Grab the current position of a moving ellipse in processing.js

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I have an ellipse moving from left to right, I was wondering if there is anyway to store a specific point in that left to right path in a variable

e.g when the ellipse hits position X 100 pixels, store the specific path of position X of the ellipse.

I'd the ellipse must continue to run from left.

void draw() {

 background(44,209,216); 

 fill(colourR,250,182);     
 noStroke();    
 ellipse(posX,posY,100,50);          

 posX = posX + speed;

if(posX == 100)
 {
   store posX in a variable
  }

}

That is the sort of process I am looking for, the problem I am getting is that when I try to do something like newPosX = posX, they both continue to increment. How can I make it so newPosX stores the current position of posX and posX continues to increment. Also I mean that newPosX can NOT just = 100, i want to grab the position of posX when it hits 100 and store it in a variable. I know this is basic stuff but please help a noob out! THANKS!

asked 21 secs ago

NubmcNub

24