Lua Math Floor

The function uses a perlin noise algorithm to assign fixed values to coordinates. Lua math library we often need math operations in scientific and engineering calculations and we can avail this using the standard lua library math. If the passed argument is an integer the value will not be rounded.

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Math cos x returns the cosine of x assumed to be in radians.

Lua math floor. Use function div a b return a a b b end. Equal seeds produce equal sequences of numbers. The math randomseed function sets a seedfor the pseudo random generator. Math exp x returns the value e power x.

Math randomseed 1234 math random math random math random. Math floor null returns 0 not a nan. Number math noise number x number y 0 number z 0. Returns a perlin noise value between 1 and 1.

Here is an alternative implementation. Function round num numdecimalplaces local mult 10 numdecimalplaces or 0 return math floor num mult 0 5 mult end. 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 floor x returns the largest integer smaller than or equal to x.

The list of functions availa. The following function rounds a number to the given number of decimal places. To get an integer result during a division. The floor method rounds a number downwards to the nearest integer and returns the result.

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. 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. Math deg x returns the angle x given in radians in degrees. Math cosh x returns the hyperbolic cosine of x.

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