Annotated code

A series of short, heavily annotated JavaScript programs.

• By Mary Rose Cook
• http://maryrosecook.com
• [email protected]

Space Invaders

Demonstrates an animation loop, collision detection, keyboard input, drawing to the canvas and playing sounds.

To read the annotated source, open /space-invaders/docs/space-invaders.html in your browser.

Circles bouncing off lines

Demonstrates some simple trig that calculates the movement of circles as they bounce off lines.

To read the annotated source, open /circles-bouncing-off-lines/docs/circles-bouncing-off-lines.html in your browser.