Smart UI Elements allow you to add to your game cool UI effects!
It also allow you to convert a 3D world position to a 2D one and viceversa.
Fully tunable without change the script, you can set a destination to a player, indicate a target position out of screen, make a Light Trail effect and get if there is some object through the player and the target. This script is useful for every game. From FPS/TPS to race car game!