2020-06-04 11:11:24 +00:00
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class_name Drawer
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2020-05-01 17:47:10 +00:00
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2020-06-04 11:11:24 +00:00
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class SimpleDrawer:
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2020-04-30 21:02:52 +00:00
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func set_pixel(_sprite: Image, _pos: Vector2, _new_color: Color) -> void:
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_sprite.set_pixel(_pos.x, _pos.y, _new_color)
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2020-04-27 15:09:54 +00:00
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2020-06-04 11:11:24 +00:00
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class PixelPerfectDrawer:
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2020-04-27 15:09:54 +00:00
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const neighbours = [Vector2(0, 1), Vector2(1, 0), Vector2(-1, 0), Vector2(0, -1)]
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const corners = [Vector2(1, 1), Vector2(-1, -1), Vector2(-1, 1), Vector2(1, -1)]
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var last_pixels = [null, null]
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2020-05-01 17:47:10 +00:00
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2020-05-07 14:02:35 +00:00
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func reset() -> void:
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2020-04-27 15:09:54 +00:00
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last_pixels = [null, null]
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2020-05-01 17:47:10 +00:00
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2020-04-30 21:02:52 +00:00
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func set_pixel(_sprite: Image, _pos: Vector2, _new_color: Color) -> void:
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last_pixels.push_back([_pos, _sprite.get_pixel(_pos.x, _pos.y)])
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_sprite.set_pixel(_pos.x, _pos.y, _new_color)
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2020-04-27 15:09:54 +00:00
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var corner = last_pixels.pop_front()
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var neighbour = last_pixels[0]
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if corner == null or neighbour == null:
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return
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2020-04-30 21:02:52 +00:00
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if _pos - corner[0] in corners and _pos - neighbour[0] in neighbours:
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_sprite.set_pixel(neighbour[0].x, neighbour[0].y, neighbour[1])
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2020-04-27 15:09:54 +00:00
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last_pixels[0] = corner
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2020-06-04 11:11:24 +00:00
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var pixel_perfect := false setget set_pixel_perfect
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var h_mirror := false
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var v_mirror := false
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var simple_drawer := SimpleDrawer.new()
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var pixel_perfect_drawers = [PixelPerfectDrawer.new(), PixelPerfectDrawer.new(), PixelPerfectDrawer.new(), PixelPerfectDrawer.new()]
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var drawers = [simple_drawer, simple_drawer, simple_drawer, simple_drawer]
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func reset() -> void:
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for drawer in pixel_perfect_drawers:
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drawer.reset()
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func set_pixel_perfect(value: bool) -> void:
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pixel_perfect = value
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if pixel_perfect:
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drawers = pixel_perfect_drawers.duplicate()
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else:
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drawers = [simple_drawer, simple_drawer, simple_drawer, simple_drawer]
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func set_pixel(_sprite: Image, _pos: Vector2, _new_color: Color) -> void:
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2020-06-04 15:20:56 +00:00
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var mirror_x = Global.canvas.x_max + Global.canvas.x_min - _pos.x - 1
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var mirror_y = Global.canvas.y_max + Global.canvas.y_min - _pos.y - 1
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2020-06-04 11:11:24 +00:00
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drawers[0].set_pixel(_sprite, _pos, _new_color)
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if h_mirror:
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drawers[1].set_pixel(_sprite, Vector2(mirror_x, _pos.y), _new_color)
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if v_mirror:
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drawers[2].set_pixel(_sprite, Vector2(mirror_x, mirror_y), _new_color)
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if v_mirror:
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drawers[3].set_pixel(_sprite, Vector2(_pos.x, mirror_y), _new_color)
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