A fast, easy to use, free, and community supported 2D game engine
filipstefansson
Member
Hi,
Is it possible to have to two parent layers with one of the parents child sprits in top of the other parent?
Coming from a web background I know this might be tricky, and I know this doesn't work out of the box. I've read some about vertexZ, but didn't get that to work, maybe that's the way to go?
Cocos has a hierarchical z-index, where a negative z places the child behind the parent and a z-index of 0 or higher places it in front of the parent.
What you displayed in your image should work. The layer with z:1 will be placed on top of the layer that has z:0 (and all it's children). The child of layer z:1 has a z-index of 0 or higher and will be displayed on top of that layer.
You can also change the z-index and parent during runtime (using reorderChild).
The child zOrder is only relative to the other siblings of the same parent. Effectively all children of a parent are the same zOrder as the parent.
Layer 1 (zOrder: 1)
Layer 2 (zOrder: 2)
Child A (zOrder: 1)
Child B (zOrder: 2)
Layer 3 (zOrder: 3)
This means you cannot put Layer 3 between Child A and Child B. As Child A and B will get rendered at the parents zOrder of 2 but they'll be rendered in the order of their zOrders. I hope that makes sense. Scott
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