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  Inserting Text into a "Spiral" program  (Read 643 times)
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Offline nklindsay

Junior Newbie




Java games rock!


« Posted 2004-11-02 00:08:15 »

Hi there,

I'm doing a program that shows both points and text in a colored-spiral:

Now I'm trying to get letters/text to alternate with the points  in the spiral. Problem is how do I set this up? How do I get text to go into the spiral along with the points?

Here is the code, just copy and paste, then run to see how it works. Certain code I commented out in regards to using "String" and "text" and it wasn't really working.

Any suggestions are great. PLEASE!!!

----

import java.awt.*;

import java.awt.event.*;



import net.java.games.jogl.*;

import net.java.games.jogl.util.*;


//Color-Blended Five-Sided Polygon Program
public class Color

{

 public static void main(String[] args)

 {

   Frame frame = new Frame("Spiral");

   GLCanvas canvas = GLDrawableFactory.getFactory().createGLCanvas(new GLCapabilities());

   canvas.addGLEventListener(new Renderer());

   frame.add(canvas);

   frame.setSize(400, 300);

   

   frame.addWindowListener(new WindowAdapter()

   {

     public void windowClosing(WindowEvent e)

     {

       

       System.exit(0);

     }

   });

   frame.show();

   canvas.requestFocus();

   

 }

 

 static class Renderer implements GLEventListener, KeyListener

 {

   

public void display(GLDrawable gLDrawable)

   {

    final GL gl = gLDrawable.getGL();

    final GLU glu = gLDrawable.getGLU();
   
    // final GLUT glut = new GLUT();

   

   

    float [][] CLUT ={{1.0f,0.0f,0.0f},{1.0f,0.5f,0.0f},{1.0f,1.0f,0.0f},

           {0.0f,1.0f,0.0f},{0.0f,0.0f,1.0f},{1.0f,0.0f,1.0f},

           {0.5f,0.0f,0.5f}, {1.0f,0.0f,0.5f}};
           
   
    // String [] fonts = { "T", "B","R", "P","H","F"};
     
           

           

     gl.glClear (GL.GL_COLOR_BUFFER_BIT);  // Set display window to color.

       gl.glMatrixMode (GL.GL_MODELVIEW);

     gl.glLoadIdentity();

     

     double x = 0.0, y = 0.0, r=0.0, rad,ang=0.0;

     float point = 0.1f;
    //float text1 = 0.1f;
    //float text2 = 0.1f;

     
     rad =(Math.PI/180.0);

     

        for (int i=0; i<80; i++){

           

           gl.glPointSize(point);
           //gl.glTextSize(text1,text2);
          // gl.glRasterPos2d(x,y); // set position
           //glut.glutBitmapString(gl, i+2, fonts[i%8]);

           

           x = r*Math.cos(rad*ang);

           y = r*Math.sin(rad*ang);

             

                 gl.glBegin(GL.GL_POINTS);    

                 gl.glColor3fv(CLUT[i%8]);

                 gl.glVertex2f((float)x,(float)y);  
                 
                 

                 gl.glEnd();

                 r+=3.0;

                 ang+=10.0;

                 point += 0.3f;

           }                

   

   }

public void init(GLDrawable gLDrawable)

   {

     final GL gl = gLDrawable.getGL();

     final GLU glu = gLDrawable.getGLU();

     

     gl.glMatrixMode (GL.GL_PROJECTION);  

     gl.glClearColor (0.0f, 0.0f, 0.0f, 0.0f);   //set background to white

     glu.gluOrtho2D (-250.0, 250.0, -250, 250.0);  // define drawing area

     gLDrawable.addKeyListener(this);

   }



    public void displayChanged(GLDrawable gLDrawable, boolean modeChanged, boolean deviceChanged)

   {

   }

   

      public void reshape(GLDrawable gLDrawable, int x, int y, int width, int height)

   {

     

   }



   

   public void keyPressed(KeyEvent e)

   {

     if (e.getKeyCode() == KeyEvent.VK_ESCAPE)

       System.exit(0);

   }

     

   public void keyReleased(KeyEvent e) {}

   

   public void keyTyped(KeyEvent e) {}

     }
}


----

Help! Again, any suggestions will be great! Thanks!



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