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Question by CoolCosmos · Oct 04, 2019 at 12:03 AM · collisionvelocityreflectionwalleuler angles

How to reflect object's direction when collides wall ?

Hi, I move enemy by using rigidbody.velocity and pick a random euler angle and instantiate it on floor.

i stuck on reflecting enemy when it collides objects tagged "Wall". I want enemy to reflect with random euler angle when it collides wall.

I write this code so far and enemy reflects but it sticks with wall. So can you help me to make it work properly. Thanks.

 void Awake()
     {
         rb_Enemy = GetComponent<Rigidbody>();
 
         PickDirection();
     }
 
     void FixedUpdate()
     {
         EnemyMovement();
     }
 
     public void PickDirection()
     {
         axes = new float[8]{12, 24, 42, 72, 192, 204, 222, 252};
 
         int indexAxe = Random.Range(0, axes.Length);
 
         randomAxe = axes[indexAxe];
     }
 
     public void EnemyMovement()
     {
         Vector3 enemyDirection = Quaternion.AngleAxis(randomAxe, Vector3.up) * transform.forward;
 
         rb_Enemy.velocity = enemyDirection * eThrust * Time.deltaTime;
     }
 
     public void ReflectEnemy()
     {
         enemy.transform.Rotate(0, randomAxe +90, 0);
     }
 
     public void OnCollisionEnter(Collision collision)
     {
         if (collision.gameObject.tag == "Wall")
         {
             ReflectEnemy();
         }
     }
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