private void DrawGraph()
{
// Background
Vector2 startingPos = GraphArea.position;
Rect size = GraphArea.rect;
CameraPrimitives.DrawQuad(new Rect(startingPos.x, startingPos.y, size.width, size.height), BackgroundColour);
if (samples.Count < 2)
{
// Don't draw unless there are at least two points.
return;
}
// Draw the current samples.
Vector2 a = new Vector2();
Vector2 b = new Vector2();
int total = samples.Count - 1;
float yStart = SupportNegatives ? size.height / 2f : 0f;
for (int i = 0; i < total; i++)
{
// Draw line from this point to the next point.
// We need to work out the X and Y positions.
// How many vertical pixels do we have?
float sx = size.width * ((float)i / total);
float ex = size.width * ((float)(i + 1) / total);
float sy = yStart + size.height * (samples[i] / Scale * (SupportNegatives ? 0.5f : 1f));
float ey = yStart + size.height * (samples[i + 1] / Scale * (SupportNegatives ? 0.5f : 1f));
// Apply values.
a.x = startingPos.x + sx;
b.x = startingPos.x + ex;
a.y = startingPos.y + sy;
b.y = startingPos.y + ey;
// Draw
CameraPrimitives.DrawLine(a, b, Color.red);
}
}
public void OnDestroy()
{
Instance = null;
}
public void Awake()
{
Instance = this;
}