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Im making small 2D game and i would like how should, theoretically work jumping and standing on objects.
For jumping should there be some kind of gravity?Should i use collision detection?
Good example of what i want to undestand is jumping in Mario.
I think for jumping it would be best to create some simple model which use “game time”. I would personally create some physical model based on gravity, but you can go for whatever you want.
If you want your character to “stand” on object, you will have to create some collision detection. Good start is to approximate object by one or more circles (or lines) compute collision of them and in case the approximation collides determine the final state by some more precise method.