What are you trying to do? You might not need to use something complicated. Here's the most common types of 2D collision detection.   Axis-Aligned Bounding Box (AABB) Checks if there is a gap between two rectangles. Axis-aligned means that there is no rotation. This is what GSAP uses for Draggable's hit test.    Circle Collision Checks for a collision between two circles by comparing the sum of their radii with the distance between the center of the two circles. Really simple to do... &#
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