class M2 extends Math {
	
	
	
	public function M2() {super();}
	
	
	
	
	public static function toRadians(d:Number):Number {		return d*PI/180;}
	public static function toDegrees(r:Number):Number {		return r*180/PI;}
	
	
	
	
	public static function projection(a:Number, m:Number):Object {	
	
			
			return {x:m*cos(toRadians(a)), y:m*sin(toRadians(a))};
			
			
	}
	
	
	
	public static function circumference(r:Number):Number {		return 2*PI*r;}
	public static function circArea(r:Number):Number {			return PI*sq(r);}
	
	
	
	
	
	public static function sq(n:Number):Number {		return n*n;}
	public static function cube(n:Number):Number {		return n*n*n;}
	
	
	
	
	public static function limit(l:Number, h:Number, c:Number):Number {	return min(max(l,c),h);}
	
	
	
	
	public static function easeOut(b:Number, e:Number, coeff:Number):Number {	return b+(e-b)*coeff;}
	
	
	
	
	
	public static function easeInOut(t:Number, b:Number, c:Number, d:Number):Number {
		
		
		if(t == 0) return b;
		if(t == d) return b+c;
		if((t /= d/2)<1) return c/2*pow(2,10*(t-1))+b;
		return c/2*(-pow(2,-10*--t)+2)+b;
		
		
	}
	
	
	
	
	
	public static function pythag(x:Number, y:Number):Number {	return sqrt(sq(x)+sq(y));}
	
	
	
	
	
	public static function dist(x1:Number, y1:Number, x2:Number, y2:Number):Number {
		
		
			var dx:Number=x2-x1;
			var dy:Number=y2-y1;
			
			return pythag(dx, dy);
			
			
	}
	
	
	
	public static function golden(p:Number):Number {	return p*.6180339887498948482045868343656;}
	
	
	
	
	
}