private void CreateProjectile()
{
for (int cntr = 0; cntr < 30; cntr++)
{
Projectile projectile = new Projectile(StaticRandom.NextDouble(.1, .5), 1000, new Point3D(15, 0, 0) + Math3D.GetRandomVector_Circular(3), _world, _material_Projectile, _itemOptions.Projectile_Color);
projectile.PhysicsBody.AngularVelocity = Math3D.GetRandomVector_Spherical(6);
_map.AddItem(projectile);
}
}
public Vector3D Fire()
{
if(this.IsDestroyed)
{
return new Vector3D(0, 0, 0);
}
#region Pull ammo
var projProps = _projectileProps;
if (projProps == null)
{
// The caliber hasn't been set yet (a default is set in the constructor, so this should never happen)
return new Vector3D(0, 0, 0);
}
IContainer ammo = this.Ammo;
if (ammo == null)
{
// No ammo
return new Vector3D(0, 0, 0);
}
// Pull from ammo
if (ammo.RemoveQuantity(projProps.AmountToPull, true) > 0)
{
// Not enough ammo
return new Vector3D(0, 0, 0);
}
#endregion
#region Get position/direction
// Model coords
Point3D modelPosition = this.Design.Position;
double length = this.Design.Scale.Z / 2d;
length *= 3; // make it a bit longer so it doesn't collide with the gun
Vector3D modelDirection = new Vector3D(0, 0, length);
// World coords
var worldLoc = GetWorldLocation();
var worldSpeed = GetWorldSpeed(null);
Vector3D worldDirection = worldLoc.Item2.GetRotatedVector(modelDirection);
Vector3D worldDirectionUnit = worldDirection.ToUnit();
Point3D worldPosition = worldLoc.Item1 + worldDirection;
#endregion
// Create the projectile
Projectile projectile = new Projectile(projProps.Radius, projProps.Mass, worldPosition, _world, _material_Projectile, _itemOptions.Projectile_Color, projProps.MaxAge, _map);
projectile.PhysicsBody.Velocity = worldSpeed.Item1 + (worldDirectionUnit * projProps.Speed);
projectile.PhysicsBody.AngularVelocity = worldDirectionUnit * 5; // add a little spin along the direction of travel (emulate rifling)
_map.AddItem(projectile);
// Calculate Kick
//TODO: May want to add a bit extra to emulate the expanding gas pushing the gun bag after the bullet leaves the barrel
double mult = 1000;
//return -worldDirectionUnit * projProps.Speed * projProps.Mass * mult;
return _kickDirectionUnit * projProps.Speed * projProps.Mass * mult;
}
