• Adobe After Effects Expressions

  Randomize Specific Set of Characters

  Posted by Liam Campbell on March 11, 2018 at 4:42 pm

  I want to make a randomly changing character expression but I want each character to pull from a determined pool of characters.

  I want to use these “º_-•˙|” characters only and when randomized I want each one to be only able to use characters from that set?

  Declan Smith replied 8 years, 4 months ago 2 Members · 3 Replies
• 3 Replies

• 

  Declan Smith

  March 11, 2018 at 7:22 pm

  Try something like this

  chars=["º", "_", "-", "•", "˙", "|"]
char_index=Math.floor(random(chars.length))
random_char=chars[char_index]

  Declan Smith
  https://www.madpanic.tv
  FCPX / Adobe CS6/ FCS3 / Canon XLH1 / Canon 7D / Reason / Cubase

  \”it\’s either binary or it\’s not\”
• 

  Liam Campbell

  March 11, 2018 at 9:11 pm

  Thanks for the reply! This is where I am:

  chars = [“º” , “_” , “-” , “•” , “˙” , “|”];
  seedRandom(5,true)
  n = Math.floor(random(0,6))
  chars[n] + chars[n] + chars[n] + chars[n] + chars[n] + chars[n]

  but obviously all of the “chars[n]” are the same character. What’s a clean way to make them all different?
• 

  Declan Smith

  March 11, 2018 at 10:05 pm

  Try this variation. This will loop over the array and build a string containing the random chars.

  chars=["º", "_", "-", "•", "˙", "|"]
mystr=""
for (i=0;i <chars.length; i++) {
mystr+=chars[Math.floor(random(chars.length))]
}
mystr

  Declan Smith
  https://www.madpanic.tv
  FCPX / Adobe CS6/ FCS3 / Canon XLH1 / Canon 7D / Reason / Cubase

  \”it\’s either binary or it\’s not\”

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