Add: prev and next animal icon image in typing practice

src/game/lib/animal.js

@@ -4,6 +4,21 @@ function Animal(type, x, y) {
 	this.sprite = null;
 	this.posX = x;
 	this.posY = y;
+
+	this.sprite = game.add.sprite(this.posX, this.posY);	//, "snail_run1");	// this.spriteFrameNames.run1);
+	this.sprite.anchor.set(0.5);
+}
+
+
+Animal.prototype.setIconSprite = function(species) {
+	this.setSpecies(species);
+
+	this.spriteFrameNames = this.loadSpriteNames();
+	this.sprite.loadTexture(this.spriteFrameNames.run1);
+}
+
+Animal.prototype.setSpecies = function(species) {
+	this.species = species;
 }
 
 Animal.prototype.loadSpriteNames = function() {
@@ -17,15 +32,11 @@ Animal.prototype.loadSpriteNames = function() {
 	return spriteNames;
 }
 
-Animal.prototype.setSpecies = function(species) {
-	this.species = species;
-
-	if(this.animalType === Animal.TYPE_ICON)
-		return;
-
-	this.setupAnimation();
+Animal.prototype.setAlpha = function(value) {
+	this.sprite.alpha = value;
 }
 
+
 Animal.prototype.tweenAnimation = function(animationType) {
 	switch(animationType) {
 		case Animal.ANIMATION_TYPE_CHANGE:
@@ -41,7 +52,6 @@ Animal.prototype.tweenAnimation = function(animationType) {
 		break;
 
 	}
-
 }
 
 Animal.prototype.setupAnimation = function() {
@@ -50,18 +60,14 @@ Animal.prototype.setupAnimation = function() {
 	this.animationFrameID = 1;
 	this.animationSpeedSec =  1000 / this.species.runningFPS;
 
-	if(this.sprite === null) {
-		this.sprite = game.add.sprite(this.posX, this.posY, this.spriteFrameNames.run1);
-		this.sprite.anchor.set(0.5);
-		this.sprite.width = 150;
-		this.sprite.height = 150;
-	}
-
 	this.stopAnimation();
 	this.animateionUpdate();
 }
 
-Animal.prototype.startAnimation = function() {
+Animal.prototype.startAnimation = function(species) {
+	this.setSpecies(species);
+	this.setupAnimation();
+
 	if(this.timerEvent === null)
 		this.timerEvent = game.time.events.loop(this.animationSpeedSec, this.animateionUpdate, this);
 }
@@ -74,6 +80,8 @@ Animal.prototype.animateionUpdate = function() {
 	} else {
 		this.sprite.loadTexture(this.spriteFrameNames.run1);
 	}
+	this.sprite.width = 150;
+	this.sprite.height = 150;
 }
 
 Animal.prototype.stopAnimation = function() {