Merge pull request #10 from StarLight-Oliver/master

Added support for usage with stencils.

try with this

Add building for PRs

Add early return in RECT.Draw function to prevent drawing when angles…

… are equal

Add Flags function to BASE_FUNCS, to make it easier to work with prev…

…ious code

Better corner radii normalization

Micro optimization (TCO)

Add GetMaterial function to be able to use it with paint lib

Merge pull request #9 from darkfated/master

Adding functionality to the new interaction interface

Make rotate_point kinda faster