void Start()
{
var sphe = new DtSphere {
radius = sphereRadius
};
var cone = new DtCone {
height = arrowHeight, topRadius = 0.001, bottomRadius = arrowConeBase, localPos = new Vector3(0, -arrowHeight, 0)
};
_aFrom = fun.meshes.CreateSphere(sphe).SetName("A_From").SetStandardShaderTransparentColor(0, 1, 0, 1).transform;
_aTo = fun.meshes.CreateCone(cone).SetName("A_To").SetStandardShaderTransparentColor(0, 1, 0, 1).transform;
_bFrom = fun.meshes.CreateSphere(sphe).SetName("B_From").SetStandardShaderTransparentColor(0, 0, 1, 1).transform;
_bTo = fun.meshes.CreateCone(cone).SetName("B_To").SetStandardShaderTransparentColor(0, 0, 1, 1).transform;
_cFrom = fun.meshes.CreateSphere(new DtSphere {
radius = sphereRadius
}).SetName("C_From").SetStandardShaderTransparentColor(1, 0, 1, 1).transform;
_cTo = fun.meshes.CreateCone(new DtCone {
height = arrowHeight / 3f, topRadius = 0.001, bottomRadius = arrowConeBase / 3f, localPos = new Vector3(0, -arrowHeight / 3f, 0)
}).SetName("C_To").SetStandardShaderTransparentColor(1, 0, 1, 1).transform;
_cFrom.position = V3(0, 0.5, 0);
_aFrom.position = V3(0, 0, 0);
_bFrom.position = V3(1, 0, 0);
_aTo.position = V3(0.4, 0, 0);
_bTo.position = V3(0.6, 0, 0);
}
public static GameObject CreateSphere(DtSphere dt)
{
Mesh m;
var gameObject = CreateGameObject("Sphere", dt, out m);
var radius = (float)dt.radius;
// Longitude |||
int nbLong = dt.longitude;
// Latitude ---
int nbLat = dt.latitude;
#region Vertices
Vector3[] vertices = new Vector3[(nbLong + 1) * nbLat + 2];
float _pi = Mathf.PI;
float _2pi = _pi * 2f;
vertices[0] = Vector3.up * radius;
for (int lat = 0; lat < nbLat; lat++)
{
float a1 = _pi * (float)(lat + 1) / (nbLat + 1);
float sin1 = Mathf.Sin(a1);
float cos1 = Mathf.Cos(a1);
for (int lon = 0; lon <= nbLong; lon++)
{
float a2 = _2pi * (float)(lon == nbLong ? 0 : lon) / nbLong;
float sin2 = Mathf.Sin(a2);
float cos2 = Mathf.Cos(a2);
vertices[lon + lat * (nbLong + 1) + 1] = new Vector3(sin1 * cos2, cos1, sin1 * sin2) * radius;
}
}
vertices[vertices.Length - 1] = Vector3.up * -radius;
#endregion
#region Normales
Vector3[] normales = new Vector3[vertices.Length];
for (int n = 0; n < vertices.Length; n++)
{
normales[n] = vertices[n].normalized;
}
#endregion
#region UVs
Vector2[] uvs = new Vector2[vertices.Length];
uvs[0] = Vector2.up;
uvs[uvs.Length - 1] = Vector2.zero;
for (int lat = 0; lat < nbLat; lat++)
{
for (int lon = 0; lon <= nbLong; lon++)
{
uvs[lon + lat * (nbLong + 1) + 1] = new Vector2((float)lon / nbLong, 1f - (float)(lat + 1) / (nbLat + 1));
}
}
#endregion
#region Triangles
int nbFaces = vertices.Length;
int nbTriangles = nbFaces * 2;
int nbIndexes = nbTriangles * 3;
int[] triangles = new int[nbIndexes];
//Top Cap
int i = 0;
for (int lon = 0; lon < nbLong; lon++)
{
triangles[i++] = lon + 2;
triangles[i++] = lon + 1;
triangles[i++] = 0;
}
//Middle
for (int lat = 0; lat < nbLat - 1; lat++)
{
for (int lon = 0; lon < nbLong; lon++)
{
int current = lon + lat * (nbLong + 1) + 1;
int next = current + nbLong + 1;
triangles[i++] = current;
triangles[i++] = current + 1;
triangles[i++] = next + 1;
triangles[i++] = current;
triangles[i++] = next + 1;
triangles[i++] = next;
}
}
//Bottom Cap
for (int lon = 0; lon < nbLong; lon++)
{
triangles[i++] = vertices.Length - 1;
triangles[i++] = vertices.Length - (lon + 2) - 1;
triangles[i++] = vertices.Length - (lon + 1) - 1;
}
#endregion
m.vertices = vertices;
m.normals = normales;
m.uv = uvs;
m.triangles = triangles;
m.RecalculateBounds();
;
return(gameObject);
}
