69 lines
1.5 KiB
GDScript3
69 lines
1.5 KiB
GDScript3
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class_name GDActionNodeInterval extends GDActionNode
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var duration = 0.0
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var old_eased_value = 0.0
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func get_class() -> String:
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return "GDActionNodeInterval"
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func _init(action, key, node).(action, key, node):
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pass
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func _process(delta):
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if (not is_instance_valid(node)) or duration <= 0.0:
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finished()
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return
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delta *= speed
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current_time += delta
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if current_time <= delay:
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return
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if current_time > duration + delay:
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# final frame call update
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_update_ease_in(duration, duration + delay + delta - current_time)
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current_time = duration + delay
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finished()
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return
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if current_time - delta < delay and current_time > delay:
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# first frame call update
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_update_ease_in(current_time - delay, current_time - delay)
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return
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_update_ease_in(current_time - delay, delta)
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func _update_ease_in(value: float, delta: float):
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if ease_func_value != null:
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var eased_value = ease(value / duration, ease_func_value)
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_update(eased_value * duration, eased_value, (eased_value - old_eased_value) * duration)
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old_eased_value = eased_value
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elif time_func != null:
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var eased_value = time_func.interpolate(value / duration)
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_update(eased_value * duration, eased_value, (eased_value - old_eased_value) * duration)
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old_eased_value = eased_value
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else:
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_update(value, value / duration, delta)
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# Virtual function
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# value: 0.0 -> duration
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# eased_value: 0.0 -> 1.0
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# delta: new_value - old_value
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func _update(value: float, eased_value: float, delta: float):
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pass
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func _reset_value():
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._reset_value()
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self.old_eased_value = 0.0
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