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Update NukePaletteEffect for premultiplied alpha.

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This commit is contained in:
Paul Chote
2015-05-24 17:41:08 +01:00
parent 2cc125a3fa
commit 322285ef66
2 changed files with 16 additions and 2 deletions
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6
OpenRA.Mods.Common/Traits/PaletteEffects/NukePaletteEffect.cs
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@@ -15,6 +15,8 @@ using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
using GUtil = OpenRA.Graphics.Util;
[Desc("Apply palette full screen rotations during atom bomb explosions. Add this to the world actor.")]
class NukePaletteEffectInfo : TraitInfo<NukePaletteEffect> { }
@@ -46,8 +48,8 @@ namespace OpenRA.Mods.Common.Traits
for (var x = 0; x < Palette.Size; x++)
{
var orig = pal.Value.GetColor(x);
var white = Color.FromArgb(orig.A, 255, 255, 255);
pal.Value.SetColor(x, Exts.ColorLerp(frac, orig, white));
var final = GUtil.PremultipliedColorLerp(frac, orig, GUtil.PremultiplyAlpha(Color.FromArgb(orig.A, Color.White)));
pal.Value.SetColor(x, final);
}
}
}