Function default

default(ecs: default, ctx: CanvasRenderingContext2D, dt: number): void
ECS system responsible for rendering all visible entities.

Handles:
- Background drawing
- Camera transform (position + zoom)
- Static sprites
- Animated sprites with frame updates
- Sprite flipping based on velocity
Parameters
- ecs: default
  The ECS world instance.
- ctx: CanvasRenderingContext2D
  Canvas 2D rendering context.
- dt: number
  Delta time (in seconds), used for animation timing.
Returns void
Remarks
- Uses the first available camera entity (if any).
- Rendering is done in world space, adjusted by camera position.
- Animation frames are advanced based on elapsed time.
- Pixel alignment is applied to reduce subpixel blurring.
- Defined in game/systems/renderSystem.ts:29