This is a paid asset, but now you can download TexturePaint for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
For more detail this asset from the Unity Asset Store: Click Here
TexturePaint v1.99
“If possible, please buy the package to support the developer”
Paint textures while your game runs!
TexturePaint lets you add dynamic
runtime texture updating to your project
quickly and easily.
With a texture or procedural paint brushes,
TexturePaint allows for an amazing level
of control and flexibility.
– Line drawing added!
– Paint on 2D or 3D geometry
– Highly optimized performance
– DX11 compatible
– Great for:
Bullet Holes, modifying shaders/masks at runtime,
painting, splatters, blood splats, shooting out glass,
dynamicly creating holes in walls, trails, etc.