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@@ -16,6 +16,11 @@ THREE.SelectionBox = ( function () {
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var vecDownRight = new THREE.Vector3();
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var vecDownLeft = new THREE.Vector3();
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+ var vecFarTopLeft = new THREE.Vector3();
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+ var vecFarTopRight = new THREE.Vector3();
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+ var vecFarDownRight = new THREE.Vector3();
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+ var vecFarDownLeft = new THREE.Vector3();
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+
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var vectemp1 = new THREE.Vector3();
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var vectemp2 = new THREE.Vector3();
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var vectemp3 = new THREE.Vector3();
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@@ -52,56 +57,103 @@ THREE.SelectionBox = ( function () {
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this.camera.updateProjectionMatrix();
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this.camera.updateMatrixWorld();
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- tmpPoint.copy( startPoint );
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- tmpPoint.x = Math.min( startPoint.x, endPoint.x );
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- tmpPoint.y = Math.max( startPoint.y, endPoint.y );
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- endPoint.x = Math.max( startPoint.x, endPoint.x );
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- endPoint.y = Math.min( startPoint.y, endPoint.y );
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-
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- vecNear.copy( this.camera.position );
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- vecTopLeft.copy( tmpPoint );
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- vecTopRight.set( endPoint.x, tmpPoint.y, 0 );
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- vecDownRight.copy( endPoint );
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- vecDownLeft.set( tmpPoint.x, endPoint.y, 0 );
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-
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- vecTopLeft.unproject( this.camera );
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- vecTopRight.unproject( this.camera );
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- vecDownRight.unproject( this.camera );
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- vecDownLeft.unproject( this.camera );
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-
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- vectemp1.copy( vecTopLeft ).sub( vecNear );
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- vectemp2.copy( vecTopRight ).sub( vecNear );
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- vectemp3.copy( vecDownRight ).sub( vecNear );
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- vectemp1.normalize();
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- vectemp2.normalize();
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- vectemp3.normalize();
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-
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- vectemp1.multiplyScalar( this.deep );
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- vectemp2.multiplyScalar( this.deep );
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- vectemp3.multiplyScalar( this.deep );
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- vectemp1.add( vecNear );
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- vectemp2.add( vecNear );
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- vectemp3.add( vecNear );
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-
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- var planes = frustum.planes;
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-
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- planes[ 0 ].setFromCoplanarPoints( vecNear, vecTopLeft, vecTopRight );
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- planes[ 1 ].setFromCoplanarPoints( vecNear, vecTopRight, vecDownRight );
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- planes[ 2 ].setFromCoplanarPoints( vecDownRight, vecDownLeft, vecNear );
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- planes[ 3 ].setFromCoplanarPoints( vecDownLeft, vecTopLeft, vecNear );
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- planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
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- planes[ 5 ].setFromCoplanarPoints( vectemp3, vectemp2, vectemp1 );
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- planes[ 5 ].normal.multiplyScalar( - 1 );
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+ if ( this.camera.isPerspectiveCamera ) {
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+
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+ tmpPoint.copy( startPoint );
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+ tmpPoint.x = Math.min( startPoint.x, endPoint.x );
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+ tmpPoint.y = Math.max( startPoint.y, endPoint.y );
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+ endPoint.x = Math.max( startPoint.x, endPoint.x );
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+ endPoint.y = Math.min( startPoint.y, endPoint.y );
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+
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+ vecNear.copy( this.camera.position );
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+ vecTopLeft.copy( tmpPoint );
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+ vecTopRight.set( endPoint.x, tmpPoint.y, 0 );
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+ vecDownRight.copy( endPoint );
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+ vecDownLeft.set( tmpPoint.x, endPoint.y, 0 );
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+
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+ vecTopLeft.unproject( this.camera );
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+ vecTopRight.unproject( this.camera );
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+ vecDownRight.unproject( this.camera );
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+ vecDownLeft.unproject( this.camera );
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+
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+ vectemp1.copy( vecTopLeft ).sub( vecNear );
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+ vectemp2.copy( vecTopRight ).sub( vecNear );
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+ vectemp3.copy( vecDownRight ).sub( vecNear );
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+ vectemp1.normalize();
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+ vectemp2.normalize();
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+ vectemp3.normalize();
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+
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+ vectemp1.multiplyScalar( this.deep );
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+ vectemp2.multiplyScalar( this.deep );
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+ vectemp3.multiplyScalar( this.deep );
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+ vectemp1.add( vecNear );
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+ vectemp2.add( vecNear );
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+ vectemp3.add( vecNear );
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+
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+ var planes = frustum.planes;
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+
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+ planes[ 0 ].setFromCoplanarPoints( vecNear, vecTopLeft, vecTopRight );
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+ planes[ 1 ].setFromCoplanarPoints( vecNear, vecTopRight, vecDownRight );
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+ planes[ 2 ].setFromCoplanarPoints( vecDownRight, vecDownLeft, vecNear );
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+ planes[ 3 ].setFromCoplanarPoints( vecDownLeft, vecTopLeft, vecNear );
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+ planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
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+ planes[ 5 ].setFromCoplanarPoints( vectemp3, vectemp2, vectemp1 );
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+ planes[ 5 ].normal.multiplyScalar( - 1 );
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+
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+ } else if ( this.camera.isOrthographicCamera ) {
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+
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+ if ( startPoint.equals( endPoint ) ) endPoint.addScalar( Number.EPSILON ); // avoid invalid frustum
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+
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+ var left = Math.min( startPoint.x, endPoint.x );
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+ var top = Math.max( startPoint.y, endPoint.y );
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+ var right = Math.max( startPoint.x, endPoint.x );
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+ var down = Math.min( startPoint.y, endPoint.y );
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+
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+ vecTopLeft.set( left, top, - 1 );
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+ vecTopRight.set( right, top, - 1 );
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+ vecDownRight.set( right, down, - 1 );
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+ vecDownLeft.set( left, down, - 1 );
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+
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+ vecFarTopLeft.set( left, top, 1 );
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+ vecFarTopRight.set( right, top, 1 );
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+ vecFarDownRight.set( right, down, 1 );
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+ vecFarDownLeft.set( left, down, 1 );
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+
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+ vecTopLeft.unproject( this.camera );
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+ vecTopRight.unproject( this.camera );
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+ vecDownRight.unproject( this.camera );
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+ vecDownLeft.unproject( this.camera );
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+
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+ vecFarTopLeft.unproject( this.camera );
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+ vecFarTopRight.unproject( this.camera );
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+ vecFarDownRight.unproject( this.camera );
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+ vecFarDownLeft.unproject( this.camera );
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+
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+ var planes = frustum.planes;
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+
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+ planes[ 0 ].setFromCoplanarPoints( vecTopLeft, vecFarTopLeft, vecFarTopRight );
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+ planes[ 1 ].setFromCoplanarPoints( vecTopRight, vecFarTopRight, vecFarDownRight );
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+ planes[ 2 ].setFromCoplanarPoints( vecFarDownRight, vecFarDownLeft, vecDownLeft );
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+ planes[ 3 ].setFromCoplanarPoints( vecFarDownLeft, vecFarTopLeft, vecTopLeft );
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+ planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
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+ planes[ 5 ].setFromCoplanarPoints( vecFarDownRight, vecFarTopRight, vecFarTopLeft );
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+ planes[ 5 ].normal.multiplyScalar( - 1 );
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+
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+ } else {
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+
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+ console.error( 'THREE.SelectionBox: Unsupported camera type.' );
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+
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+ }
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};
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SelectionBox.prototype.searchChildInFrustum = function ( frustum, object ) {
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- if ( object.isMesh ) {
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+ if ( object.isMesh || object.isLine || object.isPoints ) {
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if ( object.material !== undefined ) {
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- object.geometry.computeBoundingSphere();
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+ if ( object.geometry.boundingSphere === null ) object.geometry.computeBoundingSphere();
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center.copy( object.geometry.boundingSphere.center );
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Mugen87