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PIXI.JS - 'pointermove' Function moves all the sprites, instead of moving only the selected Sprite / Graphic


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I am creating a Rectangle and Adding it to the ViewPort with Code: 

	var rectangle = new Graphics();
	rectangle.beginFill(0, 0.001);
		rectangle.lineStyle(1, 0xFF0000);
		rectangle.drawRect(5, 5, 200, 100);

		rectangle.interactive = true;
		rectangle.buttonMode = true;
		rectangle.on('pointerdown', onDragStart)
			.on('pointerup', onDragEnd)
			.on('pointerupoutside', onDragEnd)
			.on('pointermove', onDragMoveRectangle);

after that I am creating a Sprite using the code and adding it to the rectangle. ( Its basically a handle to increase the width of Rectangle ) 

	const textureMove = PIXI.Texture.from(horizontalMoveSVG);
	const sprite = new PIXI.Sprite(textureMove);
	sprite.interactive = true;
		sprite.buttonMode = true;
		sprite.width = 25;
		sprite.height = 25;
		sprite.x = 205;
		sprite.y = 50;
		sprite.on('pointerdown', onDragStart)
			.on('pointerup', onDragEnd)
			.on('pointerupoutside', onDragEnd)
		.on('pointermove', onDragMoveSprite);


the two functions are below: 

	function onDragMoveRectangle() {
		if (this.dragging) {
			const newPosition = this.data.getLocalPosition(this.parent);
			// const newPosition = this.data.getLocalPosition(this.parent);
			this.x = newPosition.x;
			this.x = newPosition.y;

	function onDragMoveSprite() {
		if (this.dragging) {
			const newPosition = this.data.getLocalPosition(this.parent);
			// const newPosition = this.data.getLocalPosition(this.parent);
			this.width = newPosition.x;
			this.height = newPosition.y;

Problem I am facing is: If I move Rectangle or a Sprite, both the drag functions got executed, which I don't want. I want to execute only 1 function when rectangle move and other function when the sprite moves. 

- onDragMoveRectangle will move the rectangle ( changing the position )
- onDragMoveSprite will increase the width and height of the rectangle 

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