add tweening

src/entity.js

@@ -72,6 +72,10 @@ export default class Entity {
     return entityColliders.concat(terrainColliders)
   }
 
+  fixPosition() {
+    this.#position = SATX.fixCollisions(this.#position, this.collidables(), this.radius, this.game?.width, this.game?.height)
+  }
+
   isColliding(...colliders) {
     return SATX.collideObjects(this.collider, colliders)
   }
@@ -91,9 +95,12 @@ export default class Entity {
   }
 
   teleport(x, y) {
-    this.position.set(x, y)
+    const position = SATX.fixCollisions(new Vector2(x, y), this.collidables(), this.radius, this.game?.width, this.game?.height)
+    this.position.set(position.x, position.y)
   }
 
+  // TODO: unset destination on teleports, etc.
+  // TODO: recalculate path on obstructions (currently next waypoint is used)
   takeStep(distanceTraveled = 0) {
     const speed = (this.speed / (this.game?.tickBudget ?? 1000)) - distanceTraveled
     const collidables = this.collidables()
@@ -140,6 +147,7 @@ export default class Entity {
 
   update() {
     this.takeStep()
+    this.fixPosition()
   }
 
   waypoints() {