/// <summary>
/// Presune hrace na startovani pozici (0,0,0)
/// </summary>
public static void MoveToStartPosition()
{
Vector3 pos = new Vector3(-3000, 0, -3000);
pos += HeightOfEye;
Camera cam = Camera.GetCameraInstance();
Vector3 dir = cam.GetVector3LookAt() - cam.GetVector3Position();
dir.Y = 0;
RepairPositionInNonFreeLook(pos, ref pos);
//if (freeLook)
// pos += new Vector3(0, 1800, 0);
cam.SetCameraPositionVector(pos);
cam.SetCameraLookAtVector(pos + dir);
}
/// <summary>
/// Pohne s hracem o jeden krok ve smeru zadaneho uhlu
/// </summary>
/// <param name="angle">Uhel v radianech urcujici smer pohybu</param>
public static void MoveByAngle(float angle)
{
Camera cam = Camera.GetCameraInstance();
Vector3 lookat = cam.GetVector3LookAt();
Vector3 position = cam.GetVector3Position();
Matrix rotation = Matrix.RotationY(angle);
Vector3 dir = lookat - position;
if (freeLook)
{
dir.Normalize();
dir.TransformCoordinate(rotation);
dir.Normalize();
if (Math.Abs(angle - Math.PI) < 0.5)
{
dir.Y = -dir.Y;
}
else if (Math.Abs(angle - Math.PI / 2f) < 0.5 || Math.Abs(angle - Math.PI / 2f + Math.PI) < 0.5)
{
dir.Y = 0;
}
Vector3 newposition = position + (Speed * time) * dir;
Vector3 newlookAt = lookat + (Speed * time) * dir;
cam.SetCameraLookAtVector(newlookAt);
cam.SetCameraPositionVector(newposition);
return;
}
dir.Y = 0;
dir.Normalize();
dir.TransformCoordinate(rotation);
dir.Normalize();
Vector3 newPosition = position + (Speed * time) * dir;
RepairPositionInNonFreeLook(position, ref newPosition);
if (position == newPosition)
{
return;
}
Vector3 newLookAt = lookat + newPosition - position;
cam.SetCameraLookAtVector(newLookAt);
cam.SetCameraPositionVector(newPosition);
if (player == null)
{
return;
}
dir = newLookAt - newPosition;
dir.Y = 0;
dir.Normalize();
Vector3 playerPosition = newPosition;
playerPosition.Y -= HeightOfEye.Y;
playerPosition -= HeightOfEye.Z * dir;
player.SetPosition(playerPosition);
}