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authorHarvey Harrison <[email protected]>2015-04-19 21:02:06 -0700
committerHarvey Harrison <[email protected]>2015-04-19 21:02:06 -0700
commit7a2e20caac9db6f789a7b3fab344b9758af45335 (patch)
treeb5236ff2570178de356eab569225108948eb4d30 /src/javax/media/j3d/PickSegment.java
parentf76ce302c4bb2a9f03bbee571ec5d05c29633023 (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.java125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/javax/media/j3d/PickSegment.java b/src/javax/media/j3d/PickSegment.java
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+/*
+ * 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;
+ }
+}