make projectiles use bounding boxes too

src/entity.js

@@ -25,6 +25,7 @@ export default class Entity {
   visualRadius = null
 
   #attacking = false
+  #colliders = []
   #dest = null
   #game = null
   #logic = null
@@ -123,6 +124,8 @@ export default class Entity {
     if (this.visualRadius == null) {
       this.visualRadius = this.radius
     }
+
+    this.#calculateCollider()
   }
 
   get attacking() { return this.#attacking }
@@ -256,11 +259,11 @@ export default class Entity {
   }
 
   collider() {
-    return Entity.collider(this.position.x, this.position.y, this.radius)
+    return this.#colliders.at(0)
   }
 
   colliders() {
-    return [this.collider()]
+    return this.#colliders
   }
 
   cooldown(id) {
@@ -329,7 +332,10 @@ export default class Entity {
   }
 
   fixPosition() {
-    this.position = this.fixFuturePosition(this.position.clone()).clone()
+    const fixedPosition = this.fixFuturePosition(this.position)
+    if (this.position.equals(fixedPosition)) { return }
+
+    this.setPosition(fixedPosition)
   }
 
   fixFuturePosition(futurePosition) {
@@ -400,14 +406,18 @@ export default class Entity {
   }
 
   respawn() {
-    this.position = this.#spawnPosition.clone()
+    this.setPosition(this.#spawnPosition)
     this.health = this.maxHealth
     this.dead = false
   }
 
+  setPosition(vector) {
+    this.position.copy(vector)
+    this.#calculateCollider()
+  }
+
   teleport(cursor) {
-    this.position = cursor.clone()
-    this.fixPosition()
+    this.setPosition(this.fixFuturePosition(cursor))
   }
 
   update() {
@@ -425,8 +435,6 @@ export default class Entity {
     if (this.#logic != null) {
       this.#logic()
     }
-
-    this.#calculateBbox()
   }
 
   waypoints() {
@@ -456,6 +464,11 @@ export default class Entity {
     this.bbox[3] = this.position.x - this.radius
   }
 
+  #calculateCollider() {
+    this.#calculateBbox()
+    this.#colliders = [Entity.collider(this.position.x, this.position.y, this.radius)]
+  }
+
   #cast() {
     if (this.casting == null) {
       return false
@@ -574,7 +587,7 @@ export default class Entity {
       this.rotation = rotation
 
       if (!this.willCollide(position)) {
-        this.position.copy(position)
+        this.setPosition(position)
       }
 
       if (this.position.equals(destination)) {