Lua Math Floor

Math floor null returns 0 not a nan. Number math noise number x number y 0 number z 0. In other case lua casts upperinto an integer sometimes giving math floor upper and others math ceil upper with unexpected results the same for lower.

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Math floor x returns the largest integer smaller than or equal to x.

Lua math floor.

To get an integer result during a division. Math exp x returns the value e power x. Math cosh x returns the hyperbolic cosine of x. Lua math library we often need math operations in scientific and engineering calculations and we can avail this using the standard lua library math.

Math ceil x returns the smallest integer larger than or equal to x. The floor method rounds a number downwards to the nearest integer and returns the result. The following function rounds a number to the given number of decimal places. Because floor is a static method of math you always use it as math floor rather than as a method of a math object you created math is not a constructor.

The list of functions availa. Here is an alternative implementation. Returns a perlin noise value between 1 and 1. If the passed argument is an integer the value will not be rounded.

Use function div a b return a a b b end. Math cos x returns the cosine of x assumed to be in radians. Math floor x returns the largest integer smaller than or equal to x. If you leave arguments out they will be interpreted as zero so math noise 1 158 is equivalent to math noise 1 158 0 0 and math noise 1 158 5 723 is equivalent to math noise 1 158 5 723 0.

Math deg x returns the angle x given in radians in degrees. Math randomseed 1234 math random math random math random. Equal seeds produce equal sequences of numbers. Function round num numdecimalplaces local mult 10 numdecimalplaces or 0 return math floor num mult 0 5 mult end.

The function uses a perlin noise algorithm to assign fixed values to coordinates. The math randomseed function sets a seedfor the pseudo random generator.