Infographie

public void display( GLAutoDrawable drawable ) { 

      final GL2 gl = drawable.getGL().getGL2(); 

      gl.glColor3f( 1f,0f,0f ); //applying red  

      gl.glBegin( GL2.GL_POLYGON ); 

      gl.glVertex3f( 0f,0.5f,0f  ); 

      gl.glVertex3f( -0.5f,0.2f,0f ); 

      gl.glVertex3f( -0.5f,-0.2f,0f ); 

      gl.glVertex3f( 0f,-0.5f,0f ); 

      gl.glVertex3f( 0f,0.5f,0f ); 

      gl.glVertex3f( 0.5f,0.2f,0f ); 

      gl.glVertex3f( 0.5f,-0.2f,0f ); 

      gl.glVertex3f( 0f,-0.5f,0f ); 

      gl.glEnd(); 

   }

public void display( GLAutoDrawable drawable ) { 

      final GL2 gl = drawable.getGL().getGL2(); 

      gl.glBegin( GL2.GL_TRIANGLES );  

      // Drawing Using Triangles 

      gl.glColor3f( 1.0f, 0.0f, 0.0f );   // Red 

      gl.glVertex3f( 0.5f,0.7f,0.0f );    // Top 

      gl.glColor3f( 0.0f,1.0f,0.0f );     // green 

      gl.glVertex3f( -0.2f,-0.50f,0.0f ); // Bottom Left 

      gl.glColor3f( 0.0f,0.0f,1.0f );     // blue 

      gl.glVertex3f( 0.5f,-0.5f,0.0f );   // Bottom Right 

      gl.glEnd();         

   }