39 lines
1.2 KiB
GDScript
39 lines
1.2 KiB
GDScript
extends ScrollContainer
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# Scroll direction: 1 = down, -1 = up
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var scroll_direction: int = 1
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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scroll_direction = 1
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(delta: float) -> void:
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var speed_pixels_per_second: float = float(Settings.inspiration_list_speed) * 60.0
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var scroll_amount: float = speed_pixels_per_second * delta * float(scroll_direction)
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var scroll_bar = get_v_scroll_bar()
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# Don't scroll if list is empty or too short
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if scroll_bar.max_value <= 0:
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return
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var current_pos = scroll_bar.value
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if scroll_direction == 1:
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# Scrolling down
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if current_pos + scroll_bar.page < scroll_bar.max_value:
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scroll_bar.value = min(current_pos + scroll_amount, scroll_bar.max_value - scroll_bar.page)
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else:
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# Reached bottom, reverse direction
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scroll_direction = -1
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scroll_bar.value = scroll_bar.max_value - scroll_bar.page
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else:
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# Scrolling up
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if current_pos > 0:
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scroll_bar.value = max(current_pos + scroll_amount, 0)
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else:
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# Reached top, reverse direction
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scroll_direction = 1
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scroll_bar.value = 0
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