Introduction Scripts Reference Math and Randomization

Math and Randomization

phase := Frac(phase + Random * 0.05);
output.asFloat(Sin(phase * Pi * 2) * depth.asFloat);

Procedure	Description
`function minS(const A, B: single): single;`	Return the smaller of two single-precision floating-point values
`function maxS(const A, B: single): single;`	Return the larger of two single-precision floating-point values
`function maxI(const A, B: integer): integer;`	Return the larger of two integer values
`function minI(const A, B: integer): integer;`	Return the smaller of two integer values
`function Pi: Extended;`	Return the mathematical constant Ï€
`function Log(e: Extended): Extended;`	Return the natural logarithm of `e`
`function Exp(e: Extended): Extended;`	Return e raised to the power of `e`
`function Arctan(e: Extended): Extended;`	Return the arctangent of `e`
`function Arcsin(e: Extended): Extended;`	Return the arcsine of `e`
`function Arccos(e: Extended): Extended;`	Return the arccosine of `e`
`function Abs(d: Extended): Extended;`	Return the absolute value of an extended value
`function Abs(d: Int64): Int64;`	Return the absolute value of an integer
`function Power(Base, Exponent: Extended): Extended;`	Return `Base` raised to the power of `Exponent`
`function Sqr(d: Extended): Extended;`	Return the square of a number
`function Sqrt(d: Extended): Extended;`	Return the square root of a number
`function ArcTan(d: Extended): Extended;`	Return the arctangent of `d`
`function Ln(d: Extended): Extended;`	Return the natural logarithm of `d`
`function Sin(d: Extended): Extended;`	Return the sine of an angle
`function Cos(d: Extended): Extended;`	Return the cosine of an angle
`function Exp(d: Extended): Extended;`	Return e raised to the power of `d`
`function Round(d: Extended): Int64;`	Round a floating-point value to the nearest integer
`function Round(d: Extended; Precision: Int8): Extended;`	Round a floating-point value to a specified decimal precision
`function Frac(d: Extended): Extended;`	Return the fractional part of a number
`function Int(d: Extended): Extended;`	Return the integer part of a number
`function Trunc(d: Extended): Int64;`	Truncate the fractional part of a number
`function Ceil(d: Extended): Int64;`	Return the smallest integer greater than or equal to `d`
`function Floor(d: Extended): Int64;`	Return the largest integer less than or equal to `d`
`function Random(Min, Max: Int64): Int64;`	Return a random integer between `Min` and `Max`
`function Random(l: Int64): Int64;`	Return a random integer from 0 to `l - 1`
`function Random: Extended;`	Return a random floating-point number between 0.0 and 1.0
`procedure Randomize;`	Initialize the random number generator with a new seed

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