despawn projectile instead of weird movement

src/ability.js

@@ -37,11 +37,8 @@ export default class Ability {
     effect: function straightShotEffect(caster, cursor) {
       const ability = this
       const straightShotCollision = function straightShotCollision(projectile, collidingEntity) {
-        if (!projectile.memory.hit) {
-          collidingEntity.damage(ability.damage)
-          projectile.memory.hit = true
-          projectile.destination = collidingEntity.position.clone()
-        }
+        collidingEntity.damage(ability.damage)
+        projectile.despawn()
       }
 
       const projectile = new Projectile({