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Warning! This version of documentation is OUTDATED, as it describes an older SDK version! Please switch to the documentation for the latest SDK version.
Warning! This version of documentation describes an old SDK version which is no longer supported! Please upgrade to the latest SDK version.

Unigine.JointPath Class

Inherits: Joint

A path joint is used with BodyPath: it attaches an arbitrary BodyRigid to move along its path.

Notice
The path is a spline along which an object can be moved.

See Also#

  • A set of UnigineScript API samples located in the <UnigineSDK>/data/samples/ folder:
    • physics/train_00
    • joints/path_00

Example#

The following code illustrates connection of a rigid body (b0) and a path body (b1) using a path joint.

Source code (C#)
JointPath joint = new JointPath(b0, b1);

// setting linear damping, velocity and force limits
joint.setLinearDamping(200.0f);
joint.setLinearVelocity(-100.0f);
joint.setLinearForce(1000.0f);

// setting body orientation regarding the path
joint.setRotation0(rotateZ(90.0f));

// setting number of iterations
joint.setNumIterations(4);

JointPath Class

Properties

float CurrentLinearVelocity#

The current linear velocity of the attached motor.

mat3 WorldRotation#

Rotation matrix of the anchor point in the world coordinates.
set
Sets a rotation matrix of the anchor point in the world coordinates.
set value - Rotation matrix in the world-space coordinates.

mat3 Rotation0#

set
Sets a rotation matrix of the anchor point in a system of coordinates of the connected rigid body.
set value - Rotation matrix in the body-space coordinates.

float LinearVelocity#

The current linear velocity of the attached motor.
set
Sets a target linear velocity of the attached motor.
set value - Target velocity in units per second.

float LinearForce#

The maximum force of the attached motor.
set
Sets a maximum force of the attached motor. 0 means that the motor is not attached.
set value - Maximum force to be set. If a negative value is provided, 0 will be used instead. 0 detaches the motor.

float LinearDamping#

The current damping factor for linear velocities of bodies connected by the joint.
set
Sets damping factor of linear velocities of bodies connected by the joint.
set value - Linear damping to be set. If a negative value is provided, 0 will be used instead.

Members


static JointPath ( ) #

Constructor. Creates a path joint with an anchor at the origin of the world coordinates.

static JointPath ( Body body0, Body body1 ) #

Constructor. Creates a path joint connecting two given bodies. An anchor is placed in the center of the rigid body attached the path body.

Arguments

  • Body body0 - BodyRigid to be connected with the joint.
  • Body body1 - BodyPath to be connected with the joint.

static JointPath ( Body body0, Body body1, Vec3 anchor ) #

Constructor. Creates a path joint connecting two given bodies with an anchor placed at specified coordinates.

Arguments

  • Body body0 - BodyRigid to be connected with the joint.
  • Body body1 - BodyPath to be connected with the joint.
  • Vec3 anchor - Anchor coordinates.

JointPath Cast ( Joint joint ) #

Casts a JointPath out of the Joint instance.

Arguments

  • Joint joint - Joint instance.

Return value

JointPath.
Last update: 2019-08-16
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