public void Update(GameTime gameTime, float currentPhase /*, Vector3 headPos*/, float shipAngle)
{
Vector2 offset = Tunnel.GetTunnelOffset(currentPhase);
this.position = Vector3.Transform(this.up * distanceFromCentre, Matrix.CreateRotationZ(shipAngle)) + new Vector3(-offset.X, offset.Y, 0.0f);
Matrix cameraRotation = Matrix.CreateRotationZ(shipAngle + (float)Math.PI);
this.rotatedUp = Vector3.Transform(this.up, cameraRotation);
Vector3 direction = Tunnel.GetTunnelDirection(currentPhase);
direction.X = -direction.X;
//Matrix headRotationMatrix = Matrix.CreateFromAxisAngle(this.up, (float)Math.Atan(headPos.X));
//Vector3 newHeadPos = new Vector3(-1.0f * headPos.X, -1.0f * headPos.Y, 1.0f * headPos.Z);
//newHeadPos = Vector3.Transform(newHeadPos, headRotationMatrix * cameraRotation);
//newHeadPos.X *= headMovementScaleFactor.X;
//newHeadPos.Y *= headMovementScaleFactor.Y;
//newHeadPos.Z *= headMovementScaleFactor.Z;
//projects to a point far in the distance
Vector3 down = new Vector3(0.0f, -(lookAheadDistance * (float)Math.Tan(lookDownAngleDegrees * (float)Math.PI / 180.0f)), 0.0f);
this.cameraLookAt = position + (direction * lookAheadDistance) + Vector3.Transform(down, cameraRotation);
//this.cameraLookAt = Vector3.Transform(this.cameraLookAt, cameraRotation * Matrix.CreateRotationX(lookDownAngleDegrees * (float)(Math.PI / 180)));
View = Matrix.CreateLookAt(this.position /*+ newHeadPos*/, this.cameraLookAt, this.rotatedUp);
}
public void Update(GameTime gameTime, float change, float tiltAngle)
{
_tiltRotation = tiltAngle;
Angle += change;
Vector3 direction = Tunnel.GetTunnelDirection(_tunnel.CurrentPhase + _zDistance);
_position = new Vector3(0.0f, _distanceFromCenter, _zDistance);
_position = Vector3.Transform(_position, Matrix.CreateRotationZ(Angle));
Matrix m = _world * Matrix.CreateRotationZ(Angle - _tiltRotation);
m.Translation = _position + _tunnel.GetTunnelCentrePos(_zDistance);
World = m;
_tiltRotation *= 0.9f;
// update position
base.Update(gameTime);
}
public void Update(GameTime gameTime, float change, float tiltAngle)
{
_tiltRotation = tiltAngle;
Angle += change;
Vector3 direction = Tunnel.GetTunnelDirection(_tunnel.CurrentPhase + _zDistance);
//Matrix orientation = Matrix.CreateFromYawPitchRoll((float)Math.Atan(direction.X), (float)Math.Atan(-direction.Y), 0/*(Angle /*+ (float)Math.PI - this.rollAngle*/);
_position = new Vector3(0.0f, _distanceFromCenter, _zDistance);
_position = Vector3.Transform(_position, Matrix.CreateRotationZ(Angle));
Matrix m = _world * Matrix.CreateRotationZ(Angle - _tiltRotation);
m.Translation = _position + _tunnel.GetTunnelCentrePos(_zDistance);
World = m;
_tiltRotation *= 0.9f;
// update position
base.Update(gameTime);
}
public float DeltaPhase(GameTime gameTime)
{
Vector3 currentDirection = Tunnel.GetTunnelDirection(this.currentPhase);
float distanceTravelled = (float)gameTime.ElapsedGameTime.TotalMilliseconds * this.speed / 1000.0f;
float deltaDistance = distanceTravelled / (float)Tunnel.deltaResolution;
Vector3 deltaPosition;
Vector3 currentPosition = new Vector3(Tunnel.GetTunnelOffset(this.currentPhase), this.currentPhase);
for (int i = 0; i < deltaResolution; i++)
{
deltaPosition = currentDirection * deltaDistance;
Vector2 realXY = Tunnel.GetTunnelOffset(currentPhase + deltaPosition.Z);
deltaPosition.X = realXY.X;
deltaPosition.Y = realXY.Y;
currentPosition += deltaPosition;
}
return(currentPosition.Z - currentPhase);
}