ft: switch to click movement

evolve-die-repeat/molecular/molecular_player.gd

@@ -23,6 +23,7 @@ var healthPoints: int = 100
 var isAlive: bool = true
 @onready var invulnerable_cooldown_timer: Timer = $InvulnerableCooldownTimer
 var hasiframes: bool = false  # only used for iframe after collision for now
+var target = Vector2.ZERO # either vector2 or Node2D
 
 func _ready() -> void:
 	var screen_size = get_viewport_rect().size
@@ -35,31 +36,37 @@ func _ready() -> void:
 	sprite.play("default")
 
 
+func _input(event):
+	# TODO: only does clicks/taps; accept mouse drags
+	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
+		target = get_global_mouse_position()
+
+func _physics_process(delta):
+	var pos
+	if typeof(target) == TYPE_VECTOR2:
+		pos = target
+	elif "position" in target:
+		pos = target.position
+	else:
+		return
+	var dir: Vector2 = position.direction_to(pos)
+
+	if position.distance_to(pos) > 2:
+		self.desired_rotation = atan2(dir.y, dir.x)
+		move_and_collide(speed * dir * delta)
+		position = GameManager.get_boundaried_position(position)
+
+
 func _process(delta):
 	if isAlive:
-		velocity = Vector2.ZERO
-		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 Input.is_action_pressed("try_attack"):
 			try_attack()
 
-
-	if not velocity.is_zero_approx():
-		self.desired_rotation = atan2(velocity.y, velocity.x)
-		
 	# smoothly rotate
 	if self.rotation != self.desired_rotation: 
 		self.rotation = lerp_angle(self.rotation, self.desired_rotation, clampf(4 * delta, 0, 1))
-
-	move_and_collide(speed * velocity * delta)
-	position = GameManager.get_boundaried_position(position)
 	
+
 func try_attack() -> void:
 	if not can_attack:
 		return