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/*
* Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javafx.geometry;
import javafx.beans.NamedArg;
/**
* A rectangular bounding box which is used to describe the bounds of a node
* or other scene graph object.
* @since JavaFX 2.0
*/
public class BoundingBox extends Bounds {
/**
* Cache the hash code to make computing hashes faster.
*/
private int hash = 0;
/**
* Creates a new instance of 3D {@code BoundingBox}.
* @param minX the X coordinate of the upper-left corner
* @param minY the Y coordinate of the upper-left corner
* @param minZ the minimum z coordinate of the {@code BoundingBox}
* @param width the width of the {@code BoundingBox}
* @param height the height of the {@code BoundingBox}
* @param depth the depth of the {@code BoundingBox}
*/
public BoundingBox(@NamedArg("minX") double minX, @NamedArg("minY") double minY, @NamedArg("minZ") double minZ, @NamedArg("width") double width, @NamedArg("height") double height, @NamedArg("depth") double depth) {
super(minX, minY, minZ, width, height, depth);
}
/**
* Creates a new instance of 2D {@code BoundingBox}.
* @param minX the X coordinate of the upper-left corner
* @param minY the Y coordinate of the upper-left corner
* @param width the width of the {@code BoundingBox}
* @param height the height of the {@code BoundingBox}
*/
public BoundingBox(@NamedArg("minX") double minX, @NamedArg("minY") double minY, @NamedArg("width") double width, @NamedArg("height") double height) {
super(minX, minY, 0, width, height, 0);
}
/**
* {@inheritDoc}
*/
@Override
public boolean isEmpty() {
return getMaxX() < getMinX() || getMaxY() < getMinY() || getMaxZ() < getMinZ();
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(Point2D p) {
if (p == null) return false;
return contains(p.getX(), p.getY(), 0.0f);
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(Point3D p) {
if (p == null) return false;
return contains(p.getX(), p.getY(), p.getZ());
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(double x, double y) {
return contains(x, y, 0.0f);
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(double x, double y, double z) {
if (isEmpty()) return false;
return x >= getMinX() && x <= getMaxX() && y >= getMinY() && y <= getMaxY()
&& z >= getMinZ() && z <= getMaxZ();
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(Bounds b) {
if ((b == null) || b.isEmpty()) return false;
return contains(b.getMinX(), b.getMinY(), b.getMinZ(),
b.getWidth(), b.getHeight(), b.getDepth());
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(double x, double y, double w, double h) {
return contains(x, y) && contains(x + w, y + h);
}
/**
* {@inheritDoc}
* The points on the boundary are considered to lie inside the {@code BoundingBox}.
*/
@Override public boolean contains(double x, double y, double z,
double w, double h, double d) {
return contains(x, y, z) && contains(x + w, y + h, z + d);
}
/**
* {@inheritDoc}
*/
@Override public boolean intersects(Bounds b) {
if ((b == null) || b.isEmpty()) return false;
return intersects(b.getMinX(), b.getMinY(), b.getMinZ(),
b.getWidth(), b.getHeight(), b.getDepth());
}
/**
* {@inheritDoc}
*/
@Override public boolean intersects(double x, double y, double w, double h) {
return intersects(x, y, 0, w, h, 0);
}
/**
* {@inheritDoc}
*/
@Override public boolean intersects(double x, double y, double z,
double w, double h, double d) {
if (isEmpty() || w < 0 || h < 0 || d < 0) return false;
return (x + w >= getMinX() &&
y + h >= getMinY() &&
z + d >= getMinZ() &&
x <= getMaxX() &&
y <= getMaxY() &&
z <= getMaxZ());
}
/**
* Indicates whether some other object is "equal to" this one.
*
* @param obj the reference object with which to compare
* @return true if this object is the same as the obj argument; false otherwise
*/
@Override public boolean equals(Object obj) {
if (obj == this) return true;
if (obj instanceof BoundingBox) {
BoundingBox other = (BoundingBox) obj;
return getMinX() == other.getMinX()
&& getMinY() == other.getMinY()
&& getMinZ() == other.getMinZ()
&& getWidth() == other.getWidth()
&& getHeight() == other.getHeight()
&& getDepth() == other.getDepth();
} else return false;
}
/**
* Returns a hash code value for the object.
* @return a hash code value for the object.
*/
@Override public int hashCode() {
if (hash == 0) {
long bits = 7L;
bits = 31L * bits + Double.doubleToLongBits(getMinX());
bits = 31L * bits + Double.doubleToLongBits(getMinY());
bits = 31L * bits + Double.doubleToLongBits(getMinZ());
bits = 31L * bits + Double.doubleToLongBits(getWidth());
bits = 31L * bits + Double.doubleToLongBits(getHeight());
bits = 31L * bits + Double.doubleToLongBits(getDepth());
hash = (int) (bits ^ (bits >> 32));
}
return hash;
}
/**
* Returns a string representation of this {@code BoundingBox}.
* This method is intended to be used only for informational purposes.
* The content and format of the returned string might getMary between
* implementations.
* The returned string might be empty but cannot be {@code null}.
*/
@Override public String toString() {
return "BoundingBox ["
+ "minX:" + getMinX()
+ ", minY:" + getMinY()
+ ", minZ:" + getMinZ()
+ ", width:" + getWidth()
+ ", height:" + getHeight()
+ ", depth:" + getDepth()
+ ", maxX:" + getMaxX()
+ ", maxY:" + getMaxY()
+ ", maxZ:" + getMaxZ()
+ "]";
}
}
