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41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
import { Cartesian3 } from "../Source/Cesium.js";
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import { defaultValue } from "../Source/Cesium.js";
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import { defined } from "../Source/Cesium.js";
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import { GeographicProjection } from "../Source/Cesium.js";
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import { Matrix4 } from "../Source/Cesium.js";
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import { Camera } from "../Source/Cesium.js";
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function MockScene(canvas) {
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canvas = defaultValue(canvas, {
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clientWidth: 512,
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clientHeight: 384,
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});
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this.canvas = canvas;
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this.drawingBufferWidth = canvas.clientWidth * 2;
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this.drawingBufferHeight = canvas.clientHeight * 2;
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this.mapProjection = new GeographicProjection();
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}
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function createCamera(options) {
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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var scene = new MockScene(options.canvas);
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var camera = new Camera(scene);
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camera.frustum.near = defaultValue(options.near, 0.01);
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camera.frustum.far = defaultValue(options.far, 10.0);
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var offset = defaultValue(options.offset, new Cartesian3(-1.0, 0.0, 0.0));
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if (defined(options.target)) {
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camera.lookAt(options.target, offset);
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} else if (defined(options.transform)) {
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camera.lookAtTransform(options.transform, offset);
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} else {
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camera.lookAtTransform(Matrix4.IDENTITY, offset);
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}
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return camera;
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}
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export default createCamera;
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