Hi,
That’s a good question. Maybe Rick figured that the CapsuleCollider2D matched the overall shape of the car and ‘Ginger’ best. Personally, I would probably opt for a BoxCollider2D because ‘Ginger’ is rather a rectangle than an ellipse. However, I would move the edges of the collider closer to the sprite because there is a rather large space in front of the player, which might look odd in certain cases, for example, even though the player sprite does not touch the enemy, the enemy could still kill him.
Use the collider shape you want and try to keep it as simple as possible because simple shapes are more performant than complex shapes. If some details do not work perfectly (yet), you’ll have to finetune things but that’s something you always have to do in your games.
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