Debug.DrawRay

static function DrawRay (start : Vector3, dir : Vector3, color : Color = Color.white) : void

Description

Draws a line from start to start + dir with color.

// Draws a 10 meter long green line from the position
// forward along the transform's z-axis.
function Update () {
var forward = transform.TransformDirection(Vector3.forward) * 10;
Debug.DrawRay (transform.position, Vector3.forward * 10, Color.green);
}