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Hajime Hoshi 2023-08-31 11:50:15 +09:00
parent 009fb504ed
commit ad2d8977b6
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gameforui.go
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@ -45,7 +45,7 @@ func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
// rate indicates how much the 4 colors are mixed. rate is in between [0, 1]. // rate indicates how much the 4 colors are mixed. rate is in between [0, 1].
// //
// 0 <= p <= 1/scale: The rate is in between [0, 1] // 0 <= p <= 1/scale: The rate is in between [0, 1]
// 1/scale < p: Don't care. Adjacent colors (e.g. c0 vs c1 in an X direction) should be the same. // 1/scale < p: 1
scale := imageDstSize()/imageSrc0Size() scale := imageDstSize()/imageSrc0Size()
rate := clamp(p*scale, 0, 1) rate := clamp(p*scale, 0, 1)
return mix(mix(c0, c1, rate.x), mix(c2, c3, rate.x), rate.y) return mix(mix(c0, c1, rate.x), mix(c2, c3, rate.x), rate.y)