Unity Shader--logo Flashing

Finally found a practical effect, let's take it out for you to share.

1Shader "Custom/logoblink" {2 Properties {3_maintex ("Base (RGB)", 2D) = "White" {}4         5_blinkcolor ("Blink color", color) = (1,1,1,1)6_blinkwidth ("Blink Width", range (0, 1)) = 0.27_looptime ("Looping Time", Range (0,10)) = 18_interval ("Time Interval", Range (0,10)) = 29     }Ten Subshader { OneTags {"Rendertype" = "Opaque" } ALOD 200 -          - Cgprogram the #pragma surface surf Lambert -  - sampler2d _maintex; - float4 _blinkcolor; +         float_blinkwidth; -         float_looptime; +         float_interval; A          at  - struct Input { - float2 Uv_maintex; -         }; -          -         floatBlink (float2 UV) in         { -          to             floatCurtime = _time.y;//Current Time +             floatTotalTime = _looptime +_interval; -             floatCurinittime = (int) (_time.y/totaltime) * totaltime;//Current Start time the              *             floatPassedtime = _time.y-curinittime-_interval; $             Panax Notoginseng             if(Passedtime <= 0.0) -                 return0.0; the             Else +             { A             floatPassedtimepercent = (passedtime)/_looptime; the              +              -             floatBottomPoint1 = passedtimepercent* (_blinkwidth + 1);//Base point 1 $             floatBottomPoint2 = BottomPoint1-_blinkwidth;//Base point 2 $             //The default is a 45-degree angle, so you don't need to compute too much -              -             floatTemp1 = BottomPoint1-uv.y; the             floatTemp2 = Temp1-(_blinkwidth*0.5); -             Wuyi              the             if(uv.x > Temp1 | | uv.x < temp1-_blinkwidth) -                 return0.0; Wu             Else -             { About             return1.0-abs ((TEMP1-UV.X-TEMP2)/temp2); $             } -             } -         } -          A  +         voidSurf (Input in, InOut surfaceoutput o) { theHalf4 C =tex2d (_maintex, In.uv_maintex); -             floatBrightness =Blink (In.uv_maintex); $              theO.albedo = C.rgb + (Brightness *_blinkcolor.rgb); theO.alpha =C.A; the         } the ENDCG -          in     }  theFallBack "Diffuse" the}

View Code

There is not much difficulty, there is a creative part, is the division of the implementation of the count. (Is this a trick to be forced out?) >_<)

Precautions:

The 1.UV coordinate origin is the lower-left corner.

2. Unlike the C language, where a branch has a return, it must be explicitly written in the Else section.

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Unity Shader--logo Flashing