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https://github.com/Orama-Interactive/Pixelorama.git
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1ccd5dde7a
* Add pixel perfect mode for pencil and eraser * Add Pixel Perfect for left and right tools Co-authored-by: Dávid Gábor Bodor <david.gabor.bodr@gmail.com>
38 lines
1 KiB
GDScript
38 lines
1 KiB
GDScript
class Drawer:
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func reset() -> void:
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pass
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func set_pixel(sprite: Image, pos: Vector2, new_color: Color) -> void:
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pass
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class SimpleDrawer extends Drawer:
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func reset() -> void:
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pass
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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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class PixelPerfectDrawer extends Drawer:
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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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func reset():
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last_pixels = [null, null]
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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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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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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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last_pixels[0] = corner
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