UNPKG

@wonderlandengine/components

Version:

Wonderland Engine's official component library.

45 lines (44 loc) 1.58 kB
import { Component, Material } from '@wonderlandengine/api'; /** * Dynamic mesh-based trail * * This component keeps track of the world position of the object it's added to. * At a fixed interval the world position is stored as start and end points of the trail segments. * * The trail tapers off along its length. UV texture coordinates are setup such that the * U-axis covers the width of the trail and the V-axis covers the length of the trail. * This allows the trail's appearance to be defined using a texture. */ export declare class Trail extends Component { static TypeName: string; /** The material to apply to the trail mesh */ material: Material | null; /** The number of segments in the trail mesh */ segments: number; /** The time interval before recording a new point */ interval: number; /** The width of the trail (in world space) */ width: number; /** Whether or not the trail should taper off */ taper: boolean; /** * The maximum delta time in seconds, above which the trail resets. * This prevents the trail from jumping around when updates happen * infrequently (e.g. when the tab doesn't have focus). */ resetThreshold: number; private _currentPointIndex; private _timeTillNext; private _points; private _trailContainer; private _meshComp; private _mesh; private _indexData; start(): void; updateVertices(): void; resetTrail(): void; update(dt: number): void; onActivate(): void; onDeactivate(): void; onDestroy(): void; }