Mouse to aim! Space to shoot! [a] for pen down. [s] for pen up. [d] for clear pen. [q] for show x, y, and cannon direction. [w] for hide x, y, and cannon direction. [e] for show adjustments. [r] for hide adjustments. Drag the light part of cannon to move cannon! Adjust variables to change parameters. The theoretically optimum angle for a throw (this applies to real life too) is 45 degrees.
