37 lines
1.2 KiB
GDScript
37 lines
1.2 KiB
GDScript
extends CharacterBody2D
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var _grid_pos: Vector2i = Vector2i.ZERO
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var _grid_tween: Tween = null
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var _cached_dir: Vector2i = Vector2i.ZERO #used for reversing the current input
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func _physics_process(delta: float) -> void:
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#WARNING: this has the potential for getting stuck
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if _grid_pos * 32 == Vector2i(position):
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_check_grid_move(delta)
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func _check_grid_move(delta: float) -> void:
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if Input.is_action_pressed("input_north"):
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_set_grid_move(Vector2i.UP)
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elif Input.is_action_pressed("input_south"):
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_set_grid_move(Vector2i.DOWN)
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elif Input.is_action_pressed("input_west"):
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_set_grid_move(Vector2i.LEFT)
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elif Input.is_action_pressed("input_east"):
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_set_grid_move(Vector2i.RIGHT)
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func _set_grid_move(grid_dir: Vector2i):
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_cached_dir = grid_dir
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_grid_pos += grid_dir
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_grid_tween = create_tween()
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_grid_tween.set_ease(Tween.EASE_OUT_IN)
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_grid_tween.set_trans(Tween.TRANS_QUAD)
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_grid_tween.tween_property(self, "position", Vector2(_grid_pos * 32), 0.3)
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func repel_collision(_other: Node2D) -> void:
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#NOTE: character's collider has a 1 pixel margin
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if _cached_dir != Vector2i.ZERO:
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_grid_tween.kill()
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_set_grid_move(-_cached_dir) #go backwards
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_cached_dir = Vector2i.ZERO #only do this once each collision
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