GraphicsEditor/addons/graphics_editor/actions/Pencil.gd

36 lines
788 B
GDScript

extends GEAction
class_name GEPencil
func do_action(canvas, data: Array):
.do_action(canvas, data)
var pixels = GEUtils.get_pixels_in_line(data[0], data[1])
for pixel in pixels:
if pixel in action_data.undo.cells or canvas.get_pixel_v(pixel) == null:
continue
action_data.undo.colors.append(canvas.get_pixel_v(pixel))
action_data.undo.cells.append(pixel)
canvas.set_pixel_v(pixel, data[2])
action_data.do.cells.append(pixel)
action_data.do.colors.append(data[2])
func commit_action(canvas):
var cells = action_data.do.cells
var colors = action_data.do.colors
return []
func undo_action(canvas):
var cells = action_data.undo.cells
var colors = action_data.undo.colors
for idx in range(cells.size()):
canvas.set_pixel_v(cells[idx], colors[idx])