mirror of https://github.com/CesiumGS/cesium.git
142 lines
4.5 KiB
HTML
142 lines
4.5 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<meta
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name="viewport"
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content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
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/>
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<meta name="description" content="Create 3D models using glTF." />
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<meta name="cesium-sandcastle-labels" content="3D Tiles" />
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<title>Cesium Demo</title>
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<script type="text/javascript" src="../Sandcastle-header.js"></script>
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<script
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type="text/javascript"
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src="../../../Build/CesiumUnminified/Cesium.js"
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nomodule
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></script>
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<script type="module" src="../load-cesium-es6.js"></script>
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</head>
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<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
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<style>
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@import url(../templates/bucket.css);
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#toolbar {
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background: rgba(42, 42, 42, 0.8);
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padding: 4px;
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border-radius: 4px;
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}
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#toolbar input {
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vertical-align: middle;
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padding-top: 2px;
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padding-bottom: 2px;
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}
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</style>
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<div id="cesiumContainer" class="fullSize"></div>
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<div id="loadingOverlay"><h1>Loading...</h1></div>
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<div id="toolbar"></div>
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<script id="cesium_sandcastle_script">
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window.startup = async function (Cesium) {
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"use strict";
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//Sandcastle_Begin
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const viewer = new Cesium.Viewer("cesiumContainer");
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const colorShader = new Cesium.CustomShader({
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lightingModel: Cesium.LightingModel.UNLIT,
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fragmentShaderText: `
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// Color tiles by distance to the camera
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void fragmentMain(FragmentInput fsInput, inout czm_modelMaterial material)
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{
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material.diffuse = vec3(0.0, 0.0, 1.0);
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material.diffuse.g = -fsInput.attributes.positionEC.z / 1.0e4;
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}`,
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});
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let tileset = null;
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try {
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tileset = await Cesium.Cesium3DTileset.fromIonAssetId(75343, {
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customShader: colorShader,
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});
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viewer.scene.primitives.add(tileset);
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} catch (error) {
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console.log(`Error loading tileset: ${error}`);
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}
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const initialPosition = Cesium.Cartesian3.fromDegrees(
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-74.01881302800248,
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40.69114333714821,
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753,
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);
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const initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(
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21.27879878293835,
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-21.34390550872461,
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0.0716951918898415,
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);
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viewer.scene.camera.setView({
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destination: initialPosition,
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orientation: initialOrientation,
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endTransform: Cesium.Matrix4.IDENTITY,
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});
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const options = [
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{
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text: "Color",
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onselect: function () {
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tileset.customShader = colorShader;
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},
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},
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{
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text: "Stripes",
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onselect: function () {
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tileset.customShader = new Cesium.CustomShader({
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uniforms: {
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// elapsed time in seconds for animation
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u_time: {
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type: Cesium.UniformType.FLOAT,
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value: 0,
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},
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// user-defined texture
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u_stripes: {
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type: Cesium.UniformType.SAMPLER_2D,
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value: new Cesium.TextureUniform({
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url: "../../SampleData/cesium_stripes.png",
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}),
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},
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},
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// Apply the texture to the model, but move the texture coordinates
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// a bit over time so it's animated.
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fragmentShaderText: `
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void fragmentMain(FragmentInput fsInput, inout czm_modelMaterial material)
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{
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vec2 texCoord = vec2(fsInput.attributes.positionMC.y / 100., 0.) + 0.01 * vec2(czm_frameNumber, 0.0);
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material.diffuse = texture(u_stripes, texCoord).rgb;
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}`,
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});
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},
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},
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{
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text: "None",
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onselect: function () {
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tileset.customShader = null;
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},
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},
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];
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Sandcastle.addToolbarMenu(options);
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//Sandcastle_End
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};
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if (typeof Cesium !== "undefined") {
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window.startupCalled = true;
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window.startup(Cesium).catch((error) => {
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"use strict";
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console.error(error);
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});
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Sandcastle.finishedLoading();
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}
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</script>
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</body>
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</html>
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