public override void Update(float elapsedSeconds)
{
foreach (Entity e in this.actives.Values)
{
TransformComponent transform = e.GetComponent <TransformComponent>();
MotionComponent motion = e.GetComponent <MotionComponent>();
TargetComponent target = e.GetComponent <TargetComponent>();
System.Diagnostics.Debug.Assert(transform != null, "PositionComponent not found");
System.Diagnostics.Debug.Assert(motion != null, "VelocityComponent not found");
System.Diagnostics.Debug.Assert(target != null, "TargetComponent not found");
if (EntityWorld.EntityManager.IsAlive(target.TargetId))
{
TransformComponent targetTransform = this.EntityWorld.ComponentManager.GetComponent <TransformComponent>(target.TargetId);
if (targetTransform != null)
{
Vector2 delta = targetTransform.Position - transform.Position;
float destinationDirection = VectorExtensions.Vector2ToAngle(delta);
int accelFactor = 10;
float newRotation = MathExtensions.LerpAngle(MathHelper.WrapAngle(transform.Rotation), MathHelper.WrapAngle(destinationDirection), /*0.1f*/ 2 * elapsedSeconds);
transform.Rotation = newRotation;
motion.AddAcceleration(VectorExtensions.AngleToVector2(transform.Rotation) * GameConfig.Projectile.Velocity * accelFactor);
//motion.AddAngularAcceleration((destinationDirection - transform.Rotation) * 0.5f);
}
}
//else
//{
// //target lost
// motion.AddAcceleration(VectorExtensions.AngleToVector2(transform.Rotation) * GameConfig.Projectile.Velocity * accelFactor);
//}
}
}
private bool RepellFromBorderInward(Entity e, float acceleration)
{
TransformComponent transform = e.GetComponent <TransformComponent>();
MotionComponent motion = e.GetComponent <MotionComponent>();
motion.AddAcceleration(Vector2.Normalize(GameConfig.PlayArea.Center.ToVector2() - transform.Position) * acceleration);
return(true);
}
public override void Update(float elapsedSeconds)
{
foreach (Entity e in this.actives.Values)
{
TransformComponent transform = e.GetComponent <TransformComponent>();
MotionComponent motion = e.GetComponent <MotionComponent>();
AccelerationComponent acceleration = e.GetComponent <AccelerationComponent>();
IntentComponent intent = e.GetComponent <IntentComponent>();
System.Diagnostics.Debug.Assert(transform != null, "PositionComponent not found");
System.Diagnostics.Debug.Assert(motion != null, "VelocityComponent not found");
System.Diagnostics.Debug.Assert(acceleration != null, "MotionComponent not found");
System.Diagnostics.Debug.Assert(intent != null, "IntentComponent not found");
if (intent.IntentManager.HasIntent(Intent.Accelerate))
{
// add force to center of object;
// TODO: add rocketengine/boostercomponent with offset from origin
motion.AddAcceleration(VectorExtensions.AngleToVector2(transform.Rotation) * acceleration.AccelerationFactor);
}
if (intent.IntentManager.HasIntent(Intent.Decelerate))
{
motion.Drag = 0.05f;
}
else
{
motion.Drag = 0.005f; //stop after a while
}
if (intent.IntentManager.HasIntent(Intent.RotateLeft))
{
motion.AngularDrag = 0f;
motion.AddAngularAcceleration(-acceleration.RotationAccelerationFactor);
}
if (intent.IntentManager.HasIntent(Intent.RotateRight))
{
motion.AngularDrag = 0f;
motion.AddAngularAcceleration(acceleration.RotationAccelerationFactor);
}
if (!(intent.IntentManager.HasIntent(Intent.RotateLeft) || intent.IntentManager.HasIntent(Intent.RotateRight)))
{
motion.AngularDrag = 0.75f;
}
}
}