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32 lines
774 B
Haxe
32 lines
774 B
Haxe
package funkin.util;
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/**
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* Utilities for performing mathematical operations.
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*/
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class MathUtil
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{
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/**
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* Perform linear interpolation between the base and the target, based on the current framerate.
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*/
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public static function coolLerp(base:Float, target:Float, ratio:Float):Float
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{
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return base + cameraLerp(ratio) * (target - base);
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}
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public static function cameraLerp(lerp:Float):Float
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{
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return lerp * (FlxG.elapsed / (1 / 60));
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}
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/**
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* Get the logarithm of a value with a given base.
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* @param base The base of the logarithm.
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* @param value The value to get the logarithm of.
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* @return `log_base(value)`
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*/
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public static function logBase(base:Float, value:Float):Float
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{
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return Math.log(value) / Math.log(base);
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}
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}
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