Question About Projectile Events

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Teabone

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Posted: 28th Oct 2024 15:09

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Does anyone have any idea of to use the following global variables?

-- Globals to track projectile explosion event
g_projectileevent_explosion = 0
g_projectileevent_name = ""
g_projectileevent_x = 0
g_projectileevent_y = 0
g_projectileevent_z = 0
g_projectileevent_radius = 0
g_projectileevent_damage = 0
g_projectileevent_entityhit = 0

For instance if a rocket man shoots a rocket, could I then determine where that rocket exploded? Do we set any of these variables directly to identify which projecile we are tracking? Any documentation about the above would be helpful.

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J_C

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Posted: 28th Oct 2024 17:41 Edited at: 28th Oct 2024 17:46

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Hi Teabone glad to see you are still around..
It's along time since I used GG Classic but I remember having a play with these variables for projectile system..
I have attached a lua script file I used to play with..

I think the variables are set by the projectile system and you read them and use them
hopefully you will see in the attached lua script.. I think I attached the script to a fire decal
and then I would fire rocket at some barrels then the projectile variables would activate and I would place the fire particle
at the (hit) barrel object.

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Teabone

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Posted: 28th Oct 2024 23:23

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Was able to get some return values. It is sad that I'm only discovering this now. It should have been documented years ago.

if g_projectileevent_explosion > 0 then
SetPosition ( e, g_projectileevent_x, g_projectileevent_y, g_projectileevent_z )
g_projectileevent_explosion = 0
end

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fabrieno80

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Posted: 19th Nov 2024 10:21 Edited at: 21st Nov 2024 11:11

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Consider the symmetry of projectile motion. The y velocity will be 0 when the projectile reaches its peak. This is half the flight time.

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