MergedMixin

This is for Merge Mesh. When there is a large amount of data, you may need to merge mesh. At this time, you need to MergedMixin

import {BaseObject,MergedMixin} from 'maptalks.three`;
//custom TestBaseObject Merge BaseObject
class TestBaseObject extends MergedMixin(BaseObject){
    constructor(.....){
        ........
    }

    .......
}

properties

• _colorMap color map
• _faceMap geometries face map
• _baseObjects baseobjects
• _datas data list
• _geometriesAttributes geometries attributes map,uv,position,normal....
• _geometryCache
• faceIndex face index
• index data index

Methods

• _initBaseObjectsEvent(baseobjects) proxy all baseobject events
  • baseobjects Array[BaseObject]
  • return this

• _setPickObject3d() set pick object3d for gpu pick
  • return this

• _init() Listen for baseobject add/remove events for add/remove pickobject3d
  • return this

        _init(): void {
            const pick = this.getLayer().getPick();
            this.on('add', () => {
                pick.add(this.pickObject3d);
            });
            this.on('remove', () => {
                pick.remove(this.pickObject3d);
            });
        }  

Example

custom-mergedmixin