fixed some null colors in tools, added icon

.import/icon.png-487276ed1e3a0c39cad0279d744ee560.md5

@@ -1,3 +1,3 @@
-source_md5="47313fa4c47a9963fddd764e1ec6e4a8"
-dest_md5="2ded9e7f9060e2b530aab678b135fc5b"
+source_md5="d398c4d821a32ca4f03ae87d317d0b53"
+dest_md5="60bce7a9e8705550897a273f75cb13c2"
 

README.md

@@ -1,5 +1,6 @@
 # Godoxel (image Editor) v0.1
-###### Godot Pixel Editor
+###### (Godot-Pixel Image Editor)
+
 
 Godoxel is an image editor for Godot, that can be used inside the editor.
 
@@ -11,3 +12,6 @@ Godoxel is an image editor for Godot, that can be used inside the editor.
 * Save/Load
 * Multiple layers (can be locked/hidden)
 * Tools: Pencil, lighten/darken, rectangle/line, fill, ...
+
+---
+###### For feature proposals or occuring problems, please write an issue or message me on Discord cobrapitz#2872

addons/Godoxel/actions/Line.gd

@@ -26,6 +26,8 @@ func commit_action(canvas):
 	var cells = action_data.preview.cells
 	var colors = action_data.preview.colors
 	for idx in range(cells.size()):
+		if canvas.get_pixel_v(cells[idx]) == null:
+			continue
 		action_data.undo.cells.append(cells[idx])
 		action_data.undo.colors.append(canvas.get_pixel_v(cells[idx]))
 		

addons/Godoxel/actions/Rainbow.gd

@@ -7,6 +7,8 @@ func do_action(canvas, data: Array):
 	
 	var pixels = GEUtils.get_pixels_in_line(data[0], data[1])
 	for pixel in pixels:
+		if canvas.get_pixel_v(pixel) == null:
+			continue
 		if pixel in action_data.undo.cells:
 			var color = GEUtils.random_color()
 			canvas.set_pixel_v(pixel, color)

addons/Godoxel/actions/Rect.gd

@@ -26,6 +26,8 @@ func do_action(canvas, data: Array):
 	pixels += GEUtils.get_pixels_in_line(p + s, p + s  + Vector2(-s.x, 0))
 	
 	for pixel in pixels:
+		if canvas.get_pixel_v(pixel) == null:
+			continue
 		canvas.set_preview_pixel_v(pixel, data[2])
 		action_data.undo.cells.append(pixel)
 		action_data.undo.colors.append(canvas.get_pixel_v(pixel))