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];




var animationNameToIndex = {};

/* 0 is Linear */ 
/* 1 */ function quadEaseIn(t, b, c, d) { return c * (t /= d) * t + b; }
/* 2 */ function quadEaseOut(t, b, c, d) { return -c * (t /= d) * (t - 2) + b; }
/* 3 */ function quadEaseInOut(t, b, c, d) { return ((t /= d / 2) < 1) ? c / 2 * t * t + b : -c / 2 * ((--t) * (t - 2) - 1) + b; }
/* 4 */ function cubicEaseIn(t, b, c, d) { return c * (t /= d) * t * t + b; }
/* 5 */ function cubicEaseOut(t, b, c, d) { return c * ((t = t / d - 1) * t * t + 1) + b; }
/* 6 */ function cubicEaseInOut(t, b, c, d) { return ((t /= d / 2) < 1) ? c / 2 * t * t * t + b : c / 2 * ((t -= 2) * t * t + 2) + b; }



function prepareAnimationData()
{
	for(var i=0; i < animationData.length; i++)
	{
		animationNameToIndex[(animationData[i]).name] = i;

		var curWaypoints = animationData[i].waypoints;
		
		for (var j=0; j < curWaypoints.length; j++)
		{
			// Calculate distance and duration
			if (j==0)
			{
				curWaypoints[0].distance = null;
				curWaypoints[0].speed = null;
			}
			else
			{
				var dx = curWaypoints[j].px - curWaypoints[j-1].px;
				var dy = curWaypoints[j].py - curWaypoints[j-1].py;
				var dz = curWaypoints[j].pz - curWaypoints[j-1].pz;
				
				curWaypoints[j].distance = Math.sqrt(dx*dx + dy*dy + dz*dz);
				
				if (curWaypoints[j].duration) {
					curWaypoints[j].speed = curWaypoints[j].distance / curWaypoints[j].duration;
				} else {
					curWaypoints[j].duration = curWaypoints[j].distance / curWaypoints[j].speed;
				}
			}
			
			curWaypoints[j].rotation = new Quaternion(curWaypoints[j].qw, curWaypoints[j].qx, curWaypoints[j].qy, curWaypoints[j].qz);
			
			if (!curWaypoints[j].easeFunction) curWaypoints[j].easeFunction = 0;
			
			switch (curWaypoints[j].easeFunction){
				case 0:	curWaypoints[j].easeFunction = null; break;
				case 1:	curWaypoints[j].easeFunction = quadEaseIn; break;
				case 2:	curWaypoints[j].easeFunction = quadEaseOut; break;
				case 3:	curWaypoints[j].easeFunction = quadEaseInOut; break;
				case 4:	curWaypoints[j].easeFunction = cubicEaseIn; break;
				case 5:	curWaypoints[j].easeFunction = cubicEaseOut; break;
				case 6:	curWaypoints[j].easeFunction = cubicEaseInOut; break;
			}
				
		}
	}
}