package {
	import mx.controls.Image;
	
	public class student_twitter_flock_Tree {
		private var x:int, y:int;
		private var radius:int = 75;
		public var image:Image;
		
		public function student_twitter_flock_Tree (x:int, y:int, image:Image):void {
			this.x = x;
			this.y = y;
	    	
			this.image = image;
			this.image.x = x - 75;
			this.image.y = y - 75;
		}
		
		public function getX ():int {
			return this.x;
		}
		public function getY ():int {
			return this.y;
		}
		public function getRadius ():int {
			return this.radius;
		}
		public function getImage ():Image {
			return this.image;
		}
		
		public function distanceToBoid (boid:student_twitter_flock_Boid):int {
			var distX:int = this.x - boid.getX(),
				distY:int = this.y - boid.getY();
			return Math.sqrt(distX * distX + distY * distY);
		}
		
		public function shake (boids:Array):void {
			// Find all boids within the tree radius and give them a random impulse.
			// The result is that they scatter.

			for(var i:int = 0; i < boids.length; i++) {
				if (this.distanceToBoid(boids[i]) <= this.radius) {
					boids[i].addRandomImpulse (10.0);
				}
			}
		}
	}
}