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planck

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2D JavaScript/TypeScript physics engine for cross-platform HTML5 game development

github.com/piqnt/planck.js

piqnt/planck.js

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# Interface: PulleyJointDef Pulley joint definition. This requires two ground anchors, two dynamic body anchor points, and a pulley ratio. ## Extends - [`JointDef`](/api/interfaces/JointDef).[`PulleyJointOpt`](/api/interfaces/PulleyJointOpt) ## Properties ### bodyA > **bodyA**: [`Body`](/api/classes/Body) The first attached body. #### Inherited from [`JointDef`](/api/interfaces/JointDef).[`bodyA`](/api/interfaces/JointDef#bodya) *** ### bodyB > **bodyB**: [`Body`](/api/classes/Body) The second attached body. #### Inherited from [`JointDef`](/api/interfaces/JointDef).[`bodyB`](/api/interfaces/JointDef#bodyb) *** ### collideConnected? > `optional` **collideConnected**: `boolean` Set this flag to true if the attached bodies should collide. #### Inherited from [`PulleyJointOpt`](/api/interfaces/PulleyJointOpt).[`collideConnected`](/api/interfaces/PulleyJointOpt#collideconnected) *** ### groundAnchorA > **groundAnchorA**: [`Vec2Value`](/api/interfaces/Vec2Value) The first ground anchor in world coordinates. This point never moves. *** ### groundAnchorB > **groundAnchorB**: [`Vec2Value`](/api/interfaces/Vec2Value) The second ground anchor in world coordinates. This point never moves. *** ### lengthA > **lengthA**: `number` The reference length for the segment attached to bodyA. *** ### lengthB > **lengthB**: `number` The reference length for the segment attached to bodyB. *** ### localAnchorA > **localAnchorA**: [`Vec2Value`](/api/interfaces/Vec2Value) The local anchor point relative to bodyA's origin. *** ### localAnchorB > **localAnchorB**: [`Vec2Value`](/api/interfaces/Vec2Value) The local anchor point relative to bodyB's origin. *** ### ratio > **ratio**: `number` The pulley ratio, used to simulate a block-and-tackle. *** ### style? > `optional` **style**: [`Style`](/api/interfaces/Style) Styling for dev-tools. #### Inherited from [`PulleyJointOpt`](/api/interfaces/PulleyJointOpt).[`style`](/api/interfaces/PulleyJointOpt#style) *** ### userData? > `optional` **userData**: `any` Use this to attach application specific data to your joints. #### Inherited from [`PulleyJointOpt`](/api/interfaces/PulleyJointOpt).[`userData`](/api/interfaces/PulleyJointOpt#userdata)