add catching up mechanic for ticks

src/projectile.js

@@ -5,25 +5,35 @@ import Entity from './entity.js'
 
 export default class Projectile {
   id = crypto.randomUUID()
-  after = null // TODO: hide from reports but keep public
+
   bbox = new Float32Array(4)
   height = 50
-  memory = {} // TODO: hide from reports but keep public
-  onCollide = null // TODO: hide from reports but keep public
-  owner = null // TODO: only keep an ID
+  memory = {}
+  owner = null
   position = new Vector2()
   radius = 5
   speed = 1000
   visualRadius = null
 
+  #after = null
   #dest = null
   #homingTarget = null
+  #logic = null
+  #onCollide = null
   #game = null
 
+  get after() { return this.#after }
   get game() { return this.#game }
-  set game(value) { this.#game = value }
+  get homingTarget() { return this.#homingTarget }
+  get logic() { return this.#logic }
+  get onCollide() { return this.#onCollide }
+
+  set after(value) { this.#after = value }
   set destination(value) { this.#dest = value }
+  set game(value) { this.#game = value }
   set homingTarget(value) { this.#homingTarget = value }
+  set logic(value) { this.#logic = value }
+  set onCollide(value) { this.#onCollide = value }
 
   get destination() {
     return this.#dest ?? this.#homingTarget?.position
@@ -53,6 +63,9 @@ export default class Projectile {
     this.#move()
     this.#checkStationaryCollisions()
     this.#checkIfArrived()
+    if (this.#logic != null) {
+      this.#logic()
+    }
   }
 
   #calculateBbox() {
@@ -66,15 +79,15 @@ export default class Projectile {
     if (this.destination == null) { return }
     if (!this.position.equals(this.destination)) { return }
 
-    if (this.after != null) {
-      this.after(this, this.#homingTarget)
+    if (this.#after != null) {
+      this.#after(this, this.#homingTarget)
     }
 
     this.despawn()
   }
 
   #checkStationaryCollisions() {
-    if (this.onCollide == null) { return }
+    if (this.#onCollide == null) { return }
 
     const bbox = this.bbox
     const entitiesAndTerrains = this.game?.entities ?? []
@@ -82,7 +95,7 @@ export default class Projectile {
     if (bboxCheckedObstacles.length > 0) {
       const colliders = bboxCheckedObstacles.map((it) => it.colliders()).flat()
       const collider = this.collider()
-      colliders.filter((it) => SATX.collideObject(collider, it)).forEach((it) => this.onCollide(this, it))
+      colliders.filter((it) => SATX.collideObject(collider, it)).forEach((it) => this.#onCollide(this, it))
     }
   }
 
@@ -99,14 +112,14 @@ export default class Projectile {
       this.position.add(step)
     }
 
-    if (this.onCollide != null) {
+    if (this.#onCollide != null) {
       const bbox = Entity.tunnelBbox(position.x, position.y, destination.x, destination.y, this.radius)
       const entitiesAndTerrains = this.game?.entities ?? []
       const bboxCheckedObstacles = entitiesAndTerrains.filter((it) => SATX.bboxCheck(bbox, it.bbox))
       if (bboxCheckedObstacles.length > 0) {
         const colliders = bboxCheckedObstacles.map((it) => it.colliders()).flat()
         const collider = Entity.tunnelCollider(prevPos.x, prevPos.y, this.position.x, this.position.y, this.radius)
-        colliders.filter((it) => SATX.collideObject(collider, it)).forEach((it) => this.onCollide(this, it))
+        colliders.filter((it) => SATX.collideObject(collider, it)).forEach((it) => this.#onCollide(this, it))
       }
     }
   }