# After Effects - Dot Display

Full Tutorial:

{% embed url="<https://www.youtube.com/watch?v=l4gSA8joy1c>" %}

Code for the scale of the Dots:

```javascript
var sample = thisComp.layer("MAIN ANIMATION").sampleImage(position, [1, 1]);
var sampleHSL = rgbToHsl(sample);

var newScale = linear(sampleHSL[2], 0, 1, 0, 100);

[newScale, newScale];
```