add skillshots

src/ability.js

@@ -0,0 +1,20 @@
+import { Vector2 } from 'three'
+import Projectile from './projectile.js'
+
+export default class Ability {
+  static skillshot({ range, radius, speed, onCollide, after }) {
+    return function(x, y) {
+      console.log(this)
+      const projectile = new Projectile()
+      const destination = this.position.clone().add(new Vector2(x, y).sub(this.position).normalize().multiplyScalar(range))
+      projectile.owner = this.id
+      projectile.position.copy(this.position)
+      projectile.destination = destination
+      projectile.radius = radius
+      projectile.speed = speed
+      projectile.after = after
+      projectile.onCollide = onCollide
+      this.game?.spawnProjectile(projectile)
+    }
+  }
+}