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| 1 | +<!DOCTYPE html> |
| 2 | +<html> |
| 3 | +<head> |
| 4 | + <meta charset="utf-8"> |
| 5 | + <title>Bloat demo and OSG.js</title> |
| 6 | + <link rel="stylesheet" type="text/css" href="./base.css"> |
| 7 | + |
| 8 | + <!-- Javascript --> |
| 9 | + <script type="text/javascript" src="./core.js"></script> |
| 10 | + <script type="text/javascript" src="./bluebird-2.10.2.js"></script> |
| 11 | + <script type="text/javascript" src="./hammer-2.0.4.js"></script> |
| 12 | + <!--<script type="text/javascript" src="./leap.js"></script>--> |
| 13 | + <script type="text/javascript" src="./OSG.js"></script> |
| 14 | + <script type="text/javascript" src="../../build/mod3.bundle.js"></script> |
| 15 | + <script type="text/javascript" src="../../src/plugins/OSG/OSG.js"></script> |
| 16 | +</head> |
| 17 | + |
| 18 | + |
| 19 | + |
| 20 | +<body class="osgjs-theme-dark"> |
| 21 | + |
| 22 | + <div id="ViewContainer" class="osgjs-fullpage"> |
| 23 | + <!-- very important change the size of the parent element instead--> |
| 24 | + <canvas id="View" style="height:100%;width:100%;" oncontextmenu="return false;"></canvas> |
| 25 | + </div> |
| 26 | + |
| 27 | +</body> |
| 28 | + |
| 29 | +<script type="text/javascript"> |
| 30 | +!function( window ){ |
| 31 | +var OSG = window.OSG, osg = OSG.osg, osgAnimation = OSG.osgAnimation, osgViewer = OSG.osgViewer; |
| 32 | +var mstack, mod; |
| 33 | + |
| 34 | +function SimpleUpdateCallback() {} |
| 35 | +SimpleUpdateCallback.prototype = { |
| 36 | + angle: 0, |
| 37 | + |
| 38 | + update: function ( node, nv ) { |
| 39 | + var t = nv.getFrameStamp().getSimulationTime(); |
| 40 | + var dt = t - node._lastUpdate; |
| 41 | + if ( dt < 0 ) { return true; } |
| 42 | + node._lastUpdate = t; |
| 43 | + |
| 44 | + var m = node.getMatrix(); |
| 45 | + osg.Matrix.makeRotate( -this.angle, 0.0, 1.0, 0.0, m ); |
| 46 | + osg.Matrix.setTrans( m, 0, 0, 10 ); |
| 47 | + this.angle += 0.02; |
| 48 | + |
| 49 | + if ( mod.radius <= 5 ) |
| 50 | + { |
| 51 | + mstack.apply( ); |
| 52 | + mod.radius += 0.02; |
| 53 | + } |
| 54 | + return true; |
| 55 | + } |
| 56 | +}; |
| 57 | + |
| 58 | +function createBox( cx, cy, cz, wx, wy, wz, hx, hy, hz, res1, res2 ) |
| 59 | +{ |
| 60 | + cx = cx !== undefined ? cx : -0.5; |
| 61 | + cy = cy !== undefined ? cy : -0.5; |
| 62 | + cz = cz !== undefined ? cz : 0.0; |
| 63 | + |
| 64 | + wx = wx !== undefined ? wx : 1.0; |
| 65 | + wy = wy !== undefined ? wy : 0.0; |
| 66 | + wz = wz !== undefined ? wz : 0.0; |
| 67 | + |
| 68 | + hx = hx !== undefined ? hx : 0.0; |
| 69 | + hy = hy !== undefined ? hy : 1.0; |
| 70 | + hz = hz !== undefined ? hz : 0.0; |
| 71 | + |
| 72 | + res1 = res1 !== undefined ? res1 : 5; |
| 73 | + res2 = res2 !== undefined ? res2 : res1; |
| 74 | + res1 += 2; |
| 75 | + res2 += 2; |
| 76 | + |
| 77 | + var g = new osg.Geometry(); |
| 78 | + var vertices = new Float32Array( ( res1 /*+ res2*/ ) * 2 * 3 ); |
| 79 | + //var uv = new Float32Array( ( res1 + res2 ) * 2 * 2 ); |
| 80 | + //var normal = new Float32Array( vertices.length ); |
| 81 | + var i = 0; |
| 82 | + var j = 0, k; |
| 83 | + var sx = wx / ( res1 - 1 ); |
| 84 | + var sy = wy / ( res1 - 1 ); |
| 85 | + var sz = wz / ( res1 - 1 ); |
| 86 | + var ux = cx + wx + hx; |
| 87 | + var uy = cy + wy + hy; |
| 88 | + var uz = cz + wz + hz; |
| 89 | + for ( i = 0; i < res1; ++i ) { |
| 90 | + j = i * 6; k = i * 4; |
| 91 | + vertices[ j ] = cx + sx * i; |
| 92 | + vertices[ j + 1 ] = cy + sy * i; |
| 93 | + vertices[ j + 2 ] = cz + sz * i; |
| 94 | + vertices[ j + 3 ] = ux - sx * ( res1 - i - 1 ); |
| 95 | + vertices[ j + 4 ] = uy - sy * ( res1 - i - 1 ); |
| 96 | + vertices[ j + 5 ] = uz - sz * ( res1 - i - 1 ); |
| 97 | + } |
| 98 | + /*sx = hx / ( res2 - 1 ); |
| 99 | + sy = hy / ( res2 - 1 ); |
| 100 | + sz = hz / ( res2 - 1 ); |
| 101 | + for ( i = 0; i < res2; ++i ) { |
| 102 | + j = ( res1 + i ) * 6; |
| 103 | + vertices[ j ] = cx + sx * i; |
| 104 | + vertices[ j + 1 ] = cy + sy * i; |
| 105 | + vertices[ j + 2 ] = cz + sz * i; |
| 106 | + vertices[ j + 3 ] = ux - sx * ( res2 - i - 1 ); |
| 107 | + vertices[ j + 4 ] = uy - sy * ( res2 - i - 1 ); |
| 108 | + vertices[ j + 5 ] = uz - sz * ( res2 - i - 1 ); |
| 109 | + }*/ |
| 110 | + g.getAttributes().Vertex = new osg.BufferArray( osg.BufferArray.ARRAY_BUFFER, vertices, 3 ); |
| 111 | + var primitive = new osg.DrawArrays( osg.PrimitiveSet.LINES, 0, ( res1 /*+ res2*/ ) * 2 ); |
| 112 | + g.getPrimitives().push( primitive ); |
| 113 | + return g; |
| 114 | +} |
| 115 | + |
| 116 | +function createScene() |
| 117 | +{ |
| 118 | + var root = new osg.Node(); |
| 119 | + var cube = createBox( -5, -5, 0.0, 10.0, 0.0, 0.0, 0.0, 10.0, 0, 100, 5 ); |
| 120 | + root.addChild( cube ); |
| 121 | + mstack = new MOD3.ModifierStack( MOD3.LibraryOSG, cube ); |
| 122 | + mod = new MOD3.Bloat( ); |
| 123 | + mstack.addModifier( mod ); |
| 124 | + return root; |
| 125 | +} |
| 126 | + |
| 127 | +function main( ) |
| 128 | +{ |
| 129 | + var canvas = document.getElementById( 'View' ); |
| 130 | + |
| 131 | + var viewer; |
| 132 | + try { |
| 133 | + viewer = new osgViewer.Viewer( canvas, { |
| 134 | + antialias: true, |
| 135 | + alpha: true |
| 136 | + } ); |
| 137 | + viewer.init(); |
| 138 | + var scene = createScene(); |
| 139 | + var rotate = new osg.MatrixTransform(); |
| 140 | + rotate.addChild( scene ); |
| 141 | + rotate.addUpdateCallback( new SimpleUpdateCallback() ); |
| 142 | + viewer.getCamera().setClearColor( [ 0.7, 0.7, 0.7, 0.0 ] ); |
| 143 | + viewer.setSceneData( rotate ); |
| 144 | + //viewer.setupManipulator(); |
| 145 | + //viewer.getManipulator().computeHomePosition(); |
| 146 | + viewer.run(); |
| 147 | + |
| 148 | + } catch ( er ) { |
| 149 | + osg.log( 'exception in osgViewer ' + er ); |
| 150 | + } |
| 151 | +} |
| 152 | + |
| 153 | +window.addEventListener( 'load', main, true ); |
| 154 | +}( window ); |
| 155 | +</script> |
| 156 | +</html> |
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