48 lines
1.0 KiB
Python
48 lines
1.0 KiB
Python
import math
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def to_fps(delta_time: float) -> float:
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"""
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Convert delta time to FPS value.
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:param delta_time: The delta time.
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:return: The FPS in float value.
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"""
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if delta_time <= 0.0:
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raise RuntimeError("delta time should not be zero or negative")
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else:
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return 1.0 / delta_time
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def to_int_fps(delta_time: float) -> int:
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"""
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Convert delta time to integer FPS value.
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:param delta_time: The delta time.
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:return: The integer FPS (rounded down).
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"""
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return int(math.floor(to_fps(delta_time)))
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def from_fps(fps: float) -> float:
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"""
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Convert FPS value to delta time.
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:param fps: The FPS value.
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:return: The delta time.
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"""
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if fps <= 0.0:
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raise RuntimeError("fps should not be zero or negative")
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else:
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return 1.0 / fps
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def from_int_fps(fps: int) -> float:
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"""
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Convert integer FPS value to delta time.
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:param fps: The integer FPS value.
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:return: The delta time.
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"""
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return from_fps(float(fps))
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