/// <summary>
/// Creates a fusee-compatible mesh from a Jometri geometry
/// </summary>
/// <param name="geometry">The triangulated Jometri geometry, saved in a doubly connected edge list</param>
public JometriMesh(Jometri.Geometry geometry)
{
ConvertToMesh(geometry, out var vertices, out var triangles, out var normals);
Vertices = vertices;
Triangles = triangles;
Normals = normals.ToArray();
}
//Geometry has to be triangulated! Translates a Jometri.Geometry into a Fusee.Mesh.
private static void ConvertToMesh(Jometri.Geometry geometry, out float3[] vertices, out ushort[] triangles, out List <float3> normals)
{
var faces = geometry.GetAllFaces().ToList();
if (faces[0].Handle == 1)
{
faces.RemoveAt(0);
}
var triangleCount = faces.Count;
var vertCount = triangleCount * 3;
var verts = new List <float3>();
vertices = new float3[vertCount];
triangles = new ushort[vertCount];
normals = new List <float3>();
foreach (var face in faces)
{
if (face.Handle == 1)
{
continue;
}
var faceVerts = geometry.GetFaceVertices(face.Handle).ToList();
if (faceVerts.Count > 3)
{
throw new ArgumentException("Invalid triangle - face has more than 3 Vertices");
}
foreach (var vertex in faceVerts)
{
verts.Add(vertex.VertData.Pos);
if (face.FaceData.FaceNormal == float3.Zero)
{
geometry.SetFaceNormal(geometry.GetFaceOuterVertices(face.Handle).ToList(), face);
}
normals.Add(face.FaceData.FaceNormal);
}
}
for (var i = 0; i < vertices.Length; i++)
{
vertices[i] = verts[i];
triangles[i] = (ushort)i;
}
}
// Init is called on startup.
public override void Init()
{
var fontLato = AssetStorage.Get <Font>("Lato-Black.ttf");
var vladimir = AssetStorage.Get <Font>("VLADIMIR.TTF");
var gnuSerif = AssetStorage.Get <Font>("GNU-FreeSerif.ttf");
_text = "FUSEE ThreeDFont Example";
_threeDFontHelper = new ThreeDFontHelper(_text, fontLato);
var outlinesLato = _threeDFontHelper.GetTextOutlinesWAngle(20);
var geomLato = new Jometri.Geometry(outlinesLato);
geomLato.Extrude2DPolygon(2000, false);
geomLato.Triangulate();
_textMeshLato = new JometriMesh(geomLato);
_threeDFontHelper = new ThreeDFontHelper(_text, vladimir);
var outlinesVlad = _threeDFontHelper.GetTextOutlinesWAngle(7);
var geomVlad = new Jometri.Geometry(outlinesVlad);
geomVlad.Extrude2DPolygon(200, false);
geomVlad.Triangulate();
_textMeshVlad = new JometriMesh(geomVlad);
_threeDFontHelper = new ThreeDFontHelper(_text, gnuSerif);
var outlinesGnu = _threeDFontHelper.GetTextOutlinesWAngle(40);
var geomGnu = new Jometri.Geometry(outlinesGnu);
//geomVlad.Extrude2DPolygon(200, false);
geomGnu.Triangulate();
_textMeshGnu = new JometriMesh(geomGnu);
////////////////// Fill SceneNode ////////////////////////////////
var parentNode = new SceneNode
{
Components = new List <SceneComponent>(),
Children = new ChildList()
};
var parentTrans = new Transform
{
Rotation = float3.Zero,
Scale = new float3(0.01f, 0.01f, 0.01f),
Translation = new float3(0, 0, 10)
};
parentNode.Components.Add(parentTrans);
//Vladimir
var sceneNodeCVlad = new SceneNode {
Components = new List <SceneComponent>()
};
var meshCVlad = new Mesh
{
Vertices = _textMeshVlad.Vertices,
Triangles = _textMeshVlad.Triangles,
Normals = _textMeshVlad.Normals,
};
var tranCVlad = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(0, 2000, 0)
};
sceneNodeCVlad.Components.Add(tranCVlad);
sceneNodeCVlad.Components.Add(meshCVlad);
//Lato
var sceneNodeCLato = new SceneNode {
Components = new List <SceneComponent>()
};
var meshCLato = new Mesh
{
Vertices = _textMeshLato.Vertices,
Triangles = _textMeshLato.Triangles,
Normals = _textMeshLato.Normals,
};
var tranCLato = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(0, 0, 0)
};
sceneNodeCLato.Components.Add(tranCLato);
sceneNodeCLato.Components.Add(meshCLato);
//GNU
var sceneNodeCGnu = new SceneNode {
Components = new List <SceneComponent>()
};
var meshCGnu = new Mesh
{
Vertices = _textMeshGnu.Vertices,
Triangles = _textMeshGnu.Triangles,
Normals = _textMeshGnu.Normals,
};
var tranCGnu = new Transform
{
Rotation = float3.Zero,
Scale = float3.One,
Translation = new float3(0, -2000, 0)
};
sceneNodeCGnu.Components.Add(tranCGnu);
sceneNodeCGnu.Components.Add(meshCGnu);
parentNode.Children.Add(sceneNodeCVlad);
parentNode.Children.Add(sceneNodeCLato);
parentNode.Children.Add(sceneNodeCGnu);
var sc = new SceneContainer {
Children = new List <SceneNode> {
parentNode
}
};
_renderer = new SceneRendererForward(sc);
var shaderFx = new ShaderEffect(new[] {
new EffectPassDeclaration
{
PS = AssetStorage.Get <string>("FragShader.frag"),
VS = AssetStorage.Get <string>("VertShader.vert"),
StateSet = new RenderStateSet
{
ZEnable = true
}
}
},
new List <EffectParameterDeclaration>
{
new EffectParameterDeclaration {
Name = "xform", Value = float4x4.Identity
}
});
RC.SetShaderEffect(shaderFx);
// Set the clear color for the backbuffer
RC.ClearColor = new float4(0, 0.61f, 0.88f, 1);
}
