Slider joint
ep_sliderjoint_create
ep_sliderjoint_create(world_id, body1_id, body2_id, x1, y1, x2a, y2a, x2b, y2b, rotation)
Creates a new slider joint.
Returns the id of the new slider joint.
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world_id: The id of the world.
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body1_id: The id of the first body.
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body2_id: The id of the second body.
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x1: The x component of the anchor point on the first body.
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y1: The y component of the anchor point on the first body.
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x2a: The x component of the starting point of the rail on the second body.
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y2a: The y component of the starting point of the rail on the second body.
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x2b: The x component of the endpoint of the rail on the second body.
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y2b: The y component of the endpoint of the rail on the second body.
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rotation: The relative rotation of the bodies (rot1-rot2).
ep_sliderjoint_destroy
ep_sliderjoint_destroy(world_id, sliderjoint_id)
Destroys the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_exists
ep_sliderjoint_exists(world_id, sliderjoint_id)
Returns whether the slider joint with the given id exists.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_set_max_combined_force
ep_sliderjoint_set_max_combined_force(world_id, sliderjoint_id, maxnormalforce, torqueradius)
Changes the maximum combined force of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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maxnormalforce: The new maximum normal force. Use 0 for no limit.
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torqueradius: Indicates how the torque relates to the normal force (force = torque/radius). Use 0 for unlimited torque.
ep_sliderjoint_set_motor
ep_sliderjoint_set_motor(world_id, sliderjoint_id, maxmotorforce, motorvel)
Changes the motor of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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maxmotorforce: The maximum motor force.
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motorvel: The velocity of the motor.
ep_sliderjoint_set_limit_settings
ep_sliderjoint_set_limit_settings(world_id, sliderjoint_id, contact_threshold, velocity_threshold)
Changes the limit settings of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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contact_threshold: The contact threshold.
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velocity_threshold: The velocity threshold.
ep_sliderjoint_set_lower_limit
ep_sliderjoint_set_lower_limit(world_id, sliderjoint_id, maxlimitforce, position, restitution, velocity)
Changes the lower limit of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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maxlimitforce: The maximum limit force. Set this to 0 to disable the limit.
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position: The position of the limit.
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restitution: The coefficient of restitution.
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velocity: The velocity of the limit. You can use this to change the position over time. The position will not be updated automatically, you have to do that yourself.
ep_sliderjoint_set_upper_limit
ep_sliderjoint_set_upper_limit(world_id, sliderjoint_id, maxlimitforce, position, restitution, velocity)
Changes the upper limit of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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maxlimitforce: The maximum limit force. Set this to 0 to disable the limit.
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position: The position of the limit.
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restitution: The coefficient of restitution.
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velocity: The velocity of the limit. You can use this to change the position over time. The position will not be updated automatically, you have to do that yourself.
ep_sliderjoint_set_lower_spring
ep_sliderjoint_set_lower_spring(world_id, sliderjoint_id, k, position, damping)
Changes the lower spring of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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k: The spring constant. Set this to 0 to disable the spring.
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position: The position of the spring.
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damping: The damping force of the spring. Set this to 0 to disable damping (not recommended).
ep_sliderjoint_set_upper_spring
ep_sliderjoint_set_upper_spring(world_id, sliderjoint_id, k, position, damping)
Changes the upper spring of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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k: The spring constant. Set this to 0 to disable the spring.
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position: The position of the spring.
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damping: The damping force of the spring. Set this to 0 to disable damping (not recommended).
ep_sliderjoint_get_body1
ep_sliderjoint_get_body1(world_id, sliderjoint_id)
Returns the id of the first body connected to the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_body2
ep_sliderjoint_get_body2(world_id, sliderjoint_id)
Returns the id of the second body connected to the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_position
ep_sliderjoint_get_position(world_id, sliderjoint_id)
Returns the current position of the slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_normal_force
ep_sliderjoint_get_normal_force(world_id, sliderjoint_id)
Returns the normal force applied during the last step.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_torque
ep_sliderjoint_get_torque(world_id, sliderjoint_id)
Returns the torque applied during the last step.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_combined_force
ep_sliderjoint_get_combined_force(world_id, sliderjoint_id)
Returns the combined force applied during the last step (abs(normalforce)+abs(torque)/torqueradius).
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_motor_force
ep_sliderjoint_get_motor_force(world_id, sliderjoint_id)
Returns the motor force applied during the last step.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_get_limit_force
ep_sliderjoint_get_limit_force(world_id, sliderjoint_id)
Returns the limit force applied during the last step.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_previous
ep_sliderjoint_previous(world_id, sliderjoint_id)
Returns the id of the previous slider joint, or 0 if there is no previous slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_next
ep_sliderjoint_next(world_id, sliderjoint_id)
Returns the id of the next slider joint, or 0 if there is no next slider joint.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
ep_sliderjoint_set_uservar
ep_sliderjoint_set_uservar(world_id, sliderjoint_id, index, value)
Changes the value of the user variable with the given index.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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index: The index (0-4).
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value: The new value.
ep_sliderjoint_get_uservar
ep_sliderjoint_get_uservar(world_id, sliderjoint_id, index)
Returns the value of the user variable with the given index.
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world_id: The id of the world.
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sliderjoint_id: The id of the slider joint.
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index: The index (0-4).
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