private void updateTextureAndDistortionMesh() {
   final ScreenParams screen = this.mHmd.getScreenParams();
   final CardboardDeviceParams cdp = this.mHmd.getCardboardDeviceParams();
   if (this.mProgramHolder == null) {
     this.mProgramHolder = this.createProgramHolder();
   }
   if (this.mProgramHolderAberration == null) {
     this.mProgramHolderAberration = (ProgramHolderAberration) this.createProgramHolder(true);
   }
   final float textureWidthTanAngle = this.mLeftEyeViewport.width + this.mRightEyeViewport.width;
   final float textureHeightTanAngle =
       Math.max(this.mLeftEyeViewport.height, this.mRightEyeViewport.height);
   final int[] maxTextureSize = {0};
   GLES20.glGetIntegerv(GLES20.GL_MAX_TEXTURE_SIZE, maxTextureSize, 0);
   final int textureWidthPx =
       Math.min(Math.round(textureWidthTanAngle * this.mXPxPerTanAngle), maxTextureSize[0]);
   final int textureHeightPx =
       Math.min(Math.round(textureHeightTanAngle * this.mYPxPerTanAngle), maxTextureSize[0]);
   float xEyeOffsetTanAngleScreen =
       (screen.getWidthMeters() / 2.0f - cdp.getInterLensDistance() / 2.0f)
           / this.mMetersPerTanAngle;
   final float yEyeOffsetTanAngleScreen =
       (cdp.getVerticalDistanceToLensCenter() - screen.getBorderSizeMeters())
           / this.mMetersPerTanAngle;
   this.mLeftEyeDistortionMesh =
       this.createDistortionMesh(
           this.mLeftEyeViewport,
           textureWidthTanAngle,
           textureHeightTanAngle,
           xEyeOffsetTanAngleScreen,
           yEyeOffsetTanAngleScreen);
   xEyeOffsetTanAngleScreen =
       screen.getWidthMeters() / this.mMetersPerTanAngle - xEyeOffsetTanAngleScreen;
   this.mRightEyeDistortionMesh =
       this.createDistortionMesh(
           this.mRightEyeViewport,
           textureWidthTanAngle,
           textureHeightTanAngle,
           xEyeOffsetTanAngleScreen,
           yEyeOffsetTanAngleScreen);
   this.setupRenderTextureAndRenderbuffer(textureWidthPx, textureHeightPx);
   this.mFovsChanged = false;
 }
 public void updateViewports(final Viewport leftViewport, final Viewport rightViewport) {
   leftViewport.setViewport(
       Math.round(this.mLeftEyeViewport.x * this.mXPxPerTanAngle * this.mResolutionScale),
       Math.round(this.mLeftEyeViewport.y * this.mYPxPerTanAngle * this.mResolutionScale),
       Math.round(this.mLeftEyeViewport.width * this.mXPxPerTanAngle * this.mResolutionScale),
       Math.round(this.mLeftEyeViewport.height * this.mYPxPerTanAngle * this.mResolutionScale));
   rightViewport.setViewport(
       Math.round(this.mRightEyeViewport.x * this.mXPxPerTanAngle * this.mResolutionScale),
       Math.round(this.mRightEyeViewport.y * this.mYPxPerTanAngle * this.mResolutionScale),
       Math.round(this.mRightEyeViewport.width * this.mXPxPerTanAngle * this.mResolutionScale),
       Math.round(this.mRightEyeViewport.height * this.mYPxPerTanAngle * this.mResolutionScale));
   this.mViewportsChanged = false;
 }
Example #3
0
  public String createUID() {
    Long num;
    String uid;

    uid = "";
    num = new Date().getTime();
    while (num > 0) {
      uid += UIDMap[(int) (num % 62)];
      num /= 62;
    }

    uid += Math.round(Math.random() * 9.0);

    return uid;
  }
Example #4
0
  private static WAVData readFromStream(AudioInputStream aIn)
      throws UnsupportedAudioFileException, IOException {
    ReadableByteChannel aChannel = Channels.newChannel(aIn);
    AudioFormat fmt = aIn.getFormat();
    int numChannels = fmt.getChannels();
    int bits = fmt.getSampleSizeInBits();
    int format = AL_FORMAT_MONO8;

    if ((bits == 8) && (numChannels == 1)) {
      format = AL_FORMAT_MONO8;
    } else if ((bits == 16) && (numChannels == 1)) {
      format = AL_FORMAT_MONO16;
    } else if ((bits == 8) && (numChannels == 2)) {
      format = AL_FORMAT_STEREO8;
    } else if ((bits == 16) && (numChannels == 2)) {
      format = AL_FORMAT_STEREO16;
    }

    int freq = Math.round(fmt.getSampleRate());
    int size = aIn.available();
    ByteBuffer buffer = ByteBuffer.allocateDirect(size);
    while (buffer.remaining() > 0) {
      aChannel.read(buffer);
    }
    buffer.rewind();

    // Must byte swap on big endian platforms
    // Thanks to swpalmer on javagaming.org forums for hint at fix
    if ((bits == 16) && (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN)) {
      int len = buffer.remaining();
      for (int i = 0; i < len; i += 2) {
        byte a = buffer.get(i);
        byte b = buffer.get(i + 1);
        buffer.put(i, b);
        buffer.put(i + 1, a);
      }
    }

    WAVData result = new WAVData(buffer, format, size, freq, false);
    aIn.close();

    return result;
  }