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examples/shader: bug fix: normalize pos correctly

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Hajime Hoshi 2023-04-17 22:36:31 +09:00
parent 820548ed68
commit bf18a5e998
1 changed files with 2 additions and 2 deletions
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4
examples/shader/default.go
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@ -21,8 +21,8 @@ var Cursor vec2
var ScreenSize vec2
func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
dstOrigin, _ := imageDstRegionOnTexture()
pos := (position.xy - dstOrigin) / 1024
dstOrigin, dstSize := imageDstRegionOnTexture()
pos := (position.xy/imageDstTextureSize() - dstOrigin) / dstSize
pos += Cursor / ScreenSize / 4
clr := 0.0
clr += sin(pos.x*cos(Time/15)*80) + cos(pos.y*cos(Time/15)*10)