private void _RenderLines_ICO(ref SSRenderConfig renderConfig)
{
// mode setup
SSShaderProgram.DeactivateAll(); // disable GLSL
GL.Disable(EnableCap.CullFace);
GL.Disable(EnableCap.Texture2D);
GL.Disable(EnableCap.Blend);
GL.Disable(EnableCap.Lighting);
if (icoSphereVertices == null)
{
var icoSphereCreator = new IcoSphereCreator();
var icoSphereGeometry = icoSphereCreator.Create(3);
icoSphereVertices = icoSphereGeometry.Positions.ToArray();
icoSphereFaces = icoSphereGeometry.Faces.ToArray();
}
GL.Begin(PrimitiveType.Lines);
GL.LineWidth(1.0f);
GL.Color3(1.0f, 1.0f, 1.0f);
foreach (var face in icoSphereFaces)
{
var v1 = icoSphereVertices[face.v1];
var v2 = icoSphereVertices[face.v2];
var v3 = icoSphereVertices[face.v3];
GL.Vertex3(v1); GL.Vertex3(v2);
GL.Vertex3(v2); GL.Vertex3(v3);
GL.Vertex3(v1); GL.Vertex3(v3);
}
GL.End();
}
static SSMeshBoundingSphere()
{
var icoSphereCreator = new IcoSphereCreator();
var icoSphereGeometry = icoSphereCreator.Create(3);
icoSphereVertices = icoSphereGeometry.Positions.ToArray();
icoSphereFaces = icoSphereGeometry.Faces.ToArray();
}
void Start()
{
this._starfield = GetComponent <Starfield>();
if (this._material == null)
{
_material = GetComponent <Renderer>().sharedMaterial;
}
MeshFilter mf = GetComponent <MeshFilter>();
mf.sharedMesh = IcoSphereCreator.Create(numberOfSides, 1);
}
private void OnWizardCreate()
{
Mesh mesh = IcoSphereCreator.Create(level, radius);
string path = EditorUtility.SaveFilePanelInProject("Save Ico Sphere", "IcoSphere", "asset", "Specify where to save the mesh.");
if (path.Length > 0)
{
MeshUtility.Optimize(mesh);
AssetDatabase.CreateAsset(mesh, path);
Selection.activeObject = mesh;
}
}
public IEnumerator BuildMesh()
{
var timer = new Timer("build-mesh");
Mesh mesh = null;
timer.PrintTime(() => mesh = IcoSphereCreator.Create(7, .5f), "Create mesh");
var wrapper = new GameObject().AddComponent <MeshWrapperBehaviour>();
timer.PrintTime(() => sculptMesh = new SculptMesh(wrapper, mesh), "Parse mesh");
timer.PrintTotalTime();
timer.SaveCsv();
Assert.AreEqual(163842, mesh.vertices.Length);
yield return(null);
}
private void _Create(int divisions)
{
var icoSphereCreator = new IcoSphereCreator();
geom = icoSphereCreator.Create(divisions);
var positions = geom.Positions.ToArray();
var vertexSoup = new Util3d.VertexSoup <SSVertex_PosNormTexDiff>();
var indexList = new List <UInt16>();
// we have to process each face in the IcoSphere, so we can
// properly "wrap" the texture-coordinates that fall across the left/right border
foreach (TriangleIndices face in geom.Faces)
{
var vp1 = positions[face.v1];
var vp2 = positions[face.v2];
var vp3 = positions[face.v3];
var normal1 = vp1.Normalized();
var normal2 = vp2.Normalized();
var normal3 = vp3.Normalized();
float s1, s2, s3, t1, t2, t3;
_computeEquirectangularUVForSpherePoint(normal1, out s1, out t1);
_computeEquirectangularUVForSpherePoint(normal2, out s2, out t2);
_computeEquirectangularUVForSpherePoint(normal3, out s3, out t3);
// configure verticies
var v1 = new SSVertex_PosNormTexDiff();
v1.Position = vp1;
v1.Normal = normal1;
v1.Tu = s1;
v1.Tv = t1;
var v2 = new SSVertex_PosNormTexDiff();
v2.Position = vp2;
v2.Normal = normal2;
v2.Tu = s2;
v2.Tv = t2;
var v3 = new SSVertex_PosNormTexDiff();
v3.Position = vp3;
v3.Normal = normal3;
v3.Tu = s3;
v3.Tv = t3;
// if a triangle spans the left/right seam where U transitions from 1 to -1
bool v1_left = vp1.X < 0.0f;
bool v2_left = vp2.X < 0.0f;
bool v3_left = vp3.X < 0.0f;
if (vp1.Z < 0.0f && vp2.Z < 0.0f && vp3.Z < 0.0f &&
((v2_left != v1_left) || (v3_left != v1_left)))
{
// we need to "wrap" texture coordinates
if (v1.Tu < 0.5f)
{
v1.Tu += 1.0f;
}
if (v2.Tu < 0.5f)
{
v2.Tu += 1.0f;
}
if (v3.Tu < 0.5f)
{
v3.Tu += 1.0f;
}
}
// add configured verticies to mesh..
UInt16 idx1 = vertexSoup.digestVertex(ref v1);
UInt16 idx2 = vertexSoup.digestVertex(ref v2);
UInt16 idx3 = vertexSoup.digestVertex(ref v3);
indexList.Add(idx1);
indexList.Add(idx2);
indexList.Add(idx3);
}
UpdateVertices(vertexSoup.verticies.ToArray());
UpdateIndices(indexList.ToArray());
}
static void Main(string[] args)
{
IcoSphereCreator dome = new IcoSphereCreator();
OBJFileParser g = dome.Create(1);
}
