Mesh BalconyPanel(Vector3 v0, Vector3 v1, Vector3 v2, Vector3 v3)
{
var normal = Vector3.Cross((v1 - v0), (v3 - v0)).normalized;
var v4 = v0 + (v1 - v0) * 0.4f;
var v5 = v3 + (v2 - v3) * 0.4f;
var combine = new List <Mesh>();
var submeshMask = new List <List <int> >();
combine.Add(PGMesh.Quad(v0, v4, v4 + normal, v0 + normal));
submeshMask.Add(new List <int> {
0
});
combine.Add(PGMesh.Quad(v0 + normal, v4 + normal, v5 + normal, v3 + normal));
submeshMask.Add(new List <int> {
0
});
combine.Add(PGMesh.Quad(v3 + normal, v5 + normal, v5, v3));
submeshMask.Add(new List <int> {
0
});
combine.Add(PGMesh.Quad(v0, v0 + normal, v3 + normal, v3));
submeshMask.Add(new List <int> {
0
});
combine.Add(PGMesh.Quad(v4, v1, v1 + normal, v4 + normal));
submeshMask.Add(new List <int> {
1
});
combine.Add(PGMesh.Quad(v4 + normal, v1 + normal, v2 + normal, v5 + normal));
submeshMask.Add(new List <int> {
1
});
combine.Add(PGMesh.Quad(v5 + normal, v2 + normal, v2, v5));
submeshMask.Add(new List <int> {
1
});
combine.Add(PGMesh.Quad(v2, v2 + normal, v1 + normal, v1));
submeshMask.Add(new List <int> {
0
});
return(PGMesh.CombineMeshes(combine));
}
void GenerateBuilding()
{
width = random.Next(10, 13);
length = random.Next(30, 55);
floors = random.Next(1, 7);
entrances = (int)(length / 10 - 1);
height = ceilingHeight * floors + socleHeight;
entranceMeshIndex = random.Next(entrance25.Count);
entranceWallMeshIndex = random.Next(entranceWall25.Count);
entranceWallLastMeshIndex = random.Next(entranceWallLast25.Count);
attic = Random.value > 0.5f;
var roofHeight = Vector3.up * height;
if (attic)
{
roofHeight += Vector3.up;
}
roofType = RandomItem(new List <RoofType> {
RoofType.Flat, RoofType.FlatOverhang, RoofType.Gabled, RoofType.Hipped
});
var corner0 = Vector3.back * width / 2 + Vector3.left * length / 2;
var corner1 = Vector3.forward * width / 2 + Vector3.left * length / 2;
var corner2 = Vector3.forward * width / 2 + Vector3.right * length / 2;
var corner3 = Vector3.back * width / 2 + Vector3.right * length / 2;
var wallSizes0 = ExteriorWallSizes(width);
var panelPattern0 = FacadePattern(wallSizes0.Count, floors, attic);
var wallSizes1 = ExteriorWallSizes(length);
var panelPattern1 = FacadePattern(wallSizes1.Count, floors, attic, true);
var wallSizes2 = ExteriorWallSizes(width);
var panelPattern2 = FacadePattern(wallSizes2.Count, floors, attic);
var wallSizes3 = ExteriorWallSizes(length);
var panelPattern3 = FacadePattern(wallSizes3.Count, floors, attic, true, entrances);
var combine = new List <Mesh>();
var matrices = new List <Matrix4x4>();
combine.Add(Facade(corner0, Vector3.forward, wallSizes0, panelPattern0));
matrices.Add(Matrix4x4.identity);
combine.Add(Facade(corner1, Vector3.right, wallSizes1, panelPattern1));
matrices.Add(Matrix4x4.identity);
combine.Add(Facade(corner2, Vector3.back, wallSizes2, panelPattern2));
matrices.Add(Matrix4x4.identity);
combine.Add(Facade(corner3, Vector3.left, wallSizes3, panelPattern3));
matrices.Add(Matrix4x4.identity);
switch (roofType)
{
case RoofType.Flat:
combine.Add(RandomItem(roofFlat));
matrices.Add(Matrix4x4.TRS(roofHeight, Quaternion.identity, new Vector3(length, 1, width)));
break;
case RoofType.FlatOverhang:
combine.Add(RandomItem(roofFlat));
matrices.Add(Matrix4x4.TRS(roofHeight, Quaternion.identity, new Vector3(length + 1, 1, width + 1)));
break;
case RoofType.Gabled:
combine.Add(RandomItem(roofGabled));
matrices.Add(Matrix4x4.TRS(roofHeight, Quaternion.identity, new Vector3(length, 1, width + 1)));
break;
case RoofType.Hipped:
combine.Add(RandomItem(roofHipped));
matrices.Add(Matrix4x4.TRS(roofHeight, Quaternion.identity, new Vector3(length + 1, 1, width + 1)));
break;
}
meshFilter.mesh.Clear();
meshFilter.mesh = PGMesh.CombineMeshes(combine, matrices);
meshFilter.mesh.RecalculateBounds();
meshFilter.mesh.Optimize();
renderer.material.color = new Color(Random.value, Random.value, Random.value);
}
Mesh Facade(Vector3 origin, Vector3 direction, List <float> wallSizes, List <List <PanelType> > panelPattern)
{
var floorMeshes = new List <Mesh>();
var facadeMeshes = new List <Mesh>();
var matrices = new List <Matrix4x4>();
var panelOrigin = origin;
for (var i = 0; i < panelPattern.Count; i++)
{
for (var j = 0; j < panelPattern[i].Count; j++)
{
if (Mathf.Abs(wallSizes[j] - 2.5f) < Mathf.Epsilon)
{
switch (panelPattern[i][j])
{
case PanelType.Window:
floorMeshes.Add(RandomItem(window25));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Balcony:
floorMeshes.Add(RandomItem(balcony25));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Wall:
floorMeshes.Add(RandomItem(wall25));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Socle:
floorMeshes.Add(RandomItem(socle25));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Entrance:
floorMeshes.Add(entrance25[entranceMeshIndex]);
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.EntranceWall:
floorMeshes.Add(entranceWall25[entranceWallMeshIndex]);
matrices.Add(Matrix4x4.TRS(panelOrigin + Vector3.up * (ceilingHeight - socleHeight), Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.EntranceWallLast:
floorMeshes.Add(entranceWallLast25[entranceWallLastMeshIndex]);
matrices.Add(Matrix4x4.TRS(panelOrigin + Vector3.up * (ceilingHeight - socleHeight), Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Attic:
floorMeshes.Add(RandomItem(attic25));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
}
}
else
{
switch (panelPattern[i][j])
{
case PanelType.Window:
floorMeshes.Add(RandomItem(window30));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Balcony:
floorMeshes.Add(RandomItem(balcony30));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Wall:
floorMeshes.Add(RandomItem(wall30));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Socle:
floorMeshes.Add(RandomItem(socle30));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Entrance:
floorMeshes.Add(entrance30[entranceMeshIndex]);
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.EntranceWall:
floorMeshes.Add(entranceWall30[entranceWallMeshIndex]);
matrices.Add(Matrix4x4.TRS(panelOrigin + Vector3.up * (ceilingHeight - socleHeight), Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.EntranceWallLast:
floorMeshes.Add(entranceWallLast30[entranceWallLastMeshIndex]);
matrices.Add(Matrix4x4.TRS(panelOrigin + Vector3.up * (ceilingHeight - socleHeight), Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
case PanelType.Attic:
floorMeshes.Add(RandomItem(attic30));
matrices.Add(Matrix4x4.TRS(panelOrigin, Quaternion.LookRotation(Vector3.Cross(direction, Vector3.up)), Vector3.one));
break;
}
}
panelOrigin += direction * wallSizes[j];
}
facadeMeshes.Add(PGMesh.CombineMeshes(floorMeshes, matrices));
floorMeshes.Clear();
matrices.Clear();
panelOrigin = origin + Vector3.up * (i * ceilingHeight + socleHeight);
}
return(PGMesh.CombineMeshes(facadeMeshes));
}