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Table of Contents |
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Overview
This kinematic relation is used to define a rotational constraint on an object.
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Where to find
The Wheel Joint can be found under Mechanics > Add Kinematics > Wheel Joint.
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The following inspector component will be shown:
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Feature layout
The image below shows the complete feature layout of the Wheel Joint component.
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Generic Joint Settings | |||
Pass Priority | Priority of the kinematic chain calculations. Higher numbers are calculated earlier | ||
Enforce Outside Playmode | Enforces the joint to work in edit mode | ||
Prevent Kinematic Update | Removes the joint from the kinematic chain calculations | ||
Prevent Further Kinematic Update on this GameObject | Allows lower priority kinematic transforms on the same GameObject to be skipped in calculations | ||
Allow Direct User Input | Allows the user to manipulate the joint with the scene gizmo | ||
Min. User Input Translation Offset | The minimum value the user must input before translations are applied | ||
Min. User Input Rotation Offset | The minimum value the user must input before rotations are applied | ||
Kinematic Chaining | |||
Create new Leading Transform Relation | Creates a new leading relation between Transforms | ||
Create new Trailing Transform Relation | Creates a new trailing relation between Transforms
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Opposing Relation Instance | The kinematic transform you want to link the joint to | ||
Relation Direction | Describes the direction of the manipulation of the Transforms. The following options are available:
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Relation Type | Used when 2 different size Wheel Joints need the same rotational speed. The following options are available:
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Motion Direction is Reversed | When enabled, the manipulation to/from the opposing kinematic transform is inverted | ||
Wheel Joint Settings | |||
Also Manage Translation | Locks the position of the Wheel Joint object | ||
Wheel Radius | The Radius of the Wheel Joint | ||
Use Sceen Gizmo to set Radius | When checked a handle in the Scene view is added and can be manipulated manually to set the Wheel Radius | ||
Wheel Axis Direction | A Scene Vectordescribing the axis of the Wheel Joint | ||
Wheel Forward Direction | A Scene Vectordescribing the forward direction of the Wheel Joint | ||
Limit Rotation | |||
Limit Rotation | When checked more settings appear to set the minimum and maximum rotation of the Wheel Joint | ||
Limit Notation | The notation of the limits. The following options are available:
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Minimum Rotation Limit | The minimum rotation limit of the Wheel Joint | ||
Use Scene Gizmo to set Min. Limit. | When checked a handle in the Scene view is added and can be manipulated manually to set the Minimum Rotation Limit | ||
Maximum Rotation Limit | The maximum rotation limit of the Wheel Joint | ||
Use Scene Gizmo to set Max. Limit. | When checked a handle in the Scene view is added and can be manipulated manually to set the Maximum Rotation Limit | ||
Wheel Joint State | |||
Current Rotation Notation | The notation of the Current Rotation State. The following options are available:
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Current Rotation State | Current rotation of the wheel joint | ||
Relative Rotation Space Share | Describes the current rotation of the Wheel Joint relative to its total limited rotation range. Normalized between 0 and 1 | ||
Sceneview Settings | |||
Show in Sceneview | When checked all gizmo’s and handles of the Wheel Joint are shown in the scene view | ||
Show when not selected | When checked all gizmo’s and handles of the Wheel Joint are shown in the scene view even when the object is not selected | ||
Wheel Plane color | The color of the Wheel Radius | ||
Axis Direction color | The color for the Wheel Axis Direction | ||
Forward Direction color | The color for the Wheel Forward Direction | ||
Current Rotation color | The color for the Current Rotation State | ||
Rotation Limit Color | The color for the Minimum Rotation Limit and Maximum rotation limit |
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How to use
1. Add a Wheel joint to an object
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Note |
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To test your Transform Relations outside of playmode make sure Enforce Outside Playmode is checked on both Joints. |
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How to use limits
1. Click the Limit Rotation checkbox
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