godot-start/scene/demo06_move/script/move.gd

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2023-11-18 04:36:34 +00:00
extends Sprite2D
# How fast the player will move (pixels/sec).
@export var speed = 400
# Size of the game window.
var screen_size
func _ready():
screen_size = get_viewport_rect().size
func _process(delta):
var velocity = Vector2.ZERO # The player's movement vector.
if Input.is_action_pressed("move_right"):
velocity.x += 1
if Input.is_action_pressed("move_left"):
velocity.x -= 1
if Input.is_action_pressed("move_down"):
velocity.y += 1
if Input.is_action_pressed("move_up"):
velocity.y -= 1
if velocity.length() <= 0:
return
velocity = velocity.normalized() * speed
position += velocity * delta
position.x = clamp(position.x, 0, screen_size.x)
position.y = clamp(position.y, 0, screen_size.y)