public override MeshDraft Construct(Vector2 parentLayoutOrigin)
{
var roofDraft = ConstructRoofBase(out List <Vector2> roofPolygon2, out List <Vector3> roofPolygon3);
var tessellator = new Tessellator();
tessellator.AddContour(roofPolygon3);
tessellator.Tessellate(normal: Vector3.up);
var roofTop = tessellator.ToMeshDraft()
.Move(Vector3.up * roofConfig.thickness);
for (var i = 0; i < roofTop.vertexCount; i++)
{
roofTop.normals.Add(Vector3.up);
}
return(roofDraft.Add(roofTop)
.Paint(roofColor));
}
protected static MeshDraft ConstructContourDraft(List <Vector2> skeletonPolygon2, float roofPitch)
{
Vector2 edgeA = skeletonPolygon2[0];
Vector2 edgeB = skeletonPolygon2[1];
Vector2 edgeDirection2 = (edgeB - edgeA).normalized;
Vector3 roofNormal = CalculateRoofNormal(edgeDirection2, roofPitch);
var skeletonPolygon3 = skeletonPolygon2.ConvertAll(v => v.ToVector3XZ());
var tessellator = new Tessellator();
tessellator.AddContour(skeletonPolygon3);
tessellator.Tessellate(normal: Vector3.up);
var contourDraft = tessellator.ToMeshDraft();
for (var i = 0; i < contourDraft.vertexCount; i++)
{
Vector2 vertex = contourDraft.vertices[i].ToVector2XZ();
float height = CalculateVertexHeight(vertex, edgeA, edgeDirection2, roofPitch);
contourDraft.vertices[i] = new Vector3(vertex.x, height, vertex.y);
contourDraft.normals.Add(roofNormal);
}
return(contourDraft);
}