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jPCT-AE - a 3d engine for Android => Support => Topic started by: sunghoney on January 23, 2013, 06:52:38 am
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obj files created on a Blender.
(http://i.imgur.com/rUjWQKP.jpg)
checked in android ...
(http://i.imgur.com/0nnbGQt.jpg)
The problem occurs when we rotate.
(http://i.imgur.com/ivY2M2U.jpg)
public class TestActivity extends Activity {
// Used to handle pause and resume...
private static TestActivity master = null;
private GLSurfaceView mGLView;
private MyRenderer renderer = null;
private FrameBuffer fb = null;
private World world = null;
private RGBColor back = new RGBColor(255, 255, 255);
private float touchTurn = 0;
private float touchTurnUp = 0;
private float xpos = -1;
private float ypos = -1;
private Object3D object = null;
private int fps = 0;
private Light sun = null;
protected void onCreate(Bundle savedInstanceState) {
Logger.log("onCreate");
if( master != null ) {
copy(master);
}
super.onCreate(savedInstanceState);
mGLView = new GLSurfaceView(getApplication());
mGLView.setEGLConfigChooser(new GLSurfaceView.EGLConfigChooser() {
public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {
// Ensure that we get a 16bit framebuffer. Otherwise, we'll fall
// back to Pixelflinger on some device (read: Samsung I7500)
int[] attributes = new int[] { EGL10.EGL_DEPTH_SIZE, 16, EGL10.EGL_NONE };
EGLConfig[] configs = new EGLConfig[1];
int[] result = new int[1];
egl.eglChooseConfig(display, attributes, configs, 1, result);
return configs[0];
}
});
renderer = new MyRenderer();
mGLView.setRenderer(renderer);
setContentView(mGLView);
}
@Override
protected void onPause() {
super.onPause();
mGLView.onPause();
}
@Override
protected void onResume() {
super.onResume();
mGLView.onResume();
}
@Override
protected void onStop() {
super.onStop();
}
private void copy(Object src) {
try {
Logger.log("Copying data from master Activity!");
Field[] fs = src.getClass().getDeclaredFields();
for( Field f : fs ) {
f.setAccessible(true);
f.set(this, f.get(src));
}
} catch ( Exception e ) {
throw new RuntimeException(e);
}
}
public boolean onTouchEvent(MotionEvent me) {
if( me.getAction() == MotionEvent.ACTION_DOWN ) {
xpos = me.getX();
ypos = me.getY();
return true;
}
if( me.getAction() == MotionEvent.ACTION_UP ) {
xpos = -1;
ypos = -1;
touchTurn = 0;
touchTurnUp = 0;
return true;
}
if( me.getAction() == MotionEvent.ACTION_MOVE ) {
float xd = me.getX() - xpos;
float yd = me.getY() - ypos;
xpos = me.getX();
ypos = me.getY();
touchTurn = xd / -100f;
touchTurnUp = yd / -100f;
return true;
}
try {
Thread.sleep(15);
} catch ( Exception e ) {
// No need for this...
}
return super.onTouchEvent(me);
}
protected boolean isFullscreenOpaque() {
return true;
}
class MyRenderer implements GLSurfaceView.Renderer {
private long time = System.currentTimeMillis();
public MyRenderer() {
}
public void onSurfaceChanged(GL10 gl, int w, int h) {
if( fb != null ) {
fb.dispose();
}
fb = new FrameBuffer(gl, w, h);
if( master == null ) {
world = new World();
world.setAmbientLight(100, 100, 100);
sun = new Light(world);
sun.setIntensity(255, 255, 255);
try {
TextureManager.getInstance().addTexture("test.png", new Texture(getAssets().open("maps/test.png"), true));
} catch ( IOException e ) {
}
object = loadModel("untitled", 3);
//object.rotateX((float) (-180 * Math.PI / 180));
object.setCenter(new SimpleVector());
object.setTransparency(15); //Necessary for transparent textures
object.build();
world.addObject(object);
SimpleVector sv = new SimpleVector();
sv.set(object.getTransformedCenter());
Camera cam = world.getCamera();
cam.moveCamera(Camera.CAMERA_MOVEOUT, 50);
cam.lookAt(sv);
sv.set(object.getTransformedCenter());
sv.z -= 10;
sun.setPosition(sv);
MemoryHelper.compact();
if( master == null ) {
Logger.log("Saving master Activity!");
master = TestActivity.this;
}
}
}
private Object3D loadModel(String filename, float scale) {
AssetManager assetManager = getResources().getAssets();
Object3D[] model = null;
try {
model = Loader.loadOBJ(assetManager.open(filename + ".obj"), assetManager.open(filename + ".mtl"), scale);
} catch ( IOException e ) {
}
return Object3D.mergeAll(model);
}
public void onSurfaceCreated(GL10 gl, EGLConfig config) {
}
public void onDrawFrame(GL10 gl) {
if( touchTurn != 0 ) {
object.rotateY(touchTurn);
//world.getCamera().rotateY(touchTurn);
touchTurn = 0;
}
if( touchTurnUp != 0 ) {
object.rotateX(touchTurnUp);
//world.getCamera().rotateX(touchTurnUp);
touchTurnUp = 0;
}
fb.clear(back);
world.renderScene(fb);
world.draw(fb);
fb.display();
if( System.currentTimeMillis() - time >= 1000 ) {
Log.i("ROOEX", "fps : " + fps);
fps = 0;
time = System.currentTimeMillis();
}
fps++;
}
}
}
Can anyone advise on this issue?
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Transparent object will be sorted per object. In this case, all objects are merged into one and so they can't be sorted correctly in all cases. You have two options: Don't merge them into one or don't use transparency on them.