public _3DModelViewer()
{
InitializeComponent();
this.simpleOpenGlControl1.InitializeContexts();
Init();
try
{
file = new ThreeDSFile("./models/Airplane.3ds");
model = file.Model;
modelCenter = new Vector((file.MaxX - file.MinX) / 2 + file.MinX,
(file.MaxY - file.MinY) / 2 + file.MinY,
(file.MaxZ - file.MinZ) / 2 + file.MinZ);
// move eye so model is entirely visible at startup
modelRotation = new Vector(0, 0, 0);
// center x/y at model's center x/y
double width = file.MaxX - file.MinX;
double height = file.MaxY - file.MinY;
eye[0] = Convert.ToSingle(file.MinX + width / 2);
eye[1] = Convert.ToSingle(file.MinY + height / 2);
// use trigonometry to calculate the z value that exposes the model
eye[2] = Convert.ToSingle(file.MaxZ + (width > height ? width : height / 2) /
Math.Tan((Math.PI / 180) * 90 / 2));
}
catch (Exception ex)
{
}
}
static public void Load(Rays._3D.Scene3D s)
{
ss = s;
s.BeginFigure();
Model model = new ThreeDSFile(@"SampleScripts\fachwerk40T.3ds").ThreeDSModel;
foreach (Entity e in model.Entities)
{
foreach (Triangle t in e.indices)
{
s.ModelAdd(
new Vector3[3] {
new Vector3(e.vertices[t.vertex1].X, e.vertices[t.vertex1].Y, e.vertices[t.vertex1].Z),
new Vector3(e.vertices[t.vertex2].X, e.vertices[t.vertex2].Y, e.vertices[t.vertex2].Z),
new Vector3(e.vertices[t.vertex3].X, e.vertices[t.vertex3].Y, e.vertices[t.vertex3].Z)
},
new Vector3[3] {
new Vector3(e.normals[t.vertex1].X, e.normals[t.vertex1].Y, e.normals[t.vertex1].Z),
new Vector3(e.normals[t.vertex2].X, e.normals[t.vertex2].Y, e.normals[t.vertex2].Z),
new Vector3(e.normals[t.vertex3].X, e.normals[t.vertex3].Y, e.normals[t.vertex3].Z)
});
}
}
s.EndFigure();
s.Figs[0].Scale1(new Vector3(10, 10, 10));
InitRays(new Vector3(-100, 0, 0), 10, 50);
/*s.Add(-50, 0, -50, 50, 10, -50, 50, 20, 50);
* s.Add(-50, 0, -50, 50, 20, 50, -50, 10, 50);
*/
}
public List <Jusin.ThreeDLib.ModelBase.ModelEntityBase> importFromFile(String filename)
{
List <Jusin.ThreeDLib.ModelBase.ModelEntityBase> entities = new List <Jusin.ThreeDLib.ModelBase.ModelEntityBase>();
Model model = new ThreeDSFile(filename).ThreeDSModel;
foreach (ThirdParty.ThreeDLib.ThreeD.Entity e in model.Entities)
{
entities.Add(convertEntity(e));
}
return(entities);
}
static public void Load(Rays._3D.Scene3D s)
{
s.BeginFigure();
Model model = new ThreeDSFile(@"SampleScripts\12column-model-3d.3DS").ThreeDSModel;
foreach (Entity e in model.Entities)
{
foreach (Triangle t in e.indices)
{
s.ModelAdd(
new Vector3[3] {
new Vector3(e.vertices[t.vertex1].X, e.vertices[t.vertex1].Y, e.vertices[t.vertex1].Z),
new Vector3(e.vertices[t.vertex2].X, e.vertices[t.vertex2].Y, e.vertices[t.vertex2].Z),
new Vector3(e.vertices[t.vertex3].X, e.vertices[t.vertex3].Y, e.vertices[t.vertex3].Z)
},
new Vector3[3] {
new Vector3(e.normals[t.vertex1].X, e.normals[t.vertex1].Y, e.normals[t.vertex1].Z),
new Vector3(e.normals[t.vertex2].X, e.normals[t.vertex2].Y, e.normals[t.vertex2].Z),
new Vector3(e.normals[t.vertex3].X, e.normals[t.vertex3].Y, e.normals[t.vertex3].Z)
});
}
}
s.EndFigure();
s.Figs[0].Rotate1(Math.PI / 2, 'x');
s.Figs[0].Transpose1(new Vector3(0, 0, 0));
Tube3D tube = new Tube3D();
tube.Rays[0].Begin = new Vector3(3, -100, 2);
tube.Rays[1].Begin = new Vector3(20, -100, 2);
tube.Rays[2].Begin = new Vector3(1, -100, 20);
tube.Rays[0].End = new Vector3(3, -11, 2);
tube.Rays[1].End = new Vector3(20, -11, 2);
tube.Rays[2].End = new Vector3(1, -11, 20);
tube.Rayize();
s.InnerN = 1.5;
s.InitialRays.Add(tube);
/*s.Add(-50, 0, -50, 50, 10, -50, 50, 20, 50);
* s.Add(-50, 0, -50, 50, 20, 50, -50, 10, 50);
*/
}
private void lineTextureToolStripMenuItem_Click(object sender, EventArgs e)
{
if (open3DSDlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
var _3dsFile = new ThreeDSFile(open3DSDlg.FileName);
int uvMapCount = 0;
int uvMapLength = 500;
var pens = new Pen[] { new Pen(Color.Red), new Pen(Color.Green), new Pen(Color.Blue) };
int penIndex = 0;
foreach (var entity in _3dsFile.ThreeDSModel.Entities)
{
using (var uvMap = new Bitmap(uvMapLength, uvMapLength))
{
var graphics = Graphics.FromImage(uvMap);
if (entity.texcoords != null && entity.indices != null)
{
foreach (var triangle in entity.indices)
{
var uv1 = entity.texcoords[triangle.vertex1];
var uv2 = entity.texcoords[triangle.vertex2];
var uv3 = entity.texcoords[triangle.vertex3];
var p1 = new Point((int)(uv1.U * uvMapLength), (int)(uv1.V * uvMapLength));
var p2 = new Point((int)(uv2.U * uvMapLength), (int)(uv2.V * uvMapLength));
var p3 = new Point((int)(uv3.U * uvMapLength), (int)(uv3.V * uvMapLength));
graphics.DrawLine(pens[penIndex], p1, p2);
graphics.DrawLine(pens[penIndex], p2, p3);
graphics.DrawLine(pens[penIndex], p3, p1);
penIndex = (penIndex + 1 == pens.Length) ? 0 : penIndex + 1;
}
}
else
{
graphics.FillRectangle(new SolidBrush(Color.Gray), 0, 0, uvMapLength, uvMapLength);
}
var file = new FileInfo(open3DSDlg.FileName);
uvMap.Save(Path.Combine(file.DirectoryName,
string.Format("{0}{1}.bmp", file.Name, uvMapCount)));
graphics.Dispose();
Process.Start("explorer", file.DirectoryName);
}
}
}
}
private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this.open3DSDlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
try
{
var _3dsFile = new ThreeDSFile(this.open3DSDlg.FileName);
if (_3dsFile.ThreeDSModel.Entities == null)
{
MessageBox.Show("No entity found!");
return;
}
var builder = new StringBuilder();
int i = 1;
bool emptyVerticesFound = false, emptyIndicesFound = false, emptyTexCoordsFound = false;
foreach (var entity in _3dsFile.ThreeDSModel.Entities)
{
builder.Append("entity "); builder.Append(i++); builder.Append(":");
if (entity.vertices == null)
{
if (!emptyVerticesFound)
{
MessageBox.Show("No vertices in some entity!"); emptyVerticesFound = true;
}
}
else
{
builder.Append(" "); builder.Append(entity.vertices.Length); builder.Append(" vertices");
}
if (entity.indices == null)
{
if (!emptyIndicesFound)
{
MessageBox.Show("No faces in some entity.");
emptyIndicesFound = true;
}
}
else
{
builder.Append(" "); builder.Append(entity.indices.Length); builder.Append(" indices");
}
if (entity.texcoords == null)
{
if (!emptyTexCoordsFound)
{
MessageBox.Show("No UV in some entity.");
emptyTexCoordsFound = true;
}
}
else
{
builder.Append(" "); builder.Append(entity.texcoords.Length); builder.Append(" UVs");
}
builder.AppendLine();
}
if (i == 1)
{
builder.Append("no entity found.");
}
MessageBox.Show(builder.ToString(), "Info");
this._3dsFile = _3dsFile;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error");
}
}
}
