| exp/f32 | Package f32 implements some linear algebra and GL helpers for float32s. |
| exp/font | Package font provides platform independent access to system fonts. |
| exp/gl | |
| exp/gl/glutil | Package glutil implements OpenGL utility functions. |
| exp/sensor | Package sensor provides sensor events from various movement sensors. |
| exp/sprite | Package sprite provides a 2D scene graph for rendering and animation. |
| exp/sprite/clock | Package clock provides a clock and time functions for a sprite engine. |
| exp/sprite/portable | Package portable implements a sprite Engine using the image package. |