public Image(string filename, double pixelPerMm, double x, double y, double z, double height)
{
Bitmap bitmap = new Bitmap(filename);
byte[] data = BitmapToByteArray(bitmap);
int w = bitmap.Width;
int h = bitmap.Height;
for (int py = 0; py < h; py++)//{r(0, h - 1, py =>
{
for (int px = 0; px < w; px++)
{
byte c = data[(px + (h - 1 - py) * w) * 4];
if (c < 128)
{
Box box = new Box(x + px / pixelPerMm, y + py / pixelPerMm, x + (px + 1) / pixelPerMm, y + (py + 1) / pixelPerMm, z, height);
mg.Add(box.ToMesh());
}
}
}
;
}
public SlitPipe(double x, double y, double z, double height, double innerPhi, double outerPhi)
{
int poly = 16;
for (int i = 0; i < poly - 1; i++)
{
double dl = (360.0 * i / poly) * Math.PI / 180.0;
double dh = (360.0 * i / poly + 360.0 / poly) * Math.PI / 180.0;
double x0 = x + Math.Cos(dl) * innerPhi / 2.0;
double y0 = y + Math.Sin(dl) * innerPhi / 2.0;
double x1 = x + Math.Cos(dl) * outerPhi / 2.0;
double y1 = y + Math.Sin(dl) * outerPhi / 2.0;
double x2 = x + Math.Cos(dh) * outerPhi / 2.0;
double y2 = y + Math.Sin(dh) * outerPhi / 2.0;
double x3 = x + Math.Cos(dh) * innerPhi / 2.0;
double y3 = y + Math.Sin(dh) * innerPhi / 2.0;
Box box = new Box(x0, y0, x1, y1, x2, y2, x3, y3, z, height);
mg.Add(box.ToMesh());
}
}
public BoxZHole(
double x0, double y0, double x1, double y1,
double x2, double y2, double x3, double y3,
double holeX, double holeY, double z, double height, double phi)
{
// 中点を求める
double x5 = (x0 + x1) / 2.0;
double y5 = (y0 + y1) / 2.0;
double x6 = (x1 + x2) / 2.0;
double y6 = (y1 + y2) / 2.0;
double x7 = (x2 + x3) / 2.0;
double y7 = (y2 + y3) / 2.0;
double x8 = (x3 + x0) / 2.0;
double y8 = (y3 + y0) / 2.0;
// 四角形の回転量を求める
double phase = Math.Atan2(y6, x6);
// 多角柱の各座標を求める
int poly = 16;
Vector2[] p = new Vector2[poly];
for (int i = 0; i < poly; i++)
{
double d = phase + 2.0 * Math.PI * i / poly;
p[i] = new Vector2(
holeX + Math.Cos(d) * phi / 2.0,
holeY + Math.Sin(d) * phi / 2.0);
}
// 四角柱で物体を構成
mg.Add(new Box(p[0].X, p[0].Y, x6, y6, (x2 + x6) / 2, (y2 + y6) / 2, p[1].X, p[1].Y, z, height));
mg.Add(new Box(p[1].X, p[1].Y, (x2 + x6) / 2, (y2 + y6) / 2, x2, y2, p[2].X, p[2].Y, z, height));
mg.Add(new Box(p[2].X, p[2].Y, x2, y2, (x2 + x7) / 2, (y2 + y7) / 2, p[3].X, p[3].Y, z, height));
mg.Add(new Box(p[3].X, p[3].Y, (x2 + x7) / 2, (y2 + y7) / 2, x7, y7, p[4].X, p[4].Y, z, height));
mg.Add(new Box(p[4].X, p[4].Y, x7, y7, (x3 + x7) / 2, (y3 + y7) / 2, p[5].X, p[5].Y, z, height));
mg.Add(new Box(p[5].X, p[5].Y, (x3 + x7) / 2, (y3 + y7) / 2, x3, y3, p[6].X, p[6].Y, z, height));
mg.Add(new Box(p[6].X, p[6].Y, x3, y3, (x3 + x8) / 2, (y3 + y8) / 2, p[7].X, p[7].Y, z, height));
mg.Add(new Box(p[7].X, p[7].Y, (x3 + x8) / 2, (y3 + y8) / 2, x8, y8, p[8].X, p[8].Y, z, height));
mg.Add(new Box(p[8].X, p[8].Y, x8, y8, (x8 + x0) / 2, (y8 + y0) / 2, p[9].X, p[9].Y, z, height));
mg.Add(new Box(p[9].X, p[9].Y, (x8 + x0) / 2, (y8 + y0) / 2, x0, y0, p[10].X, p[10].Y, z, height));
mg.Add(new Box(p[10].X, p[10].Y, x0, y0, (x5 + x0) / 2, (y5 + y0) / 2, p[11].X, p[11].Y, z, height));
mg.Add(new Box(p[11].X, p[11].Y, (x5 + x0) / 2, (y5 + y0) / 2, x5, y5, p[12].X, p[12].Y, z, height));
mg.Add(new Box(p[12].X, p[12].Y, x5, y5, (x1 + x5) / 2, (y1 + y5) / 2, p[13].X, p[13].Y, z, height));
mg.Add(new Box(p[13].X, p[13].Y, (x1 + x5) / 2, (y1 + y5) / 2, x1, y1, p[14].X, p[14].Y, z, height));
mg.Add(new Box(p[14].X, p[14].Y, x1, y1, (x1 + x6) / 2, (y1 + y6) / 2, p[15].X, p[15].Y, z, height));
mg.Add(new Box(p[15].X, p[15].Y, (x1 + x6) / 2, (y1 + y6) / 2, x6, y6, p[0].X, p[0].Y, z, height));
}