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Compress hue to RGB algorithm for rainbow tunics

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This commit is contained in:
Viktor Holta 2022-05-20 01:07:21 +02:00
commit d8661c4259
1 changed files with 11 additions and 24 deletions
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35
soh/src/code/z_player_lib.c
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@ -753,30 +753,17 @@ void func_8008F470(GlobalContext* globalCtx, void** skeleton, Vec3s* jointTable,
u16 hueDelta = CVar_GetS32("gTunic_RainbowSpeed", 1) * 36.0f / 20.0f; u16 hueDelta = CVar_GetS32("gTunic_RainbowSpeed", 1) * 36.0f / 20.0f;
CVar_SetS32("gTunic_RainbowHue", (hue + hueDelta) % 360); CVar_SetS32("gTunic_RainbowHue", (hue + hueDelta) % 360);
if (hue < 60) { u8 i = hue / 60 + 1;
color->r = 255; u8 a = (-hue / 60.0f + i) * 255;
color->g = (hue / 60.0f) * 255; u8 b = (hue / 60.0f + (1 - i)) * 255;
color->b = 0;
} else if (hue < 120) { switch (i) {
color->r = (-hue / 60.0f + 2.0f) * 255; case 1: color->r = 255; color->g = b; color->b = 0; break;
color->g = 255; case 2: color->r = a; color->g = 255; color->b = 0; break;
color->b = 0; case 3: color->r = 0; color->g = 255; color->b = b; break;
} else if (hue < 180) { case 4: color->r = 0; color->g = a; color->b = 255; break;
color->r = 0; case 5: color->r = b; color->g = 0; color->b = 255; break;
color->g = 255; case 6: color->r = 255; color->g = 0; color->b = a; break;
color->b = (hue / 60.0f - 2.0f) * 255;
} else if (hue < 240) {
color->r = 0;
color->g = (-hue / 60.0f + 4.0f) * 255;
color->b = 255;
} else if (hue < 300) {
color->r = (hue / 60.0f - 4.0f) * 255;
color->g = 0;
color->b = 255;
} else {
color->r = 255;
color->g = 0;
color->b = (-hue / 60.0f + 6.0f) * 255;
} }
} }
else if (tunic == PLAYER_TUNIC_KOKIRI) { else if (tunic == PLAYER_TUNIC_KOKIRI) {