This renders triangles relatively quickly. It can render 1000 triangles at 5 FPS. Press m to change the mode. Press w to toggle wire framing (Improves performance) In mode 0, press space and move your mouse to change the bottom point. In mode 1, click and drag the points to make a triangle of any kind. In mode 2, it renders 1000 random triangles at 5 FPS. In mode 3, it creates a highlight selection (click anywhere and drag.) In mode 4, it renders a very simple image.