public static void Build(GameObject obj, BZWPyramid pyr)
{
MeshFilter filter = obj.GetComponent <MeshFilter>();
if (filter == null)
{
filter = obj.AddComponent <MeshFilter>() as MeshFilter;
}
if (pyr.FlipZ)
{
filter.sharedMesh = BuildInvertedMesh(obj, pyr);
}
else
{
filter.sharedMesh = BuildNormalMesh(obj, pyr);
}
MeshRenderer render = obj.AddComponent <MeshRenderer>() as MeshRenderer;
render.sharedMaterial = (Material)AssetDatabase.LoadAssetAtPath("Assets/BZWTools/StandardAssets/Textures/pyrwall.mat", typeof(Material));
MeshCollider collider = obj.AddComponent <MeshCollider>() as MeshCollider;
collider.sharedMesh = filter.sharedMesh;
obj.isStatic = true;
}
private static Mesh BuildInvertedMesh(GameObject obj, BZWPyramid pyr)
{
Mesh mesh = new Mesh();
List <Vector3> verts = new List <Vector3>();
List <Vector3> norms = new List <Vector3>();
List <Vector2> uvs = new List <Vector2>();
List <int> tris = new List <int>();
int offset = 0;
Vector3 pyrScale = pyr.transform.localScale;
// Z+ wall
verts.Add(new Vector3(-1, 1, 1));
norms.Add(Vector3.forward);
uvs.Add(new Vector2(-pyrScale.x * PyrmaidUVScale, 0));
verts.Add(new Vector3(0, 0, 0));
norms.Add(Vector3.forward);
uvs.Add(new Vector2(CenterUV, pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(1, 1, 1));
norms.Add(Vector3.forward);
uvs.Add(new Vector2(pyrScale.x * PyrmaidUVScale, 0));
tris.Add(0 + offset);
tris.Add(1 + offset);
tris.Add(2 + offset);
offset = verts.Count;
// Z- wall
verts.Add(new Vector3(-1, 1, -1));
norms.Add(Vector3.back);
uvs.Add(new Vector2(-pyrScale.x * PyrmaidUVScale, 0));
verts.Add(new Vector3(0, 0, 0));
norms.Add(Vector3.back);
uvs.Add(new Vector2(CenterUV, pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(1, 1, -1));
norms.Add(Vector3.back);
uvs.Add(new Vector2(pyrScale.x * PyrmaidUVScale, 0));
tris.Add(2 + offset);
tris.Add(1 + offset);
tris.Add(0 + offset);
offset = verts.Count;
// X+ wall
verts.Add(new Vector3(1, 1, 1));
norms.Add(Vector3.right);
uvs.Add(new Vector2(-pyrScale.z * PyrmaidUVScale, 0));
verts.Add(new Vector3(0, 0, 0));
norms.Add(Vector3.right);
uvs.Add(new Vector2(CenterUV, pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(1, 1, -1));
norms.Add(Vector3.right);
uvs.Add(new Vector2(pyrScale.z * PyrmaidUVScale, 0));
tris.Add(0 + offset);
tris.Add(1 + offset);
tris.Add(2 + offset);
offset = verts.Count;
// X- wall
verts.Add(new Vector3(-1, 1, 1));
norms.Add(Vector3.left);
uvs.Add(new Vector2(-pyrScale.z * PyrmaidUVScale, 0));
verts.Add(new Vector3(0, 0, 0));
norms.Add(Vector3.left);
uvs.Add(new Vector2(CenterUV, pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(-1, 1, -1));
norms.Add(Vector3.left);
uvs.Add(new Vector2(pyrScale.z * PyrmaidUVScale, 0));
tris.Add(2 + offset);
tris.Add(1 + offset);
tris.Add(0 + offset);
offset = verts.Count;
// floor
verts.Add(new Vector3(-1, 1, 1));
norms.Add(Vector3.up);
uvs.Add(new Vector2(-pyrScale.x * PyrmaidUVScale, pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(1, 1, 1));
norms.Add(Vector3.up);
uvs.Add(new Vector2(pyrScale.x * PyrmaidUVScale, pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(1, 1, -1));
norms.Add(Vector3.up);
uvs.Add(new Vector2(pyrScale.x * PyrmaidUVScale, -pyrScale.z * PyrmaidUVScale));
verts.Add(new Vector3(-1, 1, -1));
norms.Add(Vector3.up);
uvs.Add(new Vector2(-pyrScale.x * PyrmaidUVScale, -pyrScale.z * PyrmaidUVScale));
tris.Add(0 + offset);
tris.Add(1 + offset);
tris.Add(2 + offset);
tris.Add(2 + offset);
tris.Add(3 + offset);
tris.Add(0 + offset);
offset = verts.Count;
// add our hard work
mesh.vertices = verts.ToArray();
mesh.uv = uvs.ToArray();
mesh.normals = norms.ToArray();
mesh.triangles = tris.ToArray();
return(mesh);
}
