View difference between Paste ID: zCDT1CAf and CcGiZcCE

 -- reaction(i, x, y, nt, radius, percentage, element A, element B, element C)
 
 local function reaction(i,x,y,nt,r,p,a,b,c)
     local chance = math.random(1,1/(p/100)) == 1
     local dx = math.random(-r,r)
     local dy = math.random(-r,r)
     if nt > 0 and chance and tpt.get_property("type", x+dx, y+dy) == a then
         tpt.set_property("type", b, i)
         tpt.set_property("type", c, x+dx, y+dy)
     end
 end
 
 -- velocity(i, initial velocity, number of directions)
 
 local function velocity(i,v,n)
     if tpt.get_property("vx", i) == 0 and tpt.get_property("vy", i) == 0 then
         local angle = math.random(1,n)*(2*math.pi/n)
         tpt.set_property("vx", v*math.cos(angle), i)
         tpt.set_property("vy", v*math.sin(angle), i)
     end
 end
 
 -- NULL element
 
 local null = elements.allocate("ELEMENT", "NULL")
 elements.element(null, elements.element(elements.DEFAULT_PT_PHOT))
 elements.property(null, "Name", "NULL")
 elements.property(null, "Description", "NULL, displaces DMND.")
 elements.property(null, "Colour", 0xFF2020)
-elements.property(null, "Diffusion", 0)
+
-elements.property(null, "HotAir", 0)
+
-elements.property(null, "AirDrag", 0)
+
-elements.property(null, "AirLoss", 0)
+
     reaction(i, x, y, nt, 2, 50, elements.DEFAULT_PT_DMND, elements.DEFAULT_PT_DMND, elements.ELEMENT_PT_NULL)
 end
 
 elements.property(null, "Update", nullUpdate)