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Question by TheEmeraldRuby · Jun 30, 2018 at 05:08 PM · gameobjectrandomvelocityspeed

How to Send a GameObject Flying in a Random Direction but With Always the Same Velocity?

How would I send a gameobject flying off in a random direction but make sure it has the same speed every time?

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Answer by lowhearted · Jun 30, 2018 at 05:18 PM

Before we apply any speed, we need a random direction. We can do this with the following:

 Vector3 direction = new Vector3(Random.Range(-1f, 1f),
                                 Random.Range(-1f, 1f),
                                 Random.Range(-1f, 1f));

Now the problem with this is that if we scale it, it may not always scale to the proper velocity. We can fix this by making this a unit vector:

 direction.Normalize();

Now that we have a unit vector in a random direction, we can fully scale it to a set speed:

 Vector3 newVelocity = speed * direction;

Now, we apply it:

 transform.GetComponent<Rigidbody>().velocity = newVelocity;

Ofcourse, you need to define speed to a float of your liking. Also, make sure your gameobject has a rigidbody attached to it.

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