The Bubble modifier will inflate or pinch an object according to the transformation of the modifier’s gizmo, the radius and falloff parameters. This is a useful modifier to make things look like they are being inflated with air or having air sucked out of them.
Bubble Param description
Is the length of the offset a vertex would get if it’s distance from the gizmo evaluates as zero. This parameter can be set to a negative value as well to create a pinch effect.
Determines how far from the gizmo will the bubble effect the deformation.
public float radius;
public float falloff;
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