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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, 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) { 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 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 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; float x = x1 * uuu + cx1 * uut3 + cx2 * utt3 + x2 * ttt, y = y1 * uuu + cy1 * uut3 + cy2 * utt3 + y2 * ttt;