| /* |
| * Copyright (c) 2009-2010 jMonkeyEngine |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * * Neither the name of 'jMonkeyEngine' nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| // $Id: Box.java 4131 2009-03-19 20:15:28Z blaine.dev $ |
| package com.jme3.scene.shape; |
| |
| import com.jme3.math.Vector3f; |
| import com.jme3.scene.VertexBuffer.Type; |
| import com.jme3.util.BufferUtils; |
| import java.nio.FloatBuffer; |
| |
| /** |
| * A box with solid (filled) faces. |
| * |
| * @author Mark Powell |
| * @version $Revision: 4131 $, $Date: 2009-03-19 16:15:28 -0400 (Thu, 19 Mar 2009) $ |
| */ |
| public class Box extends AbstractBox { |
| |
| private static final short[] GEOMETRY_INDICES_DATA = { |
| 2, 1, 0, 3, 2, 0, // back |
| 6, 5, 4, 7, 6, 4, // right |
| 10, 9, 8, 11, 10, 8, // front |
| 14, 13, 12, 15, 14, 12, // left |
| 18, 17, 16, 19, 18, 16, // top |
| 22, 21, 20, 23, 22, 20 // bottom |
| }; |
| |
| private static final float[] GEOMETRY_NORMALS_DATA = { |
| 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, // back |
| 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, // right |
| 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, // front |
| -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, // left |
| 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, // top |
| 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0 // bottom |
| }; |
| |
| private static final float[] GEOMETRY_TEXTURE_DATA = { |
| 1, 0, 0, 0, 0, 1, 1, 1, // back |
| 1, 0, 0, 0, 0, 1, 1, 1, // right |
| 1, 0, 0, 0, 0, 1, 1, 1, // front |
| 1, 0, 0, 0, 0, 1, 1, 1, // left |
| 1, 0, 0, 0, 0, 1, 1, 1, // top |
| 1, 0, 0, 0, 0, 1, 1, 1 // bottom |
| }; |
| |
| /** |
| * Creates a new box. |
| * <p> |
| * The box has a center of 0,0,0 and extends in the out from the center by |
| * the given amount in <em>each</em> direction. So, for example, a box |
| * with extent of 0.5 would be the unit cube. |
| * |
| * @param x the size of the box along the x axis, in both directions. |
| * @param y the size of the box along the y axis, in both directions. |
| * @param z the size of the box along the z axis, in both directions. |
| */ |
| public Box(float x, float y, float z) { |
| super(); |
| updateGeometry(Vector3f.ZERO, x, y, z); |
| } |
| |
| /** |
| * Creates a new box. |
| * <p> |
| * The box has the given center and extends in the out from the center by |
| * the given amount in <em>each</em> direction. So, for example, a box |
| * with extent of 0.5 would be the unit cube. |
| * |
| * @param center the center of the box. |
| * @param x the size of the box along the x axis, in both directions. |
| * @param y the size of the box along the y axis, in both directions. |
| * @param z the size of the box along the z axis, in both directions. |
| */ |
| public Box(Vector3f center, float x, float y, float z) { |
| super(); |
| updateGeometry(center, x, y, z); |
| } |
| |
| /** |
| * Constructor instantiates a new <code>Box</code> object. |
| * <p> |
| * The minimum and maximum point are provided, these two points define the |
| * shape and size of the box but not it's orientation or position. You should |
| * use the {@link #setLocalTranslation()} and {@link #setLocalRotation()} |
| * methods to define those properties. |
| * |
| * @param min the minimum point that defines the box. |
| * @param max the maximum point that defines the box. |
| */ |
| public Box(Vector3f min, Vector3f max) { |
| super(); |
| updateGeometry(min, max); |
| } |
| |
| /** |
| * Empty constructor for serialization only. Do not use. |
| */ |
| public Box(){ |
| super(); |
| } |
| |
| /** |
| * Creates a clone of this box. |
| * <p> |
| * The cloned box will have '_clone' appended to it's name, but all other |
| * properties will be the same as this box. |
| */ |
| @Override |
| public Box clone() { |
| return new Box(center.clone(), xExtent, yExtent, zExtent); |
| } |
| |
| protected void duUpdateGeometryIndices() { |
| if (getBuffer(Type.Index) == null){ |
| setBuffer(Type.Index, 3, BufferUtils.createShortBuffer(GEOMETRY_INDICES_DATA)); |
| } |
| } |
| |
| protected void duUpdateGeometryNormals() { |
| if (getBuffer(Type.Normal) == null){ |
| setBuffer(Type.Normal, 3, BufferUtils.createFloatBuffer(GEOMETRY_NORMALS_DATA)); |
| } |
| } |
| |
| protected void duUpdateGeometryTextures() { |
| if (getBuffer(Type.TexCoord) == null){ |
| setBuffer(Type.TexCoord, 2, BufferUtils.createFloatBuffer(GEOMETRY_TEXTURE_DATA)); |
| } |
| } |
| |
| protected void duUpdateGeometryVertices() { |
| FloatBuffer fpb = BufferUtils.createVector3Buffer(24); |
| Vector3f[] v = computeVertices(); |
| fpb.put(new float[] { |
| v[0].x, v[0].y, v[0].z, v[1].x, v[1].y, v[1].z, v[2].x, v[2].y, v[2].z, v[3].x, v[3].y, v[3].z, // back |
| v[1].x, v[1].y, v[1].z, v[4].x, v[4].y, v[4].z, v[6].x, v[6].y, v[6].z, v[2].x, v[2].y, v[2].z, // right |
| v[4].x, v[4].y, v[4].z, v[5].x, v[5].y, v[5].z, v[7].x, v[7].y, v[7].z, v[6].x, v[6].y, v[6].z, // front |
| v[5].x, v[5].y, v[5].z, v[0].x, v[0].y, v[0].z, v[3].x, v[3].y, v[3].z, v[7].x, v[7].y, v[7].z, // left |
| v[2].x, v[2].y, v[2].z, v[6].x, v[6].y, v[6].z, v[7].x, v[7].y, v[7].z, v[3].x, v[3].y, v[3].z, // top |
| v[0].x, v[0].y, v[0].z, v[5].x, v[5].y, v[5].z, v[4].x, v[4].y, v[4].z, v[1].x, v[1].y, v[1].z // bottom |
| }); |
| setBuffer(Type.Position, 3, fpb); |
| updateBound(); |
| } |
| |
| } |