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Fixed NaN when entire path or individual curve lengths are zero, eg when scaled to zero.

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This commit is contained in:
NathanSweet 2016-09-15 13:16:31 +02:00
parent dfe8e3b826
commit cd982be60b
1 changed files with 1 additions and 1 deletions
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spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
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@ -372,7 +372,7 @@ public class PathConstraint implements Constraint {
private void addCurvePosition (float p, float x1, float y1, float cx1, float cy1, float cx2, float cy2, float x2, float y2,
float[] out, int o, boolean tangents) {
if (p == 0) p = 0.0001f;
if (p == 0 || Float.isNaN(p)) p = 0.0001f;
float tt = p * p, ttt = tt * p, u = 1 - p, uu = u * u, uuu = uu * u;
float ut = u * p, ut3 = ut * 3, uut3 = u * ut3, utt3 = ut3 * p;
float x = x1 * uuu + cx1 * uut3 + cx2 * utt3 + x2 * ttt, y = y1 * uuu + cy1 * uut3 + cy2 * utt3 + y2 * ttt;