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[libgdx] Fixed some physics constraint behavior when strength is 0.

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This commit is contained in:
Nathan Sweet 2023-11-21 20:59:08 -04:00
parent 92a9b88e00
commit 1fcaba8c85
1 changed files with 5 additions and 4 deletions
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9
spine-libgdx/spine-libgdx/src/com/esotericsoftware/spine/PhysicsConstraint.java
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@ -164,11 +164,12 @@ public class PhysicsConstraint implements Updatable {
if (y) bone.worldY += yOffset * mix * data.y; if (y) bone.worldY += yOffset * mix * data.y;
} }
if (rotateOrShearX || scaleX) { if (rotateOrShearX || scaleX) {
float ca = atan2(bone.c, bone.a), c, s; float ca = atan2(bone.c, bone.a), c, s, mr = 0;
if (rotateOrShearX) { if (rotateOrShearX) {
float dx = cx - bone.worldX, dy = cy - bone.worldY, r = atan2(dy + ty, dx + tx) - ca - rotateOffset * mix; mr = mix * data.rotate;
float dx = cx - bone.worldX, dy = cy - bone.worldY, r = atan2(dy + ty, dx + tx) - ca - rotateOffset * mr;
rotateOffset += (r - (float)Math.ceil(r * invPI2 - 0.5f) * PI2) * i; rotateOffset += (r - (float)Math.ceil(r * invPI2 - 0.5f) * PI2) * i;
r = rotateOffset * mix + ca; r = rotateOffset * mr + ca;
c = cos(r); c = cos(r);
s = sin(r); s = sin(r);
if (scaleX) { if (scaleX) {
@ -197,7 +198,7 @@ public class PhysicsConstraint implements Updatable {
rotateOffset += rotateVelocity * step; rotateOffset += rotateVelocity * step;
rotateVelocity *= d; rotateVelocity *= d;
if (remaining < step) break; if (remaining < step) break;
float r = rotateOffset * mix + ca; float r = rotateOffset * mr + ca;
c = cos(r); c = cos(r);
s = sin(r); s = sin(r);
} else if (remaining < step) // } else if (remaining < step) //