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Fixed path constraint crash.

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This commit is contained in:
NathanSweet 2016-06-08 16:19:49 +02:00
parent b3f84390c5
commit 3511d7664b
1 changed files with 7 additions and 8 deletions
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15
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PathConstraint.java
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@ -19,9 +19,9 @@ public class PathConstraint implements Updatable {
Slot target;
float position, spacing, rotateMix, translateMix;
final FloatArray spaces = new FloatArray(), positions = new FloatArray();
final FloatArray world = new FloatArray(), curves = new FloatArray(), lengths = new FloatArray();
final float[] segments = new float[10];
private final FloatArray spaces = new FloatArray(), positions = new FloatArray();
private final FloatArray world = new FloatArray(), curves = new FloatArray(), lengths = new FloatArray();
private final float[] segments = new float[10];
public PathConstraint (PathConstraintData data, Skeleton skeleton) {
if (data == null) throw new IllegalArgumentException("data cannot be null.");
@ -67,17 +67,16 @@ public class PathConstraint implements Updatable {
PathConstraintData data = this.data;
Object[] bones = this.bones.items;
int boneCount = this.bones.size;
SpacingMode spacingMode = data.spacingMode;
RotateMode rotateMode = data.rotateMode;
boolean tangents = rotateMode == RotateMode.tangent, scale = rotateMode == RotateMode.chainScale;
boolean lengthSpacing = spacingMode == SpacingMode.length;
int spacesCount = tangents ? boneCount : boneCount + 1;
int boneCount = this.bones.size, spacesCount = tangents ? boneCount : boneCount + 1;
float[] spaces = this.spaces.setSize(spacesCount), lengths = null;
float spacing = this.spacing;
if (scale || lengthSpacing) {
if (scale) lengths = this.lengths.setSize(boneCount);
for (int i = 0; i < boneCount;) {
for (int i = 0, n = spacesCount - 1; i < n;) {
Bone bone = (Bone)bones[i];
float length = bone.data.length, x = length * bone.a, y = length * bone.c;
length = (float)Math.sqrt(x * x + y * y);
@ -85,7 +84,7 @@ public class PathConstraint implements Updatable {
spaces[++i] = lengthSpacing ? Math.max(0, length + spacing) : spacing;
}
} else {
for (int i = 1; i <= spacesCount; i++)
for (int i = 1; i < spacesCount; i++)
spaces[i] = spacing;
}
@ -298,7 +297,7 @@ public class PathConstraint implements Updatable {
break;
}
// Curve segment lengths, 0 to 9.
// Curve segment lengths.
if (curve != lastCurve) {
lastCurve = curve;
int ii = curve * 6;