j3dcore: flatten the directory structure a bit

Signed-off-by: Harvey Harrison <[email protected]>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/javax/media/j3d/PickCylinder.java b/src/javax/media/j3d/PickCylinder.java
new file mode 100644
index 0000000..ff590a1
--- /dev/null
+++ b/src/javax/media/j3d/PickCylinder.java
@@ -0,0 +1,117 @@
+/*
+ * Copyright 1999-2008 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;
+import javax.vecmath.Vector3d;
+import javax.vecmath.Vector4d;
+
+/**
+ * PickCylinder is the abstract base class of all cylindrical pick shapes.
+ *
+ * @since Java 3D 1.2
+ */
+public abstract class PickCylinder extends PickShape {
+
+    Point3d origin;
+    Vector3d direction;
+    double radius;
+
+    /**
+     * Constructs an empty PickCylinder.
+     * The origin of the cylinder is
+     * initialized to (0,0,0).  The radius is initialized
+     * to 0.
+     */
+    public PickCylinder() {
+	origin = new Point3d();
+	direction = new Vector3d();
+	radius = 0.0;
+    }
+
+    /**
+     * Gets the origin point of this cylinder object.
+     * @param origin the Point3d object into which the origin
+     * point will be copied
+     */
+    public void getOrigin(Point3d origin) {
+	origin.set(this.origin);
+    }
+
+    /**
+     * Gets the radius of this cylinder object
+     * @return the radius in radians
+     */
+    public double getRadius() {
+	return radius;
+    }
+
+    /**
+     * Gets the direction of this cylinder.
+     * @param direction the Vector3d object into which the direction
+     * will be copied
+     */
+    public void getDirection(Vector3d direction) {
+	direction.set(this.direction);
+    }
+
+    /**
+     * Return true if shape intersect with bounds.
+     * The point of intersection is stored in pickPos.
+     */
+    @Override
+    abstract boolean intersect(Bounds bounds, Point4d pickPos);
+
+    // This is a duplicate of the same method, declared private inside of
+    // BoundingPolytope
+    // XXXX: remove this once the original method is available (public) in
+    // BoundingPolytope
+    static boolean pointInPolytope(BoundingPolytope ptope,
+				   double x, double y, double z ){
+	Vector4d p;
+	int i = ptope.planes.length - 1;
+
+	while (i >= 0) {
+	    p = ptope.planes[i--];
+	    if (( x*p.x + y*p.y + z*p.z + p.w ) > Bounds.EPSILON) {
+		return false;
+	    }
+	}
+	return true;
+    }
+
+    @Override
+    Point3d getStartPoint() {
+	return origin;
+    }
+
+    @Override
+    int getPickType() {
+	return PICKCYLINDER;
+    }
+}