AlignPosition
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The AlignPosition constraint applies force to move two attachments together, or to move one attachment to a goal position. As indicated by the name, it only affects the position of the attachments, not their orientation (to align attachments by orientation, see AlignOrientation).
When configuring this constraint, it may be helpful to study Roblox Units to understand how Roblox units compare to metric units.
Force Location
By default, force is applied to the parent of Attachment0 at that attachment's location, meaning that if the parent's center of mass is not aligned with the direction of the force, torque will be applied as well as force. Alternatively, force can be applied to the parents' center of mass by toggling on ApplyAtCenterOfMass.
Reactionary Force
By default, the constraint only applies force to Attachment0 while Attachment1 remains unaffected. If desired, force can be applied to both attachments in equal and opposite directions by enabling ReactionForceEnabled.
Force Limits
You can configure this constraint to apply the maximum force that constraints allow through the RigidityEnabled property. When true, the physics solver reacts as quickly as possible to complete the alignment. When false, the force applied by the constraint is limited based on ForceLimitMode, MaxVelocity, and Responsiveness. See ForceLimitMode for further details.
Attachment Mode
This constraint can use either one or two attachments in calculating its goal. See Mode for details.
Rangkuman
Properti
Whether force is applied to the parent of Attachment0 at that attachment's location, or at the parents' center of mass.
Determines how the constraint force will be limited. Only used if RigidityEnabled is false.
Determines the axes that the constraint uses to limit the force. Only applies when RigidityEnabled is false and AlignPosition.ForceLimitMode is PerAxis. .
Maximum force along each axis that the constraint can apply to achieve its goal.
Maximum force magnitude the constraint can apply to achieve its goal.
Maximum speed the attachments can move when converging.
Whether the constraint uses one or two attachments in calculating its goal.
The position to which the constraint should move its Attachment0.
Whether the constraint applies force only to Attachment0, or to both attachments in equal and opposite directions.
Controls how quickly the constraint reaches its goal. Higher values cause the attachment(s) to align more rapidly.
Whether force is dependent on other properties, or if the physics solver reacts as quickly as possible to complete the alignment.
Indicates if the constraint is currently active in the world.
The Attachment that is connected to Constraint.Attachment1.
The Attachment that is connected to Constraint.Attachment0.
The color of the constraint.
Toggles whether or not the constraint is enabled.
Toggles the constraint's visibility.
Properti
ApplyAtCenterOfMass
When false (default), force is applied to the parent of Attachment0 at that attachment's location, meaning that if the parent's center of mass is not aligned with the direction of the force, torque will be applied as well as force. When true, force is applied at the parents' center of mass.
ForceLimitMode
Determines how the constraint force will be limited when RigidityEnabled is false. When set to Magnitude, the constraint force will be limited such that the magnitude is less than MaxForce. When set to PerAxis, the constraint force along each axis will be limited by MaxAxesForce. The axes along which the force will be limited are based on the ForceRelativeTo property.
ForceRelativeTo
Determines the axes that the constraint uses to limit the force. Only applies when RigidityEnabled is false and AlignPosition.ForceLimitMode is PerAxis. When set to World, the constraint force is computed in the world reference frame and the force limits specified in MaxAxesForce refer to the axes of the world coordinate system. When set to Attachment0 or Attachment1, the force limits specified in MaxAxesForce refer to the axes of the specified attachment coordinate system.
MaxAxesForce
Maximum force along each axis that the constraint can apply to achieve its goal. Only used if RigidityEnabled is false and ForceLimitMode is PerAxis. The axes used to apply to the limit are specified using the ForceRelativeTo property.
MaxForce
Maximum force magnitude the constraint can apply to achieve its goal. Only used if RigidityEnabled is false and ForceLimitMode is Magnitude.
Note that MaxForce, as well as MaxVelocity, are caps to the force and velocity respectively. The actual scale is determined by Responsiveness.
MaxVelocity
Maximum speed the attachments can move when converging. Only used if RigidityEnabled is false.
Note that MaxVelocity, as well as MaxForce, are caps to the velocity and force respectively. The actual scale is determined by Responsiveness.
Whether the constraint uses one or two attachments in calculating its goal. By default, this is TwoAttachment, meaning that the constraint disregards Position and attempts to move Attachment0 to the position of Attachment1.
If set to OneAttachment, the constraint disregards Attachment1 and attempts to move Attachment0 to Position.
Position
The position to which the constraint should move its Attachment0. Only used if Mode is set to OneAttachment, in which case Attachment1 is disregarded.
ReactionForceEnabled
If false (default), the constraint only applies force to Attachment0 while Attachment1 remains unaffected. If true, the constraint applies force to both attachments in equal and opposite directions.
Responsiveness
Controls how quickly the constraint reaches its goal. Higher values cause the attachment(s) to align more rapidly. Value can be between 5 and 200.
RigidityEnabled
Whether force is dependent on other properties, or if the physics solver reacts as quickly as possible to complete the alignment. If false (default), the force is determined by MaxForce, MaxVelocity, and Responsiveness. If true, the physics solver reacts as quickly as possible to complete the alignment.