2D Rigid Body Collision Resolution Part 1: Defining the problemFrom Mario bouncing off a Goomba to two cars bumping into each other in a racing game, dealing with collisions is such an integral part of most video games that we often take it for granted. In this series of blog posts, I want to show you what actually goes on behind the scenes in a physics simulation like the one above. While we're g
![What is a collision?](https://cdn-ak-scissors.b.st-hatena.com/image/square/874f2a4cb75da307d3f81c0037670a9bfc7ceec4/height=288;version=1;width=512/https%3A%2F%2Fsassnow.ski%2Fimages%2Frigid-body-physics-1.png)