pandemonium_engine/modules/paint/actions/Pencil.gd

44 lines
1.0 KiB
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:
for p in get_points(canvas, pixel):
_set_pixel(canvas, p, data[2])
func _set_pixel(canvas, pixel, color):
action_data.undo.colors.append(canvas.get_pixel_v(pixel))
action_data.undo.cells.append(pixel)
canvas.set_pixel_v(pixel, color)
action_data.redo.cells.append(pixel)
action_data.redo.colors.append(color)
func commit_action(canvas):
var cells = action_data.redo.cells
var colors = action_data.redo.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(action_data.layer, cells[idx], colors[idx])
func redo_action(canvas):
var cells = action_data.redo.cells
var colors = action_data.redo.colors
for idx in range(cells.size()):
canvas._set_pixel_v(action_data.layer, cells[idx], colors[idx])