public void Clear()
{
SpeedModifier = 1.0f;
Loft = 0.0f;
Strength = 0.0f;
CreatableId = Guid.Empty;
Pronoun = PronounModifier.Pronouns.None;
Reset = ResetModifier.Resets.None;
Color = Classification.Colors.None;
Pitch = PitchModifier.PitchDirections.None;
Turn = TurnModifier.TurnDirections.None;
Make = MakeObjectModifier.MakeObjects.None;
Item = ObjectModifier.ModifierObjects.None;
TaskId = TaskModifier.TaskIds.SIZEOF;
Direction = Programming.Directions.None;
Facial = Face.FaceState.NotApplicable;
ExpressEmitter = ExpressModifier.Emitters.NotApplicable;
Verb = GameThing.Verbs.None;
MissileBehavior = MissileChassis.BehaviorFlags.TerrainFollowing;
Constraints = ConstraintModifier.Constraints.None;
SoundUpid = String.Empty;
Points = 0;
PlayerIndex = GamePadSensor.PlayerId.Dynamic;
ScoreBucket = ScoreBucket.NotApplicable;
}
} // end of Setup()
/// <summary>
/// c'tor for use when targetting a point in space rather than an object.
/// </summary>
/// <param name="position"></param>
/// <param name="targetPosition"></param>
/// <param name="launcher"></param>
/// <param name="verbPayload"></param>
/// <param name="trackingMode"></param>
/// <param name="color"></param>
/// <returns></returns>
static public CruiseMissile Create(
Vector3 position, // Starting position.
Vector3 targetPosition, // Location we're trying to hit.
GameActor launcher, // Actor that launched this missile.
float initialRotation, //
GameThing.Verbs verbPayload,
int damage,
MissileChassis.BehaviorFlags behavior,
Classification.Colors color,
float desiredSpeed,
float missileLifetime,
bool wantSmoke)
{
CruiseMissile cm = NextAvailable();
cm.Setup(
position,
launcher,
initialRotation,
verbPayload,
damage,
behavior,
color,
desiredSpeed,
wantSmoke);
//Vector3 forward = Vector3.Normalize(targetPosition - position);
//Vector3 side = Vector3.Cross(Vector3.UnitZ, forward);
//if (side.LengthSquared() < 0.01f)
//{
// side = Vector3.Cross(Vector3.UnitY, forward);
//}
//side.Normalize();
//Vector3 up = Vector3.Normalize(Vector3.Cross(forward, side));
//Matrix l2w = Matrix.Identity;
//l2w.Right = forward;
//l2w.Up = up;
//l2w.Forward = side;
//l2w.Translation = position;
//cm.Movement.LocalMatrix = l2w;
MissileChassis missileChassis = cm.Chassis as MissileChassis;
Vector3 direction = targetPosition - launcher.WorldCollisionCenter;
Vector3 delta = Vector3.Normalize(direction);
float desiredPitch = (float)(Math.Atan2(delta.Z, new Vector2(delta.X, delta.Y).Length()));
missileChassis.PitchAngle = desiredPitch;
missileChassis.DeathTime = Time.GameTimeTotalSeconds + missileLifetime * 1.1f;
missileChassis.TargetPosition = position + delta * desiredSpeed * missileLifetime * 10f;
missileChassis.TargetObject = null;
return(cm);
} // end of CruiseMissile Create
} // end of CruiseMissile Create
/// <summary>
/// c'tor to use when shooting at a particular object
/// </summary>
/// <param name="position"></param>
/// <param name="targetPosition"></param>
/// <param name="targetThing"></param>
/// <param name="launcher"></param>
/// <param name="verbPayload"></param>
/// <param name="trackingMode"></param>
/// <param name="color"></param>
/// <returns></returns>
static public CruiseMissile Create(
Vector3 position, // Starting position.
GameThing targetThing, // Object we're trying to hit.
GameActor launcher, // Actor that launched this missile.
float initialRotation, //
GameThing.Verbs verbPayload,
int damage,
MissileChassis.BehaviorFlags behavior,
Classification.Colors color,
float desiredSpeed,
float missileLifetime,
bool wantSmoke)
{
CruiseMissile cm = NextAvailable();
cm.Setup(
position,
launcher,
initialRotation,
verbPayload,
damage,
behavior,
color,
desiredSpeed,
wantSmoke);
MissileChassis missileChassis = cm.Chassis as MissileChassis;
// Set initial speed taking into account the velocity of the launcher.
Vector3 missileVelocity = new Vector3((float)Math.Cos(initialRotation), (float)Math.Sin(initialRotation), 0);
float dot = Vector3.Dot(missileVelocity, launcher.Movement.Velocity);
missileChassis.Speed = Math.Max(desiredSpeed, dot);
missileChassis.DeathTime = Time.GameTimeTotalSeconds + missileLifetime;
missileChassis.TargetPosition = targetThing.WorldCollisionCenter;
missileChassis.TargetObject = targetThing;
return(cm);
} // end of CruiseMissile Create
private void Setup(Vector3 position, // Starting position.
GameActor launcher, // Actor that launched this missile.
float initialRotation,
GameThing.Verbs verbPayload,
int damage,
MissileChassis.BehaviorFlags behavior,
Classification.Colors color,
float desiredSpeed,
bool wantSmoke)
{
smokeEnabled = wantSmoke;
// Or, we could change the sound to something other than the rumble.
if (!smokeEnabled)
{
XmlActorParams.IdleSoundName = null;
}
MissileChassis missileChassis = Chassis as MissileChassis;
missileChassis.Missile = this;
missileChassis.Launcher = launcher;
missileChassis.VerbPayload = verbPayload;
missileChassis.Damage = damage;
missileChassis.Behavior = behavior;
missileChassis.Rotation = initialRotation;
missileChassis.DesiredSpeed = desiredSpeed;
Mass = 10.0f;
Movement.Position = position;
// Calculate initial missile speed.
float initialSpeed = desiredSpeed;
Vector3 gunVel = launcher.Movement.Velocity;
Vector3 shotVel = new Vector3((float)Math.Cos(initialRotation), (float)Math.Sin(initialRotation), 0f) * initialSpeed;
if (gunVel.X != 0 || gunVel.Y != 0)
{
// Add in some of the launcher's velocity. Missile will
// gradually adjust its speed to its desired velocity.
Vector3 gunVelNorm = Vector3.Normalize(gunVel);
Vector3 shotVelNorm = Vector3.Normalize(shotVel);
float dot = Vector3.Dot(gunVelNorm, shotVelNorm);
Vector3 proj = gunVel * dot;
initialSpeed = proj.Length() * MyMath.Direction(dot);
}
// Don't allow initial speed to be negative because it looks odd.
missileChassis.Speed = Math.Max(desiredSpeed, initialSpeed);
classification.Color = color;
InitSmokeEmitter(Classification.ColorVector4(classification.Color));
InitMuzzleFlash(Classification.ColorVector4(classification.Color), 2.0f, 8.0f);
missileChassis.IgnoreGlassWalls = true;
missileChassis.Feelers.Clear(); // Don't want missiles to hit glass walls.
// Register for collisions.
//InGame.inGame.RegisterCollide(this);
} // end of Setup()
