/// <summary>
/// Constructor or added a new light to the scene
/// </summary>
/// <param name="type">the light type you wish to have or default of point</param>
public LightClass(string type = "Point")
{
if (type == LightType.Point.ToString())
{
light.Type = LightType.Point;
light.Diffuse = Color.White;
light.Ambient = Color.White;
light.Specular = Color.White;
light.Position = Vector3.Zero;
light.Range = 100.0f;
}
else if (type == LightType.Directional.ToString())
{
light.Type = LightType.Directional;
light.Direction = Vector3.Zero;
light.Ambient = Color.White;
light.Diffuse = Color.White;
light.Specular = Color.White;
light.Range = 100.0f;
}
isLightEnabled = false;
Type = type.ToString();
Name = Type;
Position = Vector3.Zero;
Direction = Vector3.Zero;
world = Matrix.Identity;
//mesh = Mesh.CreateSphere(Engine.GameEngine.LocalDevice.LocalDevice, .1f, 10, 10);
MeshObject = new MeshClass(MeshType.Sphere);
material.Diffuse = Color.White;
material.Ambient = Color.White;
Engine.GameEngine.LocalDevice.ThisDevice.Material = material;
}
public GameObject(string type = "Cube")
{
if (type.ToLower().Equals("triangle"))
{
MeshObject = new MeshClass(MeshType.Triangle);
}
else
{
MeshObject = new MeshClass(MeshType.Cube);
}
Name = type;
}
/// <summary>
///
/// </summary>
/// <param name="mousePosition"></param>
/// <param name="mesh"></param>
/// <returns></returns>
public bool RayIntersection(Vector2 mousePosition, MeshClass mesh)
{
Vector3 mouse = new Vector3();
mouse.X = (((2.0f * mousePosition.X) / Engine.GameEngine.LocalDevice.ThisDevice.Viewport.Width) - 1) / projection.M11;
mouse.Y = -(((2.0f * mousePosition.Y) / Engine.GameEngine.LocalDevice.ThisDevice.Viewport.Height) - 1) / projection.M22;
mouse.Z = 1.0f;
Matrix worldView = View * Engine.GameEngine.LocalDevice.ThisDevice.GetTransform(TransformState.World);
Matrix m = new Matrix();
m = Matrix.Invert(worldView);
Vector3 direction = new Vector3();
direction.X = mouse.X * m.M11 + mouse.Y * m.M21 + mouse.Z * m.M31;
direction.Y = mouse.X * m.M12 + mouse.Y * m.M22 + mouse.Z * m.M32;
direction.Z = mouse.X * m.M13 + mouse.Y * m.M23 + mouse.Z * m.M33;
mouse.X = m.M41;
mouse.Y = m.M42;
mouse.Z = m.M43;
Ray selectionRay = new Ray(mouse, direction);
if (mesh != null)
{
return mesh.ObjectMesh.Intersects(selectionRay);
}
return false;
}
/// <summary>
/// Constructor for building a .x object
/// </summary>
/// <param name="fileName">The file name of the object</param>
/// <param name="path">The path of the object</param>
public GameObject(string fileName = "", string path = "")
{
MeshObject = new MeshClass(path, fileName);
FileName = fileName;
FilePath = path;
}