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Add WAngle.Lerp function.

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This commit is contained in:
Paul Chote
2016-08-07 19:28:28 +01:00
parent 90ab5023a6
commit 1f2824e614
1 changed files with 14 additions and 0 deletions
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14
OpenRA.Game/WAngle.cs
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@@ -64,6 +64,20 @@ namespace OpenRA
return new WAngle(Angle - 512).Tan(); return new WAngle(Angle - 512).Tan();
} }
public static WAngle Lerp(WAngle a, WAngle b, int mul, int div)
{
// Map 1024 <-> 0 wrapping into linear space
var aa = a.Angle;
var bb = b.Angle;
if (aa > bb && aa - bb > 512)
aa -= 1024;
if (bb > aa && bb - aa > 512)
bb -= 1024;
return new WAngle(aa + (bb - aa) * mul / div);
}
public static WAngle ArcTan(int y, int x) { return ArcTan(y, x, 1); } public static WAngle ArcTan(int y, int x) { return ArcTan(y, x, 1); }
public static WAngle ArcTan(int y, int x, int stride) public static WAngle ArcTan(int y, int x, int stride)
{ {