• Adobe After Effects Expressions

  animate scale from “0” tot “x”(slider control amount) with easy ease

  Posted by Bas V breugel on July 4, 2018 at 9:11 am

  Hi guys,

  Im trying to making a bar graph animate from 0 to an amount referrenced from another layer.

  So I have a text layer called “Shot_Percentage” wich has the amount “33.3”

  Then I want to scale a shapelayer from “0” to “33,3” and make it ease out at the end.

  Scott Mcgee replied 7 years, 10 months ago 2 Members · 3 Replies
• 3 Replies

• 

  Scott Mcgee

  July 4, 2018 at 9:48 am

  As long as your shape to start is 100% and 100% of the bar graph. Then you just need to copy and paste this into your scale of the transform properties.

  Then yb = pickwhip your slider control.

  transition = 1
  ya = 0;
  yb = effect(“Slider Control”)(“Slider”);
  x = 100;

  if(time < (inPoint+outPoint)/2){
  ease(time,inPoint,inPoint+transition,[x,ya],[x,yb]);
  }else{
  ease(time,outPoint -transition,outPoint,[x,yb],[x,ya]);
  }
• 

  Bas V breugel

  July 4, 2018 at 12:16 pm

  Thanks! I adjusted your expression slightly because i forgot to mention I’ve made a horizontal bar graph. And now the amount it grows to is not from a slider but straight from complayer.

  transition = 1
xa = 0;
xb = parseInt(thisComp.layer("Shot_Percentage").text.sourceText);
y = 100;

  if(time < (inPoint+outPoint)/1){
ease(time,inPoint,inPoint+transition,[xa,y],[xb,y]);
}else{
ease(time,outPoint -transition,outPoint,[xb,y],[xa,y]);
}

• 

  Scott Mcgee

  July 5, 2018 at 8:19 am

  Sorry I missed the bit about you using sourceText.

  If it’s for someone else to use that isn’t after effects savvy. I sometimes put in an alert feature that tells them it isn’t a number.

  for sourceText layer
  a = thisLayer.text.sourceText
  if(isNaN(a)){
  “THIS IS NOT A NUMBER”
  }else{
  text.sourceText;
  }

  also if the text layer is to be hidden. I also add this to it to the opacity.

  a = thisLayer.text.sourceText
  if(isNaN(a)){
  100
  }else{
  0
  }

  It’s nothing flashy, but for someone who doesn’t know how to use it and wonder why it isn’t working, does come in handy.

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