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Use WAngle.ArcTan in Traits.Util.GetFacing.

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This commit is contained in:
Paul Chote
2013-07-22 22:11:58 +12:00
parent e08445f762
commit b50ba0bfb9
2 changed files with 11 additions and 65 deletions
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5
OpenRA.FileFormats/WAngle.cs
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@@ -67,7 +67,8 @@ namespace OpenRA
return new WAngle(Angle - 512).Tan();
}
public static WAngle ArcTan(int y, int x)
public static WAngle ArcTan(int y, int x) { return ArcTan(y, x, 1); }
public static WAngle ArcTan(int y, int x, int stride)
{
if (y == 0)
return new WAngle(x >= 0 ? 0 : 512);
@@ -81,7 +82,7 @@ namespace OpenRA
// Find the closest angle that satisfies y = x*tan(theta)
var bestVal = int.MaxValue;
var bestAngle = 0;
for (var i = 0; i < 256; i++)
for (var i = 0; i < 256; i+= stride)
{
var val = Math.Abs(1024*ay - ax*TanTable[i]);
if (val < bestVal)