protected override DX11IndexedGeometry GetGeom(DX11RenderContext context, int slice)
{
SegmentZ segment = new SegmentZ()
{
Cycles = this.FInCycles[slice],
InnerRadius = this.FInInner[slice],
Phase = this.FInPhase[slice],
Resolution = this.FInRes[slice],
Z = this.FInZ[slice]
};
return context.Primitives.SegmentZ(segment);
}
public DX11IndexedGeometry SegmentZ(SegmentZ settings)
{
int res = settings.Resolution;
float cycles = settings.Cycles;
float phase = settings.Phase;
float inner = settings.InnerRadius;
float z = settings.Z;
DX11IndexedGeometry geom = new DX11IndexedGeometry(context);
geom.Tag = settings;
geom.PrimitiveType = settings.PrimitiveType;
int vcount = res * 2;
int icount = (res - 1) * 6;
float inc = Convert.ToSingle((Math.PI * 2.0 * cycles) / (res - 1.0));
float phi = Convert.ToSingle(phase * (Math.PI * 2.0));
List<Pos4Norm3Tex2Vertex> vlist = new List<Pos4Norm3Tex2Vertex>();
List<int> ilist = new List<int>();
Pos4Norm3Tex2Vertex innerv = new Pos4Norm3Tex2Vertex();
innerv.Normals = new Vector3(0.0f, 0.0f, 1.0f);
Pos4Norm3Tex2Vertex outerv = new Pos4Norm3Tex2Vertex();
outerv.Normals = new Vector3(0.0f, 0.0f, 1.0f);
Pos4Norm3Tex2Vertex[] vertices = new Pos4Norm3Tex2Vertex[res * 2];
#region Append front face
for (int i = 0; i < res; i++)
{
float x = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
float y = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
innerv.Position = new Vector4(x, y, z, 1.0f);
x = Convert.ToSingle(0.5 * Math.Cos(phi));
y = Convert.ToSingle(0.5 * Math.Sin(phi));
outerv.Position = new Vector4(x, y, z, 1.0f);
vertices[i] = innerv;
vertices[i + res] = outerv;
phi += inc;
}
int indstep = 0;
int[] indices = new int[icount];
for (int i = 0; i < res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 1] = res + i;
indices[indstep + 2] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 4] = res + i;
indices[indstep + 5] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
#region Append Back Face
//Second layer just has Z inverted
for (int i = 0; i < res * 2; i++)
{
vertices[i].Position.Z = -vertices[i].Position.Z;
vertices[i].Normals.Z = -vertices[i].Normals.Z;
phi += inc;
}
//Here we also flip triangles for cull
indstep = 0;
int offset = res * 2;
for (int i = offset; i < offset + res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 2] = res + i;
indices[indstep + 1] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 5] = res + i;
indices[indstep + 4] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
//We need to append new set of indices, as we want nice normals
#region Append Outer
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
for (int i = 0; i < res; i++)
{
float x = Convert.ToSingle(0.5 * Math.Cos(phi));
float y = Convert.ToSingle(0.5 * Math.Sin(phi));
innerv.Position = new Vector4(x, y, z, 1.0f);
outerv.Position = new Vector4(x, y, -z, 1.0f);
innerv.Normals = Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
outerv.Normals = Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
vertices[i] = innerv;
vertices[i + res] = outerv;
phi += inc;
}
indstep = 0;
offset += (res * 2);
for (int i = offset; i < offset + res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 1] = res + i;
indices[indstep + 2] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 4] = res + i;
indices[indstep + 5] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
#region Append Inner
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
for (int i = 0; i < res; i++)
{
float x = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
float y = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
innerv.Position = new Vector4(x, y, z, 1.0f);
outerv.Position = new Vector4(x, y, -z, 1.0f);
innerv.Normals = -Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
outerv.Normals = -Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
vertices[i] = innerv;
vertices[i + res] = outerv;
phi += inc;
}
indstep = 0;
offset += (res * 2);
for (int i = offset; i < offset + res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 2] = res + i;
indices[indstep + 1] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 5] = res + i;
indices[indstep + 4] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
#region Append Border
//Append border low (quad)
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
float x2 = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
float y2 = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
float x3 = Convert.ToSingle(0.5 * Math.Cos(phi));
float y3 = Convert.ToSingle(0.5 * Math.Sin(phi));
Pos4Norm3Tex2Vertex q1 = new Pos4Norm3Tex2Vertex();
Pos4Norm3Tex2Vertex q2 = new Pos4Norm3Tex2Vertex();
Pos4Norm3Tex2Vertex q3 = new Pos4Norm3Tex2Vertex();
Pos4Norm3Tex2Vertex q4 = new Pos4Norm3Tex2Vertex();
q1.Position = new Vector4(x2, y2, z, 1.0f);
q2.Position = new Vector4(x2, y2, -z, 1.0f);
q3.Position = new Vector4(x3, y3, z, 1.0f);
q4.Position = new Vector4(x3, y3, -z, 1.0f);
Vector3 e1 = new Vector3(q2.Position.X - q1.Position.X,
q2.Position.Y - q1.Position.Y,
q2.Position.Z - q1.Position.Z);
Vector3 e2 = new Vector3(q3.Position.X - q2.Position.X,
q3.Position.Y - q2.Position.Y,
q3.Position.Z - q2.Position.Z);
Vector3 n = Vector3.Cross(e1, e2);
q1.Normals = n;
q2.Normals = n;
q3.Normals = n;
q4.Normals = n;
vlist.Add(q1); vlist.Add(q2); vlist.Add(q3); vlist.Add(q4);
offset += (res * 2);
ilist.Add(offset); ilist.Add(offset + 1); ilist.Add(offset + 2);
ilist.Add(offset + 2); ilist.Add(offset + 1); ilist.Add(offset + 3);
offset += 4;
//Totally crapply unoptimized, but phi can be negative
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
for (int i = 0; i < res - 1; i++)
{
phi += inc;
}
x2 = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
y2 = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
x3 = Convert.ToSingle(0.5 * Math.Cos(phi));
y3 = Convert.ToSingle(0.5 * Math.Sin(phi));
q1.Position = new Vector4(x2, y2, z, 1.0f);
q2.Position = new Vector4(x2, y2, -z, 1.0f);
q3.Position = new Vector4(x3, y3, z, 1.0f);
q4.Position = new Vector4(x3, y3, -z, 1.0f);
e1 = new Vector3(q2.Position.X - q1.Position.X,
q2.Position.Y - q1.Position.Y,
q2.Position.Z - q1.Position.Z);
e2 = new Vector3(q3.Position.X - q2.Position.X,
q3.Position.Y - q2.Position.Y,
q3.Position.Z - q2.Position.Z);
n = Vector3.Cross(e2, e1);
q1.Normals = n;
q2.Normals = n;
q3.Normals = n;
q4.Normals = n;
vlist.Add(q1); vlist.Add(q2); vlist.Add(q3); vlist.Add(q4);
ilist.Add(offset); ilist.Add(offset + 2); ilist.Add(offset + 1);
ilist.Add(offset + 2); ilist.Add(offset + 3); ilist.Add(offset + 1);
#endregion
float minx = float.MaxValue, miny = float.MaxValue, minz = float.MaxValue;
float maxx = float.MinValue, maxy = float.MinValue, maxz = float.MinValue;
foreach (Pos4Norm3Tex2Vertex v in vlist)
{
minx = v.Position.X < minx ? v.Position.X : minx;
miny = v.Position.Y < miny ? v.Position.Y : miny;
minz = v.Position.Z < minz ? v.Position.Z : minz;
maxx = v.Position.X > maxx ? v.Position.X : maxx;
maxy = v.Position.Y > maxy ? v.Position.Y : maxy;
maxz = v.Position.Z > maxz ? v.Position.Z : maxz;
}
DataStream ds = new DataStream(vlist.Count * Pos4Norm3Tex2Vertex.VertexSize, true, true);
ds.Position = 0;
ds.WriteRange(vlist.ToArray());
ds.Position = 0;
var vbuffer = new SlimDX.Direct3D11.Buffer(context.Device, ds, new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = (int)ds.Length,
Usage = ResourceUsage.Default
});
ds.Dispose();
var indexstream = new DataStream(ilist.Count * 4, true, true);
indexstream.WriteRange(ilist.ToArray());
indexstream.Position = 0;
geom.VertexBuffer = vbuffer;
geom.IndexBuffer = new DX11IndexBuffer(context, indexstream, false, true);
geom.InputLayout = Pos4Norm3Tex2Vertex.Layout;
geom.Topology = PrimitiveTopology.TriangleList;
geom.VerticesCount = vlist.Count;
geom.VertexSize = Pos4Norm3Tex2Vertex.VertexSize;
geom.HasBoundingBox = true;
geom.BoundingBox = new BoundingBox(new Vector3(minx, miny, minz), new Vector3(maxx, maxy, maxz));
return geom;
}
public DX11IndexedGeometry SegmentZ(SegmentZ settings)
{
int res = settings.Resolution;
float cycles = settings.Cycles;
float phase = settings.Phase;
float inner = settings.InnerRadius;
float z = settings.Z;
DX11IndexedGeometry geom = new DX11IndexedGeometry(context);
geom.Tag = settings;
geom.PrimitiveType = settings.PrimitiveType;
int vcount = res * 2;
int icount = (res - 1) * 6;
float inc = Convert.ToSingle((Math.PI * 2.0 * cycles) / (res - 1.0));
float phi = Convert.ToSingle(phase * (Math.PI * 2.0));
List <Pos4Norm3Tex2Vertex> vlist = new List <Pos4Norm3Tex2Vertex>();
List <int> ilist = new List <int>();
Pos4Norm3Tex2Vertex innerv = new Pos4Norm3Tex2Vertex();
innerv.Normals = new Vector3(0.0f, 0.0f, 1.0f);
Pos4Norm3Tex2Vertex outerv = new Pos4Norm3Tex2Vertex();
outerv.Normals = new Vector3(0.0f, 0.0f, 1.0f);
Pos4Norm3Tex2Vertex[] vertices = new Pos4Norm3Tex2Vertex[res * 2];
#region Append front face
for (int i = 0; i < res; i++)
{
float x = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
float y = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
innerv.Position = new Vector4(x, y, z, 1.0f);
x = Convert.ToSingle(0.5 * Math.Cos(phi));
y = Convert.ToSingle(0.5 * Math.Sin(phi));
outerv.Position = new Vector4(x, y, z, 1.0f);
vertices[i] = innerv;
vertices[i + res] = outerv;
phi += inc;
}
int indstep = 0;
int[] indices = new int[icount];
for (int i = 0; i < res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 1] = res + i;
indices[indstep + 2] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 4] = res + i;
indices[indstep + 5] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
#region Append Back Face
//Second layer just has Z inverted
for (int i = 0; i < res * 2; i++)
{
vertices[i].Position.Z = -vertices[i].Position.Z;
vertices[i].Normals.Z = -vertices[i].Normals.Z;
phi += inc;
}
//Here we also flip triangles for cull
indstep = 0;
int offset = res * 2;
for (int i = offset; i < offset + res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 2] = res + i;
indices[indstep + 1] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 5] = res + i;
indices[indstep + 4] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
//We need to append new set of indices, as we want nice normals
#region Append Outer
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
for (int i = 0; i < res; i++)
{
float x = Convert.ToSingle(0.5 * Math.Cos(phi));
float y = Convert.ToSingle(0.5 * Math.Sin(phi));
innerv.Position = new Vector4(x, y, z, 1.0f);
outerv.Position = new Vector4(x, y, -z, 1.0f);
innerv.Normals = Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
outerv.Normals = Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
vertices[i] = innerv;
vertices[i + res] = outerv;
phi += inc;
}
indstep = 0;
offset += (res * 2);
for (int i = offset; i < offset + res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 1] = res + i;
indices[indstep + 2] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 4] = res + i;
indices[indstep + 5] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
#region Append Inner
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
for (int i = 0; i < res; i++)
{
float x = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
float y = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
innerv.Position = new Vector4(x, y, z, 1.0f);
outerv.Position = new Vector4(x, y, -z, 1.0f);
innerv.Normals = -Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
outerv.Normals = -Vector3.Normalize(new Vector3(innerv.Position.X, innerv.Position.Y, 0.0f));
vertices[i] = innerv;
vertices[i + res] = outerv;
phi += inc;
}
indstep = 0;
offset += (res * 2);
for (int i = offset; i < offset + res - 1; i++)
{
//Triangle from low to high
indices[indstep] = i;
indices[indstep + 2] = res + i;
indices[indstep + 1] = i + 1;
//Triangle from high to low
indices[indstep + 3] = i + 1;
indices[indstep + 5] = res + i;
indices[indstep + 4] = res + i + 1;
indstep += 6;
}
vlist.AddRange(vertices);
ilist.AddRange(indices);
#endregion
#region Append Border
//Append border low (quad)
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
float x2 = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
float y2 = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
float x3 = Convert.ToSingle(0.5 * Math.Cos(phi));
float y3 = Convert.ToSingle(0.5 * Math.Sin(phi));
Pos4Norm3Tex2Vertex q1 = new Pos4Norm3Tex2Vertex();
Pos4Norm3Tex2Vertex q2 = new Pos4Norm3Tex2Vertex();
Pos4Norm3Tex2Vertex q3 = new Pos4Norm3Tex2Vertex();
Pos4Norm3Tex2Vertex q4 = new Pos4Norm3Tex2Vertex();
q1.Position = new Vector4(x2, y2, z, 1.0f);
q2.Position = new Vector4(x2, y2, -z, 1.0f);
q3.Position = new Vector4(x3, y3, z, 1.0f);
q4.Position = new Vector4(x3, y3, -z, 1.0f);
Vector3 e1 = new Vector3(q2.Position.X - q1.Position.X,
q2.Position.Y - q1.Position.Y,
q2.Position.Z - q1.Position.Z);
Vector3 e2 = new Vector3(q3.Position.X - q2.Position.X,
q3.Position.Y - q2.Position.Y,
q3.Position.Z - q2.Position.Z);
Vector3 n = Vector3.Cross(e1, e2);
q1.Normals = n;
q2.Normals = n;
q3.Normals = n;
q4.Normals = n;
vlist.Add(q1); vlist.Add(q2); vlist.Add(q3); vlist.Add(q4);
offset += (res * 2);
ilist.Add(offset); ilist.Add(offset + 1); ilist.Add(offset + 2);
ilist.Add(offset + 2); ilist.Add(offset + 1); ilist.Add(offset + 3);
offset += 4;
//Totally crapply unoptimized, but phi can be negative
phi = Convert.ToSingle(phase * (Math.PI * 2.0));
for (int i = 0; i < res - 1; i++)
{
phi += inc;
}
x2 = Convert.ToSingle(0.5 * inner * Math.Cos(phi));
y2 = Convert.ToSingle(0.5 * inner * Math.Sin(phi));
x3 = Convert.ToSingle(0.5 * Math.Cos(phi));
y3 = Convert.ToSingle(0.5 * Math.Sin(phi));
q1.Position = new Vector4(x2, y2, z, 1.0f);
q2.Position = new Vector4(x2, y2, -z, 1.0f);
q3.Position = new Vector4(x3, y3, z, 1.0f);
q4.Position = new Vector4(x3, y3, -z, 1.0f);
e1 = new Vector3(q2.Position.X - q1.Position.X,
q2.Position.Y - q1.Position.Y,
q2.Position.Z - q1.Position.Z);
e2 = new Vector3(q3.Position.X - q2.Position.X,
q3.Position.Y - q2.Position.Y,
q3.Position.Z - q2.Position.Z);
n = Vector3.Cross(e2, e1);
q1.Normals = n;
q2.Normals = n;
q3.Normals = n;
q4.Normals = n;
vlist.Add(q1); vlist.Add(q2); vlist.Add(q3); vlist.Add(q4);
ilist.Add(offset); ilist.Add(offset + 2); ilist.Add(offset + 1);
ilist.Add(offset + 2); ilist.Add(offset + 3); ilist.Add(offset + 1);
#endregion
float minx = float.MaxValue, miny = float.MaxValue, minz = float.MaxValue;
float maxx = float.MinValue, maxy = float.MinValue, maxz = float.MinValue;
foreach (Pos4Norm3Tex2Vertex v in vlist)
{
minx = v.Position.X < minx ? v.Position.X : minx;
miny = v.Position.Y < miny ? v.Position.Y : miny;
minz = v.Position.Z < minz ? v.Position.Z : minz;
maxx = v.Position.X > maxx ? v.Position.X : maxx;
maxy = v.Position.Y > maxy ? v.Position.Y : maxy;
maxz = v.Position.Z > maxz ? v.Position.Z : maxz;
}
DataStream ds = new DataStream(vlist.Count * Pos4Norm3Tex2Vertex.VertexSize, true, true);
ds.Position = 0;
ds.WriteRange(vlist.ToArray());
ds.Position = 0;
var vbuffer = new SlimDX.Direct3D11.Buffer(context.Device, ds, new BufferDescription()
{
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.None,
OptionFlags = ResourceOptionFlags.None,
SizeInBytes = (int)ds.Length,
Usage = ResourceUsage.Default
});
ds.Dispose();
var indexstream = new DataStream(ilist.Count * 4, true, true);
indexstream.WriteRange(ilist.ToArray());
indexstream.Position = 0;
geom.VertexBuffer = vbuffer;
geom.IndexBuffer = new DX11IndexBuffer(context, indexstream, false, true);
geom.InputLayout = Pos4Norm3Tex2Vertex.Layout;
geom.Topology = PrimitiveTopology.TriangleList;
geom.VerticesCount = vlist.Count;
geom.VertexSize = Pos4Norm3Tex2Vertex.VertexSize;
geom.HasBoundingBox = true;
geom.BoundingBox = new BoundingBox(new Vector3(minx, miny, minz), new Vector3(maxx, maxy, maxz));
return(geom);
}
