Add: card matching combo bonus

src/game/mouse/card_matching/game.js

@@ -56,6 +56,7 @@ var Game = {
 
 		this.initVariables();
 
+		this.comboText = new ComboText();
 
 		// game stage
 		game.stage.backgroundColor = '#4d4d4d';
@@ -105,6 +106,8 @@ var Game = {
 		this.cardCharacterIndexList;
 		this.randStageCharacterList;
 		this.randCharacterListAfterShuffling;
+
+		this.comboCount = 0;
 	},
 
 	initCardVariables: function() {
@@ -361,10 +364,14 @@ var Game = {
 			this.setOpenCardInfo(col, row);
 
 			if(this.isCardSelectEdgeAll() == true) {	// selected 2 cards
-				if(this.isSameCharacterCard() == true)		// selected same cards
+				if(this.isSameCharacterCard() == true) {		// selected same cards
 					this.clearSameTwoCards();
-				else										// selected different cards
+					this.increaseComboCount();
+					this.addComboBonus();
+				} else {										// selected different cards
 					this.resetDifferentTwoCards();
+					this.resetComboBonus();
+				}
 			}
 		}
 
@@ -500,6 +507,24 @@ var Game = {
 
 
 
+	increaseComboCount: function() {
+		this.comboCount++;
+	},
+
+	addComboBonus: function() {
+		if(this.comboCount < 2)
+			return;
+
+		var comboBonusScore = this.comboCount * 10;
+		this.comboText.show(this.comboCount, comboBonusScore);
+	},
+
+	resetComboBonus: function() {
+		this.comboCount = 0;
+	},
+
+
+
 	setOpenCardInfo: function(col, row) {
 		var cardIndex = this.getCardIndex(col, row);