Sprite scaling issue

Questions
1

Sprite does not support scaling, so I achieved it by changing the width and height. However, I found that when I zoom in, I scale based on the center. I want it to scale based on the bottom, but I don’t want to increase it. It looks like it’s a change based on the bottom. Is there a way to achieve bottom based scaling

image
image1846×1222 225 KB

2

I think you’ll have to calculate and assign a new position as well.

  • const oldHeight = tree.height;
  • tree.height = newHeight;
  • position.y += (tree.height - oldHeight)/2

or alternatively

  • position.y -= tree.height/2;
  • tree.height = newHeight;
  • position.y += tree.height/2;
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