emberPart11 = sim.partCreate(-3, x+math.random(-1,1), y+math.random(-1,1), elem.POLOKUS_PT_PNIC) sim.partProperty(emberPart11,'temp', 146.99) sim.partProperty(emberPart11,'tmp2', 2)
I don't think this is the way
If you increase the pressure, it causes an explosion. Your current ember code is fine. Here's a line of code to get you started:
sim.pressure(x / 4, y / 4, 10)