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86 lines
2.8 KiB
HTML
86 lines
2.8 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="Custom post processing effect." />
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<meta
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name="cesium-sandcastle-labels"
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content="Showcases, Post Processing"
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/>
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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
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class="sandcastle-loading"
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data-sandcastle-bucket="bucket-requirejs.html"
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>
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<style>
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@import url(../templates/bucket.css);
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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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function startup(Cesium) {
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"use strict";
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//Sandcastle_Begin
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var viewer = new Cesium.Viewer("cesiumContainer", {
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shouldAnimate: true,
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});
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var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706);
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var url = "../../SampleData/models/CesiumMan/Cesium_Man.glb";
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viewer.trackedEntity = viewer.entities.add({
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name: url,
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position: position,
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model: {
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uri: url,
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},
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});
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var fragmentShaderSource =
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"uniform sampler2D colorTexture; \n" +
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"varying vec2 v_textureCoordinates; \n" +
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"const int KERNEL_WIDTH = 16; \n" +
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"void main(void) \n" +
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"{ \n" +
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" vec2 step = czm_pixelRatio / czm_viewport.zw; \n" +
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" vec2 integralPos = v_textureCoordinates - mod(v_textureCoordinates, 8.0 * step); \n" +
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" vec3 averageValue = vec3(0.0); \n" +
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" for (int i = 0; i < KERNEL_WIDTH; i++) \n" +
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" { \n" +
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" for (int j = 0; j < KERNEL_WIDTH; j++) \n" +
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" { \n" +
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" averageValue += texture2D(colorTexture, integralPos + step * vec2(i, j)).rgb; \n" +
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" } \n" +
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" } \n" +
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" averageValue /= float(KERNEL_WIDTH * KERNEL_WIDTH); \n" +
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" gl_FragColor = vec4(averageValue, 1.0); \n" +
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"} \n";
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viewer.scene.postProcessStages.add(
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new Cesium.PostProcessStage({
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fragmentShader: fragmentShaderSource,
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})
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);
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//Sandcastle_End
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Sandcastle.finishedLoading();
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}
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if (typeof Cesium !== "undefined") {
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window.startupCalled = true;
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startup(Cesium);
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}
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</script>
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</body>
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</html>
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