A very cool particle system that uses clones to create realistic steam/smoke/fog effects. Check out the Chromeworks Technology YouTube channel for a full tutorial on how to code this and tweak the effect for your own needs.
Feel free to use this technique in your own projects, but please credit Chromeworks. Coded by @MrTomec Check out the Chromeworks Technology YouTube channel for more awesome coding tutorials and our weekly coding and technology show, which airs Saturdays at 10 am Eastern. Chromeworks is a teacher-led, non-profit initiative aimed at transforming children from passive consumers of technology into active creators. Our camps, in-school workshops and YouTube content harness kids' natural love of video games and challenge learners to make ever more complex projects that inspire growth and learning.