Open the Liquid Simulator → Foam rollout and select the Enable checkbox. Set the Foam Amount to 0. As discussed earlier, Foam particles should only be born by the Splash particles in this setup. Set the Lifespan → Half Life to 6 seconds. After some trial and error, we decided on this value. This may be changed for your scene if you are following along with a different setup. Set the Size to 0.6cm. The size of the liquid particles will affect how they interact with each-other when the B2B Interaction (Bubble-To-Bubble) is enabled (i.e. the value is greater than 0). Smaller Size will produce smaller clusters of particles and vice-versa. Set the B2B Interaction to 50. The Bubble-To-Bubble interaction helps the Foam particles stick together rather than behaving like individual points in space. Set the Patterns → Strength to 0.5 and the Patterns → Radius to 10cm. Those two options are entirely an artistic choice - please check the Example Videos in the Liquid Simulator's Foam rollout documentation for a more intuitive understanding of those controls. |