Gizmos.DrawRay
static function DrawRay(r: Ray): void;
static function DrawRay(from: Vector3, direction: Vector3): void;
Description

Draws a ray starting at from to from + direction.

	function OnDrawGizmosSelected () {
		// Draws a 5 meter long red line in front of the object
		Gizmos.color = Color.red;
		var direction : Vector3 = transform.TransformDirection (Vector3.forward) * 5;
		Gizmos.DrawRay (transform.position, direction);
	}