Buttons : Previous, Next, Return

 

The purpose is to show how to manage buttons Previous, Next, Return in a scene to get from a sequence to another.
We'll use scripts. I suppose you know how to create objects, thus I will not insist on.
Here is a scenario for a scene named Scene_2 :

I'll suppose buttons have been created and pictures set up with their effects. You 'll notice some stops limit display sequences.
We 'll use a variable named clic in that scene.
For the others, you MUST use another name : clic1, clic2, ...

Here is the script placé for Scene_2 in Outline.

onLoad() { clic = 0; }
onFrame (21) { stop(); }
onFrame (42) { stop(); }
onFrame (63) { stop(); }
onFrame (84) { stop(); }
onFrame (105) { stop(); }
onFrame (126) { stop(); }
onFrame (147) { stop(); }

Here is the script for the button Next in Outline.

on (press)
{
   clic++;
   switch (clic)
   {
       case 1 : gotoAndPlay("Scene_2",22); break;
       case 2 : gotoAndPlay("Scene_2",43); break;
       case 3 : gotoAndPlay("Scene_2",64); break;
       case 4 : gotoAndPlay("Scene_2",85); break;
       case 5 : gotoAndPlay("Scene_2",106); break;
       case 6 : gotoAndPlay("Scene_2",127); break;
       case 7 : gotoAndPlay("Scene_2",148); break;
       case 8 :
               clic = 0; // init
               gotoAndPlay("Scene_2",1); // back to startup
       break;
   }
}

Here is the script for the button Previous in Outline.
Place this button only in the 2nd sequence ( frame 22 ).

on (press)
{
   clic--;
   switch (clic)
   {
       case 0 : gotoAndPlay("Scene_2",1); break;
       case 1 : gotoAndPlay("Scene_2",22); break;
       case 2 : gotoAndPlay("Scene_2",43); break;
       case 3 : gotoAndPlay("Scene_2",64); break;
       case 4 : gotoAndPlay("Scene_2",85); break;
       case 5 : gotoAndPlay("Scene_2",106); break;
       case 6 : gotoAndPlay("Scene_2",127); break;
   }
}

For button Menu, it's quite simple.
We get back to the original Scene_1 which is used for dispatching.

   on (release) { gotoSceneAndPlay("Scene_1",1); }

Et voilà, quite easy, no ? You just have to fit with your own stop positions.

Remark :
It'll be more flexible to use labels instead of references to a frame number.
For that, see SwishMax2.

 


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Dernière Modification : Mer 25 Janvier 2017 8:56
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