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fix VectorLayer render Performance issues #2450

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Merged
fuzhenn merged 1 commit into from
Oct 31, 2024
Merged

fix VectorLayer render Performance issues #2450

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30 changes: 16 additions & 14 deletions src/renderer/layer/vectorlayer/VectorLayerCanvasRenderer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ import * as vec3 from '../../../core/util/vec3';
import Canvas from '../../../core/Canvas';
import type { Painter, CollectionPainter } from '../../geometry';
import { Point } from '../../../geo';
import { Geometries } from '../../../geometry';
import { Geometries, Marker } from '../../../geometry';
import type { WithUndef } from '../../../types/typings';

const TEMP_EXTENT = new PointExtent();
Expand Down Expand Up @@ -70,19 +70,9 @@ class VectorLayerRenderer extends OverlayLayerCanvasRenderer {
setToRedraw(): this {
super.setToRedraw();
this._resetProgressiveRender();
this._resetGeosCollisionState();
return this;
}

_resetGeosCollisionState() {
const geos = this.layer._geoList || [];
for (let i = 0, len = geos.length; i < len; i++) {
const geo = geos[i];
if (geo.isPoint) {
geo._collided = false;
}
}
}

//@internal
_geoIsCollision(geo: GeoType, collisionIndex: any) {
Expand Down Expand Up @@ -378,20 +368,32 @@ class VectorLayerRenderer extends OverlayLayerCanvasRenderer {

//@internal
_collidesGeos() {
const geos = this._geosToDraw;
const collision = this.layer.options['collision'];
if (!collision) {
//reset points _collided
for (let i = 0, len = geos.length; i < len; i++) {
const geo = geos[i];
if (geo.isPoint) {
(geo as Marker)._collided = false;
}
}
return this;
}
const collisionScope = this.layer.options['collisionScope'];
const collisionIndex = this.layer.getCollisionIndex();
if (collisionScope === 'layer') {
collisionIndex.clear();
}
const geos = this._geosToDraw;
this._geosToDraw = [];
for (let i = 0, len = geos.length; i < len; i++) {
if (this._geoIsCollision(geos[i], collisionIndex)) {
continue;
const geo = geos[i];
if (geo.isPoint) {
(geo as Marker)._collided = false;
if (this._geoIsCollision(geo, collisionIndex)) {
(geo as Marker)._collided = true;
continue;
}
}
this._geosToDraw.push(geos[i]);
}
Expand Down