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utilities:: lerp

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This commit is contained in:
Zeno Rogue 2019-07-28 11:13:00 +02:00
parent cfbabcff80
commit 7ba8b2d680
1 changed files with 8 additions and 0 deletions

8
util.cpp

@ -100,6 +100,14 @@ ld frac(ld x) {
return x;
}
ld lerp(ld a0, ld a1, ld x) {
return a0 + (a1-a0) * x;
}
ld ilerp(ld a0, ld a1, ld x) {
return (x-a0) / (a1-a0);
}
// debug utilities
#if CAP_PROFILING