diff --git a/spine-ts/assets/skeleton-scale.atlas b/spine-ts/assets/skeleton-scale.atlas
deleted file mode 100644
index 17b724910..000000000
--- a/spine-ts/assets/skeleton-scale.atlas
+++ /dev/null
@@ -1,16 +0,0 @@
-skeleton-scale.png
-size:565,275
-filter:Linear,Linear
-pma:true
-eye-indifferent
-bounds:404,16,93,89
-goggles
-bounds:302,107,261,166
-head
-bounds:2,2,271,298
-rotate:90
-mouth-smile
-bounds:499,12,93,59
-rotate:90
-square
-bounds:302,5,100,100
diff --git a/spine-ts/assets/skeleton-scale.png b/spine-ts/assets/skeleton-scale.png
deleted file mode 100644
index ffe357a90..000000000
Binary files a/spine-ts/assets/skeleton-scale.png and /dev/null differ
diff --git a/spine-ts/assets/skeleton-scale.skel b/spine-ts/assets/skeleton-scale.skel
deleted file mode 100644
index f8d1da830..000000000
Binary files a/spine-ts/assets/skeleton-scale.skel and /dev/null differ
diff --git a/spine-ts/spine-core/src/TransformConstraintData.ts b/spine-ts/spine-core/src/TransformConstraintData.ts
index 64685cd2f..da4d6ad19 100644
--- a/spine-ts/spine-core/src/TransformConstraintData.ts
+++ b/spine-ts/spine-core/src/TransformConstraintData.ts
@@ -177,25 +177,25 @@ 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];
-		const sx = skeleton.scaleX, sy = skeleton.scaleY, a = source.a / sx, c = source.c / sy;
-		let value = Math.atan2(c, a) * MathUtils.radDeg
-			+ ((a * source.d / sy - source.b * c / sx) > 0 ? offsets[TransformConstraintData.ROTATION] : -offsets[TransformConstraintData.ROTATION]);
+		const sx = skeleton.scaleX, sy = skeleton.scaleY;
+		let value = Math.atan2(source.c / sy, source.a / sx) * MathUtils.radDeg
+			+ ((source.a * source.d - source.b * source.c) * sx * sy > 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;
 	}
 
 	apply (skeleton: Skeleton, pose: TransformConstraintPose, bone: BonePose, value: number, local: boolean, additive: boolean): void {
-		if (local) {
-			if (!additive) value -= bone.rotation;
-			bone.rotation += value * pose.mixRotate;
-		} else {
-			const sx = skeleton.scaleX, sy = skeleton.scaleY;
-			const a = bone.a / sx, b = bone.b / sx, c = bone.c / sy, d = bone.d / sy;
+		if (local)
+			bone.rotation += (additive ? value : value - bone.rotation) * pose.mixRotate;
+		else {
+			const sx = skeleton.scaleX, sy = skeleton.scaleY, ix = 1 / sx, iy = 1 / sy;
+			const a = bone.a * ix, b = bone.b * ix, c = bone.c * iy, d = bone.d * iy;
 			value *= MathUtils.degRad;
 			if (!additive) value -= Math.atan2(c, a);
 			if (value > MathUtils.PI)
@@ -226,10 +226,9 @@ export class ToX extends ToProperty {
 	}
 
 	apply (skeleton: Skeleton, pose: TransformConstraintPose, bone: BonePose, value: number, local: boolean, additive: boolean): void {
-		if (local) {
-			if (!additive) value -= bone.x;
-			bone.x += value * pose.mixX;
-		} else {
+		if (local)
+			bone.x += (additive ? value : value - bone.x) * pose.mixX;
+		else {
 			if (!additive) value -= bone.worldX / skeleton.scaleX;
 			bone.worldX += value * pose.mixX * skeleton.scaleX;
 		}
@@ -250,10 +249,9 @@ export class ToY extends ToProperty {
 	}
 
 	apply (skeleton: Skeleton, pose: TransformConstraintPose, bone: BonePose, value: number, local: boolean, additive: boolean): void {
-		if (local) {
-			if (!additive) value -= bone.y;
-			bone.y += value * pose.mixY;
-		} else {
+		if (local)
+			bone.y += (additive ? value : value - bone.y) * pose.mixY;
+		else {
 			if (!additive) value -= bone.worldY / skeleton.scaleY;
         	bone.worldY += value * pose.mixY * skeleton.scaleY;
 		}
@@ -276,20 +274,20 @@ export class ToScaleX extends ToProperty {
 	apply (skeleton: Skeleton, pose: TransformConstraintPose, bone: BonePose, value: number, local: boolean, additive: boolean): void {
 		if (local) {
 			if (additive)
-				bone.scaleX *= 1 + ((value - 1) * pose.mixScaleX);
+				bone.scaleX *= 1 + (value - 1) * pose.mixScaleX;
 			else if (bone.scaleX != 0) //
-				bone.scaleX = 1 + (value / bone.scaleX - 1) * pose.mixScaleX;
-		} else {
-			let s: number;
-			if (additive)
-				s = 1 + (value - 1) * pose.mixScaleX;
-			else {
-				const a = bone.a / skeleton.scaleX, c = bone.c / skeleton.scaleY;
-				s = Math.sqrt(a * a + c * c);
-				if (s != 0) s = 1 + (value / s - 1) * pose.mixScaleX;
-			}
+				bone.scaleX += (value - bone.scaleX) * pose.mixScaleX;
+		} else if (additive) {
+			const s = 1 + (value - 1) * pose.mixScaleX;
 			bone.a *= s;
 			bone.c *= s;
+		} else {
+			let a = bone.a / skeleton.scaleX, c = bone.c / skeleton.scaleY, s = Math.sqrt(a * a + c * c);
+			if (s != 0) {
+				s = 1 + (value - s) * pose.mixScaleX / s;
+				bone.a *= s;
+				bone.c *= s;
+			}
 		}
 	}
 }
@@ -310,20 +308,20 @@ export class ToScaleY extends ToProperty {
 	apply (skeleton: Skeleton, pose: TransformConstraintPose, bone: BonePose, value: number, local: boolean, additive: boolean): void {
 		if (local) {
 			if (additive)
-				bone.scaleY *= 1 + ((value - 1) * pose.mixScaleY);
+				bone.scaleY *= 1 + (value - 1) * pose.mixScaleY;
 			else if (bone.scaleY != 0) //
-				bone.scaleY = 1 + (value / bone.scaleY - 1) * pose.mixScaleY;
-		} else {
-			let s: number;
-			if (additive)
-				s = 1 + (value - 1) * pose.mixScaleY;
-			else {
-				const b = bone.b / skeleton.scaleX, d = bone.d / skeleton.scaleY;
-				s = Math.sqrt(b * b + d * d);
-				if (s != 0) s = 1 + (value / s - 1) * pose.mixScaleY;
-			}
+				bone.scaleY += (value - bone.scaleY) * pose.mixScaleY;
+		} else if (additive) {
+			const s = 1 + (value - 1) * pose.mixScaleY;
 			bone.b *= s;
 			bone.d *= s;
+		} else {
+			let b = bone.b / skeleton.scaleX, d = bone.d / skeleton.scaleY, s = Math.sqrt(b * b + d * d);
+			if (s != 0) {
+				s = 1 + (value - s) * pose.mixScaleY / s;
+				bone.b *= s;
+				bone.d *= s;
+			}
 		}
 	}
 }
@@ -331,9 +329,8 @@ export class ToScaleY extends ToProperty {
 export class FromShearY extends FromProperty {
 	value (skeleton: Skeleton, source: BonePose, local: boolean, offsets: Array<number>): number {
 		if (local) return source.shearY + offsets[TransformConstraintData.SHEARY];
-		const sx = 1 / skeleton.scaleX, sy = 1 / skeleton.scaleY;
-		return (Math.atan2(source.d * sy, source.b * sx) - Math.atan2(source.c * sy, source.a * sx))
-			* MathUtils.radDeg - 90 + offsets[TransformConstraintData.SHEARY];
+		const ix = 1 / skeleton.scaleX, iy = 1 / skeleton.scaleY;
+		return (Math.atan2(source.d * iy, source.b * ix) - Math.atan2(source.c * iy, source.a * ix)) * MathUtils.radDeg - 90 + offsets[TransformConstraintData.SHEARY];
 	}
 }
 
diff --git a/spine-ts/spine-webgl/example/barebones3.html b/spine-ts/spine-webgl/example/barebones3.html
deleted file mode 100644
index d0dcda663..000000000
--- a/spine-ts/spine-webgl/example/barebones3.html
+++ /dev/null
@@ -1,168 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-	<meta charset="UTF-8">
-	<meta name="viewport" content="width=device-width, initial-scale=1.0">
-	<script src="https://cdn.jsdelivr.net/npm/lil-gui@0.20.0/dist/lil-gui.umd.min.js"></script>
-	<link href="https://cdn.jsdelivr.net/npm/lil-gui@0.20.0/dist/lil-gui.min.css" rel="stylesheet">
-</head>
-<script src="../dist/iife/spine-webgl.js"></script>
-<style>
-	* {
-		margin: 0;
-		padding: 0;
-	}
-</style>
-
-<body>
-	<canvas id="canvas" style="position: absolute; width: 100%; height: 100%;"></canvas>
-	<script>
-		class App {
-			constructor() {
-				this.skeleton = null;
-				this.animationState = null;
-			}
-
-			autoUpdate = true;
-
-			loadAssets(canvas) {
-				// Load the skeleton file.
-				canvas.assetManager.loadBinary("/assets/skeleton-scale.skel");
-				// Load the atlas and its pages.
-				canvas.assetManager.loadTextureAtlas("/assets/skeleton-scale.atlas");
-			}
-
-			initialize(canvas) {
-				let assetManager = canvas.assetManager;
-
-				// Create the texture atlas.
-				var atlas = assetManager.require("/assets/skeleton-scale.atlas");
-
-				// Create a AtlasAttachmentLoader that resolves region, mesh, boundingbox and path attachments
-				var atlasLoader = new spine.AtlasAttachmentLoader(atlas);
-
-				// Create a SkeletonBinary instance for parsing the .skel file.
-				var skeletonBinary = new spine.SkeletonBinary(atlasLoader);
-
-				// Set the scale to apply during parsing, parse the file, and create a new skeleton.
-				skeletonBinary.scale = .5;
-				var skeletonData = skeletonBinary.readSkeletonData(assetManager.require("/assets/skeleton-scale.skel"));
-				this.skeleton = new spine.Skeleton(skeletonData);
-				const skeleton = this.skeleton;
-
-				// Create an AnimationState, and set the "run" animation in looping mode.
-				var animationStateData = new spine.AnimationStateData(skeletonData);
-				this.animationState = new spine.AnimationState(animationStateData);
-				const tracks = this.skeleton.data.animations.map((animation, index) => {
-					const track = this.animationState.setAnimation(index, animation.name, true);
-					track.alpha = 0;
-					return track;
-				})
-
-				const myObject = {
-                    sx: 1,
-                    sy: 1,
-                    autoUpdate: this.autoUpdate,
-					track_time: 0,
-					track_scale: 1,
-                };
-
-				const gui = new lil.GUI({});
-
-				gui.add(myObject, 'autoUpdate').name('autoUpdate').onChange(value => {
-					this.autoUpdate = value;
-					this.fakeUpdate();
-				});
-                gui.add(myObject, 'sx').min(-3).max(3).step(0.1).name('sx').onChange(value => {
-					skeleton.scaleX = value;
-					this.fakeUpdate();
-				});
-                gui.add(myObject, 'sy').min(-3).max(3).step(0.1).name('sy').onChange(value => {
-					skeleton.scaleY = value;
-					this.fakeUpdate();
-				});
-
-				for (const constraint of skeleton.constraints) {
-					const name = constraint.data.name.split("-")[2];
-					const folder = gui.addFolder(constraint.data.name);
-					folder.open(false);
-					for (const mixType of Object.keys(constraint.data.setup)) {
-						const guiName = `${name}_${mixType}`;
-						myObject[guiName] = false;
-						folder.add(myObject, guiName).name(guiName).onChange(value => {
-							constraint.applied[mixType] = value ? 1 : 0;
-							this.fakeUpdate();
-						});
-					}
-				}
-
-				const folder = gui.addFolder("animations");
-				for (const track of tracks) {
-					myObject[track.animation.name] = false;
-					folder.add(myObject, track.animation.name).name(track.animation.name).onChange(value => {
-						track.alpha = value ? 1 : 0;
-						this.fakeUpdate();
-					});
-				}
-				folder.add(myObject, 'track_time').min(0).max(60).step(1).name('track_time').onChange(value => {
-					for (const track of tracks) {
-						track.trackTime = value / 30;
-					}
-					this.fakeUpdate();
-				});
-				folder.add(myObject, 'track_scale').min(0).max(2).step(0.1).name('track_scale').onChange(value => {
-					for (const track of tracks) {
-						track.timeScale = value;
-					}
-					this.fakeUpdate();
-				});
-
-
-
-
-
-
-			}
-
-			fakeUpdate() {
-				this.animationState.update(0);
-				this.animationState.apply(this.skeleton);
-				this.skeleton.updateWorldTransform(spine.Physics.update);
-			}
-
-			update(canvas, delta) {
-
-				if (!this.autoUpdate) return;
-
-				// Update the animation state using the delta time.
-				this.animationState.update(delta);
-				// Apply the animation state to the skeleton.
-				this.animationState.apply(this.skeleton);
-				// Let the skeleton update the transforms of its bones.
-				this.skeleton.updateWorldTransform(spine.Physics.update);
-			}
-
-			render(canvas) {
-				let renderer = canvas.renderer;
-				// Resize the viewport to the full canvas.
-				renderer.resize(spine.ResizeMode.Expand);
-
-				// Clear the canvas with a light gray color.
-				canvas.clear(0.2, 0.2, 0.2, 1);
-
-				// Begin rendering.
-				renderer.begin();
-				// Draw the skeleton
-				renderer.drawSkeleton(this.skeleton, true);
-				// Complete rendering.
-				renderer.end();
-			}
-		}
-
-		new spine.SpineCanvas(document.getElementById("canvas"), {
-			app: new App()
-		})
-	</script>
-</body>
-
-</html>`
\ No newline at end of file