Tophat tips

The API reference is your best friend.

Rotations are in degrees.

Assets paths are prefixed with the dir. That is ./ by default, but you can specify it using the dir flag. If you prefix a path with raw://, it will not be changed by tophat.

You can get last frame length from This is useful for making your game FPS independant. A good rule of thumb is to multiply any kind of movement by the value.

Resizing the window won't change how the game is displayed - the viewport stays the same. The viewport size is in the window.wp variable. You can change it to your liking.

Dimensions of one canvas.drawText character is 5x5 px, and the character spacing is 1px.

input.getMouseDelta works even if the cursor is frozen using window.freezeCursor