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How To Make A Gun Shoot


How would you make a gun shoot in unreal engine using blueprint? Would you raycast then play the flying bullet animation at the same time or just spawn a projectile or what?

Thanks, Mike

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asked Feb 22 '15 at 04:11 AM in Blueprint Scripting

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2 answers: sort voted first

Both are valid options. But when you should use one method over the other depends:

I will give you a few cases for each method:

Projectile spawn method:

  • Use this method when your 'bullets' has drop (affected by gravity) - eg: Grenade launcher

  • When your fire rate is low - Eg: Racket launcher

  • When the 'bullets' travel relatively slow - Eg: Rocket launcher

Ray trace method:

  • Use this when your bullets are instant hits - very fast moving (simple Sniper)

  • When the rate of fire is very high - LMG/Gattler gun -If you try to spawn 1 proecjtile for each bullet, that is a lot of Projectile actors to process. So you should instead do ray-cast.

When you use Ray-trace method, you can spwn some pretty particle effects to visualize the bullet's trajectory - Use a beam emitter?

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answered Feb 22 '15 at 04:42 AM

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avatar image MikhailPK Feb 22 '15 at 04:44 AM

Thanks for replying so soon I'll try it out tomorrow

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Here is the first part to the tutorial. https://www.youtube.com/watch?v=T30EHLj4Qa8

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answered Dec 10 '15 at 03:34 PM

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