The next chapter will go into more detail on shading fire. This CINEMA 4D shader allows to add texture to the emission. This creates a field that allows you to shade the flame based on the distance to the flame core. Fire values are large wherever fuel burns and cool off the farther away from the burning fuel they are.
The Fire channel provides an alternative channel to render fire. So does the Fuel Diffusion parameter, which will essentially blur the fuel field, letting fuel spread slowly into all directions regardless of the movement in the fluid. This gives you some additional control over the shape of the flames. Heat Creation is how a fire keeps itself burning, that is keeps the temperature above the ignition temperature after the initial ignition.Īnother feature of Fuel is, that it may move slower than the rest of the fluid. These parameters control how much is added to the temperature and density channels per unit of burnt fuel. Another effect of burning fuel is the Heat Creation and Density Creation. This is the essential control for explosions and large fire balls. When fuel burns, the air heats up and expands, as specified by the Expansion parameter. Objects can emit fuel that will burn if the temperature at a voxel is above the Ignition Temperature. There are several ways to get more control over your fire simulation. See the next section for more details on shading fire.
The density-based-flame example project shows how this works. Laubwerk All Laubwerk Plants Kits and SurfaceSPREAD support R25 LightMap LightMap HDR Light Studio has been updated with support for R25. It now supports all C4D versions from R16 through R25. You can even use the most straight forward density simulation and turn it into a nice flame only by using the right shading parameters. Jawset The latest version of TurbulenceFD is compatible with R25. All you need is one or two fields as a basis to setup your fire shader, which is what you will most likely spend the most time with.
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