コメント |
@DIV
THREE.Object3D = function () {
this.id = THREE.Object3DIdCount ++;
this.name = '';
this.parent = undefined;
this.children = [];
this.up = new THREE.Vector3( 0, 1, 0 );
this.position = new THREE.Vector3();
this.rotation = new THREE.Vector3();
this.eulerOrder = THREE.Object3D.defaultEulerOrder;
this.scale = new THREE.Vector3( 1, 1, 1 );
this.renderDepth = null;
this.rotationAutoUpdate = true;
this.matrix = new THREE.Matrix4();
this.matrixWorld = new THREE.Matrix4();
this.matrixRotationWorld = new THREE.Matrix4();
this.matrixAutoUpdate = true;
this.matrixWorldNeedsUpdate = true;
this.quaternion = new THREE.Quaternion();
this.useQuaternion = false;
this.visible = true;
this.castShadow = false;
this.receiveShadow = false;
this.frustumCulled = true;
this.userData = {};
};
THREE.Object3D.prototype = {
constructor: THREE.Object3D,
applyMatrix: function () {
var m1 = new THREE.Matrix4();
return function ( matrix ) {
this.matrix.multiplyMatrices( matrix, this.matrix );
this.position.getPositionFromMatrix( this.matrix );
this.scale.getScaleFromMatrix( this.matrix );
m1.extractRotation( this.matrix );
if ( this.useQuaternion === true ) {
this.quaternion.setFromRotationMatrix( m1 );
} else {
this.rotation.setEulerFromRotationMatrix( m1, this.eulerOrder );
}
}
}(),
translate: function () {
var v1 = new THREE.Vector3();
return function ( distance, axis ) {
// axis is assumed to be normalized
v1.copy( axis );
if ( this.useQuaternion === true ) {
v1.applyQuaternion( this.quaternion );
} else {
v1.applyEuler( this.rotation, this.eulerOrder );
}
v1.multiplyScalar( distance );
this.position.add( v1 );
return this;
};
}(),
translateX: function () {
var v1 = new THREE.Vector3( 1, 0, 0 );
return function ( distance ) {
return this.translate( distance, v1 );
};
}(),
translateY: function () {
var v1 = new THREE.Vector3( 0, 1, 0 );
return function ( distance ) {
return this.translate( distance, v1 );
};
}(),
translateZ: function () {
var v1 = new THREE.Vector3( 0, 0, 1 );
return function ( distance ) {
return this.translate( distance, v1 );
};
}(),
localToWorld: function ( vector ) {
return vector.applyMatrix4( this.matrixWorld );
},
worldToLocal: function () {
var m1 = new THREE.Matrix4();
return function ( vector ) {
return vector.applyMatrix4( m1.getInverse( this.matrixWorld ) );
};
}(),
lookAt: function () {
// This routine does not support objects with rotated and/or translated parent(s)
var m1 = new THREE.Matrix4();
return function ( vector ) {
m1.lookAt( vector, this.position, this.up );
if ( this.useQuaternion === true ) {
this.quaternion.setFromRotationMatrix( m1 );
} else {
this.rotation.setEulerFromRotationMatrix( m1, this.eulerOrder );
}
};
}(),
add: function ( object ) {
if ( object === this ) {
console.warn( 'THREE.Object3D.add: An object can\'t be added as a child of itself.' );
return;
}
if ( object instanceof THREE.Object3D ) {
if ( object.parent !== undefined ) {
object.parent.remove( object );
}
object.parent = this;
this.children.push( object );
// add to scene
var scene = this;
while ( scene.parent !== undefined ) {
scene = scene.parent;
}
if ( scene !== undefined && scene instanceof THREE.Scene ) {
scene.__addObject( object );
}
}
},
remove: function ( object ) {
var index = this.children.indexOf( object );
if ( index !== - 1 ) {
object.parent = undefined;
this.children.splice( index, 1 );
// remove from scene
var scene = this;
while ( scene.parent !== undefined ) {
scene = scene.parent;
}
if ( scene !== undefined && scene instanceof THREE.Scene ) {
scene.__removeObject( object );
}
}
},
traverse: function ( callback ) {
callback( this );
for ( var i = 0, l = this.children.length; i < l; i ++ ) {
this.children[ i ].traverse( callback );
}
},
getChildByName: function ( name, recursive ) {
for ( var i = 0, l = this.children.length; i < l; i ++ ) {
var child = this.children[ i ];
if ( child.name === name ) {
return child;
}
if ( recursive === true ) {
child = child.getChildByName( name, recursive );
if ( child !== undefined ) {
return child;
}
}
}
return undefined;
},
getDescendants: function ( array ) {
if ( array === undefined ) array = [];
Array.prototype.push.apply( array, this.children );
for ( var i = 0, l = this.children.length; i < l; i ++ ) {
this.children[ i ].getDescendants( array );
}
return array;
},
updateMatrix: function () {
this.matrix.setPosition( this.position );
if ( this.useQuaternion === false ) {
this.matrix.setRotationFromEuler( this.rotation, this.eulerOrder );
} else {
this.matrix.setRotationFromQuaternion( this.quaternion );
}
if ( this.scale.x !== 1 || this.scale.y !== 1 || this.scale.z !== 1 ) {
this.matrix.scale( this.scale );
}
this.matrixWorldNeedsUpdate = true;
},
updateMatrixWorld: function ( force ) {
if ( this.matrixAutoUpdate === true ) this.updateMatrix();
if ( this.matrixWorldNeedsUpdate === true || force === true ) {
if ( this.parent === undefined ) {
this.matrixWorld.copy( this.matrix );
} else {
this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );
}
this.matrixWorldNeedsUpdate = false;
force = true;
}
// update children
for ( var i = 0, l = this.children.length; i < l; i ++ ) {
this.children[ i ].updateMatrixWorld( force );
}
},
clone: function ( object ) {
if ( object === undefined ) object = new THREE.Object3D();
object.name = this.name;
object.up.copy( this.up );
object.position.copy( this.position );
if ( object.rotation instanceof THREE.Vector3 ) object.rotation.copy( this.rotation ); // because of Sprite madness
object.eulerOrder = this.eulerOrder;
object.scale.copy( this.scale );
object.renderDepth = this.renderDepth;
object.rotationAutoUpdate = this.rotationAutoUpdate;
object.matrix.copy( this.matrix );
object.matrixWorld.copy( this.matrixWorld );
object.matrixRotationWorld.copy( this.matrixRotationWorld );
object.matrixAutoUpdate = this.matrixAutoUpdate;
object.matrixWorldNeedsUpdate = this.matrixWorldNeedsUpdate;
object.quaternion.copy( this.quaternion );
object.useQuaternion = this.useQuaternion;
object.visible = this.visible;
object.castShadow = this.castShadow;
object.receiveShadow = this.receiveShadow;
object.frustumCulled = this.frustumCulled;
for ( var i = 0; i < this.children.length; i ++ ) {
var child = this.children[ i ];
object.add( child.clone() );
}
return object;
}
};
THREE.Object3D.defaultEulerOrder = 'XYZ',
THREE.Object3DIdCount = 0;
@END |