funnymemellama/Player.gd

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GDScript3
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extends CharacterBody3D
# Member variables
const QUAKE = 0.0625
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const g = -800 * QUAKE
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const MAX_SPEED = 320 * QUAKE
const MAX_AIR_SPEED = 30 * QUAKE
const FRICTION = 4# * QUAKE
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const STOP_SPEED = 100 * QUAKE
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const ACCEL = 15# * QUAKE
const AIR_ACCEL = 2# * QUAKE
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const FORWARD_SPEED = 200 * QUAKE
const SIDE_SPEED = 350 * QUAKE
const UP_SPEED = 270 * QUAKE
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const JUMP_SPEED = 270 * QUAKE
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# const DEACCEL= 8
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# const MAX_SLOPE_ANGLE = 30https://www.youtube.com/watch?v=v3zT3Z5apaM
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@onready
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var _camera = $CSGMesh3D/Camera3D
@onready
var _ball = $Ball
@onready
var _collider = $CollisionShape3D
@onready
var _flashlight: SpotLight3D = $Flashlight
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var _paused = false
var _noclip = false
func _ready():
Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
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func _process(delta):
# Do this on the render tick so it doesnt jitter at higher FPS
_ball.global_position = _camera.global_position - _camera.global_transform.basis.z * 2.0
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func _physics_process(delta):
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# Shamelessly stolen code from quake :)
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var fmove = 0.0
var smove = 0.0
var upmove = 0.0
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if Input.is_action_pressed("move_forward"):
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fmove += -FORWARD_SPEED
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if Input.is_action_pressed("move_backwards"):
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fmove += FORWARD_SPEED
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if Input.is_action_pressed("move_left"):
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smove += -SIDE_SPEED
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if Input.is_action_pressed("move_right"):
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smove += SIDE_SPEED
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#if Input.is_action_pressed("up"):
# upmove += UP_SPEED
if Input.is_action_pressed("run"):
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fmove *= 2.0
smove *= 2.0
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var wishvel = Vector3()
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var cam_xform: Transform3D = _camera.get_global_transform()
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var cam_basis: Basis = cam_xform.basis
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wishvel = cam_basis.z * fmove + cam_basis.x * smove
if _noclip:
wishvel.y += upmove
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var wishdir = wishvel.normalized()
var wishspeed = wishvel.length()
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if wishspeed > MAX_SPEED:
wishvel *= MAX_SPEED / wishspeed
wishspeed = MAX_SPEED
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if Input.is_action_pressed("jump") and is_on_floor():
velocity.y += JUMP_SPEED
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var vel = velocity
if _noclip:
vel = wishvel
elif is_on_floor():
vel = _apply_friction(vel, delta)
vel = _apply_accel(vel, wishdir, wishspeed, delta)
else:
vel = _apply_air_accel(vel, wishvel, wishspeed, delta)
if not _noclip:
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vel.y += g * delta
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velocity = vel
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move_and_slide()
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func _apply_friction(vel: Vector3, delta: float):
var speed = sqrt(vel.x ** 2 + vel.z ** 2)
if(speed == 0.0): return vel
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# TODO: edge detect friction?
var friction = FRICTION
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var control = 0.0
if speed < STOP_SPEED:
control = STOP_SPEED
else:
control = speed
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var newspeed = speed - delta * control * friction
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if newspeed < 0.0:
newspeed = 0.0
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else:
newspeed /= speed
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return vel * newspeed
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func _apply_accel(vel: Vector3, wishdir: Vector3, wishspeed: float, delta: float):
var currentspeed = vel.dot(wishdir)
var addspeed = wishspeed - currentspeed
if addspeed <= 0.0:
return vel
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var accelspeed = ACCEL * delta * wishspeed
if accelspeed > addspeed:
accelspeed = addspeed
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return vel + accelspeed * wishdir
func _apply_air_accel(vel: Vector3, wishvel: Vector3, wishspeed: float, delta: float):
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var wishveloc = wishvel.normalized()
var wishspd = wishvel.length()
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if wishspd > MAX_AIR_SPEED:
wishspd = MAX_AIR_SPEED
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var currentspeed = vel.dot(wishveloc)
var addspeed = wishspd - currentspeed
if addspeed <= 0:
return vel
var accelspeed = AIR_ACCEL * wishspeed * delta
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if accelspeed > addspeed:
accelspeed = addspeed
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return vel + accelspeed * wishveloc
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func _input(event):
if event.is_action_pressed("pause"):
_paused = not _paused
if _paused:
Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
else:
Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
if _paused: return
if event.is_action_pressed('noclip'):
_noclip = not _noclip
if _noclip:
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_collider.disabled = true
else:
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_collider.disabled = false
if event.is_action_pressed('flashlight'):
_flashlight.visible = not _flashlight.visible
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# Camera
if event is InputEventMouseMotion:
rotation.y += -event.relative.x * 0.005
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_camera.rotation.x += -event.relative.y * 0.005
_camera.rotation.x = clamp(_camera.rotation.x, deg_to_rad(-70), deg_to_rad(70))
# Rotate flashlight
_flashlight.rotation.x = _camera.rotation.x
if event.is_action_pressed("interact"):
var space_state = get_world_3d().direct_space_state
# use global coordinates, not local to node
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var query = PhysicsRayQueryParameters3D.create(_camera.global_position, _ball.global_position)
# Don't collide with ourselves
query.exclude = [self]
var result = space_state.intersect_ray(query)
if result.has('collider'):
var other: Node3D = result.collider
if other.has_method('interact'):
other.interact(self)