public static void bienB_repOZ(ref B_Rep w, float a)
{
for (int i = 0; i < w.nVert; i++)
{
w.vert[i] = xoayDiemOZ(w.vert[i], a);
}
}
//--------------- Khu mat khuat ------------------
public static void khuMatKhuat(ref B_Rep w, Vector v)
{
Vector n;
for (int i = 0; i < w.nPoly - 2; i++)
{
n = w.poly[i].PVector;
if (n.x * v.x + n.y * v.y + n.z * v.z < 0) w.poly[i].Visible = 0;
else w.poly[i].Visible = 1;
}
}
public static void tinhPhapVector(ref B_Rep w, double phiTraiDat, double tetaTraiDat)
{
Point3D p1 = new Point3D();
Point3D p2 = new Point3D();
Point3D p3 = new Point3D();
Vector n = new Vector();
for (int i = 0; i < w.nPoly - 2; i++)
{
p1 = w.vert[w.poly[i].Vertexes[0]];
p2 = w.vert[w.poly[i].Vertexes[1]];
p3 = w.vert[w.poly[i].Vertexes[2]];
DoiHeToaDo(ref p1, 200, phiTraiDat, tetaTraiDat);
DoiHeToaDo(ref p2, 200, phiTraiDat, tetaTraiDat);
DoiHeToaDo(ref p3, 200, phiTraiDat, tetaTraiDat);
n.x = p1.y * (p2.z - p3.z) + p2.y * (p3.z - p1.z) + p3.y * (p1.z - p2.z);
n.y = p1.z * (p2.x - p3.x) + p2.z * (p3.x - p1.x) + p3.z * (p1.x - p2.x);
n.z = p1.x * (p2.y - p3.y) + p2.x * (p3.y - p1.y) + p3.x * (p1.y - p2.y);
w.poly[i].PVector = n;
}
}
public static void veSS_viewxyMT(Graphics graphics,B_Rep w, double phiMatTroi, double tetaMatTroi,Point2D p0, Color color)
{
int j;
var p1 = new Point2D();
var p2 = new Point2D();
for (int i = 0; i < w.nPoly - 2; i++)
{
if (w.poly[i].Visible == 1)
{
for (j = 0; j < w.poly[i].NVert - 1; j++)
{
Point3D p13D = w.vert[w.poly[i].Vertexes[j]];
DoiHeToaDo(ref p13D, 200, phiMatTroi, tetaMatTroi);
p1.x = p13D.x;
p1.y = p13D.y;
//p1 = this.chieuPCoxy(p13D, 500);
Point3D p23D = w.vert[w.poly[i].Vertexes[j + 1]];
DoiHeToaDo(ref p23D, 200, phiMatTroi, tetaMatTroi);
p2.x = p23D.x;
p2.y = p23D.y;
//p2 = this.chieuPCoxy(p23D, 500);
//MyLine(p1, p2, this.graphics);
MyLine(p0, color, p1, p2, graphics);
}
Point3D p113D = w.vert[w.poly[i].Vertexes[0]];
DoiHeToaDo(ref p113D, 200, phiMatTroi, tetaMatTroi);
p1.x = p113D.x;
p1.y = p113D.y;
Point3D p123D = w.vert[w.poly[i].Vertexes[j]];
DoiHeToaDo(ref p123D, 200, phiMatTroi, tetaMatTroi);
p2.x = p123D.x;
p2.y = p123D.y;
MyLine(p0, color, p1, p2, graphics);
}
}
}
public void bienB_repOZ(ref B_Rep w, float a)
{
Drawing.bienB_repOZ(ref this.wireFrame, gocQuay);
}