A "Tractor" daemon consists of a plane with four vertices representing the planes forces. The differences between the individual forces are interpolated to create the force field. Only particles or objects within this field are affected. The daemon’s size is controlled with Node > Scale, though height should not be altered. For this purpose "F1" - "F4" are provided.

Affect

Particles can be affected in two ways: either by “Force” or “Velocity”. The first option applies an external force, resulting in an acceleration, while the second one only modifies the velocities of the particles without introducing an additional acceleration. “Velocity” is not available for rigid and soft bodies.

F1 - F4

These values are used to adjust the strength values for each vertex separately. The arrows’ length is updated in the viewport according to your values and also indicate the direction of the forces.

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