wyrian/js/main.js

48 lines
865 B
JavaScript
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2011-02-11 23:27:34 +00:00
var keys = {};
function controlship() {
for (var i in keys) {
//a pressed
if (i == 65) {
$('#ship').css('left', (parseInt($('#ship').css('left'),10) - 10) + 'px');
}
// s pressed
if (i == 83) {
$('#ship').css('top', (parseInt($('#ship').css('top'),10) + 10) + 'px');
}
// d pressed
if (i == 68) {
$('#ship').css('left', (parseInt($('#ship').css('left'),10) + 10) + 'px');
}
// w pressed
if (i == 87) {
$('#ship').css('top', (parseInt($('#ship').css('top'),10) - 10) + 'px');
}
}
}
$(document).keydown(function (evt) {
var code = evt.keyCode || evt.which;
keys[code] = true;
});
$(document).keyup(function (evt) {
var code = evt.keyCode || evt.which;
delete keys[code];
});
function onTimerTick() {
controlship();
}
setInterval(onTimerTick, 33); // 33 milliseconds = ~ 30 frames per sec