from から from + direction に向けてレイを描画します
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);
}
using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { void OnDrawGizmosSelected() { Gizmos.color = Color.red; Vector3 direction = transform.TransformDirection(Vector3.forward) * 5; Gizmos.DrawRay(transform.position, direction); } }