don't trust your bundler cache

engine/system/physics.ts

@@ -511,13 +511,18 @@ export function moveAndSlide(
 	let timeLeft = 1;
 	const position = $<Vector>("position").get(id)!.value;
 
-	for (let i = 0; i < 4; i++) {
+	let i = 0;
+	while (i++ < 4 && timeLeft > 0) {
+		const deltaLeft = delta * timeLeft;
 		const collisions = moveAndCollide(id, velocity, delta);
 		if (collisions.length < 1) {
+			position.x += velocity.x * deltaLeft;
+			position.y += velocity.y * deltaLeft;
+
 			break;
 		}
 
-		let closest = collisions[0];
+		let closest = collisions.pop()!;
 		for (const collision of collisions) {
 			if (collision.time < closest.time) {
 				closest = collision;
@@ -530,16 +535,14 @@ export function moveAndSlide(
 			break;
 		}
 
-		const scalar = Math.max(0, time - EPSILON) * delta * timeLeft;
-		position.x += velocity.x * scalar;
-		position.y += velocity.y * scalar;
-
 		const dot = getDotProduct(velocity, closest.normal);
 		velocity.x -= closest.normal.x * dot;
 		velocity.y -= closest.normal.y * dot;
 
+		const scalar = Math.max(0, time - EPSILON) * deltaLeft;
+		position.x += velocity.x * scalar;
+		position.y += velocity.y * scalar;
+
 		timeLeft *= 1 - time;
 	}
-
-	scale(velocity, timeLeft);
 }

game/entities/hero/entity.ts

@@ -65,9 +65,6 @@ process((id, delta) => {
 	scale(velocity, speed());
 	moveAndSlide(id, velocity, delta);
 
-	position.x += velocity.x * delta;
-	position.y += velocity.y * delta;
-
 	velocity.x = 0;
 	velocity.y = 0;
 });