3 files changed, 118 insertions, 0 deletions
diff --git a/src/entities/boshy.js b/src/entities/boshy.js
new file mode 100644
index 0000000..ea6068d
--- /dev/null
+++ b/src/entities/boshy.js
@@ -0,0 +1,65 @@
+import { BOSHY } from "../assets.js"
+import { Vector } from "../engine/vector.js"
+import { Engine } from "../engine.js"
+import { BoshyBullet } from "./boshybullet.js"
+import { Entity } from "./entity.js"
+
+export class Boshy extends Entity {
+    reloadTime = 6
+    lastShot = 0
+    speed = 5
+
+    constructor() {
+        super({
+            size: new Vector(30, 30),
+            position: new Vector(325, 400),
+            sprite: BOSHY.NORMAL,
+        })
+
+        Engine.playSound(BOSHY.SOUNDS.INTRO)
+    }
+
+    update() {
+        let keys = Engine.keys
+        let viewport = Engine.screen.viewport
+
+        /* get movement direction */
+        let move = new Vector()
+        let speed = this.speed
+        if (keys.right) move.x += 1
+        if (keys.left) move.x -= 1
+        if (keys.up) move.y -= 1
+        if (keys.down) move.y += 1
+        if (keys.shoot) this.shoot()
+
+        /* apply movement */
+        move.normalize()
+        move.multiply(speed)
+        this.position.add(move)
+
+        /* check limits */
+        if (this.position.x < 0) this.position.x = 0
+        if (this.position.y < 0) this.position.y = 0
+        if (this.position.x > viewport.x) this.position.x = viewport.x
+        if (this.position.y > viewport.y) this.position.y = viewport.y
+    }
+
+    shoot() {
+        /* check if it can shoot */
+        if (Engine.frame < this.lastShot + this.reloadTime) {
+            return
+        }
+
+        this.lastShot = Engine.frame /*(reset reload)*/
+
+        let bullet_a_position = this.position.clone()
+        let bullet_b_position = this.position.clone()
+
+        bullet_a_position.x = bullet_a_position.x + 5
+        bullet_b_position.x = bullet_b_position.x - 5
+
+        new BoshyBullet(bullet_a_position)
+        new BoshyBullet(bullet_b_position)
+        Engine.playSound(BOSHY.SOUNDS.SHOOT)
+    }
+}
diff --git a/src/entities/boshybullet.js b/src/entities/boshybullet.js
new file mode 100644
index 0000000..ed91ede
--- /dev/null
+++ b/src/entities/boshybullet.js
@@ -0,0 +1,30 @@
+import { BOSHY } from "../assets.js"
+import { Vector } from "../engine/vector.js"
+import { bullets } from "../main.js"
+import { Entity } from "./entity.js"
+
+export class BoshyBullet extends Entity {
+    speed = 20
+
+    constructor(position = new Vector(0,0)) {
+        super({
+            size: new Vector(5, 5),
+            position: position.floor(),
+            sprite: BOSHY.BULLET,
+        })
+
+        bullets.list.push(this)
+    }
+
+    update() {
+        this.position.y -= this.speed
+        if (this.position.y < 0) {
+            this.span.remove()
+            bullets.remove(this)
+        }
+    }
+
+    remove() {
+        this.span.remove()
+    }
+}
diff --git a/src/entities/entity.js b/src/entities/entity.js
new file mode 100644
index 0000000..ac14d4b
--- /dev/null
+++ b/src/entities/entity.js
@@ -0,0 +1,23 @@
+import { Vector } from "../engine/vector.js"
+import { Engine } from "../engine.js"
+
+export class Entity {
+    constructor({
+        size,
+        hitbox = size,
+        sprite,
+        position = new Vector(0,0),
+    }) {
+        this.size = size
+        this.hitbox = hitbox
+        this.position = position
+
+        this.span = document.createElement("img")
+        this.span.src = sprite
+        Engine.screen.append(this.span)
+    }
+
+    draw() {
+        Engine.screen.draw(this.span, this.position, this.size)
+    }
+}