Function spawnProjectile

spawnProjectile(
    x: number,
    y: number,
    dirX: number,
    dirY: number,
    speed: number,
    opts?: ProjectileOpts,
): number
Spawn a new projectile at a position, moving in a direction.
Parameters
- x: number
  Starting X position
- y: number
  Starting Y position
- dirX: number
  Horizontal direction component (will be normalized)
- dirY: number
  Vertical direction component (will be normalized)
- speed: number
  Movement speed in pixels per second
- opts: ProjectileOpts = {}
  Optional projectile settings (damage, lifetime, owner, size, color)
Returns number
The projectile entity ID
Example
```
sg.spawnProjectile(player.x, player.y, 1, 0, 300, { damage: 25 });
```
- Defined in projectiles.ts:16