[????-2165]Bug:Projectile acting weird with walls

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Edward-san
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Joined: Sat Oct 17, 2009 9:40 am

[????-2165]Bug:Projectile acting weird with walls

Post by Edward-san »

While I was playing with decorate and its features, I did a simple projectile actor with high speed (128 and more). While playing a game with this actor I found something odd: if I shoot/summon that projectile against and near the wall at the direction between West and South (except near SW), that projectile trepasses the wall and continues after finding an obstacle. In the other directions the projectile doesn't. It happens with or without FastProjectile, only with horizontal or vertical walls.

I did a test map (Decorate included) to show the problem better (for the first time I did a map!). Use IDDT two times, use automap and shoot with the modified chaingun (it fires that projectile) at the incriminated directions for the odd thing.
I couldn't do more checks, so I hope this is sufficient. Sorry for my idiotic English, if it is XD.
projwallbug.wad
I know it's tiny but I think it's sufficient somehow.
(3.43 KiB) Downloaded 33 times
Is it a bug? If yes, is it fixable?
Spoiler:
Gez
 
 
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Re: [????-2165]Bug:Projectile acting weird with walls

Post by Gez »

Edward-san wrote:
Spoiler:
That's not really a bug because it is ignored entirely anyway, it's just a comment.
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NeuralStunner
 
 
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Re: [????-2165]Bug:Projectile acting weird with walls

Post by NeuralStunner »

When firing a rocket into such walls, it explodes beyond the wall and does no damage to the player. (Even my FastProjectile rockets.) I first noticed this in the first room of Map04. Though I thought at first it only happened with 1-sided lines, it does this with the door in that room as well.

Amusingly, the accidental massive blast bug a while back "fixed" that explosion problem. :lol:
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Graf Zahl
Lead GZDoom+Raze Developer
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Re: [????-2165]Bug:Projectile acting weird with walls

Post by Graf Zahl »

Well, giving a projectile a radius of 1 inevitably means it won't work, especially at higher speeds. THe movement code is not good enough for that.
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