public static void drawLines(NvgContext vg, float x, float y, float w, float h, float t)
{
int i, j;
float pad = 5.0f, s = w / 9.0f - pad * 2;
float[] pts = new float[4 * 2];
float fx, fy;
LineCap[] joins = new LineCap[] { LineCap.Miter, LineCap.Round, LineCap.Bevel };
LineCap[] caps = new LineCap[] { LineCap.Butt, LineCap.Round, LineCap.Square };
vg.Save();
pts[0] = -s * 0.25f + (float)Math.Cos(t * 0.3f) * s * 0.5f;
pts[1] = (float)Math.Sin(t * 0.3f) * s * 0.5f;
pts[2] = -s * 0.25f;
pts[3] = 0;
pts[4] = s * 0.25f;
pts[5] = 0;
pts[6] = s * 0.25f + (float)Math.Cos(-t * 0.3f) * s * 0.5f;
pts[7] = (float)Math.Sin(-t * 0.3f) * s * 0.5f;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
fx = x + s * 0.5f + (i * 3 + j) / 9.0f * w + pad;
fy = y - s * 0.5f + pad;
vg.LineCap(caps[i]);
vg.LineJoin(joins[j]);
vg.StrokeWidth(s * 0.3f);
vg.StrokeColor(new Color(0, 0, 0, 160));
vg.BeginPath();
vg.MoveTo(fx + pts[0], fy + pts[1]);
vg.LineTo(fx + pts[2], fy + pts[3]);
vg.LineTo(fx + pts[4], fy + pts[5]);
vg.LineTo(fx + pts[6], fy + pts[7]);
vg.Stroke();
vg.LineCap(LineCap.Butt);
vg.LineJoin(LineCap.Bevel);
vg.StrokeWidth(1.0f);
vg.StrokeColor(new Color(0, 192, 255, 255));
vg.BeginPath();
vg.MoveTo(fx + pts[0], fy + pts[1]);
vg.LineTo(fx + pts[2], fy + pts[3]);
vg.LineTo(fx + pts[4], fy + pts[5]);
vg.LineTo(fx + pts[6], fy + pts[7]);
vg.Stroke();
}
}
vg.Restore();
}