how do i make particle work with tk2dCamera? I have a tk2dCamera and a unity build in Fireworks particle in the hierarchy,like below images. tk2dCamera set as: Pixels Per Meter 1. But the problem is : the Fireworks is so small. How can i scale it bigger. I set the Scale in Fireworks 's inspector ,but it don't work. I an a newer for unity,Anyone can help me? thanks