Explore circles, semicircles, and ellipses in this educational video. Learn about geometric shapes and their properties.

A square and a rectangle, a circle and a triangle. BOY: If you’re looking for a square, you can see them everywhere. Images of the shapes appear as they are mentioned in the song. BOY ...

First, we’ll discuss SDFs in 2D ... the shape. Instead, the correct way to do this is to calculate the inside and outside distance and cap them so they don’t flip signs. The rectangle below ...