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Click on “Simulate”. After a few frames the cubes turn over due to the waves' motion.
Adjusting the Cubes' Centre of Gravity ("CoG")
In this short tutorial, the centre of gravity is shifted along an object's height axis. It depends on your current preferences which axis is used:
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Cube01 > Node Params > Display > Show CG > Yes
Switch to RealFlow's “Wireframe” mode with the 8 key to make the CoG visible – it is a small yellow square in the cubes' midpoints
Select “Cube01”
Node Params > Rigid body > @ CG > Y/Z > -0.25
Repeat these steps, but use different “@ CG” “CG” values (-0.5 and -0.75) for the remaining cubes
“@ CG” “CG” values are relative to an object's size. This means that 0 represents the body's midpoint, while the total length is considered 1. When you enter a value of -0.5 the CoG will be the object's bottom; with 0.5 it is its top. With values greater 0.5 or smaller -0.5 it is possible to shift the CoG outside the object. This is an easy way to control the object's floating behaviour.
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Click on “Simulate”. According to your settings the cubes will float. With a CoG close to a node's midpoint it may happen that the body is still tipping over. Play with different “@ CG” “CG” values and change all three parameters (XYZ).
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