Unity shader 抖音效果(屏幕特效)

2020-09-16 14:27发布

Shader "Douyin/gt"

{

Properties

{

_MainTex ("Texture", 2D) = "white" {}

scale ("scale", float) = 1

}

SubShader

{

// No culling or depth

Cull Off ZWrite Off ZTest Always

Pass

{

CGPROGRAM

#pragma vertex vert

#pragma fragment frag

#include "UnityCG.cginc"

struct appdata

{

float4 vertex : POSITION;

float2 uv : TEXCOORD0;

};

struct v2f

{

float2 uv : TEXCOORD0;

float4 vertex : SV_POSITION;

};

v2f vert (appdata v)

{

v2f o;

o.vertex = UnityObjectToClipPos(v.vertex);

o.uv = v.uv;

return o;

}

sampler2D _MainTex;

float scale;

fixed4 frag (v2f i) : SV_Target

{

float2 textureCoordinate = i.uv;

float2 newTextureCoordinate = float2((scale - 1.0) *0.5 + textureCoordinate.x / scale ,(scale - 1.0) *0.5 + textureCoordinate.y /scale);

fixed4 textureColor = tex2D(_MainTex, newTextureCoordinate);

fixed4 shiftColor1 = tex2D(_MainTex, newTextureCoordinate+float2(-0.05 * (scale - 1.0), - 0.05 *(scale - 1.0)));

fixed4 shiftColor2 = tex2D(_MainTex, newTextureCoordinate+float2(-0.1 * (scale - 1.0), - 0.1 *(scale - 1.0)));

fixed3 blendFirstColor = fixed3(textureColor.r , textureColor.g, shiftColor1.b);

fixed3 blend3DColor = fixed3(shiftColor2.r, blendFirstColor.g, blendFirstColor.b);

return fixed4(blend3DColor, textureColor.a);

}

ENDCG

}

}

}

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作者:unity游侠

链接:https://blog.csdn.net/y90o08u28/article/details/87275090

来源:CSDN
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