63 lines
1.8 KiB
GDScript3
63 lines
1.8 KiB
GDScript3
|
extends StaticBody2D
|
||
|
|
# constants
|
||
|
|
## acceleration of the car while holding the accelerate button
|
||
|
|
@export var acc := 20.
|
||
|
|
## natural deceleration of the car
|
||
|
|
@export var dec := 4.
|
||
|
|
## maximum speed of the car
|
||
|
|
@export var max_speed := 100.
|
||
|
|
## how many radians the car turns per second, higher value -> faster turns
|
||
|
|
@export var turn_speed := 1.
|
||
|
|
## affects how fast the brakes, higher value -> quicker to stand still
|
||
|
|
@export var brake_strength := 30.
|
||
|
|
## regulates how much more you can turn while breaking, values below 1 mean you can turn worse while drifting
|
||
|
|
@export var drift_factor := 1.5
|
||
|
|
## regulates how far the camera looks ahead of the player (affected by speed)
|
||
|
|
@export var camera_offset_factor = 20.
|
||
|
|
|
||
|
|
# references
|
||
|
|
@export var camera : Camera2D
|
||
|
|
|
||
|
|
# variables
|
||
|
|
var momentum: Vector2
|
||
|
|
|
||
|
|
# Called when the node enters the scene tree for the first time.
|
||
|
|
func _ready():
|
||
|
|
pass
|
||
|
|
|
||
|
|
|
||
|
|
# Called every frame. 'delta' is the elapsed time since the previous frame.
|
||
|
|
func _process(delta):
|
||
|
|
var acc_d = acc * delta
|
||
|
|
var dec_d = dec * delta
|
||
|
|
var turn_d = turn_speed * delta
|
||
|
|
var brake_d = brake_strength * delta
|
||
|
|
var turn_factor = 1
|
||
|
|
|
||
|
|
if momentum.length() > dec_d:
|
||
|
|
momentum -= momentum.normalized()*dec_d
|
||
|
|
else:
|
||
|
|
momentum = Vector2(0,0)
|
||
|
|
|
||
|
|
if Input.is_action_pressed("accelerate"):
|
||
|
|
momentum += acc_d * Vector2(1,0).rotated(rotation)
|
||
|
|
|
||
|
|
if Input.is_action_pressed("brake"):
|
||
|
|
turn_factor = drift_factor
|
||
|
|
if momentum.length() > brake_d:
|
||
|
|
momentum -= momentum.normalized() * brake_d
|
||
|
|
else:
|
||
|
|
momentum = Vector2(0,0)
|
||
|
|
|
||
|
|
if Input.is_action_pressed("left"):
|
||
|
|
rotate(turn_d*turn_factor*-1)
|
||
|
|
if Input.is_action_pressed("right"):
|
||
|
|
rotate(turn_d*turn_factor)
|
||
|
|
|
||
|
|
camera.position = Vector2(momentum.length() * camera_offset_factor, 0)
|
||
|
|
camera.rotation_degrees = momentum.angle() + 90
|
||
|
|
|
||
|
|
if momentum.length() > max_speed:
|
||
|
|
momentum = momentum.normalized() * max_speed
|
||
|
|
move_and_collide(momentum)
|