• Adobe After Effects Expressions

  Debugging an expression (square root trouble?)

  Posted by Michael Tammaro on August 14, 2014 at 2:46 pm

  I have a complex expression that I will be applying to hundreds of layers, and there is a bug. Through a bit of experimenting, I’ve deduced that knowing how to fix the bug in the following expression would be sufficient for my needs:

  x0 = 1; y0 = 2; r1 = Math.sqrt((745 – x0)*(745 – x0) + (660 – y0)*(660 – y0)); x = r1 + x0; y =r1 + y0; [x,y]

  Any help would be appreciated!

  Michael Tammaro replied 12 years ago 2 Members · 2 Replies
• 2 Replies

• 

  Dan Ebberts

  August 14, 2014 at 3:54 pm

  Somehow you ended up with em dashes instead of minus signs. Try it this way:

  r1 = Math.sqrt((745 – x0)*(745 – x0) + (660 – y0)*(660 – y0));

  Dan
• 

  Michael Tammaro

  August 15, 2014 at 1:43 am

  Thanks so much, Dan. Initially I had written the expression out in word, then copied it into AE. I tried trying the expression directly into AE, using the default “-” on my keyboard, and the expression worked. I might not have tried that without your feedback, so thanks again.

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