private bool skyToGroundAlgorithm(ITerrain terrain, out Vector3 position)
{
Vector3 aPoint;
Vector3 terrainPoint;
float t = 0;
while (true)
{
aPoint = this.Ray.Origin + t * this.Ray.Direction;
if (terrain.getPosition(aPoint.X, aPoint.Z, out terrainPoint))
{
if (GeneralMethods.isCloseTo(aPoint.Y, terrainPoint.Y, 1))
{
//encontramos el punto de interseccion
position = aPoint;
return true;
}
}
else if (aPoint.Y >= terrain.maxY || aPoint.Y < terrain.minY)
{
//ya nos fuimos o muy arriba o muy abajo
position = Vector3.Empty;
return false;
}
t++;
}
}
private static ILevelObject getWall(XmlNode levelObjectNode, ITerrain terrain)
{
float[] pos = TgcParserUtils.parseFloat2Array(levelObjectNode.InnerText);
Vector3 size = TgcParserUtils.float3ArrayToVector3(TgcParserUtils.parseFloat3Array(levelObjectNode.Attributes.GetNamedItem("size").InnerText));
return new Wall(terrain.getPosition(pos[0], pos[1]), size);
}
private static Commando getDefault(XmlNode commandoNode, ITerrain terrain)
{
float[] pos = TgcViewer.Utils.TgcSceneLoader.TgcParserUtils.parseFloat2Array(commandoNode.InnerText);
Commando commando = new Commando(terrain.getPosition(pos[0], pos[1]));
XmlNode pic = commandoNode.Attributes.GetNamedItem("picture");
if (pic != null)
{
commando.Picture = new CharacterPicture(CommandosUI.Instance.MediaDir + pic.InnerText);
}
return commando;
}
private static Enemy getSoldier(XmlNode enemyNode, ITerrain terrain)
{
List<Vector3> waitpoints = new List<Vector3>();
foreach (XmlNode wn in enemyNode.ChildNodes)
{
if (wn.NodeType == XmlNodeType.Element)
{
float[] pos = TgcParserUtils.parseFloat2Array(wn.InnerText);
waitpoints.Add(terrain.getPosition(pos[0], pos[1]));
}
}
return new Soldier(waitpoints.ToArray<Vector3>());
}
public FreeCamera(ITerrain terrain, bool enabled) : this()
{
this.CameraCenter = terrain.getPosition(0, 150);
this.Terrain = terrain;
this.Enable = enabled;
}
/// <summary>
/// Se fija si el terreno tapa la vista a un punto.
/// </summary>
/// <param name="terrain"></param>
/// <param name="targetPoint"></param>
/// <returns></returns>
private bool canSeeInTerrain(ITerrain terrain, Vector3 targetPoint)
{
Vector3 origin = this.Position;
Vector3 direction = targetPoint - this.Position;
float t;
for (t = 0; t < 1; t += 0.05f)
{
Vector3 aPoint = origin + t * direction;
Vector3 terrainPoint = terrain.getPosition(aPoint.X, aPoint.Z);
if (aPoint.Y < terrainPoint.Y)
return false;
}
return true;
}
private static ILevelObject getMeshObject(XmlNode levelObjectNode, ITerrain terrain, string mediaDir, Vector3 scale, Vector3 rotation)
{
float[] pos = TgcParserUtils.parseFloat2Array(levelObjectNode.InnerText);
string path = mediaDir + levelObjectNode.Attributes.GetNamedItem("mesh").InnerText;
return new MeshObject(path, terrain.getPosition(pos[0], pos[1]), scale, rotation);
}
private static ILevelObject getTree(XmlNode levelObjectNode, ITerrain terrain, Vector3 scale, Vector3 rotation)
{
float[] pos = TgcParserUtils.parseFloat2Array(levelObjectNode.InnerText);
return new Tree(terrain.getPosition(pos[0], pos[1]), scale, rotation);
}