public static void drawGraph(NvgContext vg, float x, float y, float w, float h, float t)
{
Paint bg;
float[] samples = new float[6];
float[] sx = new float[6], sy = new float[6];
float dx = w / 5.0f;
int i;
samples[0] = (1 + (float)Math.Sin(t * 1.2345f + (float)Math.Cos(t * 0.33457f) * 0.44f)) * 0.5f;
samples[1] = (1 + (float)Math.Sin(t * 0.68363f + (float)Math.Cos(t * 1.3f) * 1.55f)) * 0.5f;
samples[2] = (1 + (float)Math.Sin(t * 1.1642f + (float)Math.Cos(t * 0.33457) * 1.24f)) * 0.5f;
samples[3] = (1 + (float)Math.Sin(t * 0.56345f + (float)Math.Cos(t * 1.63f) * 0.14f)) * 0.5f;
samples[4] = (1 + (float)Math.Sin(t * 1.6245f + (float)Math.Cos(t * 0.254f) * 0.3f)) * 0.5f;
samples[5] = (1 + (float)Math.Sin(t * 0.345f + (float)Math.Cos(t * 0.03f) * 0.6f)) * 0.5f;
for (i = 0; i < 6; i++)
{
sx[i] = x + i * dx;
sy[i] = y + h * samples[i] * 0.8f;
}
// Graph background
bg = vg.LinearGradient(x, y, x, y + h, new Color(0, 160, 192, 0), new Color(0, 160, 192, 64));
vg.BeginPath();
vg.MoveTo(sx[0], sy[0]);
for (i = 1; i < 6; i++)
{
vg.BezierTo(sx[i - 1] + dx * 0.5f, sy[i - 1], sx[i] - dx * 0.5f, sy[i], sx[i], sy[i]);
}
vg.LineTo(x + w, y + h);
vg.LineTo(x, y + h);
vg.FillPaint(bg);
vg.Fill();
// Graph line
vg.BeginPath();
vg.MoveTo(sx[0], sy[0] + 2);
for (i = 1; i < 6; i++)
{
vg.BezierTo(sx[i - 1] + dx * 0.5f, sy[i - 1] + 2, sx[i] - dx * 0.5f, sy[i] + 2, sx[i], sy[i] + 2);
}
vg.StrokeColor(new Color(0, 0, 0, 32));
vg.StrokeWidth(3.0f);
vg.Stroke();
vg.BeginPath();
vg.MoveTo(sx[0], sy[0]);
for (i = 1; i < 6; i++)
{
vg.BezierTo(sx[i - 1] + dx * 0.5f, sy[i - 1], sx[i] - dx * 0.5f, sy[i], sx[i], sy[i]);
}
vg.StrokeColor(new Color(0, 160, 192, 255));
vg.StrokeWidth(3.0f);
vg.Stroke();
// Graph sample pos
for (i = 0; i < 6; i++)
{
bg = vg.RadialGradient(sx[i], sy[i] + 2, 3.0f, 8.0f, new Color(0, 0, 0, 32), new Color(0, 0, 0, 0));
vg.BeginPath();
vg.Rect(sx[i] - 10, sy[i] - 10 + 2, 20, 20);
vg.FillPaint(bg);
vg.Fill();
}
vg.BeginPath();
for (i = 0; i < 6; i++)
{
vg.Circle(sx[i], sy[i], 4.0f);
}
vg.FillColor(new Color(0, 160, 192, 255));
vg.Fill();
vg.BeginPath();
for (i = 0; i < 6; i++)
{
vg.Circle(sx[i], sy[i], 2.0f);
}
vg.FillColor(new Color(220, 220, 220, 255));
vg.Fill();
vg.StrokeWidth(1.0f);
}