418 lines
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HTML
418 lines
24 KiB
HTML
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<h1 class="title">bubbles.svg Example File</h1>
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<span class="small-subtitle">opengl/framebufferobject/bubbles.svg</span>
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<!-- $$$opengl/framebufferobject/bubbles.svg-description -->
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<div class="descr"> <a name="details"></a>
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<pre class="cpp"> <?xml version="1.0" standalone="no"?>
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<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN" "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
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<svg width="20cm" height="15cm" viewBox="0 0 800 600"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink/"
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baseProfile="tiny" version="1.2">
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<title>Spheres</title>
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<desc>Semi-transparent bubbles on a colored background.</desc>
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<defs>
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<!-- Create radial gradients for each bubble. -->
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<radialGradient id="blueBubble" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" stop-opacity="1" />
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<stop offset="25%" stop-color="#cdcdff" stop-opacity=".65" />
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<stop offset="100%" stop-color="#cdaacd" stop-opacity=".75" />
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</radialGradient>
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<radialGradient id="redBubble" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" stop-opacity="1" />
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<stop offset="25%" stop-color="#ffcdcd" stop-opacity=".65" />
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<stop offset="100%" stop-color="#bbbb99" stop-opacity=".75" />
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</radialGradient>
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<radialGradient id="greenBubble" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" stop-opacity="1" />
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<stop offset="25%" stop-color="#cdffcd" stop-opacity=".65" />
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<stop offset="100%" stop-color="#99aaaa" stop-opacity=".75" />
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</radialGradient>
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<radialGradient id="yellowBubble" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" stop-opacity="1" />
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<stop offset="25%" stop-color="#ffffcd" stop-opacity=".65" />
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<stop offset="100%" stop-color="#bbbbaa" stop-opacity=".75" />
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</radialGradient>
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<radialGradient id="background" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="400" fx="250" fy="250">
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<stop offset="0%" stop-color="#ffffee" />
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<stop offset="100%" stop-color="#ccccaa" />
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</radialGradient>
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<linearGradient id="surface" gradientUnits="userSpaceOnUse"
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x1="-100" y1="200" x2="400" y2="200">
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<stop offset="0%" stop-color="#ffffcc" />
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<stop offset="100%" stop-color="#bbbb88" />
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</linearGradient>
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<!-- Create radial gradients for each circle to make them look like
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spheres. -->
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<radialGradient id="blueSphere" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" />
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<stop offset="75%" stop-color="blue" />
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<stop offset="100%" stop-color="#222244" />
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</radialGradient>
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<radialGradient id="redSphere" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" />
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<stop offset="75%" stop-color="red" />
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<stop offset="100%" stop-color="#442222" />
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</radialGradient>
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<radialGradient id="greenSphere" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" />
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<stop offset="75%" stop-color="green" />
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<stop offset="100%" stop-color="#113311" />
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</radialGradient>
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<radialGradient id="yellowSphere" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="-50">
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<stop offset="0%" stop-color="white" />
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<stop offset="75%" stop-color="yellow" />
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<stop offset="100%" stop-color="#444422" />
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</radialGradient>
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<radialGradient id="shadowGrad" gradientUnits="userSpaceOnUse"
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cx="0" cy="0" r="100" fx="-50" fy="50">
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<stop offset="0%" stop-color="black" stop-opacity="1.0" />
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<stop offset="100%" stop-color="black" stop-opacity="0.0" />
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</radialGradient>
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<!-- Define a shadow for each sphere. -->
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<circle id="shadow" fill="url(#shadowGrad)" cx="0" cy="0" r="100" />
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<g id="bubble">
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<circle fill="black" cx="0" cy="0" r="50" />
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<circle fill="#a6ce39" cx="0" cy="0" r="33" />
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<path fill="black" d="M 37,50 L 50,37 L 12,-1 L 22,-11 L 10,-24 L -24,10
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L -11,22 L -1,12 Z" />
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<circle cx="0" cy="0" r="100" />
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</g>
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</defs>
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<g>
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<rect fill="url(#background)" x="0" y="0" width="800" height="600" />
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</g>
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<g transform="translate(200,700)">
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<use xlink:href="#bubble" fill="url(#blueBubble)" />
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="1s" dur="10s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(315,700)">
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<g transform="scale(0.5,0.5)">
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<use xlink:href="#bubble" fill="url(#redBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="3s" dur="7s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(80,700)">
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<g transform="scale(0.65,0.65)">
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<use xlink:href="#bubble" fill="url(#greenBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="5s" dur="9s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(255,700)">
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<g transform="scale(0.3,0.3)">
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<use xlink:href="#bubble" fill="url(#yellowBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="2s" dur="6s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(565,700)">
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<g transform="scale(0.4,0.4)">
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<use xlink:href="#bubble" fill="url(#blueBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="4s" dur="8s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(715,700)">
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<g transform="scale(0.6,0.6)">
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<use xlink:href="#bubble" fill="url(#redBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="1s" dur="4s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(645,700)">
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<g transform="scale(0.375,0.375)">
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<use xlink:href="#bubble" fill="url(#greenBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="0s" dur="11s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(555,700)">
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<g transform="scale(0.9,0.9)">
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<use xlink:href="#bubble" fill="url(#yellowBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="3s" dur="7.5s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(360,700)">
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<g transform="scale(0.5,0.5)">
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<use xlink:href="#bubble" fill="url(#blueBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="3s" dur="6s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(215,700)">
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<g transform="scale(0.45,0.45)">
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<use xlink:href="#bubble" fill="url(#redBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="5.5s" dur="7s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(420,700)">
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<g transform="scale(0.75,0.75)">
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<use xlink:href="#bubble" fill="url(#greenBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="1s" dur="9s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(815,700)">
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<g transform="scale(0.6,0.6)">
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<use xlink:href="#bubble" fill="url(#yellowBubble)" />
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</g>
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<animateTransform attributeName="transform" type="translate" additive="sum"
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values="0,0; 0,-800" begin="2s" dur="9.5s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(225,375)" >
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<g transform="scale(1.0,0.5)" >
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<path d="M 0 0 L 350 0 L 450 450 L -100 450 z"
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fill="url(#surface)" stroke="none" />
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</g>
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</g>
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<g transform="translate(200,0)" >
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<g transform="translate(200,490) scale(2.0,1.0) rotate(45)" >
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<rect fill="#a6ce39" x="-69" y="-69" width="138" height="138" />
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<circle fill="black" cx="0" cy="0" r="50" />
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<circle fill="#a6ce39" cx="0" cy="0" r="33" />
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<path fill="black" d="M 37,50 L 50,37 L 12,-1 L 22,-11 L 10,-24 L -24,10
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L -11,22 L -1,12 Z" />
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<animateTransform attributeName="transform" type="rotate" additive="sum" values="0; 360"
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begin="0s" dur="10s" fill="freeze" repeatCount="indefinite" />
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</g>
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<g transform="translate(200,375)">
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<use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
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<circle fill="url(#blueSphere)" cx="0" cy="0" r="100" />
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</g>
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<g transform="translate(315,440)">
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<g transform="scale(0.5,0.5)">
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<use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
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<circle fill="url(#redSphere)" cx="0" cy="0" r="100" />
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</g>
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</g>
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<g transform="translate(80,475)">
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<g transform="scale(0.65,0.65)">
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<use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
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<circle fill="url(#greenSphere)" cx="0" cy="0" r="100" />
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</g>
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</g>
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<g transform="translate(255,525)">
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<g transform="scale(0.3,0.3)">
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<use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />
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<circle fill="url(#yellowSphere)" cx="0" cy="0" r="100" />
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</g>
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</g>
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</g>
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</svg></pre>
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</div>
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<!-- @@@opengl/framebufferobject/bubbles.svg -->
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The documentation provided herein is licensed under the terms of the
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