bendns' repos / sokoban
sokoban
Diffstat (limited to 'Box.gd')
-rw-r--r--Box.gd65
1 files changed, 65 insertions, 0 deletions
diff --git a/Box.gd b/Box.gd
new file mode 100644
index 0000000..0a4957b
--- /dev/null
+++ b/Box.gd
@@ -0,0 +1,65 @@
+extends Node2D
+
+var main
+var target_count = 0
+var game_over = false
+
+signal target_updated
+signal game_over_detected
+
+
+func push(offset: Vector2) -> bool:
+ $RayCast.cast_to = offset
+ $RayCast.force_raycast_update()
+
+ if $RayCast.is_colliding():
+ return false
+
+ $Tween.interpolate_property(
+ self,
+ "position",
+ self.position,
+ self.position + offset,
+ 0.35,
+ Tween.TRANS_LINEAR,
+ Tween.EASE_IN_OUT
+ )
+ $Tween.start()
+ SoundFx.play("motion_box", -17, rand_range(.5, 1))
+ return true
+
+
+func _is_stuck_in_a_corner() -> bool:
+ var left_or_right_blocked = (
+ $WallChecks/LR/Left.is_colliding()
+ or $WallChecks/LR/Right.is_colliding()
+ )
+ var up_or_down_blocked = $WallChecks/DU/Up.is_colliding() or $WallChecks/DU/Down.is_colliding()
+
+ return left_or_right_blocked and up_or_down_blocked
+
+
+func entered_target(_target):
+ target_count += 1
+ _update_check_mark()
+ emit_signal("target_updated")
+
+
+func left_target(_target):
+ target_count -= 1
+ _update_check_mark()
+ emit_signal("target_updated")
+
+
+func _update_check_mark():
+ $CheckSprite.visible = target_count > 0
+
+
+func check_over():
+ yield(get_tree().create_timer(0.2), "timeout")
+ if target_count == 0 and not main.game_over and _is_stuck_in_a_corner():
+ emit_signal("game_over_detected")
+
+
+func _on_Tween_tween_all_completed():
+ check_over()