CS109 - Add force to a game object when mouse button is pressed; stop adding when button is up.

Accelerate.js

#pragma strict
 
public var rocket : GameObject; 	// object to push
public var xSpeed : float = 0;		// horizontal speed
public var ySpeed : float = 400;	// vertical speed
 
private var rb2D : Rigidbody2D;
 
function Start () 
{
	rb2D = rocket.GetComponent.<Rigidbody2D>();
}
 
function OnMouseDown () 
{
	// add force to the object
	rb2D.AddForce(new Vector2(xSpeed, ySpeed));
}
 
function OnMouseUp () 
{
	// stop adding force
	rb2D.AddForce(Vector2.zero);
}