public override IResource GetNew(IResourceSource resourceSource)
{
var cSource = (Source)resourceSource;
var ns = cSource.NormalDirection == PlaneModelSourceNormalDirection.Positive ? 1f : -1f;
var hw = cSource.HalfWidth;
var hh = cSource.HalfHeight;
var su = cSource.ScaleU;
var sv = cSource.ScaleV;
var vertices = cSource.Plane == PlaneModelSourcePlane.Xy
? new[]
{
new VertexPosTanNormTex(new Vector3(-hw, -hh, 0), new Vector3(1, 0, 0), new Vector3(0, 0, ns), new Vector2(0, hh * sv)),
new VertexPosTanNormTex(new Vector3(-hw, hh, 0), new Vector3(1, 0, 0), new Vector3(0, 0, ns), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(hw, hh, 0), new Vector3(1, 0, 0), new Vector3(0, 0, ns), new Vector2(hw * su, 0)),
new VertexPosTanNormTex(new Vector3(hw, -hh, 0), new Vector3(1, 0, 0), new Vector3(0, 0, ns), new Vector2(hw * su, hh * sv)),
}
: new[]
{
new VertexPosTanNormTex(new Vector3(-hw, 0, hh), new Vector3(1, 0, 0), new Vector3(0, ns, 0), new Vector2(0, hh * sv)),
new VertexPosTanNormTex(new Vector3(-hw, 0, -hh), new Vector3(1, 0, 0), new Vector3(0, ns, 0), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(hw, 0, -hh), new Vector3(1, 0, 0), new Vector3(0, ns, 0), new Vector2(hw * su, 0)),
new VertexPosTanNormTex(new Vector3(hw, 0, hh), new Vector3(1, 0, 0), new Vector3(0, ns, 0), new Vector2(hw * su, hh * sv)),
};
var indices = cSource.NormalDirection == PlaneModelSourceNormalDirection.Positive
? new[] { 0, 1, 2, 0, 2, 3 }
: new[] { 0, 2, 1, 0, 3, 2 };
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.TriangleList).WithSource(cSource));
}
private static IExplicitModel BuildWallModel(List <BuildingWallSegment> wallSegments)
{
var vertices = new VertexPosTanNormTex[wallSegments.Count * 4];
var indices = new int[wallSegments.Count * 6];
for (int i = 0; i < wallSegments.Count; i++)
{
var segment = wallSegments[i].Basement;
var height = wallSegments[i].Height;
var vertexOffset = i * 4;
var indexOffset = i * 6;
var tangent = (segment.Point2 - segment.Point1).Normalize();
var normal = Vector3.Cross(tangent, Vector3.UnitY).Normalize();
var texCoordWidth = Math.Max((float)Math.Round(segment.Length / 2), 1f);
var texCoordHeight = Math.Max((float)Math.Round(height / 2), 1f);
vertices[vertexOffset + 0] = new VertexPosTanNormTex(segment.Point1, tangent, normal, new Vector2(0, texCoordHeight));
vertices[vertexOffset + 1] = new VertexPosTanNormTex(segment.Point1 + height * Vector3.UnitY, tangent, normal, new Vector2(0, 0));
vertices[vertexOffset + 2] = new VertexPosTanNormTex(segment.Point2 + height * Vector3.UnitY, tangent, normal, new Vector2(texCoordWidth, 0));
vertices[vertexOffset + 3] = new VertexPosTanNormTex(segment.Point2, tangent, normal, new Vector2(texCoordWidth, texCoordHeight));
indices[indexOffset + 0] = vertexOffset;
indices[indexOffset + 1] = vertexOffset + 1;
indices[indexOffset + 2] = vertexOffset + 2;
indices[indexOffset + 3] = vertexOffset;
indices[indexOffset + 4] = vertexOffset + 2;
indices[indexOffset + 5] = vertexOffset + 3;
}
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.TriangleList));
}
public override IResource GetNew(IResourceSource resourceSource)
{
var cSource = (Source)resourceSource;
var verticalIndexOffset = 2 * cSource.HalfNumCircleSegments;
var vertices = new VertexPosTanNormTex[verticalIndexOffset * cSource.HalfNumCircleSegments];
for (int i = 0; i < cSource.HalfNumCircleSegments; i++)
{
for (int j = 0; j < verticalIndexOffset; j++)
{
var u = (float)j / (verticalIndexOffset - 1);
var v = (float)i / (cSource.HalfNumCircleSegments - 1);
var phi = MathHelper.TwoPi * u + MathHelper.Pi;
var psi = MathHelper.PiOver2 - MathHelper.Pi * v;
var z = MathHelper.Cos(phi) * MathHelper.Cos(psi);
var x = MathHelper.Sin(phi) * MathHelper.Cos(psi);
var y = MathHelper.Sin(psi);
var normal = new Vector3(x, y, z);
var position = normal;
var tangent = Vector3.Cross(Vector3.UnitY, normal).Normalize();
var texcoord = new Vector2(u, v);
vertices[i * verticalIndexOffset + j] = new VertexPosTanNormTex(
position, tangent, normal, texcoord);
}
}
var indexList = new List <int>();
for (int i = 0; i < cSource.HalfNumCircleSegments - 1; i++)
{
for (int j = 0; j < verticalIndexOffset - 1; j++)
{
var topLeftIndex = i * verticalIndexOffset + j;
indexList.Add(topLeftIndex);
indexList.Add(topLeftIndex + 1);
indexList.Add(topLeftIndex + 1 + verticalIndexOffset);
indexList.Add(topLeftIndex);
indexList.Add(topLeftIndex + 1 + verticalIndexOffset);
indexList.Add(topLeftIndex + verticalIndexOffset);
}
}
var indices = indexList.ToArray();
if (cSource.Inverse)
{
for (int i = 0; i < vertices.Length; i++)
{
vertices[i].Normal = -vertices[i].Normal;
}
for (int i = 0; i < indices.Length; i += 3)
{
CodingHelper.Swap(ref indices[i + 1], ref indices[i + 2]);
}
}
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.TriangleList).WithSource(cSource));
}
public override IResource GetNew(IResourceSource resourceSource)
{
var vertices = new[]
{
new VertexPos(0, 0, 0, 0),
new VertexPos(1, 0, 0, 1),
};
return(ExplicitModel.FromVertices(vertices, null, ExplicitModelPrimitiveTopology.LineList).WithSource(resourceSource));
}
public override IResource GetNew(IResourceSource resourceSource)
{
var cSource = (Source)resourceSource;
var vertices = Enumerable.Range(0, cSource.NumSegments)
.Select(i => (float)i / cSource.NumSegments * MathHelper.TwoPi)
.Select(a => new VertexPos(MathHelper.Cos(a), MathHelper.Sin(a), 0f))
.ToArray();
var indices = Enumerable.Range(0, cSource.NumSegments).Concat(0.EnumSelf()).ToArray();
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.LineStrip).WithSource(cSource));
}
private IExplicitModel BuildLaneModel(BuildingLane lane)
{
var vertices = lane.GlobalPath
.Where(x => x.P0.X != x.P2.X)
.Select(x => ApplyDisambiguator(x, lane.Disambiguator))
.SelectMany(x => x.ToEnumPolyline(0.01f))
.Select(x => new VertexPos(x))
.ToArray();
return(ExplicitModel.FromVertices(vertices, null, ExplicitModelPrimitiveTopology.LineStrip));
}
private static IExplicitModel BuildWallModel4(List <BuildingWallSegment> wallSegments)
{
var vertices = new VertexPos[wallSegments.Count * 2];
for (int i = 0; i < wallSegments.Count; i++)
{
var segment = wallSegments[i].Basement;
var vertexOffset = i * 2;
vertices[vertexOffset + 0] = new VertexPos(segment.Point1);
vertices[vertexOffset + 1] = new VertexPos(segment.Point2);
}
return(ExplicitModel.FromVertices(vertices, null, ExplicitModelPrimitiveTopology.LineList));
}
public static IModel3D GenerateNew()
{
var vertices = new[]
{
new VertexPosTanNormTex(new Vector3(1, -1, 1), new Vector3(0, 0, -1), new Vector3(1, 0, 0), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(1, 1, 1), new Vector3(0, 0, -1), new Vector3(1, 0, 0), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(1, 1, -1), new Vector3(0, 0, -1), new Vector3(1, 0, 0), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(1, -1, -1), new Vector3(0, 0, -1), new Vector3(1, 0, 0), new Vector2(1, 1)),
new VertexPosTanNormTex(new Vector3(-1, 1, 1), new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(-1, 1, -1), new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(1, 1, -1), new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(1, 1, 1), new Vector3(1, 0, 0), new Vector3(0, 1, 0), new Vector2(1, 1)),
new VertexPosTanNormTex(new Vector3(-1, -1, -1), new Vector3(0, 0, 1), new Vector3(-1, 0, 0), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(-1, 1, -1), new Vector3(0, 0, 1), new Vector3(-1, 0, 0), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(-1, 1, 1), new Vector3(0, 0, 1), new Vector3(-1, 0, 0), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(-1, -1, 1), new Vector3(0, 0, 1), new Vector3(-1, 0, 0), new Vector2(1, 1)),
new VertexPosTanNormTex(new Vector3(1, -1, 1), new Vector3(-1, 0, 0), new Vector3(0, -1, 0), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(1, -1, -1), new Vector3(-1, 0, 0), new Vector3(0, -1, 0), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(-1, -1, -1), new Vector3(-1, 0, 0), new Vector3(0, -1, 0), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(-1, -1, 1), new Vector3(-1, 0, 0), new Vector3(0, -1, 0), new Vector2(1, 1)),
new VertexPosTanNormTex(new Vector3(-1, -1, 1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(-1, 1, 1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(1, 1, 1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(1, -1, 1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(1, 1)),
new VertexPosTanNormTex(new Vector3(1, -1, -1), new Vector3(-1, 0, 0), new Vector3(0, 0, -1), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(1, 1, -1), new Vector3(-1, 0, 0), new Vector3(0, 0, -1), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(-1, 1, -1), new Vector3(-1, 0, 0), new Vector3(0, 0, -1), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(-1, -1, -1), new Vector3(-1, 0, 0), new Vector3(0, 0, -1), new Vector2(1, 1))
};
var indices = new int[]
{
0, 1, 2, 0, 2, 3,
4, 5, 6, 4, 6, 7,
8, 9, 10, 8, 10, 11,
12, 13, 14, 12, 14, 15,
16, 17, 18, 16, 18, 19,
20, 21, 22, 20, 22, 23
};
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.TriangleList));
}
public override IResource GetNew(IResourceSource resourceSource)
{
var cSource = (Source)resourceSource;
var vertices = new[]
{
new VertexPos(-1, -1, 0),
new VertexPos(-1, 1, 0),
new VertexPos(1, 1, 0),
new VertexPos(1, -1, 0),
};
var indices = new[]
{
0, 1, 2, 3, 0
};
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.LineStrip).WithSource(cSource));
}
public override IResource GetNew(IResourceSource resourceSource)
{
var cSource = (Source)resourceSource;
var vertices = new[]
{
new VertexPosTanNormTex(new Vector3(-1, 0, 1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(0, 1)),
new VertexPosTanNormTex(new Vector3(-1, 0, -1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(0, 0)),
new VertexPosTanNormTex(new Vector3(1, 0, -1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(1, 0)),
new VertexPosTanNormTex(new Vector3(1, 0, 1), new Vector3(1, 0, 0), new Vector3(0, 0, 1), new Vector2(1, 1)),
};
var indices = new int[]
{
0, 1, 2, 0, 2, 3
};
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.TriangleList).WithSource(cSource));
}
public override IResource GetNew(IResourceSource resourceSource)
{
var cSource = (Source)resourceSource;
var distance = 1f / MathHelper.Tan(MathHelper.Pi / 8);
var vertices = new[]
{
new VertexPos(-1, -1, 0),
new VertexPos(-1, 1, 0),
new VertexPos(1, 1, 0),
new VertexPos(1, -1, 0),
new VertexPos(-2, -2, -distance),
new VertexPos(-2, 2, -distance),
new VertexPos(2, 2, -distance),
new VertexPos(2, -2, -distance)
};
var indices = new[]
{
0, 1, 1, 2, 2, 3, 3, 0,
4, 5, 5, 6, 6, 7, 7, 4,
0, 4, 1, 5, 2, 6, 3, 7
};
return(ExplicitModel.FromVertices(vertices, indices, ExplicitModelPrimitiveTopology.LineList).WithSource(cSource));
}