topical media & game development
graphic-canvas-example-raycaster-input.js / js
var KEY = { D: 68, W: 87, A: 65, S:83, RIGHT:39, UP:38, LEFT:37, DOWN:40, Q:81 };
var input = {
right: false,
up: false,
left: false,
down: false,
quit: false
};
function press(evt) {
var code = evt.keyCode;
switch(code) {
case KEY.RIGHT:
case KEY.D: input.right = true; break;
case KEY.UP:
case KEY.W: input.up = true; break;
case KEY.LEFT:
case KEY.A: input.left = true; break;
case KEY.DOWN:
case KEY.S: input.down = true; break;
case KEY.Q: input.quit = true; break;
}
}
function release(evt) {
var code = evt.keyCode;
switch(code) {
case KEY.RIGHT:
case KEY.D: input.right = false; break;
case KEY.UP:
case KEY.W: input.up = false; break;
case KEY.LEFT:
case KEY.A: input.left = false; break;
case KEY.DOWN:
case KEY.S: input.down = false; break;
case KEY.Q: break;
default: trace('unrecognized key code: ' +code); break;
}
}
(C) Æliens
20/2/2008
You may not copy or print any of this material without explicit permission of the author or the publisher.
In case of other copyright issues, contact the author.