# Mathf > A collection of common math functions. ## Definition * **Type:** Struct * **Namespace:** [UnityEngine](/engine/6000.0/script-reference/unityengine.md) * **Assembly:** UnityEngine.CoreModule ```csharp public struct Mathf ``` ## Static Fields | Value | Description | | ----------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [Deg2Rad](/engine/6000.0/script-reference/unityengine/mathf/deg2rad.md) | Degrees-to-radians conversion constant (Read Only). | | [Epsilon](/engine/6000.0/script-reference/unityengine/mathf/epsilon.md) | The smallest positive non-zero value that a float can represent. Using `Mathf.Epsilon` as a delta for equality makes the comparison effectively identical to exact equality on normal-range numbers. For an approximately equal value, use [Mathf.Approximately](/engine/6000.0/script-reference/unityengine/mathf/approximately.md) or a tolerance that reflects your data’s scale, typically a combination of absolute and relative tolerances. | | [Infinity](/engine/6000.0/script-reference/unityengine/mathf/infinity.md) | A representation of positive infinity (Read Only). | | [NegativeInfinity](/engine/6000.0/script-reference/unityengine/mathf/negativeinfinity.md) | A representation of negative infinity (Read Only). | | [PI](/engine/6000.0/script-reference/unityengine/mathf/pi.md) | The well-known *3.14159265358979...* value (Read Only). | | [Rad2Deg](/engine/6000.0/script-reference/unityengine/mathf/rad2deg.md) | Radians-to-degrees conversion constant (Read Only). | ## Static Methods | Method | Description | | ----------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [Abs](/engine/6000.0/script-reference/unityengine/mathf/abs.md) | Returns the absolute value of `value`. | | [Acos](/engine/6000.0/script-reference/unityengine/mathf/acos.md) | Returns the arc-cosine of f - the angle in radians whose cosine is f. | | [Approximately](/engine/6000.0/script-reference/unityengine/mathf/approximately.md) | Compares two floating point values and returns true if they are similar. | | [Asin](/engine/6000.0/script-reference/unityengine/mathf/asin.md) | Returns the arc-sine of f - the angle in radians whose sine is f. | | [Atan](/engine/6000.0/script-reference/unityengine/mathf/atan.md) | Returns the arc-tangent of f - the angle in radians whose tangent is f. | | [Atan2](/engine/6000.0/script-reference/unityengine/mathf/atan2.md) | Returns the angle in radians whose [Mathf.Tan](/engine/6000.0/script-reference/unityengine/mathf/tan.md) is `y/x`. | | [Ceil](/engine/6000.0/script-reference/unityengine/mathf/ceil.md) | Returns the smallest integer greater than or equal to f. | | [CeilToInt](/engine/6000.0/script-reference/unityengine/mathf/ceiltoint.md) | Returns the smallest integer greater to or equal to f. | | [Clamp](/engine/6000.0/script-reference/unityengine/mathf/clamp.md) | Clamps the given value between a range defined by the given minimum integer and maximum integer values. Returns the given value if it is within min and max. | | [Clamp01](/engine/6000.0/script-reference/unityengine/mathf/clamp01.md) | Clamps value between 0 and 1 and returns value. | | [ClosestPowerOfTwo](/engine/6000.0/script-reference/unityengine/mathf/closestpoweroftwo.md) | Returns the closest power of two value. | | [CorrelatedColorTemperatureToRGB](/engine/6000.0/script-reference/unityengine/mathf/correlatedcolortemperaturetorgb.md) | Convert a color temperature in Kelvin to RGB color. | | [Cos](/engine/6000.0/script-reference/unityengine/mathf/cos.md) | Returns the cosine of angle f. | | [DeltaAngle](/engine/6000.0/script-reference/unityengine/mathf/deltaangle.md) | Calculates the shortest difference between two angles. | | [Exp](/engine/6000.0/script-reference/unityengine/mathf/exp.md) | Returns e raised to the specified power. | | [FloatToHalf](/engine/6000.0/script-reference/unityengine/mathf/floattohalf.md) | Encode a floating point value into a 16-bit representation. | | [Floor](/engine/6000.0/script-reference/unityengine/mathf/floor.md) | Returns the largest integer smaller than or equal to f. | | [FloorToInt](/engine/6000.0/script-reference/unityengine/mathf/floortoint.md) | Returns the largest integer smaller to or equal to f. | | [GammaToLinearSpace](/engine/6000.0/script-reference/unityengine/mathf/gammatolinearspace.md) | Converts the given value from gamma (sRGB) to linear color space. | | [HalfToFloat](/engine/6000.0/script-reference/unityengine/mathf/halftofloat.md) | Convert a half precision float to a 32-bit floating point value. | | [InverseLerp](/engine/6000.0/script-reference/unityengine/mathf/inverselerp.md) | Determines where a value lies between two points. | | [IsPowerOfTwo](/engine/6000.0/script-reference/unityengine/mathf/ispoweroftwo.md) | Returns true if the value is power of two. | | [Lerp](/engine/6000.0/script-reference/unityengine/mathf/lerp.md) | Linearly interpolates between a and b by t. | | [LerpAngle](/engine/6000.0/script-reference/unityengine/mathf/lerpangle.md) | Same as [Mathf.Lerp](/engine/6000.0/script-reference/unityengine/mathf/lerp.md) but makes sure the values interpolate correctly when they wrap around 360 degrees. | | [LerpUnclamped](/engine/6000.0/script-reference/unityengine/mathf/lerpunclamped.md) | Linearly interpolates between a and b by t with no limit to t. | | [LinearToGammaSpace](/engine/6000.0/script-reference/unityengine/mathf/lineartogammaspace.md) | Converts the given value from linear to gamma (sRGB) color space. | | [Log](/engine/6000.0/script-reference/unityengine/mathf/log.md) | Returns the natural (base e) logarithm of a specified number. | | [Log10](/engine/6000.0/script-reference/unityengine/mathf/log10.md) | Returns the base 10 logarithm of a specified number. | | [Max](/engine/6000.0/script-reference/unityengine/mathf/max.md) | Returns the largest value. When comparing negative values, values closer to zero are considered larger. | | [Min](/engine/6000.0/script-reference/unityengine/mathf/min.md) | Returns the smallest of two or more values. | | [MoveTowards](/engine/6000.0/script-reference/unityengine/mathf/movetowards.md) | Moves a value current towards target. | | [MoveTowardsAngle](/engine/6000.0/script-reference/unityengine/mathf/movetowardsangle.md) | Same as [Mathf.MoveTowards](/engine/6000.0/script-reference/unityengine/mathf/movetowards.md) but makes sure the values interpolate correctly when they wrap around 360 degrees. | | [NextPowerOfTwo](/engine/6000.0/script-reference/unityengine/mathf/nextpoweroftwo.md) | Returns the next power of two that is equal to, or greater than, the argument. | | [PerlinNoise](/engine/6000.0/script-reference/unityengine/mathf/perlinnoise.md) | Generate 2D Perlin noise. | | [PerlinNoise1D](/engine/6000.0/script-reference/unityengine/mathf/perlinnoise1d.md) | Generates a 1D pseudo-random pattern of float values across a 2D plane. | | [PingPong](/engine/6000.0/script-reference/unityengine/mathf/pingpong.md) | PingPong returns a value that increments and decrements between zero and the length. It follows the triangle wave formula where the bottom is set to zero and the peak is set to length. | | [Pow](/engine/6000.0/script-reference/unityengine/mathf/pow.md) | Returns f raised to power p. | | [Repeat](/engine/6000.0/script-reference/unityengine/mathf/repeat.md) | Loops the value t, so that it is never larger than length and never smaller than 0. | | [Round](/engine/6000.0/script-reference/unityengine/mathf/round.md) | Returns f rounded to the nearest integer. | | [RoundToInt](/engine/6000.0/script-reference/unityengine/mathf/roundtoint.md) | Returns f rounded to the nearest integer. | | [Sign](/engine/6000.0/script-reference/unityengine/mathf/sign.md) | Returns the sign of f. | | [Sin](/engine/6000.0/script-reference/unityengine/mathf/sin.md) | Returns the sine of angle f. | | [SmoothDamp](/engine/6000.0/script-reference/unityengine/mathf/smoothdamp.md) | Gradually moves the current value towards a target value, over a specified time and at a specified velocity. | | [SmoothDampAngle](/engine/6000.0/script-reference/unityengine/mathf/smoothdampangle.md) | Gradually changes an angle given in degrees towards a desired goal angle over time. | | [SmoothStep](/engine/6000.0/script-reference/unityengine/mathf/smoothstep.md) | Interpolates between from and to with smoothing at the limits. | | [Sqrt](/engine/6000.0/script-reference/unityengine/mathf/sqrt.md) | Returns square root of f. | | [Tan](/engine/6000.0/script-reference/unityengine/mathf/tan.md) | Returns the tangent of angle f in radians. |