Rijad Zuzo
60 lines
1.6 KiB
GDScript
60 lines
1.6 KiB
GDScript
class_name AnalyticalRegionalUpdates
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extends RefCounted
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static func linear_value(
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current_value: float,
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rate_per_tick: float,
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elapsed_ticks: int,
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minimum: float = -INF,
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maximum: float = INF
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) -> float:
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if elapsed_ticks <= 0 or not is_finite(current_value) or not is_finite(rate_per_tick):
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return clampf(current_value, minimum, maximum)
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return clampf(current_value + rate_per_tick * elapsed_ticks, minimum, maximum)
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static func exponential_value(
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current_value: float,
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multiplier_per_tick: float,
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elapsed_ticks: int,
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minimum: float = -INF,
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maximum: float = INF
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) -> float:
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if (
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elapsed_ticks <= 0
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or not is_finite(current_value)
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or not is_finite(multiplier_per_tick)
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or multiplier_per_tick < 0.0
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):
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return clampf(current_value, minimum, maximum)
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return clampf(current_value * pow(multiplier_per_tick, elapsed_ticks), minimum, maximum)
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static func periodic_occurrences(
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first_due_tick: int, interval_ticks: int, through_tick: int
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) -> int:
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if first_due_tick < 0 or interval_ticks <= 0 or through_tick < first_due_tick:
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return 0
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return (through_tick - first_due_tick) / interval_ticks + 1
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static func transfer_amount(
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available: float,
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demand: float,
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rate_per_tick: float,
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elapsed_ticks: int,
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loss_fraction: float = 0.0
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) -> Dictionary:
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var sent := minf(
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maxf(available, 0.0),
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minf(maxf(demand, 0.0), maxf(rate_per_tick, 0.0) * maxi(elapsed_ticks, 0))
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)
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var received := sent * (1.0 - clampf(loss_fraction, 0.0, 1.0))
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return {
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"sent": sent,
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"received": received,
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"remaining_available": maxf(available - sent, 0.0),
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"remaining_demand": maxf(demand - received, 0.0),
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}
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