src/settings.js


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var Settings = function() {}
Settings.STAGE_WIDTH = 800;
Settings.STAGE_HEIGHT = 600;
Settings.STAGE_BGCOLOR = 0xA0A0A0;

var lastTime = Date.now();
var dt = 0.0;

function updateDeltaTime() {
	var last = lastTime;
	var current = Date.now();

	lastTime = current;
	dt = current - last;
}