45 lines
1.5 KiB
JavaScript
45 lines
1.5 KiB
JavaScript
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define([
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'../Core/Ellipsoid',
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'../Core/HeightmapTessellator',
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'../Core/Rectangle',
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'./createTaskProcessorWorker'
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], function(
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Ellipsoid,
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HeightmapTessellator,
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Rectangle,
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createTaskProcessorWorker) {
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'use strict';
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function createVerticesFromHeightmap(parameters, transferableObjects) {
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var arrayWidth = parameters.width;
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var arrayHeight = parameters.height;
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if (parameters.skirtHeight > 0.0) {
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arrayWidth += 2;
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arrayHeight += 2;
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}
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parameters.ellipsoid = Ellipsoid.clone(parameters.ellipsoid);
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parameters.rectangle = Rectangle.clone(parameters.rectangle);
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var statistics = HeightmapTessellator.computeVertices(parameters);
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var vertices = statistics.vertices;
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transferableObjects.push(vertices.buffer);
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return {
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vertices : vertices.buffer,
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numberOfAttributes : statistics.encoding.getStride(),
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minimumHeight : statistics.minimumHeight,
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maximumHeight : statistics.maximumHeight,
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gridWidth : arrayWidth,
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gridHeight : arrayHeight,
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boundingSphere3D : statistics.boundingSphere3D,
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orientedBoundingBox : statistics.orientedBoundingBox,
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occludeePointInScaledSpace : statistics.occludeePointInScaledSpace,
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encoding : statistics.encoding
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};
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}
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return createTaskProcessorWorker(createVerticesFromHeightmap);
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});
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