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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/PickCone.java
parentf76ce302c4bb2a9f03bbee571ec5d05c29633023 (diff)
j3dcore: flatten the directory structure a bit
Signed-off-by: Harvey Harrison <[email protected]>
Diffstat (limited to 'src/javax/media/j3d/PickCone.java')
-rw-r--r--src/javax/media/j3d/PickCone.java108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/javax/media/j3d/PickCone.java b/src/javax/media/j3d/PickCone.java
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+/*
+ * 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;
+
+/**
+ * PickCone is the abstract base class of all cone pick shapes.
+ *
+ * @since Java 3D 1.2
+ */
+public abstract class PickCone extends PickShape {
+
+ Point3d origin;
+ Vector3d direction;
+ double spreadAngle;
+
+ /**
+ * Constructs an empty PickCone.
+ * The origin and direction of the cone are
+ * initialized to (0,0,0). The spread angle is initialized
+ * to <code>PI/64</code>.
+ */
+ public PickCone() {
+ this.origin = new Point3d();
+ this.direction = new Vector3d();
+ this.spreadAngle = Math.PI / 64.0;
+ }
+
+ /**
+ * Gets the origin of this PickCone.
+ * @param origin the Point3d object into which the origin will be copied.
+ */
+ public void getOrigin(Point3d origin) {
+ origin.set(this.origin);
+ }
+
+ /**
+ * Gets the direction of this PickCone.
+ * @param direction the Vector3d object into which the direction
+ * will be copied.
+ */
+ public void getDirection(Vector3d direction) {
+ direction.set(this.direction);
+ }
+
+
+ /**
+ * Gets the spread angle of this PickCone.
+ * @return the spread angle.
+ */
+ public double getSpreadAngle() {
+ return spreadAngle;
+ }
+
+ /**
+ * Gets the radius of this PickCone at the specified distance.
+ * @param distance the distance from the origin at which we want
+ * the radius of the cone
+ * @return the radius at the specified distance
+ */
+ double getRadius(double distance) {
+ return distance * Math.tan (spreadAngle);
+ }
+
+ /**
+ * Return true if shape intersect with bounds.
+ * The point of intersection is stored in pickPos.
+ */
+ @Override
+ abstract boolean intersect(Bounds bounds, Point4d pickPos);
+
+ @Override
+ Point3d getStartPoint() {
+ return origin;
+ }
+
+ @Override
+ int getPickType() {
+ return PICKCONE;
+ }
+}