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The newtonField node models Newtonian gravitational attraction between two objects. The force exerted is proportional to the product of the two masses and to the magnitude, and inversely proportional to the distance. The minDistance parameter allows one to turn off the field force within a certain minimum distance of the field, so as to avoid division by zero. For geometry objects, each vertex/cv counts as a mass of 1. For particles, the field will use the mass attribute if one is present; if not, each particle counts 1.

Node name Parents Classification MFn type Compatible function sets
newtonField field drawdb/geometry/dynamics/field kNewton kBase
kNamedObject
kDependencyNode
kDagNode
kTransform
kField
kNewton

Related nodes

rigidConstraint, dynBase, field, airField, turbulenceField, radialField, vortexField, volumeAxisField, dragField, uniformField, gravityField, pointEmitter, particle, rigidBody, geoConnectable, spring

Attributes (2)

minDistance, ownerMassData

Long name (short name) Type Default Flags
minDistance (min) double 0.0 outputinputconnectablestorablekeyable
minimum distance at which field takes effect
ownerMassData (omd) doubleArray empty outputinputconnectablestorable
if particle object owns this field, need mass sometiems.