Ledger Nano X - The secure hardware wallet
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alexFilimon Mar 30th, 2020 84 Never
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  1.  
  2. import javax.swing.JFrame;
  3.  
  4. import com.jogamp.opengl.GL;
  5. import com.jogamp.opengl.GL2;
  6. import com.jogamp.opengl.GLAutoDrawable;
  7. import com.jogamp.opengl.GLCapabilities;
  8. import com.jogamp.opengl.GLEventListener;
  9. import com.jogamp.opengl.GLProfile;
  10. import com.jogamp.opengl.awt.GLCanvas;
  11.  
  12. public class Chess implements GLEventListener {
  13.     @Override
  14.     public void init(GLAutoDrawable glAutoDrawable) {
  15.  
  16.     }
  17.  
  18.     @Override
  19.     public void dispose(GLAutoDrawable glAutoDrawable) {
  20.  
  21.     }
  22.  
  23.     @Override
  24.     public void display(GLAutoDrawable glAutoDrawable) {
  25.         final GL2 gl = glAutoDrawable.getGL().getGL2();
  26.         boolean reverse = false;
  27.        
  28.         gl.glCullFace(GL.GL_FRONT);
  29.          
  30.         gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL2.GL_FILL);
  31.        
  32.         for(float f = -1.0f; f <= 1.0f; f += 0.25){
  33.             drawOneRow(gl, f, reverse);
  34.             reverse = !reverse;
  35.         }
  36.     }
  37.  
  38.     public void drawOneRow(GL2 gl, float row, boolean reverse){
  39.         boolean black = reverse;
  40.         for(float f = -1.0f; f <= 1.0f; f += 0.25){
  41.             if(!black){
  42.                 gl.glDisable(GL.GL_CULL_FACE);
  43.                 gl.glColor3f(1.0f,1.0f,1.0f);
  44.             }
  45.             else{
  46.                 gl.glEnable(GL.GL_CULL_FACE);
  47.                 gl.glColor3f(0.0f,0.0f,0.0f);
  48.             }
  49.  
  50.             gl.glBegin(gl.GL_POLYGON);
  51.             gl.glVertex3f(f,            row,0.0f);
  52.             gl.glVertex3f((f + 0.25f),  row,0.0f);
  53.             gl.glVertex3f((f + 0.25f),  (row + 0.25f),0.0f);
  54.             gl.glVertex3f(f,            (row + 0.25f),0.0f);
  55.             gl.glEnd();
  56.  
  57.             black = !black;
  58.         }
  59.     }
  60.  
  61.     @Override
  62.     public void reshape(GLAutoDrawable glAutoDrawable, int i, int i1, int i2, int i3) {
  63.  
  64.     }
  65.  
  66.  
  67.     public static void main( String[] args ) {
  68.  
  69.         //getting the capabilities object of GL2 profile
  70.         final GLProfile profile = GLProfile.get( GLProfile.GL2 );
  71.         GLCapabilities capabilities = new GLCapabilities(profile);
  72.  
  73.         // The canvas
  74.         final GLCanvas glcanvas = new GLCanvas( capabilities );
  75.         Chess chess = new Chess();
  76.         glcanvas.addGLEventListener( chess );
  77.         glcanvas.setSize(400, 400);
  78.  
  79.         //creating temalab2
  80.         final JFrame frame = new JFrame( "Chess" );
  81.  
  82.         //adding canvas to temalab2
  83.         frame.getContentPane().add( glcanvas );
  84.         frame.setSize(frame.getContentPane().getPreferredSize() );
  85.         frame.setVisible( true );
  86.     }
  87. }
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