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[ts] Ported IKConstraint fix.

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badlogic 2017-05-24 17:31:33 +02:00
parent d91d1691fc
commit 087bcfc43b
4 changed files with 9965 additions and 9959 deletions
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2950
spine-ts/build/spine-webgl.d.ts vendored
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16939
spine-ts/build/spine-webgl.js
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spine-ts/build/spine-webgl.js.map
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33
spine-ts/core/src/IkConstraint.ts
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@ -171,21 +171,24 @@ module spine {
}
let minAngle = spine.MathUtils.PI, minX = l1 - a, minDist = minX * minX, minY = 0;
let maxAngle = 0, maxX = l1 + a, maxDist = maxX * maxX, maxY = 0;
let angle = Math.acos(-a * l1 / (aa - bb));
x = a * Math.cos(angle) + l1;
y = b * Math.sin(angle);
d = x * x + y * y;
if (d < minDist) {
minAngle = angle;
minDist = d;
minX = x;
minY = y;
}
if (d > maxDist) {
maxAngle = angle;
maxDist = d;
maxX = x;
maxY = y;
c = -a * l1 / (aa - bb);
if (c >= -1 && c <= 1) {
c = Math.acos(c);
x = a * Math.cos(c) + l1;
y = b * Math.sin(c);
d = x * x + y * y;
if (d < minDist) {
minAngle = c;
minDist = d;
minX = x;
minY = y;
}
if (d > maxDist) {
maxAngle = c;
maxDist = d;
maxX = x;
maxY = y;
}
}
if (dd <= (minDist + maxDist) / 2) {
a1 = ta - Math.atan2(minY * bendDir, minX);