public static void initialize_particle(List <Particle> p, int particle_template, float duration, double angle, int start_x, int start_y, int pbounces, bool allow_pass, Display d)
{
//angle is passed in degrees, need to convert it to radions
//angle = Math.PI * (angle / 180.0);
p.Sort((x, y) => y.enabled.CompareTo(x.enabled));
int use_id = -1;
for (int x = 0; x < p.Count; x++)
{
if (p[x].enabled == false)
{
use_id = x;
x = p.Count + 1;
}
}
if (use_id == -1 && p.Count < 1500)
{
p.Add(new Particle());
use_id = p.Count - 1;
}
if (use_id != -1)
{
p[use_id].enabled = true;
p[use_id].particle_id = particle_template;
p[use_id].sec_run = duration;
p[use_id].world_loc.X = start_x;
p[use_id].world_loc.Y = start_y;
p[use_id].bounces = pbounces;
p[use_id].orient_angle = (float)angle;
p[use_id].orient = true;
p[use_id].pass_through = allow_pass;
p[use_id].inertia.X = (float)Math.Cos(angle) * Exilania.particle_manager.particles[particle_template].speed;
p[use_id].inertia.Y = (float)Math.Sin(angle) * Exilania.particle_manager.particles[particle_template].speed;
p[use_id].center = new Vector2(Exilania.particle_manager.particles[p[use_id].particle_id].image.Width / 2,
Exilania.particle_manager.particles[p[use_id].particle_id].image.Height / 2);
p[use_id].orient_angle = (float)Math.Atan2(p[use_id].inertia.Y, p[use_id].inertia.X);
}
}