initial commit

app/Game/Entities/WitchProjectile.php

@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Game\Entities;
+
+use App\Game\EntityList;
+use App\Game\GameObject;
+use App\Game\Room;
+use App\Game\Vector2;
+
+final class WitchProjectile extends GameObject
+{
+    private EntityList $container;
+
+    private Room $room;
+
+    public float $size;
+
+    /** @var array<float> */
+    public array $color;
+
+    private float $time = 0.0;
+
+    public function __construct(
+        float $x,
+        float $y,
+        Vector2 $direction,
+        EntityList $container,
+        Room $room,
+        float $speed = 220.0,
+        float $size = 12.0,
+        array $color = [0.7, 0.2, 1.0, 1.0],
+    ) {
+        parent::__construct($x, $y);
+        $this->container = $container;
+        $this->room = $room;
+        $this->velocity = $direction->mulS($speed);
+        $this->size = $size;
+        $this->color = $color;
+        $this->width = $size;
+        $this->height = $size;
+    }
+
+    public function kind(): string
+    {
+        return 'projectile';
+    }
+
+    public function update(float $dt): void
+    {
+        parent::update($dt);
+        $this->time += $dt;
+
+        if (
+            $this->pos->x < -$this->size
+            || $this->pos->x > $this->room->width + $this->size
+            || $this->pos->y < -$this->size
+            || $this->pos->y > $this->room->height + $this->size
+        ) {
+            $this->container->remove($this);
+        }
+    }
+
+    public function toSnapshot(): array
+    {
+        return [
+            'eid' => $this->eid,
+            'd' => $this->kind(),
+            'x' => round($this->pos->x, 1),
+            'y' => round($this->pos->y, 1),
+            'vx' => round($this->velocity->x, 1),
+            'vy' => round($this->velocity->y, 1),
+            's' => $this->size,
+        ];
+    }
+}