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未验证 提交 e98f5783 编写于 作者: M Mr.doob 提交者： GitHub
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Merge pull request #18911 from Mugen87/dev47 

SelectionBox: Add support for OrthographicCamera.
上级 42c09065 80ff2d0f
隐藏空白更改
内联 并排
Showing with 188 addition and 84 deletion
examples/js/interactive/SelectionBox.js
浏览文件 @ e98f5783
......@@ -16,6 +16,11 @@ THREE.SelectionBox = ( function () {
var vecDownRight = new THREE.Vector3();
var vecDownLeft = new THREE.Vector3();
var vecFarTopLeft = new THREE.Vector3();
var vecFarTopRight = new THREE.Vector3();
var vecFarDownRight = new THREE.Vector3();
var vecFarDownLeft = new THREE.Vector3();
var vectemp1 = new THREE.Vector3();
var vectemp2 = new THREE.Vector3();
var vectemp3 = new THREE.Vector3();
......@@ -52,56 +57,103 @@ THREE.SelectionBox = ( function () {
this.camera.updateProjectionMatrix();
this.camera.updateMatrixWorld();
tmpPoint.copy( startPoint );
tmpPoint.x = Math.min( startPoint.x, endPoint.x );
tmpPoint.y = Math.max( startPoint.y, endPoint.y );
endPoint.x = Math.max( startPoint.x, endPoint.x );
endPoint.y = Math.min( startPoint.y, endPoint.y );
vecNear.copy( this.camera.position );
vecTopLeft.copy( tmpPoint );
vecTopRight.set( endPoint.x, tmpPoint.y, 0 );
vecDownRight.copy( endPoint );
vecDownLeft.set( tmpPoint.x, endPoint.y, 0 );
vecTopLeft.unproject( this.camera );
vecTopRight.unproject( this.camera );
vecDownRight.unproject( this.camera );
vecDownLeft.unproject( this.camera );
vectemp1.copy( vecTopLeft ).sub( vecNear );
vectemp2.copy( vecTopRight ).sub( vecNear );
vectemp3.copy( vecDownRight ).sub( vecNear );
vectemp1.normalize();
vectemp2.normalize();
vectemp3.normalize();
vectemp1.multiplyScalar( this.deep );
vectemp2.multiplyScalar( this.deep );
vectemp3.multiplyScalar( this.deep );
vectemp1.add( vecNear );
vectemp2.add( vecNear );
vectemp3.add( vecNear );
var planes = frustum.planes;
planes[ 0 ].setFromCoplanarPoints( vecNear, vecTopLeft, vecTopRight );
planes[ 1 ].setFromCoplanarPoints( vecNear, vecTopRight, vecDownRight );
planes[ 2 ].setFromCoplanarPoints( vecDownRight, vecDownLeft, vecNear );
planes[ 3 ].setFromCoplanarPoints( vecDownLeft, vecTopLeft, vecNear );
planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
planes[ 5 ].setFromCoplanarPoints( vectemp3, vectemp2, vectemp1 );
planes[ 5 ].normal.multiplyScalar( - 1 );
if ( this.camera.isPerspectiveCamera ) {
tmpPoint.copy( startPoint );
tmpPoint.x = Math.min( startPoint.x, endPoint.x );
tmpPoint.y = Math.max( startPoint.y, endPoint.y );
endPoint.x = Math.max( startPoint.x, endPoint.x );
endPoint.y = Math.min( startPoint.y, endPoint.y );
vecNear.copy( this.camera.position );
vecTopLeft.copy( tmpPoint );
vecTopRight.set( endPoint.x, tmpPoint.y, 0 );
vecDownRight.copy( endPoint );
vecDownLeft.set( tmpPoint.x, endPoint.y, 0 );
vecTopLeft.unproject( this.camera );
vecTopRight.unproject( this.camera );
vecDownRight.unproject( this.camera );
vecDownLeft.unproject( this.camera );
vectemp1.copy( vecTopLeft ).sub( vecNear );
vectemp2.copy( vecTopRight ).sub( vecNear );
vectemp3.copy( vecDownRight ).sub( vecNear );
vectemp1.normalize();
vectemp2.normalize();
vectemp3.normalize();
vectemp1.multiplyScalar( this.deep );
vectemp2.multiplyScalar( this.deep );
vectemp3.multiplyScalar( this.deep );
vectemp1.add( vecNear );
vectemp2.add( vecNear );
vectemp3.add( vecNear );
var planes = frustum.planes;
planes[ 0 ].setFromCoplanarPoints( vecNear, vecTopLeft, vecTopRight );
planes[ 1 ].setFromCoplanarPoints( vecNear, vecTopRight, vecDownRight );
planes[ 2 ].setFromCoplanarPoints( vecDownRight, vecDownLeft, vecNear );
planes[ 3 ].setFromCoplanarPoints( vecDownLeft, vecTopLeft, vecNear );
planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
planes[ 5 ].setFromCoplanarPoints( vectemp3, vectemp2, vectemp1 );
planes[ 5 ].normal.multiplyScalar( - 1 );
} else if ( this.camera.isOrthographicCamera ) {
if ( startPoint.equals( endPoint ) ) endPoint.addScalar( Number.EPSILON ); // avoid invalid frustum
var left = Math.min( startPoint.x, endPoint.x );
var top = Math.max( startPoint.y, endPoint.y );
var right = Math.max( startPoint.x, endPoint.x );
var down = Math.min( startPoint.y, endPoint.y );
vecTopLeft.set( left, top, - 1 );
vecTopRight.set( right, top, - 1 );
vecDownRight.set( right, down, - 1 );
vecDownLeft.set( left, down, - 1 );
vecFarTopLeft.set( left, top, 1 );
vecFarTopRight.set( right, top, 1 );
vecFarDownRight.set( right, down, 1 );
vecFarDownLeft.set( left, down, 1 );
vecTopLeft.unproject( this.camera );
vecTopRight.unproject( this.camera );
vecDownRight.unproject( this.camera );
vecDownLeft.unproject( this.camera );
vecFarTopLeft.unproject( this.camera );
vecFarTopRight.unproject( this.camera );
vecFarDownRight.unproject( this.camera );
vecFarDownLeft.unproject( this.camera );
var planes = frustum.planes;
planes[ 0 ].setFromCoplanarPoints( vecTopLeft, vecFarTopLeft, vecFarTopRight );
planes[ 1 ].setFromCoplanarPoints( vecTopRight, vecFarTopRight, vecFarDownRight );
planes[ 2 ].setFromCoplanarPoints( vecFarDownRight, vecFarDownLeft, vecDownLeft );
planes[ 3 ].setFromCoplanarPoints( vecFarDownLeft, vecFarTopLeft, vecTopLeft );
planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
planes[ 5 ].setFromCoplanarPoints( vecFarDownRight, vecFarTopRight, vecFarTopLeft );
planes[ 5 ].normal.multiplyScalar( - 1 );
} else {
console.error( 'THREE.SelectionBox: Unsupported camera type.' );
}
};
SelectionBox.prototype.searchChildInFrustum = function ( frustum, object ) {
if ( object.isMesh ) {
if ( object.isMesh || object.isLine || object.isPoints ) {
if ( object.material !== undefined ) {
object.geometry.computeBoundingSphere();
if ( object.geometry.boundingSphere === null ) object.geometry.computeBoundingSphere();
center.copy( object.geometry.boundingSphere.center );
......
examples/jsm/interactive/SelectionBox.js
浏览文件 @ e98f5783
......@@ -21,6 +21,11 @@ var SelectionBox = ( function () {
var vecDownRight = new Vector3();
var vecDownLeft = new Vector3();
var vecFarTopLeft = new Vector3();
var vecFarTopRight = new Vector3();
var vecFarDownRight = new Vector3();
var vecFarDownLeft = new Vector3();
var vectemp1 = new Vector3();
var vectemp2 = new Vector3();
var vectemp3 = new Vector3();
......@@ -57,56 +62,103 @@ var SelectionBox = ( function () {
this.camera.updateProjectionMatrix();
this.camera.updateMatrixWorld();
tmpPoint.copy( startPoint );
tmpPoint.x = Math.min( startPoint.x, endPoint.x );
tmpPoint.y = Math.max( startPoint.y, endPoint.y );
endPoint.x = Math.max( startPoint.x, endPoint.x );
endPoint.y = Math.min( startPoint.y, endPoint.y );
vecNear.copy( this.camera.position );
vecTopLeft.copy( tmpPoint );
vecTopRight.set( endPoint.x, tmpPoint.y, 0 );
vecDownRight.copy( endPoint );
vecDownLeft.set( tmpPoint.x, endPoint.y, 0 );
vecTopLeft.unproject( this.camera );
vecTopRight.unproject( this.camera );
vecDownRight.unproject( this.camera );
vecDownLeft.unproject( this.camera );
vectemp1.copy( vecTopLeft ).sub( vecNear );
vectemp2.copy( vecTopRight ).sub( vecNear );
vectemp3.copy( vecDownRight ).sub( vecNear );
vectemp1.normalize();
vectemp2.normalize();
vectemp3.normalize();
vectemp1.multiplyScalar( this.deep );
vectemp2.multiplyScalar( this.deep );
vectemp3.multiplyScalar( this.deep );
vectemp1.add( vecNear );
vectemp2.add( vecNear );
vectemp3.add( vecNear );
var planes = frustum.planes;
planes[ 0 ].setFromCoplanarPoints( vecNear, vecTopLeft, vecTopRight );
planes[ 1 ].setFromCoplanarPoints( vecNear, vecTopRight, vecDownRight );
planes[ 2 ].setFromCoplanarPoints( vecDownRight, vecDownLeft, vecNear );
planes[ 3 ].setFromCoplanarPoints( vecDownLeft, vecTopLeft, vecNear );
planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
planes[ 5 ].setFromCoplanarPoints( vectemp3, vectemp2, vectemp1 );
planes[ 5 ].normal.multiplyScalar( - 1 );
if ( this.camera.isPerspectiveCamera ) {
tmpPoint.copy( startPoint );
tmpPoint.x = Math.min( startPoint.x, endPoint.x );
tmpPoint.y = Math.max( startPoint.y, endPoint.y );
endPoint.x = Math.max( startPoint.x, endPoint.x );
endPoint.y = Math.min( startPoint.y, endPoint.y );
vecNear.copy( this.camera.position );
vecTopLeft.copy( tmpPoint );
vecTopRight.set( endPoint.x, tmpPoint.y, 0 );
vecDownRight.copy( endPoint );
vecDownLeft.set( tmpPoint.x, endPoint.y, 0 );
vecTopLeft.unproject( this.camera );
vecTopRight.unproject( this.camera );
vecDownRight.unproject( this.camera );
vecDownLeft.unproject( this.camera );
vectemp1.copy( vecTopLeft ).sub( vecNear );
vectemp2.copy( vecTopRight ).sub( vecNear );
vectemp3.copy( vecDownRight ).sub( vecNear );
vectemp1.normalize();
vectemp2.normalize();
vectemp3.normalize();
vectemp1.multiplyScalar( this.deep );
vectemp2.multiplyScalar( this.deep );
vectemp3.multiplyScalar( this.deep );
vectemp1.add( vecNear );
vectemp2.add( vecNear );
vectemp3.add( vecNear );
var planes = frustum.planes;
planes[ 0 ].setFromCoplanarPoints( vecNear, vecTopLeft, vecTopRight );
planes[ 1 ].setFromCoplanarPoints( vecNear, vecTopRight, vecDownRight );
planes[ 2 ].setFromCoplanarPoints( vecDownRight, vecDownLeft, vecNear );
planes[ 3 ].setFromCoplanarPoints( vecDownLeft, vecTopLeft, vecNear );
planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
planes[ 5 ].setFromCoplanarPoints( vectemp3, vectemp2, vectemp1 );
planes[ 5 ].normal.multiplyScalar( - 1 );
} else if ( this.camera.isOrthographicCamera ) {
if ( startPoint.equals( endPoint ) ) endPoint.addScalar( Number.EPSILON ); // avoid invalid frustum
var left = Math.min( startPoint.x, endPoint.x );
var top = Math.max( startPoint.y, endPoint.y );
var right = Math.max( startPoint.x, endPoint.x );
var down = Math.min( startPoint.y, endPoint.y );
vecTopLeft.set( left, top, - 1 );
vecTopRight.set( right, top, - 1 );
vecDownRight.set( right, down, - 1 );
vecDownLeft.set( left, down, - 1 );
vecFarTopLeft.set( left, top, 1 );
vecFarTopRight.set( right, top, 1 );
vecFarDownRight.set( right, down, 1 );
vecFarDownLeft.set( left, down, 1 );
vecTopLeft.unproject( this.camera );
vecTopRight.unproject( this.camera );
vecDownRight.unproject( this.camera );
vecDownLeft.unproject( this.camera );
vecFarTopLeft.unproject( this.camera );
vecFarTopRight.unproject( this.camera );
vecFarDownRight.unproject( this.camera );
vecFarDownLeft.unproject( this.camera );
var planes = frustum.planes;
planes[ 0 ].setFromCoplanarPoints( vecTopLeft, vecFarTopLeft, vecFarTopRight );
planes[ 1 ].setFromCoplanarPoints( vecTopRight, vecFarTopRight, vecFarDownRight );
planes[ 2 ].setFromCoplanarPoints( vecFarDownRight, vecFarDownLeft, vecDownLeft );
planes[ 3 ].setFromCoplanarPoints( vecFarDownLeft, vecFarTopLeft, vecTopLeft );
planes[ 4 ].setFromCoplanarPoints( vecTopRight, vecDownRight, vecDownLeft );
planes[ 5 ].setFromCoplanarPoints( vecFarDownRight, vecFarTopRight, vecFarTopLeft );
planes[ 5 ].normal.multiplyScalar( - 1 );
} else {
console.error( 'THREE.SelectionBox: Unsupported camera type.' );
}
};
SelectionBox.prototype.searchChildInFrustum = function ( frustum, object ) {
if ( object.isMesh ) {
if ( object.isMesh || object.isLine || object.isPoints ) {
if ( object.material !== undefined ) {
object.geometry.computeBoundingSphere();
if ( object.geometry.boundingSphere === null ) object.geometry.computeBoundingSphere();
center.copy( object.geometry.boundingSphere.center );
......
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