Gets Harvey's changes

1 files changed, 85 insertions, 0 deletions

diff --git a/src/javax/media/j3d/PickShape.java b/src/javax/media/j3d/PickShape.java
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+++ b/src/javax/media/j3d/PickShape.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;
+
+/**
+ * An abstract class for describing a pick shape that can be used with
+ * the BranchGroup and Locale picking methods.
+ *
+ * @see BranchGroup#pickAll
+ * @see Locale#pickAll
+ */
+public abstract class PickShape {
+
+   // Use for picking
+    static final int PICKRAY              = 1;
+    static final int PICKSEGMENT          = 2;
+    static final int PICKPOINT            = 3;
+    static final int PICKCYLINDER         = 4;
+    static final int PICKCONE             = 5;
+    static final int PICKBOUNDINGBOX      = 6;
+    static final int PICKBOUNDINGSPHERE   = 7;
+    static final int PICKBOUNDINGPOLYTOPE = 8;
+    static final int PICKUNKNOWN          = 9;
+
+    /**
+     * Constructs a PickShape object.
+     */
+    public PickShape() {
+    }
+
+    /**
+     * Return true if shape intersect with bounds.
+     * The point of intersection is stored in pickPos.
+     */
+    abstract boolean intersect(Bounds bounds, Point4d pickPos);
+
+    // Only use within J3D.
+    // Return a new PickShape that is the transformed (t3d) of this pickShape.
+    abstract PickShape transform(Transform3D t3d);
+
+    // Get the start point use to compute the distance
+    // with intersect point for this shape.
+    abstract Point3d getStartPoint();
+
+    // Return the distance between the original of this
+    // pickShape and iPnt
+    double distance(Point3d iPnt) {
+	Point3d p = getStartPoint();
+	double x = iPnt.x - p.x;
+	double y = iPnt.y - p.y;
+	double z = iPnt.z - p.z;
+	return Math.sqrt(x*x + y*y + z*z);
+    }
+
+    // Return one of PickShape type constant define above
+    abstract int getPickType();
+
+}
+