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HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta
name="viewport"
content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"
/>
<meta name="description" content="Custom post processing effect." />
<meta
name="cesium-sandcastle-labels"
content="Showcases, Post Processing"
/>
<title>Cesium Demo</title>
<script type="text/javascript" src="../Sandcastle-header.js"></script>
<script
type="text/javascript"
src="../../../Build/CesiumUnminified/Cesium.js"
nomodule
></script>
<script type="module" src="../load-cesium-es6.js"></script>
</head>
<body
class="sandcastle-loading"
data-sandcastle-bucket="bucket-requirejs.html"
>
<style>
@import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
"use strict";
//Sandcastle_Begin
var viewer = new Cesium.Viewer("cesiumContainer", {
shouldAnimate: true,
});
var position = Cesium.Cartesian3.fromDegrees(-123.0744619, 44.0503706);
var url = "../../SampleData/models/CesiumMan/Cesium_Man.glb";
viewer.trackedEntity = viewer.entities.add({
name: url,
position: position,
model: {
uri: url,
},
});
var fragmentShaderSource =
"uniform sampler2D colorTexture; \n" +
"varying vec2 v_textureCoordinates; \n" +
"const int KERNEL_WIDTH = 16; \n" +
"void main(void) \n" +
"{ \n" +
" vec2 step = czm_pixelRatio / czm_viewport.zw; \n" +
" vec2 integralPos = v_textureCoordinates - mod(v_textureCoordinates, 8.0 * step); \n" +
" vec3 averageValue = vec3(0.0); \n" +
" for (int i = 0; i < KERNEL_WIDTH; i++) \n" +
" { \n" +
" for (int j = 0; j < KERNEL_WIDTH; j++) \n" +
" { \n" +
" averageValue += texture2D(colorTexture, integralPos + step * vec2(i, j)).rgb; \n" +
" } \n" +
" } \n" +
" averageValue /= float(KERNEL_WIDTH * KERNEL_WIDTH); \n" +
" gl_FragColor = vec4(averageValue, 1.0); \n" +
"} \n";
viewer.scene.postProcessStages.add(
new Cesium.PostProcessStage({
fragmentShader: fragmentShaderSource,
})
);
//Sandcastle_End
Sandcastle.finishedLoading();
}
if (typeof Cesium !== "undefined") {
window.startupCalled = true;
startup(Cesium);
}
</script>
</body>
</html>