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24 lines
660 B
GDScript
24 lines
660 B
GDScript
extends Node2D
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func _process(_delta: float) -> void:
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# Keep redrawing on every frame.
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queue_redraw()
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func _draw() -> void:
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# Get the touch helper singleton.
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var touch_helper: Node = $"/root/TouchHelper"
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# Draw every pointer as a circle.
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for ptr_index: int in touch_helper.state.keys():
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var pos: Vector2 = touch_helper.state[ptr_index]
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var color := _get_color_for_ptr_index(ptr_index)
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color.a = 0.75
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draw_circle(pos, 40.0, color)
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## Returns a unique-looking color for the specified index.
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func _get_color_for_ptr_index(index: int) -> Color:
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var x := (index % 7) + 1
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return Color(float(bool(x & 1)), float(bool(x & 2)), float(bool(x & 4)))
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