我有一个用 actionscript 2 编写的测验。一切都很顺利，除了我不知道如何让分数在回答问题所需的每一秒内减少一分。
所以......每个问题的最高分数是 30 分，并且有一个 30 秒的计时器......所以测验更具挑战性，我希望它每回答一秒就减少 1 分。
这是我的代码...提前谢谢...
Answer0Button.enabled=false; button0._visible=false;
Answer1Button.enabled=false; button1._visible=false;
Answer2Button.enabled=false; button2._visible=false;
Answer3Button.enabled=false; button3._visible=false;
Answer4Button.enabled=false; button4._visible=false;
Answer5Button.enabled=false; button5._visible=false;
function countdown() {
counter--;
countdown_txt.text = counter;
if (counter == 0) {
Answer0Button.enabled=false;
Answer1Button.enabled=false;
Answer2Button.enabled=false;
Answer3Button.enabled=false;
Answer4Button.enabled=false;
Answer5Button.enabled=false;
clearInterval(intID);
AnswerPopUp_mc.gotoAndPlay(1);
AnswerPopUp_mc.AnswerPopUp.DisplayResult.htmlText = "" + TimeIsUp + "";
}
}
// defining variables for data
var ChosenNumberOfQuestions = int(0); // Number of questions in quiz
var TotalNumberOfQuestions = int(0); // Total number of questions in XML file
var NumberOfQuestions = int(0); // min of two above
var QuestionCounter = int(0); // for dynamicaly showing questions
var CurrentQuestion = QuestionCounter + 1; // for dynamicaly showing questions
var Points = 0; // for each question
var TotalPoints = 0; // Max Points
var Score = 0; // display total score
var NumberOfCorrectAnswers = 0; // counter for questions answered correctly
var RandOrderQuestions = new Array();
var Questions = new Array();
var Images = new Array();
var CorrectAnswers = new Array();
var Answers = new Array();
var ExplanationsIfCorrect = new Array();
var ExplanationsIfNotCorrect = new Array();
var TimesForSolving = new Array();
var NumberOfPoints = new Array();
// roll over states for buttons
button0.onEnterFrame = function() {
if (mouse_over_button0) {
_root.button0.nextFrame();
} else {
_root.button0.prevFrame();
}
};
button1.onEnterFrame = function() {
if (mouse_over_button1) {
_root.button1.nextFrame();
} else {
_root.button1.prevFrame();
}
};
button2.onEnterFrame = function() {
if (mouse_over_button2) {
_root.button2.nextFrame();
} else {
_root.button2.prevFrame();
}
};
button3.onEnterFrame = function() {
if (mouse_over_button3) {
_root.button3.nextFrame();
} else {
_root.button3.prevFrame();
}
};
button4.onEnterFrame = function() {
if (mouse_over_button4) {
_root.button4.nextFrame();
} else {
_root.button4.prevFrame();
}
};
button5.onEnterFrame = function() {
if (mouse_over_button5) {
_root.button5.nextFrame();
} else {
_root.button5.prevFrame();
}
};
// Label Color
var changeColor2 = new Color(label_mc.coloredLabel);
changeColor2.setRGB(labelColor);
// Change Buttons Color
var changeColorA = new Color(button0.letterA_mc.letterA);
changeColorA.setRGB(labelColor);
var changeColorB = new Color(button1.letterB_mc.letterB);
changeColorB.setRGB(labelColor);
var changeColorC = new Color(button2.letterC_mc.letterC);
changeColorC.setRGB(labelColor);
var changeColorD = new Color(button3.letterD_mc.letterD);
changeColorD.setRGB(labelColor);
var changeColorE = new Color(button4.letterE_mc.letterE);
changeColorE.setRGB(labelColor);
var changeColorF = new Color(button5.letterF_mc.letterF);
changeColorF.setRGB(labelColor);
// Change Color of points, counter...
var changeColorCounter = new Color(countdown_txt);
changeColorCounter.setRGB(labelColor);
var changeSlashColor = new Color(slash);
changeSlashColor.setRGB(labelColor);
var changeCurrQColor = new Color(DisplayCurrQ);
changeCurrQColor.setRGB(labelColor);
var changeTotalQColor = new Color(DisplayTotalQ);
changeTotalQColor.setRGB(labelColor);
var changePointsColor = new Color(DisplayPoints);
changePointsColor.setRGB(labelColor);
var changeScoreColor = new Color(DisplayScore);
changeScoreColor.setRGB(labelColor);
// Background Color
new Color (BackGround.bg).setRGB(BackgroundColor);
new Color (FadeIn.bg1.bg).setRGB(BackgroundColor);
// loading data from XML
var xmlData = new XML();
xmlData.ignoreWhite = true;
xmlData.onLoad = function () {
// Default Time for solving
DefaultTimeInSeconds = this.firstChild.attributes.DefaultTimeInSeconds;
trace ("DefaultTime: " + DefaultTimeInSeconds);
// Default Points
DefaultPoints = this.firstChild.attributes.DefaultPoints;
trace ("DefaultPoints: " + DefaultPoints);
// Default comment on answers
DefaultIfCorrectAnswer = this.firstChild.attributes.DefaultIfCorrectAnswer;
DefaultIfWrongAnswer = this.firstChild.attributes.DefaultIfWrongAnswer;
// Default if time is up
TimeIsUp = this.firstChild.attributes.TimeIsUp;
// Random order of questions or not
RandomQuestions = this.firstChild.attributes.RandomQuestions;
trace ("RandomQuestions: " + RandomQuestions);
// Number Of Questions
ChosenNumberOfQuestions = this.firstChild.attributes.NumberOfQuestions;
trace ("ChosenNumberOfQuestions: " + ChosenNumberOfQuestions);
// Counting total number of Questions in XML file
var nodes = this.firstChild.childNodes;
for (var a=0; a<nodes.length; a++){
TotalNumberOfQuestions = a+1;
}
trace ("TotalNumberOfQuestions: " + TotalNumberOfQuestions);
// Finaly - number of questions in QUIZ - min of two above
if (ChosenNumberOfQuestions < TotalNumberOfQuestions) {
NumberOfQuestions = ChosenNumberOfQuestions;
} else {
NumberOfQuestions = TotalNumberOfQuestions;
}
// Random order Questions or not
// first we populate array with question numbers
for(i=0; i<TotalNumberOfQuestions; i++){
RandOrderQuestions[i] = i;
trace(RandOrderQuestions);
}
// if we want random questions we use random sorting of number of questions
if (RandomQuestions == "TRUE") {
RandOrderQuestions.sort(function () {
return random(2) ? true : false;
});
trace(RandOrderQuestions);
}
///////////////////////////
// POPULATING FROM XML
for (var i=0; i < NumberOfQuestions; i++ )
{
// Chose the number of question from RandOrderQuestions array
var numInXML = RandOrderQuestions[i];
trace("Question number in XML: " + numInXML);
// populating questions from XML
Questions[i] = this.firstChild.childNodes[numInXML].childNodes[0].firstChild.nodeValue;
//trace(Questions);
//populating Correct Answers from XML
CorrectAnswers[i] = this.firstChild.childNodes[numInXML].childNodes[1].attributes.correctAnswer;
//trace(CorrectAnswers);
// populating options for answers from XML
var NewArray = new Array(); // temp array for answers for each question
for (var j=0; j < this.firstChild.childNodes[numInXML].childNodes[1].childNodes.length; j++ )
{
trace(i + " "+ j);
NewArray[j] = this.firstChild.childNodes[numInXML].childNodes[1].childNodes[j].firstChild.nodeValue;
//trace(NewArray);
NewArray.sort(function () {
return random(2) ? true : false;
});
}
Answers.push(NewArray); // push answers for this i question in main Answers array
//populating additional options from XML
ExplanationsIfCorrect[i] = this.firstChild.childNodes[numInXML].childNodes[2].attributes.explanationIfCorrect;
ExplanationsIfNotCorrect[i] = this.firstChild.childNodes[numInXML].childNodes[2].attributes.explanationIfNotCorrect;
TimesForSolving[i] = this.firstChild.childNodes[numInXML].childNodes[2].attributes.timeInSeconds;
NumberOfPoints[i] = this.firstChild.childNodes[numInXML].childNodes[2].attributes.points;
Images[i] = this.firstChild.childNodes[numInXML].childNodes[2].attributes.imageIfCorrect;
Images[i] = this.firstChild.childNodes[numInXML].childNodes[2].attributes.imageIfIncorrect;
}
trace("Questions: " + Questions); trace("Correct Answers: " + CorrectAnswers);
trace(NewArray);
trace(ExplanationsIfCorrect); trace(ExplanationsIfNotCorrect); trace(TimesForSolving); trace(NumberOfPoints); trace(Images);
// show first question (QuestionCounter=0)
QuestionNumber.text = "Question #" + 1;
QuestionDisplay.htmlText = Questions[QuestionCounter];
// show answers for first question (QuestionCounter=0)
if (0 < Answers[QuestionCounter].length){ Answer0Display.text = Answers[QuestionCounter][0]; Answer0Button.enabled=true; button0._visible=true;} else { button0._visible=false;}
if (1 < Answers[QuestionCounter].length){ Answer1Display.text = Answers[QuestionCounter][1]; Answer1Button.enabled=true; button1._visible=true;} else { button1._visible=false;}
if (2 < Answers[QuestionCounter].length){ Answer2Display.text = Answers[QuestionCounter][2]; Answer2Button.enabled=true; button2._visible=true;} else { button2._visible=false;}
if (3 < Answers[QuestionCounter].length){ Answer3Display.text = Answers[QuestionCounter][3]; Answer3Button.enabled=true; button3._visible=true;} else { button3._visible=false;}
if (4 < Answers[QuestionCounter].length){ Answer4Display.text = Answers[QuestionCounter][4]; Answer4Button.enabled=true; button4._visible=true;} else { button4._visible=false;}
if (5 < Answers[QuestionCounter].length){ Answer5Display.text = Answers[QuestionCounter][5]; Answer5Button.enabled=true; button5._visible=true;} else { button5._visible=false;}
// show image if defined
if (Images[QuestionCounter]){ loadMovie(Images[QuestionCounter],"imgContainer"); } else { }
// determine the number of points
if (NumberOfPoints[QuestionCounter]){ Points = NumberOfPoints[QuestionCounter] } else { Points = DefaultPoints }
// start counter
if (TimesForSolving[QuestionCounter]){
countdown_time = TimesForSolving[QuestionCounter]
} else {
countdown_time = DefaultTimeInSeconds
} // now call the function
counter = countdown_time;
countdown_txt.text = countdown_time;
clearInterval(intID);
intID = setInterval(countdown,1000);
}