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[ts] 4.3 From/To properties scale and unscale using skeleton.scaleX/Y.

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This commit is contained in:
Davide Tantillo 2025-06-25 15:15:14 +02:00
parent 71a2d90839
commit 6747034d5a
1 changed files with 23 additions and 19 deletions
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42
spine-ts/spine-core/src/TransformConstraintData.ts
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@ -177,13 +177,13 @@ export abstract class ToProperty {
export class FromRotate extends FromProperty {
value (skeleton: Skeleton, source: BonePose, local: boolean, offsets: Array<number>): number {
if (local) return source.rotation + offsets[TransformConstraintData.ROTATION];
let value = Math.atan2(source.c / skeleton.scaleY, source.a / skeleton.scaleX) * MathUtils.radDeg
+ (source.a * source.d - source.b * source.c > 0 ? offsets[TransformConstraintData.ROTATION] : -offsets[TransformConstraintData.ROTATION]) * Skeleton.yDir;
const a = source.a / skeleton.scaleX, b = source.b / skeleton.scaleX, c = source.c / skeleton.scaleY, d = source.d / skeleton.scaleY;
let value = Math.atan2(c, a) * MathUtils.radDeg
+ ((a * d - b * c) > 0 ? offsets[TransformConstraintData.ROTATION] : -offsets[TransformConstraintData.ROTATION]);
if (value < 0) value += 360;
return value;
}
}
export class ToRotate extends ToProperty {
mix (pose: TransformConstraintPose): number {
return pose.mixRotate;
@ -194,8 +194,8 @@ export class ToRotate extends ToProperty {
if (!additive) value -= bone.rotation;
bone.rotation += value * pose.mixRotate;
} else {
const a = bone.a, b = bone.b, c = bone.c, d = bone.d;
value *= MathUtils.degRad * Skeleton.yDir;
const a = bone.a / skeleton.scaleX, b = bone.b / skeleton.scaleX, c = bone.c / skeleton.scaleY, d = bone.d / skeleton.scaleY;
value *= MathUtils.degRad;
if (!additive) value -= Math.atan2(c, a);
if (value > MathUtils.PI)
value -= MathUtils.PI2;
@ -203,10 +203,10 @@ export class ToRotate extends ToProperty {
value += MathUtils.PI2;
value *= pose.mixRotate;
const cos = Math.cos(value), sin = Math.sin(value);
bone.a = cos * a - sin * c;
bone.b = cos * b - sin * d;
bone.c = sin * a + cos * c;
bone.d = sin * b + cos * d;
bone.a = (cos * a - sin * c) * skeleton.scaleX;
bone.b = (cos * b - sin * d) * skeleton.scaleX;
bone.c = (sin * a + cos * c) * skeleton.scaleY;
bone.d = (sin * b + cos * d) * skeleton.scaleY;
}
}
}
@ -230,7 +230,7 @@ export class ToX extends ToProperty {
bone.x += value * pose.mixX;
} else {
if (!additive) value -= bone.worldX;
bone.worldX += value * pose.mixX;
bone.worldX = (bone.worldX + value * pose.mixX) * skeleton.scaleX;
}
}
}
@ -253,8 +253,8 @@ export class ToY extends ToProperty {
if (!additive) value -= bone.y;
bone.y += value * pose.mixY;
} else {
if (!additive) value -= Skeleton.yDir * bone.worldY;
bone.worldY += Skeleton.yDir * value * pose.mixY;
if (!additive) value -= bone.worldY;
bone.worldY = (bone.worldY + value * pose.mixY) * skeleton.scaleY;
}
}
}
@ -283,7 +283,9 @@ export class ToScaleX extends ToProperty {
if (additive)
s = 1 + (value - 1) * pose.mixScaleX;
else {
s = Math.sqrt(bone.a * bone.a + bone.c * bone.c) / skeleton.scaleX;
const a = bone.a / skeleton.scaleX;
const c = bone.c / skeleton.scaleY;
s = Math.sqrt(a * a + c * c);
if (s != 0) s = 1 + (value / s - 1) * pose.mixScaleX;
}
bone.a *= s;
@ -316,7 +318,9 @@ export class ToScaleY extends ToProperty {
if (additive)
s = 1 + (value - 1) * pose.mixScaleY;
else {
s = Math.sqrt(bone.b * bone.b + bone.d * bone.d) / skeleton.scaleY * Skeleton.yDir;
const b = bone.b / skeleton.scaleX;
const d = bone.d / skeleton.scaleY;
s = Math.sqrt(b * b + d * d);
if (s != 0) s = 1 + (value / s - 1) * pose.mixScaleY;
}
bone.b *= s;
@ -344,12 +348,12 @@ export class ToShearY extends ToProperty {
if (!additive) value -= bone.shearY;
bone.shearY += value * pose.mixShearY;
} else {
const b = bone.b, d = bone.d, by = Math.atan2(d, b);
value = (value + 90) * MathUtils.degRad * Skeleton.yDir;
const b = bone.b / skeleton.scaleX, d = bone.d / skeleton.scaleY, by = Math.atan2(d, b);
value = (value + 90) * MathUtils.degRad;
if (additive)
value -= MathUtils.PI / 2;
else {
value -= by - Math.atan2(bone.c, bone.a);
value -= by - Math.atan2(bone.c / skeleton.scaleY, bone.a / skeleton.scaleX);
if (value > MathUtils.PI)
value -= MathUtils.PI2;
else if (value < -MathUtils.PI)
@ -357,8 +361,8 @@ export class ToShearY extends ToProperty {
}
value = by + value * pose.mixShearY;
const s = Math.sqrt(b * b + d * d);
bone.b = Math.cos(value) * s;
bone.d = Math.sin(value) * s;
bone.b = Math.cos(value) * s * skeleton.scaleX;
bone.d = Math.sin(value) * s * skeleton.scaleY;
}
}
}