[phaser] Add Origin mixin, don't call updateSize() on changes to scale.

spine-ts/spine-phaser/src/SpineGameObject.ts

@@ -1,6 +1,6 @@
 import { SPINE_GAME_OBJECT_TYPE } from "./keys";
 import { SpinePlugin } from "./SpinePlugin";
-import { ComputedSizeMixin, DepthMixin, FlipMixin, ScrollFactorMixin, TransformMixin, VisibleMixin, AlphaMixin } from "./mixins";
+import { ComputedSizeMixin, DepthMixin, FlipMixin, ScrollFactorMixin, TransformMixin, VisibleMixin, AlphaMixin, OriginMixin } from "./mixins";
 import { AnimationState, AnimationStateData, Bone, MathUtils, Skeleton, Skin, Vector2 } from "@esotericsoftware/spine-core";
 
 class BaseSpineGameObject extends Phaser.GameObjects.GameObject {
@@ -107,7 +107,7 @@ export class SkinsAndAnimationBoundsProvider implements SpineGameObjectBoundsPro
  *
  * See {@link skeletonToPhaserWorldCoordinates}, {@link phaserWorldCoordinatesToSkeleton}, and {@link phaserWorldCoordinatesToBoneLocal.}
  */
-export class SpineGameObject extends ComputedSizeMixin(DepthMixin(FlipMixin(ScrollFactorMixin(TransformMixin(VisibleMixin(AlphaMixin(BaseSpineGameObject))))))) {
+export class SpineGameObject extends DepthMixin(OriginMixin(ComputedSizeMixin(FlipMixin(ScrollFactorMixin(TransformMixin(VisibleMixin(AlphaMixin(BaseSpineGameObject)))))))) {
 	blendMode = -1;
 	skeleton: Skeleton;
 	animationStateData: AnimationStateData;
@@ -115,10 +115,6 @@ export class SpineGameObject extends ComputedSizeMixin(DepthMixin(FlipMixin(Scro
 	beforeUpdateWorldTransforms: (object: SpineGameObject) => void = () => { };
 	afterUpdateWorldTransforms: (object: SpineGameObject) => void = () => { };
 	private premultipliedAlpha = false;
-	private _displayOriginX = 0;
-	private _displayOriginY = 0;
-	private _scaleX = 1;
-	private _scaleY = 1;
 
 	constructor (scene: Phaser.Scene, private plugin: SpinePlugin, x: number, y: number, dataKey: string, atlasKey: string, public boundsProvider: SpineGameObjectBoundsProvider = new SetupPoseBoundsProvider()) {
 		super(scene, SPINE_GAME_OBJECT_TYPE);
@@ -132,44 +128,11 @@ export class SpineGameObject extends ComputedSizeMixin(DepthMixin(FlipMixin(Scro
 		this.updateSize();
 	}
 
-	public get displayOriginX () {
-		return this._displayOriginX;
-	}
-
-	public set displayOriginX (value: number) {
-		this._displayOriginX = value;
-	}
-
-	public get displayOriginY () {
-		return this._displayOriginY;
-	}
-
-	public set displayOriginY (value: number) {
-		this._displayOriginY = value;
-	}
-
-	public get scaleX () {
-		return this._scaleX;
-	}
-
-	public set scaleX (value: number) {
-		this._scaleX = value;
-		this.updateSize();
-	}
-
-	public get scaleY () {
-		return this._scaleY;
-	}
-
-	public set scaleY (value: number) {
-		this._scaleY = value;
-		this.updateSize();
-	}
-
 	updateSize () {
 		if (!this.skeleton) return;
 		let bounds = this.boundsProvider.calculateBounds(this);
-		// For some reason the TS compiler and the ComputedSize mixin don't work well together...
+		// For some reason the TS compiler and the ComputedSize mixin don't work well together and we have
+		// to cast to any.
 		let self = this as any;
 		self.width = bounds.width;
 		self.height = bounds.height;

spine-ts/spine-phaser/src/mixins.ts

@@ -31,6 +31,7 @@ export const Flip = components.Flip;
 export const ScrollFactor = components.ScrollFactor;
 export const Transform = components.Transform;
 export const Visible = components.Visible;
+export const Origin = components.Origin;
 export const Alpha = components.Alpha;
 
 export interface Type<
@@ -76,5 +77,8 @@ export const TransformMixin: TransformMixin = createMixin<Phaser.GameObjects.Com
 type VisibleMixin = Mixin<Phaser.GameObjects.Components.Visible, Phaser.GameObjects.GameObject>;
 export const VisibleMixin: VisibleMixin = createMixin<Phaser.GameObjects.Components.Visible>(Visible);
 
+type OriginMixin = Mixin<Phaser.GameObjects.Components.Origin, Phaser.GameObjects.GameObject>;
+export const OriginMixin: OriginMixin = createMixin<Phaser.GameObjects.Components.Origin>(Origin);
+
 type AlphaMixin = Mixin<Phaser.GameObjects.Components.Alpha, Phaser.GameObjects.GameObject>;
 export const AlphaMixin: AlphaMixin = createMixin<Phaser.GameObjects.Components.Alpha>(Alpha);