159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// $Id: Torus.java 4131 2009-03-19 20:15:28Z blaine.dev $ 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.scene.shape; 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.InputCapsule; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeExporter; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.JmeImporter; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.export.OutputCapsule; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.FastMath; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.Vector3f; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.Mesh; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.VertexBuffer.Type; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.util.BufferUtils; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.io.IOException; 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.FloatBuffer; 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.nio.ShortBuffer; 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * An ordinary (single holed) torus. 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * <p> 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The center is by default the origin. 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Mark Powell 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @version $Revision: 4131 $, $Date: 2009-03-19 16:15:28 -0400 (Thu, 19 Mar 2009) $ 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapublic class Torus extends Mesh { 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private int circleSamples; 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private int radialSamples; 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private float innerRadius; 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private float outerRadius; 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Torus() { 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructs a new Torus. Center is the origin, but the Torus may be 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * transformed. 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param circleSamples 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The number of samples along the circles. 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param radialSamples 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The number of samples along the radial. 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param innerRadius 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The radius of the inner begining of the Torus. 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param outerRadius 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * The radius of the outter end of the Torus. 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public Torus(int circleSamples, int radialSamples, 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float innerRadius, float outerRadius) { 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super(); 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateGeometry(circleSamples, radialSamples, innerRadius, outerRadius); 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getCircleSamples() { 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return circleSamples; 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public float getInnerRadius() { 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return innerRadius; 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public float getOuterRadius() { 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return outerRadius; 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int getRadialSamples() { 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return radialSamples; 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void read(JmeImporter e) throws IOException { 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super.read(e); 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta InputCapsule capsule = e.getCapsule(this); 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta circleSamples = capsule.readInt("circleSamples", 0); 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta radialSamples = capsule.readInt("radialSamples", 0); 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta innerRadius = capsule.readFloat("innerRadius", 0); 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta outerRadius = capsule.readFloat("outerRaidus", 0); 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private void setGeometryData() { 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // allocate vertices 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int vertCount = (circleSamples + 1) * (radialSamples + 1); 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta FloatBuffer fpb = BufferUtils.createVector3Buffer(vertCount); 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Position, 3, fpb); 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // allocate normals if requested 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta FloatBuffer fnb = BufferUtils.createVector3Buffer(vertCount); 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Normal, 3, fnb); 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // allocate texture coordinates 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta FloatBuffer ftb = BufferUtils.createVector2Buffer(vertCount); 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.TexCoord, 2, ftb); 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // generate geometry 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float inverseCircleSamples = 1.0f / circleSamples; 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float inverseRadialSamples = 1.0f / radialSamples; 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int i = 0; 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // generate the cylinder itself 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Vector3f radialAxis = new Vector3f(), torusMiddle = new Vector3f(), tempNormal = new Vector3f(); 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int circleCount = 0; circleCount < circleSamples; circleCount++) { 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // compute center point on torus circle at specified angle 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float circleFraction = circleCount * inverseCircleSamples; 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float theta = FastMath.TWO_PI * circleFraction; 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float cosTheta = FastMath.cos(theta); 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float sinTheta = FastMath.sin(theta); 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta radialAxis.set(cosTheta, sinTheta, 0); 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta radialAxis.mult(outerRadius, torusMiddle); 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // compute slice vertices with duplication at end point 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int iSave = i; 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int radialCount = 0; radialCount < radialSamples; radialCount++) { 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float radialFraction = radialCount * inverseRadialSamples; 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // in [0,1) 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float phi = FastMath.TWO_PI * radialFraction; 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float cosPhi = FastMath.cos(phi); 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float sinPhi = FastMath.sin(phi); 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempNormal.set(radialAxis).multLocal(cosPhi); 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempNormal.z += sinPhi; 15459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fnb.put(tempNormal.x).put(tempNormal.y).put( 15559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempNormal.z); 15659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempNormal.multLocal(innerRadius).addLocal(torusMiddle); 15859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta fpb.put(tempNormal.x).put(tempNormal.y).put( 15959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta tempNormal.z); 16059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ftb.put(radialFraction).put(circleFraction); 16259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta i++; 16359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BufferUtils.copyInternalVector3(fpb, iSave, i); 16659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BufferUtils.copyInternalVector3(fnb, iSave, i); 16759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ftb.put(1.0f).put(circleFraction); 16959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta i++; 17159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 17259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // duplicate the cylinder ends to form a torus 17459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int iR = 0; iR <= radialSamples; iR++, i++) { 17559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BufferUtils.copyInternalVector3(fpb, iR, i); 17659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BufferUtils.copyInternalVector3(fnb, iR, i); 17759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta BufferUtils.copyInternalVector2(ftb, iR, i); 17859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ftb.put(i * 2 + 1, 1.0f); 17959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private void setIndexData() { 18359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // allocate connectivity 18459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int triCount = 2 * circleSamples * radialSamples; 18559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ShortBuffer sib = BufferUtils.createShortBuffer(3 * triCount); 18759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setBuffer(Type.Index, 3, sib); 18859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int i; 19059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta // generate connectivity 19159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int connectionStart = 0; 19259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int index = 0; 19359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int circleCount = 0; circleCount < circleSamples; circleCount++) { 19459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int i0 = connectionStart; 19559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int i1 = i0 + 1; 19659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta connectionStart += radialSamples + 1; 19759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int i2 = connectionStart; 19859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int i3 = i2 + 1; 19959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (i = 0; i < radialSamples; i++, index += 6) { 20059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// if (true) { 20159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put((short)i0++); 20259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put((short)i2); 20359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put((short)i1); 20459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put((short)i1++); 20559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put((short)i2++); 20659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta sib.put((short)i3++); 20759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 20859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i0++); 20959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i2); 21059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i1); 21159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i1++); 21259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i2++); 21359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i3++); 21459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// } else { 21559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i0++); 21659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i1); 21759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i2); 21859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i1++); 21959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i3++); 22059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// getIndexBuffer().put(i2++); 22159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta// } 22259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 22659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 22759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Rebuilds this torus based on a new set of parameters. 22859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 22959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param circleSamples the number of samples along the circles. 23059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param radialSamples the number of samples along the radial. 23159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param innerRadius the radius of the inner begining of the Torus. 23259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param outerRadius the radius of the outter end of the Torus. 23359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 23459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void updateGeometry(int circleSamples, int radialSamples, float innerRadius, float outerRadius) { 23559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.circleSamples = circleSamples; 23659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.radialSamples = radialSamples; 23759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.innerRadius = innerRadius; 23859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.outerRadius = outerRadius; 23959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setGeometryData(); 24059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta setIndexData(); 24159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateBound(); 24259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta updateCounts(); 24359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 24559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 24659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public void write(JmeExporter e) throws IOException { 24759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta super.write(e); 24859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta OutputCapsule capsule = e.getCapsule(this); 24959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta capsule.write(circleSamples, "circleSamples", 0); 25059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta capsule.write(radialSamples, "radialSamples", 0); 25159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta capsule.write(innerRadius, "innerRadius", 0); 25259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta capsule.write(outerRadius, "outerRadius", 0); 25359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 25459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 25559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta}