Rijad Zuzo
36 lines
1.0 KiB
GDScript
36 lines
1.0 KiB
GDScript
class_name SimulationClock
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extends RefCounted
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var tick_interval: float
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var accumulator := 0.0
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var elapsed_ticks := 0
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var cycle_duration_seconds := 240.0
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func _init(interval: float = 1.0) -> void:
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tick_interval = maxf(interval, 0.0001)
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func advance(delta: float, max_ticks: int = 0) -> int:
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accumulator += maxf(delta, 0.0)
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var ticks_due := 0
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while accumulator >= tick_interval and (max_ticks <= 0 or ticks_due < max_ticks):
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accumulator -= tick_interval
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elapsed_ticks += 1
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ticks_due += 1
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return ticks_due
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func reset() -> void:
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accumulator = 0.0
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elapsed_ticks = 0
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func time_of_day() -> float:
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# A capped frame can leave several whole ticks in the accumulator. Those ticks
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# are backlog, not simulated time yet; only retain the sub-tick fraction for
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# smooth presentation until the manager consumes the remaining work.
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var fractional_progress := fmod(accumulator, tick_interval)
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var total_seconds := elapsed_ticks * tick_interval + fractional_progress
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return fmod(total_seconds / maxf(cycle_duration_seconds, 1.0), 1.0)
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