[Part 3] Knife spawns but doesn’t move

[Renaud St-Hilaire]

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Hi, I have a problem with the knife movement, the knife spawns but doent move, I went over the code and compared it with project files and its the same, I get a NullreferenceException error in the knife behaviour script, I watche the null reference troubleshooting video and it didnt help, can someone point me in the right direction? The error is on the line 21.

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[Terence]

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Hey Renaud, you are calling the wrong function in Start(). It should be FindObjectOfType(), not GetComponent().

protected override void Start()
{
    base.Start();
    kc = GetComponentFindObjectOfType<KnifeController>();
}

Your issue is because kc is null, so when your code accesses kc.speed in Update(), you are essentially doing null.speed, which causes the null reference exception.

[Renaud St-Hilaire]

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It works! Thank you so much! I love your tutorials!

[Author]

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