Wrap Image around Wire shape

Started by Nukem June 11, 2002 10:43 PM

4 comments, last by Nukem 22 years, 8 months ago

Author

118

June 11, 2002 10:43 PM

Is it possible to wrap an image(bmp) around a wire shape? If so how would I go about doing this? Here is the code I use to draw the wire shape.

  
  void WireDraw(bool GotoEnd)
  {
    AXIS axy;
    int a = 0;

    if(GotoEnd)
    {
      glBegin(GL_LINE_LOOP);
    }else{
      glBegin(GL_LINE_STRIP);
    }

    while(Print(ngc, a, &axy))
    {
      glVertex3f(axy.x, axy.y, axy.z);
      a++;
    }

    glEnd();
  }

--------------------------Nukemmsn: nukem996@hotmail.comaim: nukem996open source open mind

LockePick

707

June 11, 2002 10:51 PM

For every vertex you would have to assign the proper texture coordinate. Much easier said than done...

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Nukem

Author

118

June 12, 2002 12:44 AM

heh how would I do this? I only know how to put a texture on a shape with

glEnable(GL_TEXTURE_2D);glBindTexture(GL_TEXTURE_2D, texture[0]);

--------------------------Nukemmsn: nukem996@hotmail.comaim: nukem996open source open mind

vincoof

514

June 12, 2002 03:07 AM

I''d recommend using automatic texture generation thanks to plane equations.

Take a look at the glTexGen command.

Anyway you will just apply the texture on your lines.
It will not "fill" the interior of your shape.
To fill the interior, you would have to use either triangles or quads...

Nukem

Author

118

June 12, 2002 06:20 PM

So glTexGen would just fill the lines? I want it to fill the hole thing acoss the lines. I tryed glTexGen and I looked it up on opengl but it didnt do anything.

--------------------------Nukemmsn: nukem996@hotmail.comaim: nukem996open source open mind

_DarkWIng_

602

June 13, 2002 02:47 PM

If you want to "fill the hole thing" you need to use GL_TRIANGLES/GL_TRIANGLE_STRIP/GL_TRIANGLE_FAN not lines. And glTexGen & plane mapping would be a good idea here.

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You should never let your fears become the boundaries of your dreams.

Wrap Image around Wire shape

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Wrap Image around Wire shape

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