51 lines
1.1 KiB
GDScript
51 lines
1.1 KiB
GDScript
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extends Navigation2D
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# Member variables
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const SPEED = 200.0
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var begin = Vector2()
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var end = Vector2()
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var path = []
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func _process(delta):
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if (path.size() > 1):
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var to_walk = delta*SPEED
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while(to_walk > 0 and path.size() >= 2):
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var pfrom = path[path.size() - 1]
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var pto = path[path.size() - 2]
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var d = pfrom.distance_to(pto)
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if (d <= to_walk):
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path.remove(path.size() - 1)
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to_walk -= d
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else:
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path[path.size() - 1] = pfrom.linear_interpolate(pto, to_walk/d)
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to_walk = 0
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var atpos = path[path.size() - 1]
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get_node("agent").position=atpos
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if (path.size() < 2):
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path = []
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set_process(false)
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else:
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set_process(false)
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func _update_path():
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var p = get_simple_path(begin, end, true)
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path = Array(p) # Vector2array too complex to use, convert to regular array
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path.invert()
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set_process(true)
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func _input(event):
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if (event is InputEventMouseButton and event.pressed and event.button_index == 1):
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begin = get_node("agent").position
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# Mouse to local navigation coordinates
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end = event.position - position
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_update_path()
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