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planck-js

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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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# Class: ContactID Contact ids to facilitate warm starting. ContactFeature: The features that intersect to form the contact point. ## Constructors ### new ContactID() > **new ContactID**(): [`ContactID`](/api/classes/ContactID) #### Returns [`ContactID`](/api/classes/ContactID) ## Properties ### indexA > **indexA**: `number` = `-1` ContactFeature index on shapeA *** ### indexB > **indexB**: `number` = `-1` ContactFeature index on shapeB *** ### key > **key**: `number` = `-1` Used to quickly compare contact ids. *** ### typeA > **typeA**: [`ContactFeatureType`](/api/enumerations/ContactFeatureType) = `ContactFeatureType.e_unset` ContactFeature type on shapeA *** ### typeB > **typeB**: [`ContactFeatureType`](/api/enumerations/ContactFeatureType) = `ContactFeatureType.e_unset` ContactFeature type on shapeB ## Methods ### recycle() > **recycle**(): `void` #### Returns `void` *** ### set() > **set**(`that`): `void` #### Parameters • **that**: [`ContactID`](/api/classes/ContactID) #### Returns `void` *** ### setFeatures() > **setFeatures**(`indexA`, `typeA`, `indexB`, `typeB`): `void` #### Parameters • **indexA**: `number` • **typeA**: [`ContactFeatureType`](/api/enumerations/ContactFeatureType) • **indexB**: `number` • **typeB**: [`ContactFeatureType`](/api/enumerations/ContactFeatureType) #### Returns `void` *** ### swapFeatures() > **swapFeatures**(): `void` #### Returns `void`