Adding new lessons that were finished in the last week.

1 files changed, 215 insertions, 0 deletions

diff --git a/examples/lessons/6_Maths_AddingAndSubtractingVariables/js/lesson.js b/examples/lessons/6_Maths_AddingAndSubtractingVariables/js/lesson.js
new file mode 100755
index 0000000..9f094ca
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+++ b/examples/lessons/6_Maths_AddingAndSubtractingVariables/js/lesson.js
@@ -0,0 +1,215 @@
+$(document).ready(function(){
+	var k = Karma({
+		audio: [{'name':'correct','file':'correct.wav'},
+			{'name':'incorrect','file':'incorrect.wav'}
+		]});
+		  
+	k.ready(function(){
+		var i,j;
+		var totalCounter;
+		var correctCounter;
+		var currentQuestion;
+		var TOTAL_QUES = 6;
+		var flag_correct;
+		var randPositions = [];
+		var check_num;
+		
+		var variableName = new Array('x','p','y','x','x','r');	
+		var perPack = new Array('16','80','25','30','15','70');	
+		var quantity = new Array('4','1','2','3','2','1');
+		var finishedQty = new Array('8','30','16','7','7','22'); 
+		
+		var answers = new Array('58','50','34','97','37','48');
+		
+	
+		var scoreboard = $('#score_box').scoreboard({'layout':'horizontal', 
+		       'winningScore': TOTAL_QUES});
+		
+		var genRandPosition=function (){
+		  	randPositions[0] = k.rand(0,TOTAL_QUES-1);
+			for(i=1; i<TOTAL_QUES; i++){
+					do{
+						flag = 0;
+						randPositions[i] = k.rand(0,TOTAL_QUES-1);
+						for(j=0; j<i; j++){
+							if(randPositions[i] === randPositions[j]){
+								flag++;
+							}
+						}
+					}while(flag != 0 );  //end of do while loop	
+				}
+		};
+		
+		var next_question = function (){
+			if(totalCounter === TOTAL_QUES){
+				t=setTimeout(function(){delay_gameOver();},1000);
+			}
+			else{
+				currentQuestion = randPositions[totalCounter];
+				currentQuestion = totalCounter;
+				flag_correct = 1;
+				check_num = 0;
+				var sign;
+				$('#linkCheck').show();
+				$('#left-side').html('<img id="img'+currentQuestion+'" src="assets/image/img'+currentQuestion+'.png" />');
+				//$('#left-side').html('<img id="img'+currentQuestion+'" src="assets/image/img0.png" />');
+				
+				$('#rightBack').css({'background':'url(assets/image/ques'+currentQuestion+'.png)'});
+				$('.bgCalculation').html('').append('<div id="textQues1"></div>');
+				$('.bgCalculation').append('<div id="textQues2"></div>');
+				
+				if(currentQuestion ===3 || currentQuestion === 4){
+					sign = '+';
+				}
+				else{
+					sign = '-';
+		
+				}
+				for( i = 0; i< quantity[currentQuestion]; i++){
+					$('#textQues1').append(variableName[currentQuestion]);
+					$('#textQues2').append('<span class="blankBoxes"></span>');
+					if(i != quantity[currentQuestion]-1){
+						$('#textQues1').append('+');
+						$('#textQues2').append('+');
+					}
+					else{						
+					
+						if(parseInt(quantity[currentQuestion]) === 1){
+							$('#textQues1').append(sign+''+finishedQty[currentQuestion]);
+							$('#textQues1').append(' = ').append(variableName[currentQuestion]);
+							$('#textQues1').append(sign+''+finishedQty[currentQuestion]);
+							$('#textQues2').append(sign+''+finishedQty[currentQuestion]);
+							$('#textQues2').append(' = ').append('<input type="text" id="text1" class="textBox" maxLength="2"/>');						
+							$('#textQues2').append(sign+''+finishedQty[currentQuestion]);
+						}
+						else{
+							$('#textQues1').append(sign+''+finishedQty[currentQuestion]);
+							$('#textQues1').append(' = ').append(quantity[currentQuestion]+' * '+variableName[currentQuestion]);
+							$('#textQues1').append(sign+''+finishedQty[currentQuestion]);
+							$('#textQues2').append(sign+''+finishedQty[currentQuestion]);
+							$('#textQues2').append(' = ').append(quantity[currentQuestion]+' *'+'<input type="text" id="text1" class="textBox" maxLength="2"/>');							
+							$('#textQues2').append(sign+''+finishedQty[currentQuestion]);
+						}
+						
+						
+					}
+					$("input#text1").focus();
+				}
+			
+	
+				foucs_blur();
+				
+			}
+			
+		};
+		
+		function game_start(){
+			$('#gameOver').hide();
+			$('#linkCheck').show();
+			$('#section').removeClass('backOpaque');
+			genRandPosition();			
+			next_question();
+		}
+		
+		function game() {
+			totalCounter = 0;	
+			correctCounter = 0;
+			$('#section').html('').append('<div id="left-side"></div>');
+			$('#section').append('<div id="right-side"></div>');
+			$('#right-side').append('<div id="rightBack"></div>');
+			$('#right-side').append('<div class="bgCalculation"></div>');
+			$('#help').hide();
+			$('#linkCheck').hide();
+			$('#gameOver').hide();
+		}
+		
+		game();
+		
+		var delay_nextQues = function(){
+			document.delayForm.delayval.value = 1;
+			next_question();
+		};
+		
+		var delay_gameOver = function(){
+			document.delayForm.delayval.value = 1;
+			$('#section').addClass('backOpaque');
+			$('#linkCheck').hide();
+			$('#gameOver').show();			
+		};
+	
+		var check_answer = function(){			
+			if(check_num === 0){
+				var textVal = $('#text1').val();
+				if(textVal === perPack[currentQuestion]){  // first one is correct
+					k.audio.correct.play();
+					$('.bgCalculation').append('<div id="textQues3"></div>');
+					$('.bgCalculation').append('<div id="textQues4"></div>');
+					$('#textQues3').append(' = &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;').append('<input type="text" id="text2" class="textBox" maxLength="3"/>');
+					$('#text1').attr("disabled", true);
+					$('.blankBoxes').css({'padding':'0'}).html(perPack[currentQuestion]);
+					check_num++;
+					$("input#text2").focus();
+					foucs_blur();
+				}		
+				else{
+					k.audio.incorrect.play();
+					flag_correct = 0;
+				}
+			}
+			else{
+				textVal =  $('#text2').val();
+				//if(textVal === perPack[currentQuestion] * quantity[currentQuestion]){
+				if(textVal === answers[currentQuestion]){
+					k.audio.correct.play();
+					if(flag_correct === 1){
+						scoreboard.scoreboard('inc');
+						correctCounter++;
+					}
+					scoreboard.scoreboard('incTotal');
+					totalCounter++;
+					t=setTimeout(function(){delay_nextQues();},1000);					
+				}					
+				else{
+					flag_correct = 0;
+					k.audio.incorrect.play();
+				}
+			}
+		};
+		
+		function foucs_blur(){
+			  
+			$('input[type="text"]')
+			.focus(function() {
+			    $(this).removeClass('incorrect').addClass("focus");
+			})
+			.blur(function() {
+			    $(this).removeClass("focus");
+			})
+			.keypress(function(event) {
+				if(event.which === 13){
+					check_answer();
+				}
+				
+			});
+			
+			$('#linkCheck').click(function(){
+				check_answer();
+			});
+		}
+		
+		$('#linkStart').click(function(){
+			game_start();
+		});
+	
+		$('#linkPlayAgain').click(function(){
+			scoreboard.scoreboard('reset');
+			game_start();		
+		});
+		$('#linkHelp').click(function(){
+			$('#help').slideDown(2000);
+		})
+		.mouseout(function(){
+			$('#help').slideUp(2000);
+		});
+	}); //end of k.ready
+});	//end of document.ready
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