// Use this for initialization
void Start()
{
List <Vector3> vertices = new List <Vector3>();
List <Vector3> normals = new List <Vector3>();
List <Vector2> uvs = new List <Vector2>();
float meshSmooth = 60;
THREE.Geometry testGeometry;
THREE.ClosedSplineCurve3 closedSpline = new THREE.ClosedSplineCurve3(new List <Vector3>(new Vector3[] {
new Vector3(-60, -100, 60),
new Vector3(-60, 20, 60),
new Vector3(-60, 120, 60),
new Vector3(60, 20, -60),
new Vector3(60, -100, -60)
}));
THREE.ExtrudeGeometry.Option extrudeSettings = new THREE.ExtrudeGeometry.Option();
extrudeSettings.steps = 100;
extrudeSettings.bevelEnabled = false;
extrudeSettings.extrudePath = closedSpline;
List <Vector2> pts = new List <Vector2>();
int count = 3;
for (int i = 0; i < count; i++)
{
float l = 20;
float a = 2 * (float)i / count * Mathf.PI;
pts.Add(new Vector2(Mathf.Cos(a) * l, Mathf.Sin(a) * l));
}
THREE.Shape shape = new THREE.Shape(pts);
testGeometry = new THREE.ExtrudeGeometry(new List <THREE.Shape>(new THREE.Shape[] { shape }), extrudeSettings);
//testGeometry.computeVertexNormals();
UnityEngine.Mesh mesh0 = testGeometry.GetMesh(meshSmooth);
vertices.AddRange(mesh0.vertices);
normals.AddRange(mesh0.normals);
uvs.AddRange(mesh0.uv);
//
List <Vector3> randomPoints = new List <Vector3>();
for (int i = 0; i < 10; i++)
{
randomPoints.Add(new Vector3((i - 4.5f) * 50, Random.Range(-50.0f, 50.0f), Random.Range(-50.0f, 50.0f)));
}
SplineCurve3 randomSpline = new SplineCurve3(randomPoints);
THREE.ExtrudeGeometry.Option extrude0Settings = new THREE.ExtrudeGeometry.Option();
extrude0Settings.steps = 200;
extrude0Settings.bevelEnabled = false;
extrude0Settings.extrudePath = randomSpline;
List <Vector2> pts0 = new List <Vector2>();
int numPts = 5;
for (int i = 0; i < numPts * 2; i++)
{
int l = i % 2 == 1 ? 10 : 20;
float a = (float)i / numPts * Mathf.PI;
pts0.Add(new Vector2(Mathf.Cos(a) * l, Mathf.Sin(a) * l));
}
Shape shape0 = new Shape(pts0);
testGeometry = new THREE.ExtrudeGeometry(new List <Shape>(new Shape[] { shape0 }), extrude0Settings);
UnityEngine.Mesh mesh1 = testGeometry.GetMesh(meshSmooth);
vertices.AddRange(mesh1.vertices);
normals.AddRange(mesh1.normals);
uvs.AddRange(mesh1.uv);
// //
THREE.ExtrudeGeometry.Option extrude1Settings = new THREE.ExtrudeGeometry.Option();
extrude1Settings.amount = 20;
extrude1Settings.steps = 1;
extrude1Settings.bevelEnabled = false;
extrude1Settings.bevelThickness = 2;
extrude1Settings.bevelSize = 4;
extrude1Settings.bevelSegments = 1;
testGeometry = new THREE.ExtrudeGeometry(new List <Shape>(new Shape[] { shape0 }), extrude1Settings);
UnityEngine.Mesh mesh2 = testGeometry.GetMesh(meshSmooth);
vertices.AddRange(mesh2.vertices);
normals.AddRange(mesh2.normals);
uvs.AddRange(mesh2.uv);
// unity submesh
MeshRenderer mr = this.gameObject.AddComponent <MeshRenderer>();
MeshFilter mf = this.gameObject.AddComponent <MeshFilter>();
UnityEngine.Mesh mesh = new UnityEngine.Mesh();
mesh.vertices = vertices.ToArray();
mesh.normals = normals.ToArray();
mesh.uv = uvs.ToArray();
mesh.subMeshCount = 3;
mesh.SetTriangles(mesh0.triangles, 0);
int offsetIndex1 = mesh0.vertexCount;
int[] orgTris = mesh1.triangles;
int[] tris = new int[orgTris.Length];
for (int j = 0; j < tris.Length; j++)
{
tris[j] = orgTris[j] + offsetIndex1;
}
mesh.SetTriangles(tris, 1);
int offsetIndex2 = offsetIndex1 + mesh1.vertexCount;
int[] orgTris2 = mesh2.triangles;
int[] tris2 = new int[orgTris2.Length];
for (int j = 0; j < tris2.Length; j++)
{
tris2[j] = orgTris2[j] + offsetIndex2;
}
mesh.SetTriangles(tris2, 2);
//mesh.RecalculateNormals();
mf.mesh = mesh;
mr.materials = materials;
}
