The vortex force item applies a rotational swirling force, like a whirlpool, spinning dynamic items around the force locator's center (defined by the item's center position).
You can add a vortex force item to a simulation by selecting Forces > Vortex in the Layout interface's toolbox. Alternatively, in the Items list, click Add Item > Forces > Vortex Force. Any force added after a dynamic body auto-connects to the solver item, forces added beforehand need to be connected manually in the Schematic view.
Remove force items the same way as any other item: simply select the item and press Delete on the keyboard.
When selected, the following attributes appear in the Properties viewport.
|
Option |
Description |
|---|---|
|
Name |
Displays the current force item name. To change it, click on the field and type in the new name. |
|
Transform |
|
|
Position X/Y/Z |
These values determine the vortex line - the center position for the vortex force, where all items affected by the vortex spin around this central point. |
|
Rotation X/Y/Z |
These values determine the angle that the vortex revolves around, defined by the X, Y & Z rotation values. |
|
Scale X/Y/Z |
The vortex force item globally affects dynamic items, regardless of its scale, therefore these values are not applicable to it. To adjust the influence of the force, modify the Strength value. |
|
Vortex Force |
|
|
Enable |
Toggles the force item on or off. When enabled, the force item is considered during a dynamics simulation; when disabled, the force item is ignored. However, disabled forces are persistent across Modo sessions, being saved with the scene, and retain their present settings. |
|
Invert |
Reverses the effect of the vortex on dynamic items, altering its draw and rotation direction. |
|
Strength |
Determines how much influence the vortex has on the dynamic items. The higher the value, the greater the rotational influence of the vortex. |
|
Torque |
Acts as a multiplier on rotational movements of dynamic items. The higher the value, the greater the influence of the vortex on rotations. |
|
Inward |
Controls the inward pull toward the center of the vortex. As items spin around the central point, when the speed increases, the resulting centrifugal force impels dynamic bodies outward. the Inward option is a means to oppose that force. |