I want to draw a line between two points, yet have been unable to figure out a way to do that.
My end game is to draw the path of the touch interface (or the mouse), in the same way it's done in Fruit Ninja.
So far, my approach has been to create a small round object under the Touch coordinates, and then have it slowly die. This creates a trace like it's shown in the screenshot:
But this approach won't get me the pointy line that's wide at the front, and gradually gets thinner as it fades away.