/// <summary>
///
/// </summary>
/// <param name="terrain"></param>
public void Translate(JPerlinTerrain terrain)
{
float distance = currentSpeed * JGameWindow.Delta;
float dX = distance * (Orientation.X / Orientation.Length);
float dZ = distance * (Orientation.Z / Orientation.Length);
upwardSpeed += GRAVITY * JGameWindow.Delta;
base.IncreasePosition(dX, upwardSpeed * JGameWindow.Delta, dZ);
float terrainHeight = terrain.GetHeightOfTerrain(base.Position.X, base.Position.Z);
if (base.Position.Y < terrainHeight)
{
upwardSpeed = 0;
isInAir = false;
base.Position = new Vector3(Position.X, terrainHeight, Position.Z);
}
}
/// <summary>
/// Determine whether point falls below Terrain.
/// </summary>
/// <param name="point"></param>
/// <returns></returns>
private Boolean IsUnderGround(Vector3 point)
{
JPerlinTerrain terrain = GetTerrain(point.X, point.Z);
float height = 0;
if (terrain != null)
{
height = terrain.GetHeightOfTerrain(point.X, point.Z);
}
if (point.Y < height)
{
return(true);
}
else
{
return(false);
}
}