script follow player - GameGuru Forum

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imothep85

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Posted: 23rd Jul 2021 19:32

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hi i would like to achive this simple script, an object, any 3d object who follow the player how can i do that?

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AmenMoses

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Posted: 23rd Jul 2021 20:00

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Basically just turn towards the player and move forward as long as the entity is greater than a specific distance from the player.

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AmenMoses

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Posted: 23rd Jul 2021 20:58 Edited at: 23rd Jul 2021 20:59

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So there is a bit of a catch-22 situation in GG atm.

With physics on the RotateToPlayer functions don't appear to work for simple entities like the crate.
With physics off the MoveForward function doesn't appear to work!

So you can make crate rotate to the player if it has physics off but it can't move towards the player OR you can make it move forwards if it has physics on but it won't rotate to face the player. (in fact it just seems to spin like mad)

So we have to do the old CollisionOff/CollisionOn trick around the rotation part.

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imothep85

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Posted: 24th Jul 2021 07:40 Edited at: 24th Jul 2021 07:49

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Thanks AmenMoses

it works pretty well but when the object follow the player, he has no weight !!
if i move to a higher platform and leave the platform the object still follow the player, but in the air, like he has no weight & no gravity lol

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imothep85

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Posted: 25th Jul 2021 14:24

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I added this

local maxWeight = 800
GravityOn( e )

but the entity who follow the player only fall if he is on certain distance

local followDist = 200

i need the gravity to be allways on for the entity following the player
so if the entity following me is on a higher platform and he leave that platform he fall

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AmenMoses

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Posted: 25th Jul 2021 19:03

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You would have to add some logic to detect when the object is on a platform.

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smallg

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Posted: 25th Jul 2021 23:40

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add
MoveUp(e,-100)
after the MoveForward() command
(change the -100 to whatever works)

lua guide for GG
https://steamcommunity.com/sharedfiles/filedetails/?id=398177770
windows 10
i5 @4ghz, 8gb ram, AMD R9 200 series , directx 11

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imothep85

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Posted: 26th Jul 2021 07:22 Edited at: 26th Jul 2021 08:00

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smallg, it work but the entity following me, fall too slowly !
ALSO when the entity is close to me, the entity fall on the ground like dead, it come from the physics friction, if i put it to zero the entity doesn't fall anymore but when the entity is close to the player it keep turning around the player 360°

thanks to everyone for the help

this is my code:

+ Code Snippet


local moveSpeed  = 1000
local followDist = 200
local maxWeight = 100
GravityOn( e )

function follow_player_init( e )
end

function follow_player_main( e )

	local Ent = g_Entity[ e ] 
    
	local px, py, pz = g_PlayerPosX, g_PlayerPosY, g_PlayerPosZ 
	
    local PDX, PDY, PDZ = Ent.x - px, Ent.y - py, Ent.z - pz
						  
	if PDX*PDX + PDY*PDY + PDZ*PDZ > followDist * followDist then
    
		CollisionOff( e )
		RotateToPlayerSlowly( e, 50 )
		MoveUp(e,-100) 
		CollisionOn( e )
		MoveForward( e, moveSpeed )
		MoveUp(e,-100) 

	end
end

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Scripts / script follow player

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