void initProgram()
//инициализация
{
lastMousePos = new Vector2(Mouse.X, Mouse.Y);
//objects.Add(new Cube());
//objects.Add(new Cube());
GL.GenBuffers(1, out ibo_elements);
shaders.Add("default", new ShaderProgram("vs.glsl", "fs.glsl", true));
shaders.Add("textured", new ShaderProgram("vs_tex.glsl", "fs_tex.glsl", true));
activeShader = "textured";
textures.Add("opentksquare.png", loadImage("opentksquare.png"));
textures.Add("opentksquare2.png", loadImage("opentksquare2.png"));
TexturedCube tc = new TexturedCube();
tc.TextureID = textures["opentksquare.png"];
objects.Add(tc);
TexturedCube tc2 = new TexturedCube();
tc2.TextureID = textures["opentksquare2.png"];
objects.Add(tc2);
cam.Position += new Vector3(0f, 0f, 3f);
Volume obj = ObjVolume.LoadFromFile("cow.obj");
obj.TextureID = textures["opentksquare.png"];
objects.Add(obj);
Volume obj2 = ObjVolume.LoadFromFile("teapot.obj");
obj2.Position += new Vector3(0f, 2f, 0f);
objects.Add(obj2);
}
public static ObjVolume LoadFromFile(string filename)
{
ObjVolume obj = new ObjVolume();
try
{
using (StreamReader reader = new StreamReader(new FileStream(filename, FileMode.Open, FileAccess.Read)))
{
obj = LoadFromString(reader.ReadToEnd());
}
}
catch (FileNotFoundException e)
{
Console.WriteLine("File not found: {0}", filename);
}
catch (Exception e)
{
Console.WriteLine("Error loading file: {0}", filename);
}
return(obj);
}
public static ObjVolume LoadFromString(string obj)
{
List <string> lines = new List <string>(obj.Split('\n'));
List <Vector3> verts = new List <Vector3>();
List <Vector3> colors = new List <Vector3>();
List <Vector2> texs = new List <Vector2>();
List <Tuple <int, int, int> > faces = new List <Tuple <int, int, int> >();
foreach (string line in lines)
{
if (line.StartsWith("v "))
{
string temp = line.Substring(2);
temp = temp.Replace('.', ',');
Vector3 vec = new Vector3();
if (temp.Count((char c) => c == ' ') == 2)
{
string[] vertparts = temp.Split(' ');
bool success = float.TryParse(vertparts[0], out vec.X);
success |= float.TryParse(vertparts[1], out vec.Y);
success |= float.TryParse(vertparts[2], out vec.Z);
colors.Add(new Vector3((float)Math.Sin(vec.Z), (float)Math.Sin(vec.Z), (float)Math.Sin(vec.Z)));
texs.Add(new Vector2((float)Math.Sin(vec.Z), (float)Math.Sin(vec.Z)));
if (!success)
{
Console.WriteLine("Error parsing vertex: {0}", line);
}
}
verts.Add(vec);
}
else if (line.StartsWith("f "))
{
string temp = line.Substring(2);
Tuple <int, int, int> face = new Tuple <int, int, int>(0, 0, 0);
if (temp.Count((char c) => c == ' ') == 2)
{
string[] faceparts = temp.Split((' '));
int i1, i2, i3;
bool success = int.TryParse(faceparts[0], out i1);
success |= int.TryParse(faceparts[1], out i2);
success |= int.TryParse(faceparts[2], out i3);
if (!success)
{
Console.WriteLine("Error parsing face: {0}", line);
}
else
{
face = new Tuple <int, int, int>(i1 - 1, i2 - 1, i3 - 1);
faces.Add(face);
}
}
}
}
ObjVolume vol = new ObjVolume();
vol.vertices = verts.ToArray();
vol.colors = colors.ToArray();
vol.texturecoords = texs.ToArray();
vol.faces = new List <Tuple <int, int, int> >(faces);
return(vol);
}
