idlebreakout/balls/ball.gd

extends CharacterBody2D

@export var speed: float = 5
@export var strength: int = 1

const _speed_mult: float = 5000

var _direction: Vector2
var _velocity: Vector2
var deg: float

func _ready():
	var randvalue = _get_rand_direction()
	_direction = Vector2.UP.rotated(deg_to_rad(randvalue))

func _get_rand_direction() -> float:
	var value = randf_range(0.0, 360.0)
	if value < 10 \
		or (value >= 80 and value < 100) \
		or (value >= 170 and value < 190) \
		or (value >= 260 and value < 280) \
		or value >= 350:
			return _get_rand_direction()
	return value

func _physics_process(delta):
	_velocity.x = speed * _speed_mult * _direction.x * delta
	_velocity.y = speed * _speed_mult * _direction.y * delta

	var collide = move_and_collide(_velocity * delta)
	if collide:
		deg = rad_to_deg(collide.get_angle())
		if (deg >= 45 and deg < 135) or (deg >= 225 and deg < 315):
			_invert_x()
		if (deg >= 135 and deg < 225) or deg < 45 or deg >= 315:
			_invert_y()
		if collide.get_collider().get_parent() is Block:
			collide.get_collider().get_parent().take_damage(strength)

func _invert_x():
	_direction.x *= -1

func _invert_y():
	_direction.y *= -1