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[csharp] Ported IKConstraint simplification, see #907

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This commit is contained in:
pharan 2017-05-24 19:28:00 +08:00
parent cb134ef279
commit a00c45f8e0
1 changed files with 3 additions and 17 deletions
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20
spine-csharp/src/IkConstraint.cs
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@ -176,25 +176,11 @@ namespace Spine {
y = (float)Math.Sqrt(dd - r * r) * bendDir;
a1 = ta - (float)Math.Atan2(y, r);
a2 = (float)Math.Atan2(y / psy, (r - l1) / psx);
goto outer;
goto outer; // break outer;
}
}
float minAngle = 0, minDist = float.MaxValue, minX = 0, minY = 0;
float maxAngle = 0, maxDist = 0, maxX = 0, maxY = 0;
x = l1 + a;
d = x * x;
if (d > maxDist) {
maxAngle = 0;
maxDist = d;
maxX = x;
}
x = l1 - a;
d = x * x;
if (d < minDist) {
minAngle = (float)Math.PI;
minDist = d;
minX = x;
}
float minAngle = MathUtils.PI, minX = l1 - a, minDist = minX * minX, minY = 0;
float maxAngle = 0, maxX = l1 + a, maxDist = maxX * maxX, maxY = 0;
float angle = (float)Math.Acos(-a * l1 / (aa - bb));
x = a * (float)Math.Cos(angle) + l1;
y = b * (float)Math.Sin(angle);