Paper 2d display problem

Development Asset Creation
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1

I put a “tree” sprite under a “rock” sprite. I found some problem as below. The “tree” is on the “rock”.

113080-1.png
113080-1.png458×516 188 KB

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However I moved left a bit., it rendered correctly.

113087-3.png

How to fix it? plz help me.

2

Sprite detail panel, Rendering, Translucency Sort Priority.