Splat rendering of OBJ models using OpenGL points instead of textured quads.

• O - Open a file.
• Up/Down/Left/Right/A/D - Rotate the model along it's local axes.
• Z/X - Rotate the model about the global y-axis.
• W/S - Enlarge/shrink the model.

It also uses Tiny File Dialogs for the file open menu.