babylon.quarks - v0.19.0
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    Class SpriteParticle

    Particle implementation for sprite-based particle.

    Implements

    Index

    Constructors

    constructor

    Properties

    angularVelocity? color memory parentMatrix? position previousPosition previousVelocity rotation scalarOffset scalars size startColor startSize startSpeed store storeIndex uvTile velocity

    Accessors

    age died life speedModifier

    Methods

    rebind reset setStoreIndex

    Constructors

    • Parameters

      • Optionalstore: ParticleStore

        Column storage to bind to. A private single-row store is created when omitted, so a standalone new SpriteParticle() still works.

      • OptionalstoreIndex: number

        Row this particle owns.

      Returns SpriteParticle

    Properties

    angularVelocity?: number | Quaternion

    Angular velocity of the particle.

    color: Vector4

    Color of the particle.

    memory: never[]

    the memory of the particle.

    parentMatrix?: Matrix4

    Parent matrix for transformation.

    position: Vector3

    Position of the particle.

    previousPosition: Vector3

    Where this particle was when the current simulation step began; see Particle.previousPosition.

    previousVelocity: Vector3

    Velocity at the start of the current step; see Particle.previousVelocity.

    rotation: number | Quaternion

    Rotation of the particle.

    scalarOffset: number
    scalars: Float64Array

    Row of the store's interleaved scalars this particle owns.

    size: Vector3

    Size of the particle.

    startColor: Vector4

    Initial color of the particle.

    startSize: Vector3

    Initial size of the particle.

    startSpeed: number

    Initial speed of the particle.

    store: ParticleStore

    Column storage backing this particle's vector attributes.

    storeIndex: number

    Row this particle occupies in store.

    uvTile: number

    UV tile index.

    velocity: Vector3

    Velocity of the particle.

    Accessors

    • get age(): number

      Age of the particle.

      Returns number

    • set age(value: number): void

      Age of the particle.

      Parameters

      • value: number

      Returns void

    • get died(): boolean

      Indicates if the particle has died.

      Returns boolean

    • get life(): number

      Life duration of the particle.

      Returns number

    • set life(value: number): void

      Life duration of the particle.

      Parameters

      • value: number

      Returns void

    • get speedModifier(): number

      Speed modifier of the particle.

      Returns number

    • set speedModifier(value: number): void

      Speed modifier of the particle.

      Parameters

      • value: number

      Returns void

    Methods

    • Re-points the vector views after the store grew its arrays.

      Returns void

    • Returns void

    • Moves this particle onto a different store row. The caller is responsible for having moved the row contents too.

      Parameters

      • index: number

      Returns void

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