问题
So the other day I found a tutorial on how to create a pattern lock screen in action script. To do so I had to create a class, I have a good grasp on how the class is working. But I want to add an animation so when the user goes over the dots in the pattern and animation plays. But I have no idea how to do something like this through the class. Here is the code I used in my class.
package
{
import flash.display.Sprite;
import flash.events.MouseEvent;
import fl.transitions.Tween;
import fl.transitions.easing.Strong;
public class Main extends Sprite
{
private var dots:Array = []; // Stores the in stage movieclips
private var pattern:Array = []; //The pattern entered by the user
private var pass:Array = [1,4,7,8,5,2,5]; //The correct pattern to proceed
public function Main():void
{
dots = [one,two,three,four,five,six,seven,eight,nine]; //add the clips in stage
addListeners();
}
private function addListeners():void //adds the listeners to each dot
{
var dotsLength:int = dots.length;
for (var i:int = 0; i < dotsLength; i++)
{
dots[i].addEventListener(MouseEvent.MOUSE_DOWN, initiatePattern);
dots[i].addEventListener(MouseEvent.MOUSE_UP, stopPattern);
}
}
/* Adds a mouse over listener and uses it to add the number of the dot to the pattern */
private function initiatePattern(e:MouseEvent):void
{
var dotsLength:int = dots.length;
for (var i:int = 0; i < dotsLength; i++)
{
dots[i].addEventListener(MouseEvent.MOUSE_OVER, addPattern);
}
pattern.push(dots.indexOf(e.target) + 1); //adds the array index number of the clip plus one, because arrays are 0 based
}
private function addPattern(e:MouseEvent):void
{
pattern.push(dots.indexOf(e.target) + 1); //adds the pattern on mouse over
}
private function stopPattern(e:MouseEvent):void //stops storing the pattern on mouse up
{
var dotsLength:int = dots.length;
for (var i:int = 0; i < dotsLength; i++)
{
dots[i].removeEventListener(MouseEvent.MOUSE_OVER, addPattern);
}
checkPattern();
}
private function checkPattern():void //compares the patterns
{
var pLength:int = pass.length;
var correct:int = 0;
for (var i:int = 0; i < pLength; i++) //compares each number entered in the user array to the pass array
{
if (pass[i] == pattern[i])
{
correct++;
}
}
if (correct == pLength) //if the arrays match
{
//Hides Sign In
MovieClip(root).LockScreen.visible = false;
MovieClip(root).RTID.visible = false;
MovieClip(root).SignIn.visible = false;
//Turns On Main Menu
MovieClip(root).gamemenu_mc.visible = true;
MovieClip(root).biggamesmenu_mc.visible = true;
MovieClip(root).totaltextmenu_mc.visible = true;
MovieClip(root).tmenu_mc.visible = true;
MovieClip(root).smenu_mc.visible = true;
MovieClip(root).optionsmenu_mc.visible = true;
}
pattern = []; //clears the user array
}
}
}
回答1:
Easiest way I can think to do this is:
inside your dot movie clip, put a
stop()action on the first framecreate your animation on the dot timeline and on the last frame of the animation put another
stop().In your mouse over function, tell the dot to play.
private function addPattern(e:MouseEvent):void { var dot:MovieClip = MovieClip(e.currentTarget); if(dot.currentFrame < 2) dot.play(); //play only if on the first frame pattern.push(dots.indexOf(dot) + 1); //adds the pattern on mouse over }Reset the dots animation
private function stopPattern(e:MouseEvent):void //stops storing the pattern on mouse up { for (var i:int = 0; i < dots.length; i++) { dots[i].removeEventListener(MouseEvent.MOUSE_OVER, addPattern); dots[i].gotoAndStop(1); //go back to the first frame } checkPattern(); }
Alternatively, if you're just want something simple like a layer of the dot fading in/out or the size of the dot increasing, you could just use a tweening library and tween the appropriate property on mouse over.
If you wanted to draw lines to connect the dots, you could do this:
package
{
import flash.display.Sprite;
import flash.events.MouseEvent;
import fl.transitions.Tween;
import fl.transitions.easing.Strong;
import flash.display.Shape;
public class Main extends Sprite
{
private var lineContainer:Shape = new Shape();
private var dots:Array = []; // Stores the in stage movieclips
private var pattern:Array = []; //The pattern entered by the user //don't make life hard, just store the object itself instead of the index
private var pass:Array;
public function Main():void
{
dots = [one,two,three,four,five,six,seven,eight,nine]; //add the clips in stage
pass = [one,four,seven,eight,five,two,five]; //The correct pattern to proceed
addChildAt(lineContainer, this.getChildIndex(one)); //the line container right behind the first dot.
addListeners();
}
private function addListeners():void //adds the listeners to each dot
{
var dotsLength:int = dots.length;
for (var i:int = 0; i < dotsLength; i++)
{
dots[i].addEventListener(MouseEvent.MOUSE_DOWN, initiatePattern);
dots[i].addEventListener(MouseEvent.MOUSE_UP, stopPattern); //you could attach this to `this` instead of each dot, same result
}
}
/* Adds a mouse over listener and uses it to add the number of the dot to the pattern */
private function initiatePattern(e:MouseEvent):void
{
pattern = []; //reset array
lineContainer.graphics.clear(); //clear lines
for (var i:int = 0; i < dots.length; i++)
{
dots[i].addEventListener(MouseEvent.MOUSE_OVER, addPattern);
}
addPattern(e); //trigger the mouse over for this element
}
private function addPattern(e:MouseEvent):void
{
//if (pattern.indexOf(e.currentTarget) == -1) { //wrap in this if statemnt if only wanted a dot to be selected once (like Android)
pattern.push(e.currentTarget); //adds the pattern on mouse over
drawLines();
var dot:MovieClip = MovieClip(e.currentTarget);
if(dot.currentFrame < 2) dot.play(); //play only if on the first frame
//}
}
private function drawLines():void {
lineContainer.graphics.clear(); //clear the current lines
lineContainer.graphics.lineStyle(5, 0xFF0000); //thickness (5px) and color (red) of the lines
if (pattern.length > 1) { //don't draw if there aren't at least two dots in the pattern
lineContainer.graphics.moveTo(pattern[0].x + pattern[0].width * .5, pattern[0].y + pattern[0].height * .5); //move to first
for (var i:int = 1; i < pattern.length; i++) {
lineContainer.graphics.lineTo(pattern[i].x + pattern[i].width * .5, pattern[i].y + pattern[i].height * .5); //draw a line to the current dot
}
}
lineContainer.graphics.endFill();
}
private function stopPattern(e:MouseEvent):void //stops storing the pattern on mouse up
{
for (var i:int = 0; i < dots.length; i++)
{
dots[i].removeEventListener(MouseEvent.MOUSE_OVER, addPattern);
dots[i].gotoAndStop(1); //go back to the first frame
}
checkPattern();
}
private function checkPattern():void //compares the patterns
{
var pLength:int = pass.length;
var correct:int = 0;
for (var i:int = 0; i < pLength; i++) //compares each number entered in the user array to the pass array
{
if (pass[i] == pattern[i])
{
correct++;
}
}
if (correct == pLength) //if the arrays match
{
//Hides Sign In
MovieClip(root).LockScreen.visible = false;
MovieClip(root).RTID.visible = false;
MovieClip(root).SignIn.visible = false;
//Turns On Main Menu
MovieClip(root).gamemenu_mc.visible = true;
MovieClip(root).biggamesmenu_mc.visible = true;
MovieClip(root).totaltextmenu_mc.visible = true;
MovieClip(root).tmenu_mc.visible = true;
MovieClip(root).smenu_mc.visible = true;
MovieClip(root).optionsmenu_mc.visible = true;
}
pattern = []; //clears the user array
lineContainer.graphics.clear(); //clear the lines
}
}
}
来源：https://stackoverflow.com/questions/24187669/action-script-3-adding-an-gotoandstop-animation