Two ways of thinking about pointy vs flat top: 1. Pointy and flat are 60° rotations away from each other. This is what I use for animations. But it's not as us

Two ways of thinking about pointy vs flat top: 1. Pointy and flat are 60° rotations away from each other. This is what I use for animations. But it's not as useful for the math. 2. Pointy and flat are the same with x/y flipped. This is much more useful for coding.