- Create a Node2D.
- Attach AStart2DVisualizer.gd to it.
- Somewhere in your code pass your AStar2D instance to its .visualize(astar) method, i.e.:
get_node(path_to_your_visualizer_node).visualize(astar) - Then run your game and you should see something like this:
Last active
July 17, 2022 15:08
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AStar2D Visualizer for Godot
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| extends Node2D | |
| class_name AStar2DVisualizer | |
| export(float) var point_radius = 6 | |
| export(float) var scale_multiplier = 16 | |
| export(Vector2) var offset = Vector2(0,0) | |
| export(Color) var enabled_point_color = Color('00ff00') | |
| export(Color) var disabled_point_color = Color('ff0000') | |
| export(Color) var line_color = Color('0000ff') | |
| export(float) var line_width = 2 | |
| var astar : AStar2D | |
| func visualize(new_astar : AStar2D): | |
| astar = new_astar | |
| update() | |
| func _point_pos(id): | |
| return offset + astar.get_point_position(id) * scale_multiplier | |
| func _draw(): | |
| if not astar: | |
| return | |
| for point in astar.get_points(): | |
| for other in astar.get_point_connections(point): | |
| draw_line(_point_pos(point), _point_pos(other), line_color, line_width) | |
| var point_color = disabled_point_color if astar.is_point_disabled(point) else enabled_point_color | |
| draw_circle(_point_pos(point), point_radius, point_color) |
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