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Flash Tutorial - The Matrix Special Effects

Free Flash Tutorial

Step Seven: The ActionScript

1. Insert a new layer Insert > Timeline > Layer
2. Name the layer: Actions



3. Select Frame 1 of the: Actions Layer
4. If the Actions Panel is closed, open it: Window > Actions (F9)
5. Type (or copy & paste) the following actions:

   var SSX = 30;
   var SSY = 30;
   var XSPACING = 20;
   var YSPACING = 20;
   var spans = new Array(SSX);
   for (y=0; y < SSY; y++) {
      for (x=0; x < SSY; x++) {
         var n = y * SSX + x;
      if ((((x*5 ^ y*3)) & 3) == 0) {
         duplicateMovieClip("myCharacters", "c"+n, n);

   /* Only add the following code (by removing the "//") if you have created individual MCs for specific letters such as A, B, C & D etc. Note the first Instance Name would go in the line above instead of: myCharacters The rest of the go in the lines below. Change my Instance Names to match yours. */
   
   // } else if ((((x*5 ^ y*3)) & 4) == 0) {
   // duplicateMovieClip("myMC_B", "c"+n, n);

   /* If you have more MCs, repeat the two lines of code as necessary incrementing the count like this:  */
   
   // } else if ((((x*5 ^ y*3)) & 5) == 0) {
   // duplicateMovieClip("myMC_C", "c"+n, n);
   
   /* Your very last MCs Instance Name would go in the line below instead of: myCharacters  */

         } else {
            duplicateMovieClip("myCharacters", "c"+n, n);
         }
         with (this["c"+n]) {
            _x = x*XSPACING+XSPACING;
            _y = y*YSPACING;
        }
      }
   }
   for (x=0; x<SSX; x++) {
      y = Math.random()*SSY*8;
      spans[x] = -(int(y));
   }
   

6. Select Frame 2 of the: Actions Layer
7. Insert a blank Keyframe: Insert > Timeline > Blank Keyframe (F7)
8. With Frame 2 still selected type (or copy & paste) the following actions:

for (x=0; x<SSX; x++) {
   if (spans(x)>=0) {
      n = spans[x]*SSX+x;
      this["c"+n].gotoAndPlay(2);
      if (spans[x]>=SSY) {
         n = Math.random()*SSY*8;
         n = int(n);
         spans[x] = -n;
      }
   }
   spans[x]++;
}

9. Select Frame 3 of the: Actions Layer
10. Insert a blank Keyframe: Insert > Timeline > Blank Keyframe (F7)
11. With Frame 3 still selected type (or copy & paste) the following actions:

gotoAndPlay(2);

12. Test your Movie: Control > Test Movie (Ctrl Enter)

    Your Movie is done! In the next section the ActionScript is explained.