Tag: modulo

how do I create an alternating stripe pattern with different stripe widths in javascript

I am trying to create a stripe pattern in javascript (p5.js), where the odd stripes are one width and the even are another. If they were the same width, my code to create the pattern would be as follows: but if I were to introduce a barSize1 and barSize2 to create an alternating pattern of bars of different heights (say

JavaScript % (modulo) gives a negative result for negative numbers

javascript math modulo

According to Google Calculator (-13) % 64 is 51. According to Javascript (see this JSBin) it is -13. How do I fix this? Answer Taken from this article: The JavaScript Modulo Bug