage; spriteUV = float2(xValue, spriteUV.y); half4 c = tex2D (_MainTex, spriteUV); o.Albedo = c.rgb; o.Alpha = c.a; } ENDCG } FallBack "Diffuse"

}

//瀑布

Shader "zhaoguanghui/ControlUV" { Properties { _MainTint ("Diffuse Tint", Color) = (1,1,1,1) _MainTex ("Base (RGB)", 2D) = "white" {} _ScrollXSpeed ("X Scroll Speed", Range(0,)) = 2 _ScrollYSpeed ("Y Scroll Speed", Range(0,)) = 2 } SubShader { Tags { "RenderType"="Opaque" } LOD 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 fixed4 _MainTint; fixed _ScrollXSpeed; fixed _ScrollYSpeed; sampler2D _MainTex; struct Input { float2 uv_MainTex; }; void surf (Input IN, inout SurfaceOutputStandard o) { fixed2 scrolledUV = IN.uv_MainTex; fixed xScrollValue = _ScrollXSpeed * _Time; fixed yScrollValue = _ScrollYSpeed * _Time; scrolledUV &#;= fixed2(xScrollValue, yScrollValue); half4 c = tex2D (_MainTex, scrolledUV); o.Albedo = c.rgb * _MainTint; o.Alpha = c.a; } ENDCG } FallBack "Diffuse"}

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