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Added size & position callbacks

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This commit is contained in:
Olivier Guyot
2018-11-15 12:14:57 +01:00
parent 3c5eac13c9
commit 81807c5910
1 changed files with 11 additions and 1 deletions
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src/ol/renderer/webgl-new/PointsLayer.js
+11 -1
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@@ -74,6 +74,14 @@ class WebGLPointsLayerRenderer extends LayerRenderer {
const fragmentShader = new WebGLFragment(options.fragmentShader || FRAGMENT_SHADER); const fragmentShader = new WebGLFragment(options.fragmentShader || FRAGMENT_SHADER);
const program = this.context_.getProgram(fragmentShader, vertexShader); const program = this.context_.getProgram(fragmentShader, vertexShader);
this.context_.useProgram(program); this.context_.useProgram(program);
this.sizeCallback_ = options.sizeCallback || function(feature) {
return 1;
};
this.coordCallback_ = options.coordCallback || function(feature, index) {
const geom = /** @type {import("../../geom/Point").default} */ (feature.getGeometry());
return geom.getCoordinates()[index];
}
} }
/** /**
@@ -115,7 +123,9 @@ class WebGLPointsLayerRenderer extends LayerRenderer {
return; return;
} }
const geom = /** @type {import("../../geom/Point").default} */ (feature.getGeometry()); const geom = /** @type {import("../../geom/Point").default} */ (feature.getGeometry());
const x = geom.getCoordinates()[0], y = geom.getCoordinates()[1], size = 1; const x = this.coordCallback_(feature, 0);
const y = this.coordCallback_(feature, 1);
const size = this.sizeCallback_(feature);
let stride = 6; let stride = 6;
let baseIndex = this.verticesBuffer_.getArray().length / stride; let baseIndex = this.verticesBuffer_.getArray().length / stride;