diff options
author | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
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committer | Harvey Harrison <[email protected]> | 2015-04-19 21:02:06 -0700 |
commit | 7a2e20caac9db6f789a7b3fab344b9758af45335 (patch) | |
tree | b5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/PickSegment.java | |
parent | f76ce302c4bb2a9f03bbee571ec5d05c29633023 (diff) |
j3dcore: flatten the directory structure a bit
Signed-off-by: Harvey Harrison <[email protected]>
Diffstat (limited to 'src/javax/media/j3d/PickSegment.java')
-rw-r--r-- | src/javax/media/j3d/PickSegment.java | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/javax/media/j3d/PickSegment.java b/src/javax/media/j3d/PickSegment.java new file mode 100644 index 0000000..2f86358 --- /dev/null +++ b/src/javax/media/j3d/PickSegment.java @@ -0,0 +1,125 @@ +/* + * Copyright 1997-2008 Sun Microsystems, Inc. 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. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + * + */ + +package javax.media.j3d; + +import javax.vecmath.Point3d; +import javax.vecmath.Point4d; + +/** + * PickSegment is a line segment pick shape. It can + * be used as an argument to the picking methods in BranchGroup and Locale. + * + * @see BranchGroup#pickAll + * @see Locale#pickAll + */ +public final class PickSegment extends PickShape { + + Point3d start; + Point3d end; + + /** + * Constructs an empty PickSegment. + * The start and end points of the line segment are + * initialized to (0,0,0). + */ + public PickSegment() { + this.start = new Point3d(); + this.end = new Point3d(); + } + + /** + * Constructs a line segment pick shape from the specified + * parameters. + * @param start the start point of the line segment. + * @param end the end point of the line segment. + */ + public PickSegment(Point3d start, Point3d end) { + this.start = new Point3d(start); + this.end = new Point3d(end); + } + + /** + * Sets the parameters of this PickSegment to the specified values. + * @param start the start point of the line segment. + * @param end the end point of the line segment. + */ + public void set(Point3d start, Point3d end) { + this.start.x = start.x; + this.start.y = start.y; + this.start.z = start.z; + this.end.x = end.x; + this.end.y = end.y; + this.end.z = end.z; + } + + /** + * Gets the parameters from this PickSegment. + * @param start the Point3d object into which the start + * point will be copied. + * @param end the Point3d object into which the end point + * will be copied. + */ + public void get(Point3d start, Point3d end) { + start.x = this.start.x; + start.y = this.start.y; + start.z = this.start.z; + end.x = this.end.x; + end.y = this.end.y; + end.z = this.end.z; + } + + /** + * Return true if shape intersect with bounds. + * The point of intersection is stored in pickPos. + */ + @Override + final boolean intersect(Bounds bounds, Point4d pickPos) { + return bounds.intersect(start, end, pickPos); + } + + + + // Only use within J3D. + // Return a new PickSegment that is the transformed (t3d) of this pickSegment. + @Override + PickShape transform(Transform3D t3d) { + PickSegment newPS = new PickSegment(start, end); + t3d.transform(newPS.start); + t3d.transform(newPS.end); + return newPS; + } + + @Override + Point3d getStartPoint() { + return start; + } + + @Override + int getPickType() { + return PICKSEGMENT; + } +} |