3DzzD Tutorial
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03/03 - Basic

how to control camera with mouse
Scene overview :
About :  
Root
DefaultLight
DefaultCamera
CUBE.3DS
Camera01
CUBE

This sample show how to rotate camera using the mouse.

change the mouse pointer...
this.getScene3DRender().getRender3D().setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));

once loading done, move camera to put object on field of view
r.getScene3D().getCurrentCamera3D().getPosition().setZ(-200);

define new attributes to store camera properties
double rotateX;
double rotateY;
double cameraZ;

get direct input interface to read from mouse
IDirectInput di=r.getRender3D().getDirectInput();

finally control rotation using mouse (with first button pressed)
if(!di.isMouseB1())
{
rotateX=r.getScene3D().getMesh3DByName("CUBE").getRotation().getX();
rotateY=r.getScene3D().getMesh3DByName("CUBE").getRotation().getY();
}
else
{
r.getScene3D().getMesh3DByName("CUBE").getRotation().setX(rotateX+((di.getMouseY()-di.getMouseDragY())*Math.PI/200));
r.getScene3D().getMesh3DByName("CUBE").getRotation().setY(rotateY+((di.getMouseX()-di.getMouseDragX())*Math.PI/200));
}

control Z translation using mouse move (with third button pressed)
if(!di.isMouseB3())
{
cameraZ=r.getScene3D().getCurrentCamera3D().getPosition().getZ();
}
else
{
double distY=di.getMouseY()-di.getMouseDragY();
r.getScene3D().getCurrentCamera3D().getPosition().setZ(cameraZ+distY);
}

Compilation :
Runtime :
to compile this sample, ensure that you have java SDK properly installed and use the following command line
javac -target 1.1 -d . -classpath LIB/dzzd.jar

for windows users click on the provided make file
make.bat

you can run the demo by opening the provided HTML index file on your browser
index.html

to add this demo in your own web site, copy/paste the following HTML source code.
     <APPLET code="Sample.class" 
               archive="LIB/dzzd.jar"
               width="676"
               height="380"
               MAYSCRIPT>
      </APPLET>

Links :
to download this sample source code:
Sample.java

to download the full tutorial package, including API and Javadoc :
API25112006.ZIP

for last news and last demos please visit 3DzzD web site :
http://dzzd.net/

to ask and talk with other users please visit the forum:
http://www.tdt3d.com/forum.php?action=vtopic&forum=25