Doodle3D-Slicer/three.js-master/editor/js/Viewport.Info.js

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JavaScript
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2015-06-12 15:58:26 +02:00
/**
* @author mrdoob / http://mrdoob.com/
*/
Viewport.Info = function ( editor ) {
var signals = editor.signals;
var container = new UI.Panel();
container.setId( 'info' );
container.setPosition( 'absolute' );
container.setLeft( '10px' );
container.setBottom( '10px' );
container.setFontSize( '12px' );
container.setColor( '#fff' );
var objectsText = new UI.Text( '0' ).setMarginLeft( '6px' );
var verticesText = new UI.Text( '0' ).setMarginLeft( '6px' );
var trianglesText = new UI.Text( '0' ).setMarginLeft( '6px' );
container.add( new UI.Text( 'objects' ), objectsText, new UI.Break() );
container.add( new UI.Text( 'vertices' ), verticesText, new UI.Break() );
container.add( new UI.Text( 'triangles' ), trianglesText, new UI.Break() );
signals.objectAdded.add( update );
signals.objectRemoved.add( update );
signals.geometryChanged.add( update );
//
function update() {
var scene = editor.scene;
var objects = 0, vertices = 0, triangles = 0;
for ( var i = 0, l = scene.children.length; i < l; i ++ ) {
var object = scene.children[ i ];
object.traverseVisible( function ( object ) {
objects ++;
if ( object instanceof THREE.Mesh ) {
var geometry = object.geometry;
if ( geometry instanceof THREE.Geometry ) {
vertices += geometry.vertices.length;
triangles += geometry.faces.length;
} else if ( geometry instanceof THREE.BufferGeometry ) {
vertices += geometry.attributes.position.array.length / 3;
if ( geometry.attributes.index !== undefined ) {
triangles += geometry.attributes.index.array.length / 3;
} else {
triangles += geometry.attributes.position.array.length / 9;
}
}
}
} );
}
objectsText.setValue( objects.format() );
verticesText.setValue( vertices.format() );
trianglesText.setValue( triangles.format() );
}
return container;
}