2D Collision

Let's consider collisions in two dimension:

Press Start to begin the animation.

Two circular objects will move with pre-defined velocity (yellow arrow).
Click left mouse button to suspend the animation. Now, you can Click the mouse button again to resume the animation.

When the two objects collide, the animation will be suspend.

Press Reset button to reset parameters to default values. You can select different frame of reference
    to view the relative motion of all the objects. View collision in 1 dimension.

Author:Fu-Kwun Hwang, Dept. of physics, National Taiwan Normal University