public void Triangulate(Contours contours, MeshDraft draft)
{
this.contours = contours;
this.draft = draft;
draft.Clear();
for (int y = 0; y < contours.squaresLengthY; y++)
{
for (int x = 0; x < contours.squaresLengthX; x++)
{
byte square = contours.GetSquare(x, y);
switch (square)
{
case 0:
break;
case 1: // ▖
AddBottomLeftTriangle(x, y);
break;
case 2: // ▘
AddTopLeftTriangle(x, y);
break;
case 4: // ▝
AddTopRightTriangle(x, y);
break;
case 8: // ▗
AddBottomRightTriangle(x, y);
break;
case 3: // ▌
AddLeftHalf(x, y);
break;
case 6: // ▀
AddTopHalf(x, y);
break;
case 12: // ▐
AddRightHalf(x, y);
break;
case 9: // ▄
AddBottomHalf(x, y);
break;
case 5: // ▞
AddBottomLeftTriangle(x, y);
AddTopRightTriangle(x, y);
break;
case 21: // ▞ filled center
AddBottomLeftHexagon(x, y);
break;
case 10: // ▚
AddTopLeftTriangle(x, y);
AddBottomRightTriangle(x, y);
break;
case 26: // ▚ filled center
AddTopLeftHexagon(x, y);
break;
case 7: // ▛
AddTopLeftPentagon(x, y);
break;
case 14: // ▜
AddTopRightPentagon(x, y);
break;
case 13: // ▟
AddBottomRightPentagon(x, y);
break;
case 11: // ▙
AddBottomLeftPentagon(x, y);
break;
case 15: // ⬛
int lastQuadIndex = x;
for (int i = x + 1; i < contours.squaresLengthX; i++)
{
if (contours.GetSquare(i, y) == 15)
{
lastQuadIndex = i;
}
else
{
break;
}
}
AddQuad(x, lastQuadIndex, y);
x = lastQuadIndex;
break;
}
}
}
}