Add: alien

src/game/mouse/space_invaders/alien.js

@@ -0,0 +1,91 @@
+class Alien extends Phaser.Sprite {
+
+	constructor(initialX, initialY, onFiredFunction, onEscapedFunction) {
+		super();
+
+		this.isActivated = false;
+		this.speedGrowing = Alien.DEFAULT_SPEED_SEC;
+		this.tweenScale = null;
+
+		this.initialX = initialX;
+		this.initialY = initialY;
+
+		this.onFiredFunction = onFiredFunction;
+		this.onEscapedFunction = onEscapedFunction;
+
+		Phaser.Sprite.call(this, game, this.initialX, this.initialY, 'alien_normal');
+		this.anchor.set(0.5);
+		this.scale.set(Alien.MAX_SCALE);
+
+		this.inputEnabled = true;
+		this.events.onInputOut.add(this.onOut, this);
+		this.events.onInputOver.add(this.onOver, this);
+		this.events.onInputDown.add(this.onDown, this);
+
+		game.add.existing(this);
+	}
+
+	onOut() {
+		if(!this.isActivated)
+			return;
+
+		// console.log("onOut");
+	}
+
+	onOver() {
+		if(!this.isActivated)
+			return;
+
+		// console.log("onOver");
+	}
+
+	onDown() {
+		if(!this.isActivated)
+			return;
+
+		// console.log("onDown");
+
+		if(this.onFiredFunction)
+			this.onFiredFunction(this);
+	}
+
+
+	setActive(isActivated) {
+		let beforeState = this.isActivated;
+		this.isActivated = isActivated;
+
+		if(beforeState && !this.isActivated) {
+			this.shutdown();
+		}
+	}
+
+	shutdown() {
+		if(!this.tweenScale) {
+			this.tweenScale.stop();
+		}
+
+		this.scale.set(0);
+	}
+
+	setOnInitialPosition() {
+		this.x = this.initialX;
+		this.y = this.initialY;
+		this.scale.set(Alien.MAX_SCALE);
+	}
+
+	moveOnStage() {
+		let SPAWN_BOX_LEFT		= 100;
+		let SPAWN_BOX_WIDTH		= game.world.width - 200;
+		let SPAWN_BOX_TOP		= 300;
+		let SPAWN_BOX_HEIGHT	= game.world.height - 400;
+
+		this.x = SPAWN_BOX_LEFT + Math.random() * SPAWN_BOX_WIDTH;
+		this.y = SPAWN_BOX_TOP + Math.random() * SPAWN_BOX_HEIGHT;
+	}
+
+}
+
+
+Alien.DEFAULT_SPEED_SEC		= 1000;
+Alien.MAX_SCALE				= 3;
+