// Use this for initialization
void Start()
{
THREE.Geometry geometry;
AddRenderObject(new THREE.SphereGeometry(75, 20, 10), material, new Vector3(-400, 0, 200));
AddRenderObject(new THREE.IcosahedronGeometry(75, 1), material, new Vector3(-200, 0, 200));
AddRenderObject(new THREE.OctahedronGeometry(75, 2), material, new Vector3(0, 0, 200));
AddRenderObject(new THREE.TetrahedronGeometry(75, 0), material, new Vector3(200, 0, 200));
AddRenderObject(new THREE.PlaneGeometry(100, 100, 4, 4), material, new Vector3(-400, 0, 0));
geometry = AddRenderObject(new THREE.BoxGeometry(100, 100, 100, 4, 4, 4), material, new Vector3(-200, 0, 0));
AddRenderObject(new THREE.CircleGeometry(50, 20, 0, Mathf.PI * 2), material, new Vector3(0, 0, 0));
AddRenderObject(new THREE.RingGeometry(10, 50, 20, 5, 0, Mathf.PI * 2), material, new Vector3(200, 0, 0));
AddRenderObject(new THREE.CylinderGeometry(25, 75, 100, 40, 5, false), material, new Vector3(400, 0, 0));
//
List <Vector3> points = new List <Vector3>();
for (var i = 0; i < 50; i++)
{
points.Add(new Vector3(Mathf.Sin(i * 0.2f) * Mathf.Sin(i * 0.1f) * 15 + 50, 0, (i - 5) * 2));
}
AddRenderObject(new THREE.LatheGeometry(points, 20), material, new Vector3(-400, 0, -200));
AddRenderObject(new THREE.TorusGeometry(50, 20, 20, 20), material, new Vector3(-200, 0, -200));
AddRenderObject(new THREE.TorusKnotGeometry(50, 10, 50, 20), material, new Vector3(0, 0, -200));
THREE.Line lineMesh = new THREE.Line(new THREE.Geometry(), wireMaterial);
THREE.Geometry geo = geometry;
for (int i = 0; i < geo.faces.Count; i++)
{
THREE.Face3 _face = geo.faces[i];
List <int> tri = _face.GetTriangles();
for (int n = 0; n < tri.Count; n++)
{
Vector3 normal = _face.vertexNormals[n];
THREE.ArrowHelper arrow = new THREE.ArrowHelper(normal, geo.vertices[tri[n]], 10, Color.green);
lineMesh.Add(arrow);
}
}
AddRenderLineObject(lineMesh.geo, wireMaterial, new Vector3(-200, 0, 0));
}
// Use this for initialization
protected override void Init()
{
base.Init();
// NURBS curve
List <Vector4> nurbsControlPoints = new List <Vector4>();
List <float> nurbsKnots = new List <float>();
int nurbsDegree = 3;
for (int i = 0; i <= nurbsDegree; i++)
{
nurbsKnots.Add(0);
}
for (int i = 0, j = 20; i < j; i++)
{
nurbsControlPoints.Add(
new Vector4(
Random.value * 400 - 200,
Random.value * 400,
Random.value * 400 - 200,
1 // weight of control point: higher means stronger attraction
)
);
float knot = (float)(i + 1) / (j - nurbsDegree);
nurbsKnots.Add(Mathf.Clamp(knot, 0, 1));
}
THREE.NURBSCurve nurbsCurve = new THREE.NURBSCurve(nurbsDegree, nurbsKnots.ToArray(), nurbsControlPoints.ToArray());
THREE.Geometry nurbsGeometry = new THREE.Geometry();
List <Vector3> pts = nurbsCurve.getPoints(200);
nurbsGeometry.vertices = pts;
THREE.Line nurbsLine = new THREE.Line(nurbsGeometry, wireMaterial);
nurbsLine.position = Vector3.zero;
scene.Add(nurbsLine);
// controlPoints
THREE.Geometry nurbsControlPointsGeometry = new THREE.Geometry();
nurbsControlPointsGeometry.vertices = new List <Vector3>(nurbsCurve.getVec3ControlPoints());
THREE.Line nurbsControlPointsLine = new THREE.Line(nurbsControlPointsGeometry, wireMaterial);
nurbsControlPointsLine.position = nurbsLine.position;
scene.Add(nurbsControlPointsLine);
// NURBS surface
Vector4[][] nsControlPoints = new Vector4[][] {
new Vector4[] {
new Vector4(-200, -200, 100, 1),
new Vector4(-200, -100, -200, 1),
new Vector4(-200, 100, 250, 1),
new Vector4(-200, 200, -100, 1)
},
new Vector4[] {
new Vector4(0, -200, 0, 1),
new Vector4(0, -100, -100, 5),
new Vector4(0, 100, 150, 5),
new Vector4(0, 200, 0, 1)
},
new Vector4[] {
new Vector4(200, -200, -100, 1),
new Vector4(200, -100, 200, 1),
new Vector4(200, 100, -250, 1),
new Vector4(200, 200, 100, 1)
}
};
int degree1 = 2;
int degree2 = 3;
float[] knots1 = new float[] { 0, 0, 0, 1, 1, 1 };
float[] knots2 = new float[] { 0, 0, 0, 0, 1, 1, 1, 1 };
nurbsSurface = new THREE.NURBSSurface(degree1, degree2, knots1, knots2, nsControlPoints);
THREE.ParametricGeometry geometry = new THREE.ParametricGeometry(getSurfacePoint, 20, 20);
THREE.MeshThreeJs mesh = new THREE.MeshThreeJs(geometry, material);
mesh.position = new Vector3(0, 0, 0);
scene.Add(mesh);
t_nsControlPoints = nsControlPoints;
}
// Use this for initialization
protected override void Init()
{
base.Init();
THREE.MeshThreeJs drawNormalMesh;
THREE.MeshThreeJs threeMesh;
threeMesh = new THREE.MeshThreeJs(new THREE.SphereGeometry(75, 20, 10), material);
threeMesh.position = new Vector3(-400, 0, 200);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.IcosahedronGeometry(75, 1), material);
threeMesh.position = new Vector3(-200, 0, 200);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.OctahedronGeometry(75, 2), material);
threeMesh.position = new Vector3(0, 0, 200);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.TetrahedronGeometry(75, 0), material);
threeMesh.position = new Vector3(200, 0, 200);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.PlaneGeometry(100, 100, 4, 4), material);
threeMesh.position = new Vector3(-400, 0, 0);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.BoxGeometry(100, 100, 100, 4, 4, 4), material);
threeMesh.position = new Vector3(-200, 0, 0);
scene.Add(threeMesh);
drawNormalMesh = threeMesh; // Draw Normal Mesh
threeMesh = new THREE.MeshThreeJs(new THREE.CircleGeometry(50, 20, 0, Mathf.PI * 2), material);
threeMesh.position = new Vector3(0, 0, 0);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.RingGeometry(10, 50, 20, 5, 0, Mathf.PI * 2), material);
threeMesh.position = new Vector3(200, 0, 0);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.CylinderGeometry(25, 75, 100, 40, 5, false), material);
threeMesh.position = new Vector3(400, 0, 0);
scene.Add(threeMesh);
//
List <Vector3> points = new List <Vector3>();
for (var i = 0; i < 50; i++)
{
points.Add(new Vector3(Mathf.Sin(i * 0.2f) * Mathf.Sin(i * 0.1f) * 15 + 50, 0, (i - 5) * 2));
}
threeMesh = new THREE.MeshThreeJs(new THREE.LatheGeometry(points, 20), material);
threeMesh.position = new Vector3(-400, 0, -200);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.TorusGeometry(50, 20, 20, 20), material);
threeMesh.position = new Vector3(-200, 0, -200);
scene.Add(threeMesh);
threeMesh = new THREE.MeshThreeJs(new THREE.TorusKnotGeometry(50, 10, 50, 20), material);
threeMesh.position = new Vector3(0, 0, -200);
scene.Add(threeMesh);
/*
* threeMesh = new THREE.AxisHelper( 50 );
* threeMesh.position.set( 200, 0, -200 );
* scene.Add( threeMesh );
*
* threeMesh = new THREE.ArrowHelper( new THREE.Vector3( 0, 1, 0 ), new THREE.Vector3( 0, 0, 0 ), 50 );
* threeMesh.position.set( 400, 0, -200 );
* scene.Add( threeMesh );
*/
THREE.Line lineMesh = new THREE.Line(new THREE.Geometry(), wireMaterial);
lineMesh.position = drawNormalMesh.position;
THREE.Geometry geo = drawNormalMesh.geo;
for (int i = 0; i < geo.faces.Count; i++)
{
THREE.Face3 _face = geo.faces[i];
int[] tri = _face.GetTriangles();
for (int n = 0; n < tri.Length; n++)
{
Vector3 normal = _face.vertexNormals[n];
THREE.ArrowHelper arrow = new THREE.ArrowHelper(normal, geo.vertices[tri[n]], 10, Color.green);
lineMesh.Add(arrow);
}
}
scene.Add(lineMesh);
}