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[csharp] Port of commits 1b49736 and df489b1. "Fixed path constraint spacing for zero length bones."

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This commit is contained in:
Harald Csaszar 2020-11-24 17:58:33 +01:00
parent df489b1f4a
commit 5d64ad3776
1 changed files with 20 additions and 14 deletions
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34
spine-csharp/src/PathConstraint.cs
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@ -84,6 +84,11 @@ namespace Spine {
mixY = constraint.mixY;
}
public static void ArraysFill (float[] a, int fromIndex, int toIndex, float val) {
for (int i = fromIndex; i < toIndex; i++)
a[i] = val;
}
public void Update () {
PathAttachment attachment = target.Attachment as PathAttachment;
if (attachment == null) return;
@ -99,20 +104,19 @@ namespace Spine {
float spacing = this.spacing;
switch (data.spacingMode) {
case SpacingMode.Percent:
for (int i = 0, n = spacesCount - 1; i < n;) {
Bone bone = bonesItems[i];
float setupLength = bone.data.length;
if (setupLength < PathConstraint.Epsilon) {
if (scale) lengths[i] = 0;
spaces[++i] = 0;
} else {
if (scale) {
if (scale) {
for (int i = 0, n = spacesCount - 1; i < n; i++) {
Bone bone = bonesItems[i];
float setupLength = bone.data.length;
if (setupLength < PathConstraint.Epsilon)
lengths[i] = 0;
else {
float x = setupLength * bone.a, y = setupLength * bone.c;
lengths[i] = (float)Math.Sqrt(x * x + y * y);
}
spaces[++i] = spacing;
}
}
ArraysFill(spaces, 1, spacesCount, spacing);
break;
case SpacingMode.Proportional: {
float sum = 0;
@ -121,7 +125,7 @@ namespace Spine {
float setupLength = bone.data.length;
if (setupLength < PathConstraint.Epsilon) {
if (scale) lengths[i] = 0;
spaces[++i] = 0;
spaces[++i] = spacing;
} else {
float x = setupLength * bone.a, y = setupLength * bone.c;
float length = (float)Math.Sqrt(x * x + y * y);
@ -130,9 +134,11 @@ namespace Spine {
sum += length;
}
}
sum = spacesCount / sum * spacing;
for (int i = 1; i < spacesCount; i++)
spaces[i] *= sum;
if (sum > 0) {
sum = spacesCount / sum * spacing;
for (int i = 1; i < spacesCount; i++)
spaces[i] *= sum;
}
break;
}
default: {
@ -143,7 +149,7 @@ namespace Spine {
float setupLength = bone.data.length;
if (setupLength < PathConstraint.Epsilon) {
if (scale) lengths[i] = 0;
spaces[++i] = 0;
spaces[++i] = spacing;
}
else {
float x = setupLength * bone.a, y = setupLength * bone.c;