Make a lives display in HUD, Flash AS3 (not text!)
- by user40404
I've been searching the internet all day and I can't find the answer I'm looking for.
In my HUD I want to use orange dots to represent lives. The user starts off with 5 lives and every time they die, I want a dot to be removed. Pretty straight forward.
So far my idea is to make a movie clip that has the five dots in a line. There would be 5 frames on the timeline (because after the last life it goes to a game over screen right away).
I would have a variable set up to store the number of lives and a function to keep track of lives. So every hit of an obstacle would result in livesCounter--;. Then I would set up something like this:
switch(livesCounter){
case 5: livesDisplay.gotoAndPlay(1);
break;
case 4: livesDisplay.gotoAndPlay(2);
break;
case 3: livesDisplay.gotoAndPlay(3);
break;
case 2: livesDisplay.gotoAndPlay(4);
break;
case 1: livesDisplay.gotoAndPlay(5);
break;
}
I feel like there has to be an easier way to do this where I could just have a movie clip of a single orange dot that I could replicate across an x value based on the number of lives. Maybe the dots would be stored in an array? When the user loses a life, a dot on the right end of the line is removed.
So in the end the counter would look like this:
* * * * *
* * * *
* * *
* *
* (last life lost results in the end game screen)
EDIT: code based on suggestions by Zhafur and Arthur Wolf White
package {
import flash.display.MovieClip;
import flash.events.*;
import flash.ui.Multitouch;
import flash.ui.MultitouchInputMode;
import flash.display.Sprite;
import flash.text.*;
import flash.utils.getTimer;
public class CollisionMouse extends MovieClip{
public var mySprite:Sprite = new Sprite();
Multitouch.inputMode = MultitouchInputMode.TOUCH_POINT;
public var replacement:newSprite = new newSprite;
public var score:int = 0;
public var obstScore:int = -50;
public var targetScore:int = 200;
public var startTime:uint = 0;
public var gameTime:uint;
public var pauseScreen:PauseScreen = new PauseScreen();
public var hitTarget:Boolean = false;
public var hitObj:Boolean = false;
public var currLevel:Number = 1;
public var heroLives:int = 5;
public var life:Sprite;
public function CollisionMouse() {
mySprite.graphics.beginFill(0xff0000);
mySprite.graphics.drawRect(0,0,40,40);
addChild(mySprite);
mySprite.x = 200;
mySprite.y = 200;
pauseScreen.x = stage.width/2;
pauseScreen.y = stage.height/2;
life = new Sprite();
life.x = 210;
stage.addEventListener(MouseEvent.MOUSE_MOVE,followMouse);
/*mySprite.addEventListener(TouchEvent.TOUCH_END, onTouchEnd);*/
//checkLevel();
timeCheck();
trackLives();
}
public function timeCheck(){
addEventListener(Event.ENTER_FRAME, showTime);
}
public function showTime(e:Event) {
gameTime = getTimer()-startTime;
rm1_mc.timeDisplay.text = clockTime(gameTime);
rm1_mc.livesDisplay.text = String(heroLives);
}
public function clockTime(ms:int) {
var seconds:int = Math.floor(ms/1000);
var minutes:int = Math.floor(seconds/60);
seconds -= minutes*60;
var timeString:String = minutes+":"+String(seconds+100).substr(1,2);
return timeString;
}
public function trackLives(){
for(var i:int=0; i<heroLives; i++){
life.graphics.lineStyle(1, 0xff9900);
life.graphics.beginFill(0xff9900, 1);
life.graphics.drawCircle(i*15, 45, 6);
life.graphics.endFill();
addChild(life);
}
}
function followMouse(e:MouseEvent){
mySprite.x=mouseX;
mySprite.y=mouseY;
trackCollisions();
}
function trackCollisions(){
if(mySprite.hitTestObject(rm1_mc.obst1) || mySprite.hitTestObject(rm1_mc.obst2)){
hitObjects();
}
else if(mySprite.hitTestObject(rm1_mc.target_mc)){
hitTarg();
}
}
function hitObjects(){
addChild(replacement);
mySprite.x ^= replacement.x;
replacement.x ^= mySprite.x;
mySprite.x ^= replacement.x;
mySprite.y ^= replacement.y;
replacement.y ^= mySprite.y;
mySprite.y ^= replacement.y;
stage.removeEventListener(MouseEvent.MOUSE_MOVE, followMouse);
removeChild(mySprite);
hitObj = true;
checkScore();
}
function hitTarg(){
addChild(replacement);
mySprite.x ^= replacement.x;
replacement.x ^= mySprite.x;
mySprite.x ^= replacement.x;
mySprite.y ^= replacement.y;
replacement.y ^= mySprite.y;
mySprite.y ^= replacement.y;
stage.removeEventListener(MouseEvent.MOUSE_MOVE, followMouse);
removeEventListener(Event.ENTER_FRAME, showTime);
removeChild(mySprite);
hitTarget = true;
currLevel++;
checkScore();
}
function checkScore(){
if(hitObj){
score += obstScore;
heroLives--;
removeChild(life);
}
else if(hitTarget){
score += targetScore;
}
rm1_mc.scoreDisplay.text = String(score);
rm1_mc.livesDisplay.text = String(heroLives);
trackLives();
}
}
}
