Gordan Freman Bhop

.Gravity = 


 Config = {

	
	VISUALIZE_FEET_HB = , 
	VISUALIZE_COLLIDE_AND_SLIDE = ,
	STEP_OFFSET = ,
	MASS = ,
	AIR_FRICTION = ,
	FRICTION = ,
	GRAVITY = ,
	JUMP_VELOCITY = ,

	
	GROUND_ACCEL = ,
	GROUND_DECCEL = ,
	AIR_ACCEL = ,

	
	AIR_SPEED = ,
	RUN_SPEED = ,
	WALK_SPEED = ,
	CROUCH_SPEED = ,

	
	AIR_MAX_SPEED = ,        
	AIR_MAX_SPEED_FRIC = ,      
	AIR_MAX_SPEED_FRIC_DEC = , 
	MIN_SLOPE_ANGLE = ,
	MAX_SLOPE_ANGLE = ,

	
	LEG_HEIGHT = +,
	TORSO_TO_FEET = +,
	FEET_HB_SIZE = .(,,),
	TORSO_HB_SIZE = .(,,),
	FOOT_OFFSET_AMOUNT = 
}

 RunService = :()
 UserInputService = :()

 ids = {
	,
	,
	,
	,
	,
}
 sounds = {}

 _, i  (ids) 
	 sound = .()
	sound.SoundId = i
	sound.Volume = 
	sound.Parent = .Workspace  
	.(sounds, sound)







export  Movement = {
	Keys: {W: number, A: number, S: number, D: number, Space: number},

	player: Player,
	character: Model,
	collider: Part,
	vispart: Part?,
	vis_coll_parts: {Part},
	config: MovementConfig,
	mover: LinearVelocity,
	up_mover: LinearVelocity,
	dt: number,
	states: MovementStates,
}

export  MovementConfig = {
	VISUALIZE_FEET_HB: boolean,
	VISUALIZE_COLLIDE_AND_SLIDE: boolean,
	LEG_HEIGHT: number,
	FEET_HB_SIZE: ,
	TORSO_HB_SIZE: ,

	MASS: number,
	GRAVITY: number,
	FRICTION: number,
	AIR_FRICTION: number,

	GROUND_ACCEL: number,
	GROUND_DECCEL: number,
	AIR_ACCEL: number,

	RUN_SPEED: number,
	WALK_SPEED: number,
	CROUCH_SPEED: number,
	AIR_SPEED: number,

	AIR_MAX_SPEED: number,
	AIR_MAX_SPEED_FRIC: number,
	AIR_MAX_SPEED_FRIC_DEC: number,

	JUMP_VELOCITY: number,

	STEP_OFFSET: number,
	TORSO_TO_FEET: number,

	MIN_SLOPE_ANGLE: number,
	MAX_SLOPE_ANGLE: number,
}

export  MovementStates = {
	grounded: boolean,
	air_friction: number,
	input_vec: number,
	surfing: boolean,
	jumping: boolean,
}

export  Vec3Mod = {x: number, y: number, z: number, ToVector3: (Vec3Mod) -> }
 Vec3Mod = {}
Vec3Mod.__index = Vec3Mod

 Vec3Mod.(input: ?) : Vec3Mod
	input = input  .zero
	 ({x = input.X, y = input.Y, z = input.Z}, Vec3Mod) :: Vec3Mod


 Vec3Mod:()
	 .(self.x, self.y, self.z)


 Movement: Movement = {}
 Physics = {} :: Movement
 Shared  : Movement= {}
 Trace : Movement= {}
 Collisions = {} :: Movement

  (result: RaycastResult, origin: , direction: )
	 position = result  result.Position  (origin + direction)
	 distance = (origin - position).Magnitude
	 p = .()
	p.Anchored = 
	p.CanCollide = 
	p.Size = .(, , distance)
	p.CFrame = .(origin, position)*.(, , -distance/)
	p.Parent = .Temp
	 p


  (moveVector: , normal: )
	
	 moveVector.Magnitude ==   normal.Magnitude ==  
		 .zero
	

	
	normal = normal.Unit

	
	 reflected = moveVector -  * moveVector:(normal) * normal
	
	 parallel = moveVector + reflected

	
	 parallel.Magnitude ==  
		 .zero
	

	
	 cropped = parallel.Unit:(moveVector.Unit) * parallel.Unit * moveVector.Magnitude
	 cropped


 Collisions:(wishedSpeed: )
	 mod = 

	 wishedSpeed.Magnitude ==  
		 wishedSpeed
	

	
	 inputVec = self.states.input_vec
	 newSpeed = wishedSpeed
	 hrp = self.player.Character.HumanoidRootPart

	
	 params = Shared.(self)

	
	wishedSpeed *= 

	
	 dirAmnt =  * (mod  )
	 mainDirAmnt =  * (mod  )

	
	 isSticking = 
	 normals = {}
	 stickingDirections = {}
	 ldd = {dir = , dist = } 
	 partsAlreadyHit = {}

	
	 Config.VISUALIZE_COLLIDE_AND_SLIDE 
		 _, v  (self.vis_coll_parts) 
			v:()
		
	

	 lookVecs = {
		.(, (-Config.TORSO_TO_FEET) + Config.STEP_OFFSET, ),
		.(, , ),
		.(, , )
	}

	 _, v  (lookVecs) 
		 values = {}
		 hval = {}
		 currForDir
		 currSideDir
		 rayPos

		 (v) ==  
			rayPos = hrp.Position + v
		
			rayPos = .(hrp.Position.X, hrp.Parent[v].CFrame.Position, hrp.Position.Z)
		

		
		 inputVec.X >  
			currForDir = hrp.CFrame.RightVector
			.(values, currForDir)
			.(hval, hrp.CFrame.LookVector * dirAmnt)
			.(hval, -hrp.CFrame.LookVector * dirAmnt)
			
		 inputVec.X <  
			currForDir = -hrp.CFrame.RightVector
			.(values, currForDir)
			.(hval, hrp.CFrame.LookVector * dirAmnt)
			.(hval, -hrp.CFrame.LookVector * dirAmnt)
		

		
		 inputVec.Z >  
			currSideDir = -hrp.CFrame.LookVector
			.(values, currSideDir)
			.(hval, hrp.CFrame.RightVector * dirAmnt)
			.(hval, -hrp.CFrame.RightVector * dirAmnt)
			
		 inputVec.Z <  
			currSideDir = hrp.CFrame.LookVector
			.(values, currSideDir)
			.(hval, hrp.CFrame.RightVector * dirAmnt)
			.(hval, -hrp.CFrame.RightVector * dirAmnt)
		


		 inputVec.Z ==   inputVec.X ==  
			values[] = wishedSpeed.Unit
			.(hval, .(wishedSpeed.Unit).RightVector * dirAmnt)
			.(hval, -.(wishedSpeed.Unit).RightVector * dirAmnt)
		
			.(values, wishedSpeed.Unit * dirAmnt)
		

		
		 currForDir  currSideDir 
			 a, b  (values) 
				values[a] = b * mainDirAmnt
			
			.(values, (currForDir+currSideDir) * mainDirAmnt)
		
			values[] *= mainDirAmnt
			.(values, (values[] + hval[]).Unit * mainDirAmnt)
			.(values, (values[] + hval[]).Unit * mainDirAmnt)
			.(values, hval[])
			.(values, hval[])
		

		 _, b  (values) 
			  b   

			
			 Config.VISUALIZE_COLLIDE_AND_SLIDE 
				.(self.vis_coll_parts, (, rayPos, b))
			

			 result = :(rayPos, b, params)
			  result   

			 ( ldd.dir   ldd.dist)  (ldd.dist  ldd.dist < result.Distance) 
				ldd.dir = b
				ldd.dist = result.Distance
			

			
			 .(partsAlreadyHit, result.Instance)   
			.(partsAlreadyHit, result.Instance)

			
			 _v =  newSpeed.Unit * result.Normal

			
			 _, c  ({_v.X, _v.Y, _v.Z}) 
				 .(c) >  
					_v = c
					
				
			

			
			

			
			
			

			 (_v) ==   _v >  
				
			

			  isSticking  isSticking =  
			newSpeed = (newSpeed, result.Normal)
			newSpeed -= result.Instance.Velocity

			self.mover.PlaneVelocity = .(newSpeed.X, newSpeed.Z)
			
		
	

	 newSpeed, isSticking  normals, isSticking  stickingDirections, isSticking  ldd.dir



export  Trace = {
	startPos: ,
	endPos: ,


	fraction: number,
	startSolid: boolean,
	hitPart: ,
	hitPoint: ,
	planeNormal: ,
	distance: number
}

  (self, cf, size)
	  Config.VISUALIZE_FEET_HB 
		
	
	  self.vispart 
		self.vispart = .(, self.character)
		self.vispart.CanCollide = 
		self.vispart.Anchored = 
	

	self.vispart.CFrame = cf
	self.vispart.Size = size


 Shared.(normal)
	 .(.(normal:(.yAxis)))


 Shared:(dir): (boolean, boolean?, RaycastResult?, number?)
	 params = Shared.(self)
	 cf = .(self.collider.Position) - .(, self.collider.Size.Y/, )
	 size = Config.FEET_HB_SIZE
	dir = dir  .(,- * self.collider.Size.Y-Config.FOOT_OFFSET_AMOUNT,)

	 result = :(cf, size, dir, params)

	(self, cf, size)

	  result 
		 
	

	 steepness = Shared.(result.Normal)
	 isSurfing = steepness >= Config.MIN_SLOPE_ANGLE  steepness <= Config.MAX_SLOPE_ANGLE
	 isSurfing 
		 , , result, steepness
	

	 , , result


 Shared:()
	 collider = self.collider
	 camera = .CurrentCamera
	 rotationLook = collider.Position + camera.CoordinateFrame.lookVector
	collider.CFrame = .(collider.Position, .(rotationLook.x, collider.Position.y, rotationLook.z))
	collider.RotVelocity = .()


 Shared:(groundNormal)
	 forward = self.Keys.W + -self.Keys.S
	 side = self.Keys.A + -self.Keys.D
	groundNormal = groundNormal  .(,,)

	 forward ==   side ==  
		self.states.input_vec = .zero
		 .zero
	
		self.states.input_vec = .(-side, , -forward).Unit
		 forwardMove = groundNormal:(self.collider.CFrame.RightVector)
		 sideMove = groundNormal:(forwardMove)
		 (forwardMove * forward + sideMove * side).Unit
	


 Shared:()
	 params = RaycastParams.()
	params.FilterDescendantsInstances = {self.character, .CurrentCamera}
	params.FilterType = .RaycastFilterType.Exclude
	params.RespectCanCollide = 
	params.CollisionGroup = 
	 params


 Shared:(start: , scale: number, direction: )
	 .(
		start.X + direction.X * scale,
		start.Y + direction.Y * scale,
		start.Z + direction.Z * scale
	)



 Trace: Movement = {}

 numBumps = 
 maxClipPlanes = 
 _planes = {}

 numToCoord = {, , }

  (self, input, normal, output, overbounce)
	 newVelMod = Vec3Mod.(output)
	Trace.(self, input, normal, newVelMod, overbounce)
	 newVelMod:()


 Trace:(start: , destination: )
	 contactOffset =  

	 longSide = .(contactOffset * contactOffset + contactOffset * contactOffset)
	 direction = (destination - start).Unit
	 maxDistance = (start - destination).Magnitude + longSide

	 result: Trace = {
		startPos = start,
		endPos = destination
	}

	 _, _, hit = Shared.(self, direction*maxDistance)
	 hit 
		result.fraction = hit.Distance / maxDistance
		result.hitPart = hit.Instance
		result.hitPoint = hit.Position
		result.planeNormal = hit.Normal
		result.distance = hit.Distance
	
		result.fraction = 
	

	 result


 Trace:(input: , normal: , output: Types.Vec3Mod, overbounce: number)
	 angle = normal.Y
	 blocked =      

	 angle >   
		blocked = blocked  
	

	 angle ==   
		blocked = blocked  
	

	
	 backoff = input:(normal) * overbounce

	
	 i = , ,  
		 ci = numToCoord[i]
		 change = normal[ci] * backoff
		output[ci] = input[ci] - change
	

	 adjust = output:():(normal)
	 adjust <  
		output = output:()-(normal * adjust)
	

	
	 blocked


 Trace:(velocity: , origin: )

	self = self :: Movement

	 d
	 newVelocity = .zero
	 blocked = 
	 numplanes = 
	 originalVelocity = velocity
	 primalVelocity = velocity

	 allFraction = 
	 timeLeft = self.dt

	 bumpcount = , numBumps,  

		 velocity.Magnitude ==  
			
		

		
		
		 endp = Shared.(self, origin, timeLeft, velocity)
		 trace = Trace.(self, origin, endp)
		allFraction += trace.fraction

		 trace.fraction >  
			
			originalVelocity = velocity
			numplanes = 
		

		
		
		 trace.fraction ==  
			
		 

		
		
		 trace.planeNormal.Y > Config.MAX_SLOPE_ANGLE 
			blocked = blocked  
		

		
		
		 trace.planeNormal.Y ==  
			blocked = blocked   
		

		
		
		timeLeft -= timeLeft * trace.fraction


		
		 numplanes >= maxClipPlanes 
			
			
			velocity = .zero
			
		

		
		_planes[numplanes] = trace.planeNormal
		numplanes+=

		
		

		
		
		
		 numplanes ==  
			 _planes[].Y > Config.MAX_SLOPE_ANGLE 
				 blocked
			
				newVelocity = (self, originalVelocity, _planes[], newVelocity, )
			
			velocity = newVelocity
			originalVelocity = newVelocity
		
			 _i = 
			 i = , numplanes-,  
				_i = i

				newVelocity = (self, originalVelocity, _planes[i], newVelocity, )

				 _j = 
				 j = , numplanes-,  
					_j = j
					 j ~= i  velocity:(_planes[j]) <  
						
					
				

				 _j == numplanes 
					
				
			

			 _i ~= numplanes 

			
				 numplanes ~=  
					velocity = .zero
					
				

				 dir = _planes[]:(_planes[]).Unit
				d = dir:(velocity)
				velocity = dir * d
			
		

		d = velocity:(primalVelocity)
		 d <=  
			velocity = .zero
			
		

	

	 allFraction ==  
		velocity = .zero
	

	 velocity, blocked



  (self: Movement, velocity: ): 
	 vel = .(velocity.X, velocity.Z)
	self.mover.PlaneVelocity = vel
	 vel


 Physics:(groundNormal: )
	 wishDir = Shared.(self, groundNormal)
	 wishSpeed = wishDir.Magnitude * Config.RUN_SPEED

	
	 self.states.air_friction <=  
		Physics.(self)
	

		
		 sub = Config.AIR_MAX_SPEED_FRIC_DEC * self.dt * 
		 curr = self.states.air_friction
		 fric = curr - sub
		 fric <  
			fric = curr + fric
		

		Physics.(self, .(, fric/Config.FRICTION))
		self.states.air_friction = .(, curr - sub)
	

	Physics.(self, wishDir, wishSpeed)
	Collisions.(self, .(self.mover.PlaneVelocity.X, , self.mover.PlaneVelocity.Y))

	
	 Shared.(groundNormal) <  
		
	

	 curVel:  = .(self.mover.PlaneVelocity.X, self.collider.Velocity.Y, self.mover.PlaneVelocity.Y)
	 forVel:  = groundNormal:(.(,.(),).LookVector * curVel)
	 yVel: number = 

	 forVel.Magnitude >  
		yVel = forVel.Unit.Y * curVel.Magnitude
	

	self.collider.Velocity = .(curVel.X, yVel, curVel.Z)


 Physics:(wishDir: , wishSpeed: number)
	 addSpeed
	 accelerationSpeed
	 currentSpeed
	 currentVelocity = .(self.mover.PlaneVelocity.X, , self.mover.PlaneVelocity.Y)
	 newVelocity = currentVelocity

	
	currentSpeed = currentVelocity:(wishDir)
	addSpeed = wishSpeed - currentSpeed

	
	 addSpeed <=    

	
	accelerationSpeed = .(Config.GROUND_ACCEL * self.dt * wishSpeed, addSpeed)

	
	newVelocity += (accelerationSpeed * wishDir)
	newVelocity = .(newVelocity.X,  , newVelocity.Z)

	
	 newVelocity.Magnitude > (Config.RUN_SPEED) 
		newVelocity = newVelocity.Unit * .(newVelocity.Magnitude, (Config.RUN_SPEED))
	

	
	(self, newVelocity)


 Physics:(normal)
	normal = .(,,)
	 vel = .(self.mover.PlaneVelocity.X, , self.mover.PlaneVelocity.Y)
	 wishDir = Shared.(self, normal)
	 wishSpeed = wishDir.Magnitude * Config.AIR_SPEED
	 currSpeed = vel.Magnitude

	
	 currSpeed > Config.AIR_MAX_SPEED 
		self.states.air_friction = Config.AIR_MAX_SPEED_FRIC
	

	
	 self.states.air_friction >    self.states.surfing 
		Physics.(self,  * self.states.air_friction, )
	

	Physics.(self, wishDir, wishSpeed)

	 refVel = .(self.mover.PlaneVelocity.X, self.collider.Velocity.Y, self.mover.PlaneVelocity.Y)
	(self, Trace.(self, refVel, self.collider.Position))


 Physics:(wishDir: , wishSpeed: number)
	 currentSpeed
	 addSpeed
	 accelerationSpeed
	 currentVelocity = .(self.mover.PlaneVelocity.X, , self.mover.PlaneVelocity.Y)

	
	currentSpeed = currentVelocity:(wishDir)
	addSpeed = wishSpeed - currentSpeed

	
	 addSpeed <=    

	
	accelerationSpeed = .(Config.AIR_ACCEL * self.dt * wishSpeed, addSpeed)

	
	 newVelocity = currentVelocity + accelerationSpeed * wishDir

	
	(self, newVelocity)


 Physics:(modifier: number?, inAir: boolean?)
	 vel
	 inAir 
		vel = self.collider.Velocity
	
		vel = .(self.mover.PlaneVelocity.X, , self.mover.PlaneVelocity.Y)
	

	 speed = vel.Magnitude
	modifier = modifier  

	 drop = 
	 fric = inAir  Config.AIR_FRICTION  Config.FRICTION
	 decel = Config.GROUND_DECCEL
	 newSpeed
	 control

	
	 speed <=  
		 vel
	

	
	control = speed < decel  decel  speed
	drop = control * fric * self.dt * modifier
	 (drop) ~=   drop = drop.Magnitude 

	
	newSpeed = .(speed - drop, )
	 speed >   newSpeed >  
		newSpeed /= speed
	

	vel *= newSpeed
	(self, vel)

	 inAir 
		 nv = self.mover.VectorVelocity
		
	


  ()
	Movement.Keys = {W = , S = , D = , A = , Space = }
	Movement.player = .Players.LocalPlayer
	Movement.character = Movement.player.Character  Movement.player.CharacterAdded:()
	Movement.collider = Movement.character:()
	Movement.vispart = 
	Movement.vis_coll_parts = {}
	Movement.config = Config

	 mover = .(, Movement.collider)
	 a0 = .(, Movement.collider)
	a0.Name = 
	mover.Attachment0 = a0
	mover.MaxForce = 
	mover.VelocityConstraintMode = .VelocityConstraintMode.Plane
	mover.PrimaryTangentAxis = .(,,)
	mover.SecondaryTangentAxis = .(,,)
	Movement.mover = mover

	
    

	Movement.states = {grounded = , air_friction = , input_vec = .zero, surfing = }




  ()
	 mod = Movement.config.GRAVITY * Movement.dt
	Movement.collider.AssemblyLinearVelocity = .(
		Movement.collider.AssemblyLinearVelocity.X,
		Movement.collider.AssemblyLinearVelocity.Y - mod,
		Movement.collider.AssemblyLinearVelocity.Z
	)


  ()
	Physics.(Movement)
	 vel = .(Movement.mover.PlaneVelocity.X, Movement.collider.AssemblyLinearVelocity.Y, Movement.mover.PlaneVelocity.Y)
	vel = Trace.(Movement, vel, Movement.collider.CFrame.Position)
	Movement.mover.PlaneVelocity = .(vel.X, vel.Z)
	Movement.collider.AssemblyLinearVelocity = vel


  (groundNormal: )
	Physics.(Movement, groundNormal)


  ()
	sounds[.(, #sounds)]:()
	Movement.temp_jump_last = ()
	Movement.states.jumping = 
	Movement.collider.AssemblyLinearVelocity = .(
		Movement.collider.AssemblyLinearVelocity.X,
		Movement.config.JUMP_VELOCITY,
		Movement.collider.AssemblyLinearVelocity.Z
	)


  ()
	 isGrounded, isSurfing, result = Shared.(Movement)
	Movement.states.grounded = isGrounded  
	Movement.states.surfing = isSurfing  

	 Movement.collider.AssemblyLinearVelocity.Y <  
		Movement.states.jumping = 

	

	Shared.(Movement)

	 Movement.states.jumping   Movement.states.grounded 
		 groundNormal = 
		 isSurfing 
			groundNormal = result.Normal
			 Movement.collider.Velocity.Y >  
				
			
		

		(groundNormal)
		()
	 Movement.Keys.Space >  
		()
		()
	
		(result.Normal)
	




  (input: InputObject, gp: boolean)
	 input.KeyCode  Movement.Keys[input.KeyCode.Name] 
		Movement.Keys[input.KeyCode.Name] = 
	


  (input: InputObject, gp: boolean)
	 input.KeyCode  Movement.Keys[input.KeyCode.Name] 
		Movement.Keys[input.KeyCode.Name] = 
	


  (dt)
	Movement.dt = dt
	()


()
UserInputService.InputBegan:(InputBegan)
UserInputService.InputEnded:(InputEnded)
RunService.RenderStepped:(Update)