How to create BLOB TRACKING Effect in After Effect (No Plugins)

Expressions copy here or download file below: Position: compW = thisComp.width; compH = thisComp.height; step = 2; // every 2 frames zoneW = compW * 1.0; // zoneH = compH * 1.0; // zoneCenter = [compW / 2, compH / 2]; f = Math.floor(timeToFrames(time) / step); seedRandom(f + index, true); x = random(zoneCenter[0] - zoneW / 2, zoneCenter[0] + zoneW / 2); y = random(zoneCenter[1] - zoneH / 2, zoneCenter[1] + zoneH / 2); [x, y] Scale: step = 2; // every 2 frames f = timeToFrames(time); segment = Math.floor(f / step); seedRandom(segment + index, true); start = random(100, 500); seedRandom(segment + 1 + index, true); end = random(100, 500); t = framesToTime(f % step); d = framesToTime(step); s = ease(t, 0, d, start, end); [s, s] Line: start = thisComp.layer("04 SHAPE: Path 1 [1.1.0]").toComp([0, 0]); end = thisComp.layer("05 SHAPE: Path 1 [1.1.3]").toComp([0, 0]); createPath([start, end], [], [], false); Expressions file: https://www.dropbox.com/scl/fo/2ecx63... Master Collection: https://studioznak.com/products/maste... Use code "WELCOME" to get 20% off on your first purchase! Other high quality assets from us: https://studioznak.com/collections/all Try our projects for FREE: https://studioznak.com/pages/free-sam... In this tutorial we'll create very popular Blob Tracking Effect without any plugins in After Effects. Feel free to use timecodes: 0:00 Intro 0:16 Let's start 08:13 Final Thoughts