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[csharp] Fix world-to-local and local-to-world rotation functions to account for local rotation and shearX.

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based on : 3851e201d8
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pharan 2018-10-24 23:57:49 +08:00 committed by GitHub
parent 3851e201d8
commit 8c55b1b5d0
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1 changed files with 2 additions and 1 deletions
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spine-csharp/src/Bone.cs
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@ -329,10 +329,11 @@ namespace Spine {
public float WorldToLocalRotation (float worldRotation) {
float sin = MathUtils.SinDeg(worldRotation), cos = MathUtils.CosDeg(worldRotation);
return MathUtils.Atan2(a * sin - c * cos, d * cos - b * sin) * MathUtils.RadDeg;
return MathUtils.Atan2(a * sin - c * cos, d * cos - b * sin) * MathUtils.RadDeg + rotation - shearX;
}
public float LocalToWorldRotation (float localRotation) {
localRotation -= rotation - shearX;
float sin = MathUtils.SinDeg(localRotation), cos = MathUtils.CosDeg(localRotation);
return MathUtils.Atan2(cos * c + sin * d, cos * a + sin * b) * MathUtils.RadDeg;
}