~holger-seelig/cobweb.js/trunk

coordIndex='0, 1, -1, 2, 3, -1, 4, 5, -1, 6, 7, -1, 8, 9, -1, 10, 11, -1, 12, 13, -1, 14, 15, -1, 16, 17, -1, 18, 19, -1, 20, 21, -1, 22, 23, -1, 24, 25, -1, 26, 27, -1, 28, 29, -1, 30, 31, -1'>

<Coordinate

point='-4 0 -5, -4 0 5, -3 0 -5, -3 0 5, -2 0 -5, -2 0 5, -1 0 -5, -1 0 5, 1 0 -5, 1 0 5, 2 0 -5, 2 0 5, 3 0 -5, 3 0 5, 4 0 -5, 4 0 5, -5 0 -4, 5 0 -4, -5 0 -3, 5 0 -3, -5 0 -2, 5 0 -2, -5 0 -1, 5 0 -1, -5 0 1, 5 0 1, -5 0 2, 5 0 2, -5 0 3, 5 0 3, -5 0 4, 5 0 4'/>

</IndexedLineSet>

</Shape>

<LineProperties

linewidthScaleFactor='6'/>

</Appearance>

<Coordinate

point='0 -5 0, 0 0 0, 0 5 0'/>

</PointSet>

</Shape>

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<LineProperties

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linewidthScaleFactor='4'/>

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</Appearance>

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<Coordinate

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point='0 -4 0, 0 -3 0, 0 -2 0, 0 -1 0, 0 1 0, 0 2 0, 0 3 0, 0 4 0'/>

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</PointSet>

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</Shape>

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</Transform>

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<Script DEF='GridScript'

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directOutput='true'

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mustEvaluate='true'>

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</field>

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</field>

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</field>

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</field>

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</field>

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<IS>

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</IS>

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<![CDATA[javascript:

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function initialize ()

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{

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eventsProcessed ();

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}

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function eventsProcessed ()

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{

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// Plane

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plane .scale = new SFVec3f (dimension [0], dimension [2], 1);

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// Grid

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generateGrid (true, majorGrid);

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generateGrid (false, minorGrid);

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// Points

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generatePoints (true, majorPoints .coord .point);

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generatePoints (false, minorPoints .coord .point);

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}

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function generateGrid (major, grid)

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{

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var point = grid .coord .point;

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var coordIndex = new MFInt32 ();

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var scaleX1_2 = dimension [0] / 2;

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var scaleZ1_2 = dimension [2] / 2;

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var majorAdd = major / 4;

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var p = 0;

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for (var i = 0, size = dimension [0] + 1; i < size; ++ i)

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{

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if (major - isMajorLine (i, 0))

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continue;

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var x = -scaleX1_2 + i;

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point [p] = new SFVec3f (x, 0, -scaleZ1_2 - majorAdd);

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point [p + 1] = new SFVec3f (x, 0, scaleZ1_2 + majorAdd);

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coordIndex [coordIndex .length] = p;

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coordIndex [coordIndex .length] = p + 1;

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coordIndex [coordIndex .length] = -1;

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p += 2;

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}

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for (var i = 0, size = dimension [2] + 1; i < size; ++ i)

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{

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if (major - isMajorLine (i, 2))

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continue;

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var z = -scaleZ1_2 + i;

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point [p] = new SFVec3f (-scaleX1_2 - majorAdd, 0, z);

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point [p + 1] = new SFVec3f ( scaleX1_2 + majorAdd, 0, z);

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coordIndex [coordIndex .length] = p;

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coordIndex [coordIndex .length] = p + 1;

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coordIndex [coordIndex .length] = -1;

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p += 2;

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}

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point .length = p;

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grid .set_coordIndex = coordIndex;

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}

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function generatePoints (major, point)

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{

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var scaleY1_2 = -dimension [1] / 2;

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var p = 0;

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for (var i = 0, size = dimension [1] + 1; i < size; ++ i)

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{

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if (major - isMajorLine (i, 1))

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continue;

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point [p] = new SFVec3f (0, scaleY1_2 + i, 0);

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++ p;

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}

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point .length = p;

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}

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function isMajorLine (i, index)

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{

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for (var d = index; d < majorLineEvery .length; d += 3)

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{

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if (isMajor (i, dimension [index], majorLineEvery [d], majorLineOffset [d]))

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return true;

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}

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return false;

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}

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function isMajor (i, dimension, majorLineEvery, majorLineOffset)

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{

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if (majorLineEvery)

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{

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var index = Math .floor (i - dimension / 2 - majorLineOffset);

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return !(index % majorLineEvery);

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}

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return false;

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}

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]]>

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</Script>

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</ProtoBody>

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</ProtoDeclare>

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<MetadataSet DEF='Titania'

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name='Titania'

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reference='http://titania.create3000.de'>

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<MetadataSet DEF='AngleGrid' containerField='value'

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name='AngleGrid'

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reference='http://titania.create3000.de'>

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<MetadataBoolean DEF='enabled' containerField='value'

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name='enabled'

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reference='http://titania.create3000.de'

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value='false'/>

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</MetadataSet>

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<MetadataSet DEF='Grid' containerField='value'

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name='Grid'

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reference='http://titania.create3000.de'>

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<MetadataBoolean DEF='enabled_1' containerField='value'

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name='enabled'

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reference='http://titania.create3000.de'

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value='false'/>

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</MetadataSet>

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<MetadataSet DEF='NavigationInfo' containerField='value'

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name='NavigationInfo'

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reference='http://titania.create3000.de'>

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<MetadataString DEF='type' containerField='value'

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name='type'

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reference='http://titania.create3000.de'

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value='"NONE"'/>

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</MetadataSet>

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<MetadataSet DEF='Viewpoint' containerField='value'

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name='Viewpoint'

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reference='http://titania.create3000.de'>

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<MetadataDouble DEF='position' containerField='value'

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name='position'

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reference='http://titania.create3000.de'

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value='0, 0, 10'/>

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<MetadataDouble DEF='orientation' containerField='value'

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name='orientation'

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reference='http://titania.create3000.de'

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value='0, 0, 1, 0'/>

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<MetadataDouble DEF='centerOfRotation' containerField='value'

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name='centerOfRotation'

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reference='http://titania.create3000.de'

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value='0, 0, 0'/>

292

</MetadataSet>

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<MetadataSet DEF='Selection' containerField='value'

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name='Selection'

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reference='http://titania.create3000.de'>

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<MetadataSet DEF='previous' containerField='value'

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name='previous'

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reference='http://titania.create3000.de'>

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<Shape>

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<![CDATA[data:text/plain,

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uniform mat4 x3d_ProjectionMatrix;

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uniform mat4 x3d_ModelViewMatrix;

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attribute vec4 x3d_Vertex;

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attribute mat3 rotation;

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void

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main ()

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{

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vec4 vertex = vec4 (rotation * vec3 (x3d_Vertex), 1.0);

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gl_Position = x3d_ProjectionMatrix * x3d_ModelViewMatrix * vertex;

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}]]>

320

</ShaderPart>

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<ShaderPart

322

type='FRAGMENT'>

323

<![CDATA[data:text/plain,

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void

326

main ()

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{

328

gl_FragColor = vec4 (1.0, 0.0, 0.0, 1.0);

329

}]]>

330

</ShaderPart>

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</ComposedShader>

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</Appearance>

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<IndexedLineSet

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coordIndex='0, 1, 2, 0, -1, 2, 3, 0'>

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<Matrix3VertexAttribute

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name='rotation'

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value='0 0 -1 0 1 0 1 0 0, 0 0 -1 0 1 0 1 0 0, 0 0 -1 0 1 0 1 0 0, 0 0 -1 0 1 0 1 0 0'/>

338

<Coordinate

339

point='0 -1 -1, 0 -1 1, 0 1 1, 0 1 -1'/>

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</IndexedLineSet>

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</Shape>

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</Transform>

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</MetadataSet>

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<MetadataSet DEF='children' containerField='value'

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name='children'

346

reference='http://titania.create3000.de'>

347

<Transform DEF='Text' containerField='value'

348

translation='-5.01454 -2.98505 0'>

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<Shape>

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</Appearance>

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<Text

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string='"Must show a 2x2 rectangle."'

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solid='true'>

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<FontStyle DEF='_1'

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size='0.39'/>

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</Text>

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</Shape>

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</Transform>

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</MetadataSet>

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</MetadataSet>

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</MetadataSet>

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</WorldInfo>

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</ProtoInstance>

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</Scene>

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</X3D>

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