private void drawRect(int i, int j)
{
double x1, y1, x2, y2, x3, y3, x4, y4;
float heightVal = (float)(grid.GetCellByIdx(i, j));
if (heightVal >= .1)
{
grid.GetReals(i, j, out x1, out y1);
grid.GetReals(i + 1, j, out x2, out y2);
grid.GetReals(i, j + 1, out x3, out y3);
grid.GetReals(i + 1, j + 1, out x4, out y4);
//pen = new GLPen(ColorFromHeight(heightVal), 1f);
//pen.GLApplyPen();
//Gl.glVertex3f((float)x, (float)y, heightVal);
//Gl.glVertex3f((float)x, (float)y, 0);
GLUtility.Draw3DRectangle(new GLPen(ColorFromHeight(heightVal), 1f),
new Vector3(x1, y1, heightVal),
new Vector3(x2, y2, grid.GetCellByIdx(i + 1, j)),
new Vector3(x3, y3, grid.GetCellByIdx(i, j + 1)),
new Vector3(x4, y4, grid.GetCellByIdx(i + 1, j + 1)));
}
}
