Un texte éclairé et animé
/*
* @(#)Text3DMotion.java 1.1 98/05/12 14:37:32
*
* Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import java.applet.Applet;
import java.awt.BorderLayout;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.Sphere;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.util.Enumeration;
import java.awt.*;
import java.lang.String;
public class Text3DMotion extends Applet {
// Flag indicates whether to use directional or point light
// This flag is set based on command line argument
private static boolean usePointLights = true;
public BranchGroup createSceneGraph(SimpleUniverse u) {
Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f);
Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f);
Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f);
Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f);
Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f);
Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
Transform3D t;
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a Transformgroup to scale all objects so they
// appear in the scene.
TransformGroup objScale = new TransformGroup();
Transform3D t3d = new Transform3D();
t3d.setScale(0.4);
objScale.setTransform(t3d);
objRoot.addChild(objScale);
// Create a bounds for the background and lights
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
// Set up the background
Background bg = new Background(bgColor);
bg.setApplicationBounds(bounds);
objScale.addChild(bg);
// Create a Sphere object, generate one copy of the sphere,
// and add it into the scene graph.
Material m = new Material(objColor, eColor, objColor, sColor, 100.0f);
Appearance a = new Appearance();
m.setLightingEnable(true);
a.setMaterial(m);
//Sphere sph = new Sphere(1.0f, Sphere.GENERATE_NORMALS, 80, a);
Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1),
new FontExtrusion());
Text3D txt = new Text3D(f3d, new String("TEXT3D"),
new Point3f(-2.0f, .0f, .0f));
Shape3D sph = new Shape3D();
sph.setGeometry(txt);
sph.setAppearance(a);
objScale.addChild(sph);
// Create the transform group node for the each light and initialize
// it to the identity. Enable the TRANSFORM_WRITE capability so that
// our behavior code can modify it at runtime. Add them to the root
// of the subgraph.
TransformGroup l1RotTrans = new TransformGroup();
l1RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objScale.addChild(l1RotTrans);
TransformGroup l2RotTrans = new TransformGroup();
l2RotTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objScale.addChild(l2RotTrans);
// Create transformations for the positional lights
t = new Transform3D();
Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0);
t.set(lPos1);
TransformGroup l1Trans = new TransformGroup(t);
l1RotTrans.addChild(l1Trans);
t = new Transform3D();
Vector3d lPos2 = new Vector3d(0.5, 0.8, 2.0);
t.set(lPos2);
TransformGroup l2Trans = new TransformGroup(t);
l2RotTrans.addChild(l2Trans);
// Create Geometry for point lights
ColoringAttributes caL1 = new ColoringAttributes();
ColoringAttributes caL2 = new ColoringAttributes();
caL1.setColor(lColor1);
caL2.setColor(lColor2);
Appearance appL1 = new Appearance();
Appearance appL2 = new Appearance();
appL1.setColoringAttributes(caL1);
appL2.setColoringAttributes(caL2);
l1Trans.addChild(new Sphere(0.05f, appL1));
l2Trans.addChild(new Sphere(0.05f, appL2));
// Create lights
AmbientLight aLgt = new AmbientLight(alColor);
Light lgt1;
Light lgt2;
if (usePointLights) {
Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f);
Point3f atten = new Point3f(1.0f, 0.0f, 0.0f);
lgt1 = new PointLight(lColor1, lPoint, atten);
lgt2 = new PointLight(lColor2, lPoint, atten);
}
else {
Vector3f lDirect1 = new Vector3f(lPos1);
Vector3f lDirect2 = new Vector3f(lPos2);
lDirect1.negate();
lDirect2.negate();
lgt1 = new DirectionalLight(lColor1, lDirect1);
lgt2 = new DirectionalLight(lColor2, lDirect2);
}
// Set the influencing bounds
aLgt.setInfluencingBounds(bounds);
lgt1.setInfluencingBounds(bounds);
lgt2.setInfluencingBounds(bounds);
// Add the lights into the scene graph
objScale.addChild(aLgt);
l1Trans.addChild(lgt1);
l2Trans.addChild(lgt2);
// Create a new Behavior object that will perform the desired
// operation on the specified transform object and add it into the
// scene graph.
Transform3D yAxis = new Transform3D();
Alpha rotor1Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
0, 0,
4000, 0, 0,
0, 0, 0);
RotationInterpolator rotator1 =
new RotationInterpolator(rotor1Alpha,
l1RotTrans,
yAxis,
0.0f, (float) Math.PI*2.0f);
rotator1.setSchedulingBounds(bounds);
l1RotTrans.addChild(rotator1);
// Create a new Behavior object that will perform the desired
// operation on the specified transform object and add it into the
// scene graph.
Alpha rotor2Alpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
0, 0,
1000, 0, 0,
0, 0, 0);
RotationInterpolator rotator2 =
new RotationInterpolator(rotor2Alpha,
l2RotTrans,
yAxis,
0.0f, 0.0f);
bounds = new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
rotator2.setSchedulingBounds(bounds);
l2RotTrans.addChild(rotator2);
// Create a position interpolator and attach it to the view
// platform
TransformGroup vpTrans =
u.getViewingPlatform().getViewPlatformTransform();
Transform3D axisOfTranslation = new Transform3D();
Alpha transAlpha = new Alpha(-1,
Alpha.INCREASING_ENABLE |
Alpha.DECREASING_ENABLE,
0, 0,
5000, 0, 0,
5000, 0, 0);
axisOfTranslation.rotY(-Math.PI/2.0);
PositionInterpolator translator =
new PositionInterpolator(transAlpha,
vpTrans,
axisOfTranslation,
2.0f, 3.5f);
translator.setSchedulingBounds(bounds);
objScale.addChild(translator);
// Let Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
public Text3DMotion() {
setLayout(new BorderLayout());
Canvas3D c = new Canvas3D(null);
add("Center", c);
SimpleUniverse u = new SimpleUniverse(c);
BranchGroup scene = createSceneGraph(u);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
}
//
// The following allows Text3DMotion to be run as an application
// as well as an applet
//
public static void main(String[] args) {
// Parse the Input Arguments
String usage = "Usage: java Text3DMotion [-point | -dir]";
for (int i = 0; i < args.length; i++) {
if (args[i].startsWith("-")) {
if (args[i].equals("-point")) {
System.out.println("Using point lights");
usePointLights = true;
}
else if (args[i].equals("-dir")) {
System.out.println("Using directional lights");
usePointLights = false;
}
else {
System.out.println(usage);
System.exit(0);
}
}
else {
System.out.println(usage);
System.exit(0);
}
}
new MainFrame(new Text3DMotion(), 700, 700);
}
}
/*
* @(#)ObjLoad.java 1.4 98/04/13 12:52:24
*
* Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import com.sun.j3d.loaders.objectfile.*;
import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import java.io.*;
import java.awt.*;
import com.sun.j3d.utils.behaviors.mouse.*;
public class Text3DLoad extends Applet {
private String fontName = "TestFont";
private String textString = null;
public BranchGroup createSceneGraph(String args[]) {
float sl = textString.length();
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a Transformgroup to scale all objects so they
// appear in the scene.
TransformGroup objScale = new TransformGroup();
Transform3D t3d = new Transform3D();
// Assuming uniform size chars, set scale to fit string in view
t3d.setScale(1.2/sl);
objScale.setTransform(t3d);
objRoot.addChild(objScale);
// Create the transform group node and initialize it to the
// identity. Enable the TRANSFORM_WRITE capability so that
// our behavior code can modify it at runtime. Add it to the
// root of the subgraph.
TransformGroup objTrans = new TransformGroup();
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
objScale.addChild(objTrans);
Font3D f3d = new Font3D(new Font(fontName, Font.PLAIN, 2),
new FontExtrusion());
Text3D txt = new Text3D(f3d, textString,
new Point3f( -sl/2.0f, -1.f, -1.f));
Shape3D sh = new Shape3D();
Appearance app = new Appearance();
Material mm = new Material();
mm.setLightingEnable(true);
app.setMaterial(mm);
sh.setGeometry(txt);
sh.setAppearance(app);
objTrans.addChild(sh);
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
if (false) {
Transform3D yAxis = new Transform3D();
Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,
0, 0,
4000, 0, 0,
0, 0, 0);
RotationInterpolator rotator =
new RotationInterpolator(rotationAlpha, objTrans, yAxis,
0.0f, (float) Math.PI*2.0f);
rotator.setSchedulingBounds(bounds);
objTrans.addChild(rotator);
} else {
// Create the rotate behavior node
MouseRotate behavior = new MouseRotate();
behavior.setTransformGroup(objTrans);
objTrans.addChild(behavior);
behavior.setSchedulingBounds(bounds);
// Create the zoom behavior node
MouseZoom behavior2 = new MouseZoom();
behavior2.setTransformGroup(objTrans);
objTrans.addChild(behavior2);
behavior2.setSchedulingBounds(bounds);
// Create the translate behavior node
MouseTranslate behavior3 = new MouseTranslate();
behavior3.setTransformGroup(objTrans);
objTrans.addChild(behavior3);
behavior3.setSchedulingBounds(bounds);
}
// Set up the background
Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
Background bgNode = new Background(bgColor);
bgNode.setApplicationBounds(bounds);
objRoot.addChild(bgNode);
// Set up the ambient light
Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
AmbientLight ambientLightNode = new AmbientLight(ambientColor);
ambientLightNode.setInfluencingBounds(bounds);
objRoot.addChild(ambientLightNode);
// Set up the directional lights
Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
Vector3f light1Direction = new Vector3f(4.0f, -7.0f, -12.0f);
Color3f light2Color = new Color3f(0.3f, 0.3f, 0.4f);
Vector3f light2Direction = new Vector3f(-6.0f, -2.0f, -1.0f);
DirectionalLight light1
= new DirectionalLight(light1Color, light1Direction);
light1.setInfluencingBounds(bounds);
objRoot.addChild(light1);
DirectionalLight light2
= new DirectionalLight(light2Color, light2Direction);
light2.setInfluencingBounds(bounds);
objRoot.addChild(light2);
return objRoot;
}
private void usage()
{
System.out.println(
"Usage: java Text3DLoad [-f fontname] <text>");
System.exit(0);
} // End of usage
public Text3DLoad(String args[]) {
if (args.length == 0) {
usage();
} else {
for (int i = 0 ; i < args.length ; i++) {
if (args[i].startsWith("-")) {
if (args[i].equals("-f")) {
if (i < args.length - 1) {
fontName = args[++i];
} else usage();
} else {
System.err.println("Argument '" + args[i] + "' ignored.");
}
} else {
textString = args[i];
}
}
}
if (textString == null) {
usage();
}
setLayout(new BorderLayout());
Canvas3D c = new Canvas3D(null);
add("Center", c);
// Create a simple scene and attach it to the virtual universe
BranchGroup scene = createSceneGraph(args);
SimpleUniverse u = new SimpleUniverse(c);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
}
//
// The following allows Text3DLoad to be run as an application
// as well as an applet
//
public static void main(String[] args) {
new MainFrame(new Text3DLoad(args), 700, 700);
}
}
/*
* @(#)MouseRotateY.java 1.1 98/07/17 16:00:54
*
* Copyright (c) 1996-1998 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import com.sun.j3d.utils.behaviors.mouse.*;
/**
* MouseRotateY is a Java3D behavior object that lets users control the
* rotation of an object via a mouse.
* <p>
* To use this utility, first create a transform group that this
* rotate behavior will operate on. Then,
*<blockquote><pre>
*
* MouseRotateY behavior = new MouseRotateY();
* behavior.setTransformGroup(objTrans);
* objTrans.addChild(behavior);
* behavior.setSchedulingBounds(bounds);
*
*</pre></blockquote>
* The above code will add the rotate behavior to the transform
* group. The user can rotate any object attached to the objTrans.
*/
public class MouseRotateY extends MouseBehavior {
double y_angle;
double y_factor;
/**
* Creates a rotate behavior given the transform group.
* @param transformGroup The transformGroup to operate on.
*/
public MouseRotateY(TransformGroup transformGroup) {
super(transformGroup);
}
/**
* Creates a default mouse rotate behavior.
**/
public MouseRotateY() {
super(0);
}
/**
* Creates a rotate behavior.
* Note that this behavior still needs a transform
* group to work on (use setTransformGroup(tg)) and
* the transform group must add this behavior.
* @param flags interesting flags (wakeup conditions).
*/
public MouseRotateY(int flags) {
super(flags);
}
public void initialize() {
super.initialize();
y_angle = 0;
y_factor = .03;
if ((flags & INVERT_INPUT) == INVERT_INPUT) {
invert = true;
y_factor *= -1;
}
}
public double getYFactor() {
return y_factor;
}
public void setFactor( double factor) {
y_factor = factor;
}
public void processStimulus (Enumeration criteria) {
WakeupCriterion wakeup;
AWTEvent[] event;
int id;
int dx;
while (criteria.hasMoreElements()) {
wakeup = (WakeupCriterion) criteria.nextElement();
if (wakeup instanceof WakeupOnAWTEvent) {
event = ((WakeupOnAWTEvent)wakeup).getAWTEvent();
for (int i=0; i<event.length; i++) {
processMouseEvent((MouseEvent) event[i]);
if (((buttonPress)&&((flags & MANUAL_WAKEUP) == 0)) ||
((wakeUp)&&((flags & MANUAL_WAKEUP) != 0))){
id = event[i].getID();
if ((id == MouseEvent.MOUSE_DRAGGED) &&
!((MouseEvent)event[i]).isMetaDown() &&
!((MouseEvent)event[i]).isAltDown()){
x = ((MouseEvent)event[i]).getX();
dx = x - x_last;
if (!reset){
y_angle = dx * y_factor;
transformY.rotY(y_angle);
transformGroup.getTransform(currXform);
//Vector3d translation = new Vector3d();
//Matrix3f rotation = new Matrix3f();
Matrix4d mat = new Matrix4d();
// Remember old matrix
currXform.get(mat);
// Translate to origin
currXform.setTranslation(new Vector3d(0.0,0.0,0.0));
if (invert) {
currXform.mul(currXform, transformX);
currXform.mul(currXform, transformY);
} else {
currXform.mul(transformX, currXform);
currXform.mul(transformY, currXform);
}
// Set old translation back
Vector3d translation = new
Vector3d(mat.m03, mat.m13, mat.m23);
currXform.setTranslation(translation);
// Update xform
transformGroup.setTransform(currXform);
}
else {
reset = false;
}
x_last = x;
}
else if (id == MouseEvent.MOUSE_PRESSED) {
x_last = ((MouseEvent)event[i]).getX();
}
}
}
}
}
wakeupOn (mouseCriterion);
}
}
Remarques, erreurs
nicolas.janey@univ-fcomte.fr
RETOUR