Frame Random Shuffle without repeating
Hi,
Am beginning an eLearning project (I'm a retired social worker aiming in this lesson to help others) which includes building in AS3 an exercise called the GNAT (Go No/Go Association Task). The GNAT is a test tool that measures people's subconscious attiudes by having them choose (or not choose) by pressing/touching the spacebar (in this lesson) when they see a specific target word.
For the first part of the GNAT, a practice exercise: 16 target words (presented one each in its own frame), taken randomly with no repeats from a list or array of 18 words. Frame needs to time out in 1000 ms. If the person reacts by pressing/touching the spacebar when they see a word, it is either scored +1 (depends on the word) or nothing. If pressed, an X or 0 displays for 100 ms (wrong or correct, depending on the word) and then goes immediately to the next random (no repeat) frame and word. If not pressed the timer timeout at 1000 ms goes to the next random (no repeat) frame.
Whew! For my relatively modest AS3 skills, not sure how to set up a model for this and implement in script. Could also be one dynamic text box in a single frame instead of multiple frames, with the text (target word) changing. But still would need a timer to advance and if pressed, an over-ride of the timer to advance, plus scoring.
If I can get a basic model working, then I can try to build the main test exercise tool which has 9 target words but these are recycled randomly in a 3:6:3 ratio totaling 70.
Major challenge!!!
I've tried various random no repeats using frames but can't get the most basic version to work.
I would appreciate any help getting started. How best to set this up and begin?
Regards,
saratogacoach
Using frames is not likely to be relevant to what you seem to want to do. One frame, one textfield, and code is all you should need.
Just create the array, shuffle it, and pick the first 16 or whatever words in the shuffled array, one at a time as you advance thru the exercise. If you want a function to shuffle the array you can find the same one often offered in this forum, such as here...
http://forums.adobe.com/thread/1058786?tstart=0
If you need help with setting up a Timer, you should not have a problem searching Google for a tutorial (use "AS3 Timer tutorial")
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import flash.events.Event;
stop();
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function random1 (evt:Event) {
display1.text = "";
display2.text = "";
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display6.text = String(liste[5]);Here's the code for the approach mentioned with your textfields included
btn.addEventListener (MouseEvent.CLICK, random1);
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for(var j:uint=1; j<=6; j++){
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function shuffle(a:Array) {
var p:int;
var t:*;
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for (ivar = a.length-1; ivar>=0; ivar--) {
p=Math.floor((ivar+1)*Math.random());
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Random Generation without repeat
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set x to some item of "12345"
set y to some item of "12345"
set z to some item of "12345"
set a to some item of "12345"
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if x = y then
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end if
else if x = b then
if x ≤ 1 then
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itemsOne
Any Ideas??
Thanks for any help you can give,
MrBlobEHello
In addition to what others have said.
This sort of script could be done efficiently by class filtering of index list.
The basic is this :
{1, 2, false, 4, false}'s integers --> {1, 2, 4}
{1, 2, false, 4, false}'s some integer --> {1, 2, 4}'s some item --> 2, e.g.
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--set nn to {1, 2, 3, 4, 5}
set nn to "12345"
return some_permutation(nn)
on some_permutation(aa)
script o
property xx : aa -- source list
property yy : {} -- result list
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repeat with k from 1 to count my xx
set end of kk to k
end repeat
repeat (count my kk) times
set k to my kk's some integer -- some integer (class filter)
set my kk's item k to false -- suppress the chosen index
set end of my yy to my xx's item k -- extract item by chosen index
end repeat
if my xx's class = list then
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end if
end script
tell o to run
end some_permutation
Regards,
H -
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Hello,
I'm having trouble locating an explained example for selecting a set of random numbers without duplicates. Specifically, I'm working on this example from Ivor Horton's Beginning Java, chapter 3.
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javahombre
package model;
import java.util.Random;
import java.lang.Math.*;
import java.util.Arrays;
public class Lottery {
public static void main(String[] args) {
// Lottery example.
// We need the following data:
// - An integer to store the lottery number range (in this case 59).
// - A mechanism to choose a number randomly from the range.
// - An array to store the entries (6 different numbers per entry).
// - A loop to generate 5 sets of entries.
int numberRange = 59;
int currentPick = 0;
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//int slot = -1; // For searching entry array.
Random rn = new Random();
for (int n = 0; n < 5; n++)
// Generate entry.
for (int i = 0; i < 6; i++)
currentPick = 1 + Math.abs(rn.nextInt()) % numberRange;
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//slot = Arrays.binarySearch(entry, currentPick);
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// Add the current pick if it is not already in the entry.
//if (slot < 0)
entry[i] = currentPick;
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// Output entry.
System.out.print("Entry " + (n + 1) + ": ");
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Sample output (notice duplicates, as in Entry 3):
pick entered: 11
pick entered: 29
pick entered: 33
pick entered: 8
pick entered: 14
pick entered: 54
Entry 1: 11 29 33 8 14 54
pick entered: 51
pick entered: 46
pick entered: 25
pick entered: 30
pick entered: 44
pick entered: 22
Entry 2: 51 46 25 30 44 22
pick entered: 49
pick entered: 39
pick entered: 9
pick entered: 6
pick entered: 46
pick entered: 46
Entry 3: 49 39 9 6 46 46
pick entered: 23
pick entered: 26
pick entered: 2
pick entered: 21
pick entered: 51
pick entered: 32
Entry 4: 23 26 2 21 51 32
pick entered: 27
pick entered: 48
pick entered: 19
pick entered: 10
pick entered: 8
pick entered: 18
Entry 5: 27 48 19 10 8 18NOTE: the array reference to [ i ] seems to be misinterpreted as italics by the posting form. I've reposted the message here, hopefully it will show the code properly.
Thanks again,
javahombre
Hello,
I'm having trouble locating an explained example for
selecting a set of random numbers without duplicates.
Specifically, I'm working on this example from Ivor
Horton's Beginning Java, chapter 3.
3. A lottery program requires that you select six
different numbers from the integers 1-49. Write a
program to do this for you and generate five sets of
entries.
This is not homework, I'm just trying to teach myself
Java to eventually work my way up to servlets and
JSPs.
This is what I have so far. I tried to use array
sorting but it didn't work (the first three numbers in
my entries was always 0), so I commented out that
part. I've included sample output after the code. I
don't necessarily need the exact code although that
would be nice; I just need at least an explanation of
how to go about making sure that if a number has been
picked for an entry, not to pick it again.
Thanks for any help,
javahombre
package model;
import java.util.Random;
import java.lang.Math.*;
import java.util.Arrays;
public class Lottery {
public static void main(String[] args) {
// Lottery example.
// We need the following data:
// - An integer to store the lottery number range (in
this case 59).
// - A mechanism to choose a number randomly from the
range.
// - An array to store the entries (6 different
numbers per entry).
// - A loop to generate 5 sets of entries.
int numberRange = 59;
int currentPick = 0;
int[] entry = new int[6]; // For storing entries.
//int slot = -1; // For searching entry
array.
Random rn = new Random();
for (int n = 0; n < 5; n++)
// Generate entry.
for (int i = 0; i < 6; i++)
currentPick = 1 + Math.abs(rn.nextInt()) %
numberRange;
//Arrays.sort(entry);
//slot = Arrays.binarySearch(entry, currentPick);
//System.out.println("i: " + i + "\t| slot: " + slot +
"\t| pick: " + currentPick + "\t| compare: " + (slot <
0));
// Add the current pick if it is not already in the
entry.
//if (slot < 0)
entry[ i ] = currentPick;
System.out.println("pick entered: " + currentPick);
// Output entry.
System.out.print("Entry " + (n + 1) + ": ");
for (int j = 0; j < 6; j++)
System.out.print(entry[j] + "\t");
System.out.println("");
// Set the array contents back to 0 for next entry.
Arrays.fill(entry,0);
Sample output (notice duplicates, as in Entry 3):
pick entered: 11
pick entered: 29
pick entered: 33
pick entered: 8
pick entered: 14
pick entered: 54
Entry 1: 11 29 33 8 14 54
pick entered: 51
pick entered: 46
pick entered: 25
pick entered: 30
pick entered: 44
pick entered: 22
Entry 2: 51 46 25 30 44 22
pick entered: 49
pick entered: 39
pick entered: 9
pick entered: 6
pick entered: 46
pick entered: 46
Entry 3: 49 39 9 6 46 46
pick entered: 23
pick entered: 26
pick entered: 2
pick entered: 21
pick entered: 51
pick entered: 32
Entry 4: 23 26 2 21 51 32
pick entered: 27
pick entered: 48
pick entered: 19
pick entered: 10
pick entered: 8
pick entered: 18
Entry 5: 27 48 19 10 8 18 -
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