Mask sprite under background
I'm study how to mask (hide) Kid when pass behind a pillar or climb from under the floor, i have see some documentation about "Alpha Mapping and pixel shader" bur its a little complicated for me now.
I have adopt another "simple" solution, draw the mask in front of the background after draw sprites, is simple but not elegant.
DRAW ORDER
-> background animation
-> sprites
-> foreground mask
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| Kid behind a pillar |
Example of mask "pillar"
 |
| Background |
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| Foreground |
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