Пример #1
0
  public static void main(String[] args) {
    final Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new FillLayout());
    Composite comp = new Composite(shell, SWT.NONE);
    comp.setLayout(new FillLayout());
    GLData data = new GLData();
    data.doubleBuffer = true;
    final GLCanvas canvas = new GLCanvas(comp, SWT.NONE, data);

    canvas.setCurrent();
    try {
      GLContext.useContext(canvas);
    } catch (LWJGLException e) {
      e.printStackTrace();
    }

    canvas.addListener(
        SWT.Resize,
        event -> {
          Rectangle bounds = canvas.getBounds();
          float fAspect = (float) bounds.width / (float) bounds.height;
          canvas.setCurrent();
          try {
            GLContext.useContext(canvas);
          } catch (LWJGLException e) {
            e.printStackTrace();
          }
          GL11.glViewport(0, 0, bounds.width, bounds.height);
          GL11.glMatrixMode(GL11.GL_PROJECTION);
          GL11.glLoadIdentity();
          GLU.gluPerspective(45.0f, fAspect, 0.5f, 400.0f);
          GL11.glMatrixMode(GL11.GL_MODELVIEW);
          GL11.glLoadIdentity();
        });

    GL11.glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
    GL11.glColor3f(1.0f, 0.0f, 0.0f);
    GL11.glHint(GL11.GL_PERSPECTIVE_CORRECTION_HINT, GL11.GL_NICEST);
    GL11.glClearDepth(1.0);
    GL11.glLineWidth(2);
    GL11.glEnable(GL11.GL_DEPTH_TEST);

    shell.setText("SWT/LWJGL Example");
    shell.setSize(640, 480);
    shell.open();

    final Runnable run =
        new Runnable() {
          int rot = 0;

          @Override
          public void run() {
            if (!canvas.isDisposed()) {
              canvas.setCurrent();
              try {
                GLContext.useContext(canvas);
              } catch (LWJGLException e) {
                e.printStackTrace();
              }
              GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
              GL11.glClearColor(.3f, .5f, .8f, 1.0f);
              GL11.glLoadIdentity();
              GL11.glTranslatef(0.0f, 0.0f, -10.0f);
              float frot = rot;
              GL11.glRotatef(0.15f * rot, 2.0f * frot, 10.0f * frot, 1.0f);
              GL11.glRotatef(0.3f * rot, 3.0f * frot, 1.0f * frot, 1.0f);
              rot++;
              GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
              GL11.glColor3f(0.9f, 0.9f, 0.9f);
              drawTorus(1, 1.9f + ((float) Math.sin((0.004f * frot))), 15, 15);
              canvas.swapBuffers();
              display.asyncExec(this);
            }
          }
        };
    canvas.addListener(SWT.Paint, event -> run.run());
    display.asyncExec(run);

    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) display.sleep();
    }
    display.dispose();
  }
Пример #2
0
  private void displayDebugInfo(long l) {
    long l1 = 0xfe502aL;
    if (prevFrameTime == -1L) {
      prevFrameTime = System.nanoTime();
    }
    long l2 = System.nanoTime();
    tickTimes[numRecordedFrameTimes & frameTimes.length - 1] = l;
    frameTimes[numRecordedFrameTimes++ & frameTimes.length - 1] = l2 - prevFrameTime;
    prevFrameTime = l2;
    GL11.glClear(256);
    GL11.glMatrixMode(5889 /*GL_PROJECTION*/);
    GL11.glLoadIdentity();
    GL11.glOrtho(0.0D, displayWidth, displayHeight, 0.0D, 1000D, 3000D);
    GL11.glMatrixMode(5888 /*GL_MODELVIEW0_ARB*/);
    GL11.glLoadIdentity();
    GL11.glTranslatef(0.0F, 0.0F, -2000F);
    GL11.glLineWidth(1.0F);
    GL11.glDisable(3553 /*GL_TEXTURE_2D*/);
    Tessellator tessellator = Tessellator.instance;
    tessellator.startDrawing(7);
    int i = (int) (l1 / 0x30d40L);
    tessellator.setColorOpaque_I(0x20000000);
    tessellator.addVertex(0.0D, displayHeight - i, 0.0D);
    tessellator.addVertex(0.0D, displayHeight, 0.0D);
    tessellator.addVertex(frameTimes.length, displayHeight, 0.0D);
    tessellator.addVertex(frameTimes.length, displayHeight - i, 0.0D);
    tessellator.setColorOpaque_I(0x20200000);
    tessellator.addVertex(0.0D, displayHeight - i * 2, 0.0D);
    tessellator.addVertex(0.0D, displayHeight - i, 0.0D);
    tessellator.addVertex(frameTimes.length, displayHeight - i, 0.0D);
    tessellator.addVertex(frameTimes.length, displayHeight - i * 2, 0.0D);
    tessellator.draw();
    long l3 = 0L;
    for (int j = 0; j < frameTimes.length; j++) {
      l3 += frameTimes[j];
    }

    int k = (int) (l3 / 0x30d40L / (long) frameTimes.length);
    tessellator.startDrawing(7);
    tessellator.setColorOpaque_I(0x20400000);
    tessellator.addVertex(0.0D, displayHeight - k, 0.0D);
    tessellator.addVertex(0.0D, displayHeight, 0.0D);
    tessellator.addVertex(frameTimes.length, displayHeight, 0.0D);
    tessellator.addVertex(frameTimes.length, displayHeight - k, 0.0D);
    tessellator.draw();
    tessellator.startDrawing(1);
    for (int i1 = 0; i1 < frameTimes.length; i1++) {
      int j1 = ((i1 - numRecordedFrameTimes & frameTimes.length - 1) * 255) / frameTimes.length;
      int k1 = (j1 * j1) / 255;
      k1 = (k1 * k1) / 255;
      int i2 = (k1 * k1) / 255;
      i2 = (i2 * i2) / 255;
      if (frameTimes[i1] > l1) {
        tessellator.setColorOpaque_I(0xff000000 + k1 * 0x10000);
      } else {
        tessellator.setColorOpaque_I(0xff000000 + k1 * 256);
      }
      long l4 = frameTimes[i1] / 0x30d40L;
      long l5 = tickTimes[i1] / 0x30d40L;
      tessellator.addVertex((float) i1 + 0.5F, (float) ((long) displayHeight - l4) + 0.5F, 0.0D);
      tessellator.addVertex((float) i1 + 0.5F, (float) displayHeight + 0.5F, 0.0D);
      tessellator.setColorOpaque_I(0xff000000 + k1 * 0x10000 + k1 * 256 + k1 * 1);
      tessellator.addVertex((float) i1 + 0.5F, (float) ((long) displayHeight - l4) + 0.5F, 0.0D);
      tessellator.addVertex(
          (float) i1 + 0.5F, (float) ((long) displayHeight - (l4 - l5)) + 0.5F, 0.0D);
    }

    tessellator.draw();
    GL11.glEnable(3553 /*GL_TEXTURE_2D*/);
  }