A simple 2D billboard, like a tree or grass. These are square by default, but can be scaled XY if needed. Both cylindrical and spherical billboards are supported. You must assign material with a texture to be rendered as a sprite on the billboard
http://www.opengl-tutorial.org/intermediate-tutorials/billboards-particles/billboards/
Creates a square billboard
Protected
Render is used draw this billboard, this is called from the Instance that wraps this renderable
Optional
A simple 2D billboard, like a tree or grass. These are square by default, but can be scaled XY if needed. Both cylindrical and spherical billboards are supported. You must assign material with a texture to be rendered as a sprite on the billboard
See
http://www.opengl-tutorial.org/intermediate-tutorials/billboards-particles/billboards/