77 lines
2.5 KiB
HTML
77 lines
2.5 KiB
HTML
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<!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 name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
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<meta name="description" content="Custom post processing effect.">
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<meta name="cesium-sandcastle-labels" content="Showcases, Post Processing">
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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 type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
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<script type="text/javascript">
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require.config({
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baseUrl : '../../../Source',
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waitSeconds : 60
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});
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</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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</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 = 1.0 / 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(new Cesium.PostProcessStage({
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fragmentShader : fragmentShaderSource
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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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startup(Cesium);
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} else if (typeof require === 'function') {
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require(['Cesium'], startup);
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}
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</script>
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</body>
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</html>
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