public static void SpawnProjectile(Entity shooter, ParticleTemplate template)
{
//Don't spawn more particles than the set limit
if (Count() >= MaxParticles || template == null) return;
Particle projectile = new Particle(shooter.Position, template, shooter);
projectile.Rotation = shooter.Rotation;
projectile.Speed = template.GetValue<float>(ParticleValues.Speed);
projectile.Team = shooter.Team;
//Spawn projectile from gun barrel and not unit origin
projectile.X += (float)Math.Cos(shooter.Rotation) * shooter.Width/2;
projectile.Y += (float)Math.Sin(shooter.Rotation) * shooter.Width/2;
//Spawn it and add it last in our list
SpawnList.AddLast(projectile);
}
public void Render(Particle particle, int cameraOffset)
{
Rectangle target = particle.Bounds;
if (!Camera.ObjectIsVisible(target)) return;
//Calculate screen position
target.X -= (int)Camera.Position.X - cameraOffset;
target.Y -= (int)Camera.Position.Y;
//Draw it there
_spriteBatch.Draw(particle.Texture, target, null, Color.White * particle.Alpha,
particle.Rotation, new Vector2(particle.Texture.Width / 2.0f, particle.Texture.Height / 2.0f), SpriteEffects.None, 0);
}