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Sprites with separate collision regions?


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This has to be a FAQ, but I did not find an answer from a quick search. I will number the questions for reference.

1. If I want a sprite to have a separate collision rectangle that is smaller than the size of the sprite, how is that done in Phaser?

2. What if I want to have more than one collision rectangle for an unusual shape?

3. What if I want to check for collisions with triangles, circles, ellipses, etc? Are there ready-to-go functions for these situations? If not, where would I plug in a handwritten algorithm?

4. If I wanted to have thousands of objects running around a huge map, does Phaser come with an algorithm to cut down the search space for each object's collision detection or is there a good third-party library to use for this situation?

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