mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-07-08 11:40:43 +02:00
330 lines
8.4 KiB
JavaScript
Executable File
330 lines
8.4 KiB
JavaScript
Executable File
/**
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* @author mrdoob / http://mrdoob.com/
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*/
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THREE.CSS3DObject = function ( element ) {
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THREE.Object3D.call( this );
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this.elementL = element.cloneNode( true );
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this.elementL.style.position = 'absolute';
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this.elementR = element.cloneNode( true );
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this.elementR.style.position = 'absolute';
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this.addEventListener( 'removed', function ( event ) {
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if ( this.elementL.parentNode !== null ) {
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this.elementL.parentNode.removeChild( this.elementL );
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}
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if ( this.elementR.parentNode !== null ) {
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this.elementR.parentNode.removeChild( this.elementR );
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}
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} );
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};
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THREE.CSS3DObject.prototype = Object.create( THREE.Object3D.prototype );
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THREE.CSS3DObject.prototype.constructor = THREE.CSS3DObject;
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THREE.CSS3DSprite = function ( element ) {
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THREE.CSS3DObject.call( this, element );
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};
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THREE.CSS3DSprite.prototype = Object.create( THREE.CSS3DObject.prototype );
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THREE.CSS3DSprite.prototype.constructor = THREE.CSS3DSprite;
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//
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THREE.CSS3DStereoRenderer = function () {
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console.log( 'THREE.CSS3DRenderer', THREE.REVISION );
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var _width, _height;
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var _widthHalf, _heightHalf;
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var matrix = new THREE.Matrix4();
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var _position = new THREE.Vector3();
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var _quaternion = new THREE.Quaternion();
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var _scale = new THREE.Vector3();
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var _cameraL = new THREE.PerspectiveCamera();
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var _cameraR = new THREE.PerspectiveCamera();
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var _target = new THREE.Vector3();
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this.separation = 6;
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this.targetDistance = 500;
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//
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var domElement = document.createElement( 'div' );
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this.domElement = domElement;
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//
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var domElementL = document.createElement( 'div' );
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domElementL.style.display = 'inline-block';
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domElementL.style.overflow = 'hidden';
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domElementL.style.WebkitTransformStyle = 'preserve-3d';
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domElementL.style.MozTransformStyle = 'preserve-3d';
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domElementL.style.oTransformStyle = 'preserve-3d';
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domElementL.style.transformStyle = 'preserve-3d';
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domElement.appendChild( domElementL );
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var cameraElementL = document.createElement( 'div' );
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cameraElementL.style.WebkitTransformStyle = 'preserve-3d';
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cameraElementL.style.MozTransformStyle = 'preserve-3d';
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cameraElementL.style.oTransformStyle = 'preserve-3d';
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cameraElementL.style.transformStyle = 'preserve-3d';
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domElementL.appendChild( cameraElementL );
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//
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var domElementR = document.createElement( 'div' );
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domElementR.style.display = 'inline-block';
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domElementR.style.overflow = 'hidden';
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domElementR.style.WebkitTransformStyle = 'preserve-3d';
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domElementR.style.MozTransformStyle = 'preserve-3d';
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domElementR.style.oTransformStyle = 'preserve-3d';
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domElementR.style.transformStyle = 'preserve-3d';
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domElement.appendChild( domElementR );
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var cameraElementR = document.createElement( 'div' );
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cameraElementR.style.WebkitTransformStyle = 'preserve-3d';
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cameraElementR.style.MozTransformStyle = 'preserve-3d';
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cameraElementR.style.oTransformStyle = 'preserve-3d';
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cameraElementR.style.transformStyle = 'preserve-3d';
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domElementR.appendChild( cameraElementR );
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this.setClearColor = function () {
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};
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this.setSize = function ( width, height ) {
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domElement.style.width = width + 'px';
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domElement.style.height = height + 'px';
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_width = width / 2;
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_height = height;
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_widthHalf = _width / 2;
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_heightHalf = _height / 2;
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domElementL.style.width = _width + 'px';
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domElementL.style.height = _height + 'px';
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cameraElementL.style.width = _width + 'px';
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cameraElementL.style.height = _height + 'px';
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domElementR.style.width = _width + 'px';
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domElementR.style.height = _height + 'px';
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cameraElementR.style.width = _width + 'px';
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cameraElementR.style.height = _height + 'px';
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};
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var epsilon = function ( value ) {
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return Math.abs( value ) < 0.000001 ? 0 : value;
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};
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var getCameraCSSMatrix = function ( matrix ) {
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var elements = matrix.elements;
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return 'matrix3d(' +
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epsilon( elements[ 0 ] ) + ',' +
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epsilon( - elements[ 1 ] ) + ',' +
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epsilon( elements[ 2 ] ) + ',' +
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epsilon( elements[ 3 ] ) + ',' +
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epsilon( elements[ 4 ] ) + ',' +
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epsilon( - elements[ 5 ] ) + ',' +
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epsilon( elements[ 6 ] ) + ',' +
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epsilon( elements[ 7 ] ) + ',' +
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epsilon( elements[ 8 ] ) + ',' +
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epsilon( - elements[ 9 ] ) + ',' +
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epsilon( elements[ 10 ] ) + ',' +
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epsilon( elements[ 11 ] ) + ',' +
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epsilon( elements[ 12 ] ) + ',' +
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epsilon( - elements[ 13 ] ) + ',' +
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epsilon( elements[ 14 ] ) + ',' +
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epsilon( elements[ 15 ] ) +
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')';
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};
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var getObjectCSSMatrix = function ( matrix ) {
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var elements = matrix.elements;
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return 'translate3d(-50%,-50%,0) matrix3d(' +
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epsilon( elements[ 0 ] ) + ',' +
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epsilon( elements[ 1 ] ) + ',' +
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epsilon( elements[ 2 ] ) + ',' +
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epsilon( elements[ 3 ] ) + ',' +
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epsilon( - elements[ 4 ] ) + ',' +
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epsilon( - elements[ 5 ] ) + ',' +
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epsilon( - elements[ 6 ] ) + ',' +
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epsilon( - elements[ 7 ] ) + ',' +
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epsilon( elements[ 8 ] ) + ',' +
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epsilon( elements[ 9 ] ) + ',' +
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epsilon( elements[ 10 ] ) + ',' +
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epsilon( elements[ 11 ] ) + ',' +
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epsilon( elements[ 12 ] ) + ',' +
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epsilon( elements[ 13 ] ) + ',' +
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epsilon( elements[ 14 ] ) + ',' +
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epsilon( elements[ 15 ] ) +
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')';
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};
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var renderObject = function ( object, camera, cameraElement, side ) {
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if ( object instanceof THREE.CSS3DObject ) {
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var style;
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if ( object instanceof THREE.CSS3DSprite ) {
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// http://swiftcoder.wordpress.com/2008/11/25/constructing-a-billboard-matrix/
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matrix.copy( camera.matrixWorldInverse );
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matrix.transpose();
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matrix.copyPosition( object.matrixWorld );
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matrix.scale( object.scale );
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matrix.elements[ 3 ] = 0;
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matrix.elements[ 7 ] = 0;
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matrix.elements[ 11 ] = 0;
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matrix.elements[ 15 ] = 1;
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style = getObjectCSSMatrix( matrix );
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} else {
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style = getObjectCSSMatrix( object.matrixWorld );
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}
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var element = object[ 'element' + side ];
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element.style.WebkitTransform = style;
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element.style.MozTransform = style;
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element.style.oTransform = style;
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element.style.transform = style;
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if ( element.parentNode !== cameraElement ) {
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cameraElement.appendChild( element );
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}
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}
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for ( var i = 0, l = object.children.length; i < l; i ++ ) {
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renderObject( object.children[ i ], camera, cameraElement, side );
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}
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};
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this.render = function ( scene, camera ) {
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scene.updateMatrixWorld();
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if ( camera.parent === undefined ) camera.updateMatrixWorld();
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camera.matrixWorld.decompose( _position, _quaternion, _scale );
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_target.set( 0, 0, - this.targetDistance );
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_target.applyQuaternion( _quaternion );
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_target.add( _position );
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var fov = 0.5 / Math.tan( THREE.Math.degToRad( camera.fov * 0.5 ) ) * _height;
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// Left
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_cameraL.fov = camera.fov;
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_cameraL.aspect = 0.5 * camera.aspect;
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_cameraL.updateProjectionMatrix();
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_cameraL.near = camera.near;
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_cameraL.far = camera.far;
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_cameraL.position.copy( _position );
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_cameraL.translateX( - this.separation );
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_cameraL.lookAt( _target );
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_cameraL.updateMatrixWorld();
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domElementL.style.WebkitPerspective = fov + "px";
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domElementL.style.MozPerspective = fov + "px";
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domElementL.style.oPerspective = fov + "px";
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domElementL.style.perspective = fov + "px";
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_cameraL.matrixWorldInverse.getInverse( _cameraL.matrixWorld );
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var style = "translate3d(0,0," + fov + "px)" + getCameraCSSMatrix( _cameraL.matrixWorldInverse ) +
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" translate3d(" + _widthHalf + "px," + _heightHalf + "px, 0)";
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cameraElementL.style.WebkitTransform = style;
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cameraElementL.style.MozTransform = style;
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cameraElementL.style.oTransform = style;
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cameraElementL.style.transform = style;
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renderObject( scene, _cameraL, cameraElementL, 'L' );
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// Right
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_cameraR.projectionMatrix = _cameraL.projectionMatrix;
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_cameraR.near = camera.near;
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_cameraR.far = camera.far;
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_cameraR.position.copy( _position );
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_cameraR.translateX( this.separation );
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_cameraR.lookAt( _target );
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_cameraR.updateMatrixWorld();
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domElementR.style.WebkitPerspective = fov + "px";
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domElementR.style.MozPerspective = fov + "px";
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domElementR.style.oPerspective = fov + "px";
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domElementR.style.perspective = fov + "px";
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_cameraR.matrixWorldInverse.getInverse( _cameraR.matrixWorld );
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var style = "translate3d(0,0," + fov + "px)" + getCameraCSSMatrix( _cameraR.matrixWorldInverse ) +
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" translate3d(" + _widthHalf + "px," + _heightHalf + "px, 0)";
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cameraElementR.style.WebkitTransform = style;
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cameraElementR.style.MozTransform = style;
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cameraElementR.style.oTransform = style;
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cameraElementR.style.transform = style;
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renderObject( scene, _cameraR, cameraElementR, 'R' );
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};
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};
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