Alternative LE3 Character controller ?

[YouGroove]

I had the same Sci Fi game prototype and on my laptop i had the main character using LE3 character controller becoming very unresponsive with long deceleration and too slow accelerations when using faster movement speed.

 

I thaught it was the level complexity or the laptop , because it runs just good on a powerfull machine.

 

I made my own character controller, with it's own deceleration system and surprise there is no lagging physics and quick custom deceleration , unlike LE3 default character controller on the same map level in my laptop

 

1) I use a 3d detailled sphere model as the moving 3D object , so there is no friction problems

 

2) It works and physics stay constant with PhysicsUpdate , no deceleration lag or slow accelerations using my own deceleration system

 

3) Using higher movement speed, there is no collision problems or pass through and there is no lagging or long deceleration problems or slow acceleration

 

 

So my question is should LE3 character controller need to be re worked for other people that can't code their own ?

Or should it be added some other character controller for faster character games movement ?

 

 

 

For people interested here is the work in progress code , it is not final as deceleration must be tweaked to be proportionnal to character speed.

Speed directions and axe rotation are really specific to direction keys for some game specific gameplay, so it is not some totally general usage controller.

Also it needs a really detailled and smooth sphere model to work good.

 

This is also non optimized code but this gives you some hints on how it works.

 

Script.character = "" --entity
Script.smoothness = 5000--int
--Script.camera = "" --entity

function Script:Start()
self.playerMovement = Vec3(0,0,0)
self.moveSpeed = 30
self.speedAutoDirection = 0.05

self.entity:SetFriction(0.5,0.5)
self.maxSpeed = 25
self.angleDir = 0

self.dirPrevFrame = self.entity:GetPosition(true)
self.posFrame = self.entity:GetPosition(true)

self.deltaPosTime = Time:Millisecs()
self.prevRot = Vec3(0,0,0)
self.direction = Vec3(0,0,0)

end


function Script:UpdateWorld()
self.posFrame = self.entity:GetPosition(true)
dirSmooth = Vec3(0,0,0)
--dirSmooth.x = Math:Curve(self.posFrame.x, self.dirPrevFrame.x,30)
newCharPos = Vec3(0,0,0)

dirSmooth.x = (self.posFrame.x - self.dirPrevFrame.x) / 2
dirSmooth.z = (self.posFrame.z - self.dirPrevFrame.z) / 2

newCharPos.z = Math:Curve(self.dirPrevFrame.z,self.posFrame.z,self.smoothness/Time:GetSpeed())
newCharPos.x = Math:Curve(self.dirPrevFrame.x,self.posFrame.x,self.smoothness/Time:GetSpeed())
newCharPos.y = Math:Curve(self.dirPrevFrame.y,self.posFrame.y,self.smoothness/Time:GetSpeed())


self.character:SetPosition(newCharPos,true)

local angle = -Math:ATan2(dirSmooth.z,-dirSmooth.x)
angle3 = Vec3(0,angle-90,0)

self.character:SetRotation(angle3,true)



end



function Script:UpdatePhysics()
rotation = self.entity:GetRotation(true)

self.posFrame = self.entity:GetPosition(true)

if Time:Millisecs()- self.deltaPosTime > 300 then
self.deltaPosTime = Time:Millisecs()

self.dirPrevFrame = self.posFrame

end

--self.direction = ( self.posFrame - self.dirPrevFrame ):Normalize()

speedX = ((App.window:KeyDown(Key.D) and 1 or 0) - (App.window:KeyDown(Key.A)and 1 or 0))
speedY = ((App.window:KeyDown(Key.Z) and 1 or 0) - (App.window:KeyDown(Key.W)and 1 or 0))

 self.playerMovement.x = speedX * Time:GetSpeed() * self.moveSpeed
self.playerMovement.z = speedY * Time:GetSpeed() * self.moveSpeed


vect = Vec3(speedX,0,speedY):Normalize()
vel = self.entity:GetVelocity(true)

if vel.x > self.maxSpeed and speedX == 1 then
vel.x = self.maxSpeed /3
self.playerMovement.x = 0
end
if vel.x < -self.maxSpeed and speedX == -1 then
vel.x = -self.maxSpeed /3
self.playerMovement.x = 0
end

if vel.z > self.maxSpeed then
vel.z = self.maxSpeed /3
self.playerMovement.z = 0
end
if vel.z < -self.maxSpeed then
vel.z = -self.maxSpeed /3
self.playerMovement.z = 0
end


if vel.x > self.speedAutoDirection and speedX == 0 then
self.playerMovement.x = -self.speedAutoDirection * Time:GetSpeed() * self.moveSpeed *3
end
if vel.x < self.speedAutoDirection and speedX == 0 then
self.playerMovement.x = self.speedAutoDirection * Time:GetSpeed() * self.moveSpeed *3
end

if vel.z > self.speedAutoDirection and speedY == 0 then
self.playerMovement.z = -self.speedAutoDirection * Time:GetSpeed() * self.moveSpeed *3
end
if vel.z < self.speedAutoDirection and speedY == 0 then
self.playerMovement.z = self.speedAutoDirection * Time:GetSpeed() * self.moveSpeed *3
end


--self.entity:AddForce(direction * Time:GetSpeed() * self.moveSpeed,true)
self.entity:AddForce(self.playerMovement,true)
--self.entity:AddForce( direction * Time:GetSpeed() * self.moveSpeed , true)
if speedX == 0 and speedY ==0 then

--self.entity:AddForce(vel,true)
vel = vel*-1 *15
self.entity:AddForce(vel,true)
end


end

[Einlander]

The default character controller is programmed to update on physics instead of on world. This gives it constant motion that is independent of fps. On leadwerks the physics is already time adjusted. Your version will start to misbehave on very high or low fps. This becomes a concern when you have to do something within a set time. If fps is low the time will run out before your done, if its high you will be done before the time runs out.

[YouGroove]

On leadwerks the physics is already time adjusted. Your version will start to misbehave on very high or low fps.

 

You are wrong , read again my code

It works constant on slower laptop even with comple level at 15 fps, while LE3 character controller was like lagging a lot using bigger speed movement.

 

function Script:UpdatePhysics()
rotation = self.entity:GetRotation(true)
self.posFrame = self.entity:GetPosition(true)

 

Anyway for high speed movemennt you will have LE3 character passing throught physics, this is where you need your own controller.

Also LE3 character controller doesn't raycast to the floor or on high jump fall down speed it would not pass throught floor.

 

Nevermind forget it, as it is a specific need, like specific needs you must do it yourself.

I think all people are ok with LE3 character controller for all common cases, so my thread is just some suggestion , i am not asking anything finally.

[Einlander]

You're right, I didn't see when you used the Time:GetSpeed. So you have basically all bases covered.