a port of the Processing Visualization Language


for(int i=0; i<100; i++) {

  float r = random(50);


  line(50, i, 50+r, i);


for(int i=0; i<100; i++) {

  float r = random(-50, 50);


  line(50, i, 50+r, i);

Description Generates random numbers. Each time the random() function is called, it returns an unexpected value within the specified range. If one parameter is passed to the function it will return a float between zero and the value of the high parameter. The function call random(5) returns values between 0 and 5. If two parameters are passed, it will return a float with a value between the the parameters. The function call random(-5, 10.2) returns values between -5 and 10.2. To convert a floating-point random number to an integer, use the int() function.

random(low, high);
high int or float
low int or float
Usage Web & Application
Related noise()

This reference is licensed under the CC BY-NC-SA 2.0 license:

Creative Commons License
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