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inventory ui transition wip

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minjaesong
2020-08-30 16:09:42 +09:00
parent dd1989320d
commit 7a58cf9edb
30 changed files with 415 additions and 217 deletions
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15
src/net/torvald/terrarum/ui/UIUtils.kt
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@@ -8,6 +8,17 @@ import net.torvald.terrarum.sqr
object UIUtils {
fun moveQuick(start: Float, end: Float, timer: Float, duration: Float) =
(start - end) * ((timer / duration) - 1).sqr() + end
fun moveLinear(start: Float, end: Float, timer: Float, duration: Float) =
(start - end) * (1 - (timer / duration)) + end
fun moveLinear(start: Float, end: Float, timer: Float, duration: Float): Float {
val scale = timer / duration
if (start == end) {
return start
}
if (scale <= 0f) {
return start
}
if (scale >= 1f) {
return end
}
return ((1f - scale) * start) + (scale * end)
}
}