public void OnPostRender()
{
if (!_material)
{
_material = new Material(Shader.Find("Hidden/Internal-Colored"));
}
GL.PushMatrix();
GL.LoadOrtho();
_material.SetPass(0);
GL.Begin(GL.LINES);
GL.Color(Color.red);
var startX = 0f;
var endX = 1f;
var count = 1000;
var delta = (endX - startX) / count;
var x = startX;
for (var i = 0; i < count; i++)
{
var y = 0.5f;
var offset = _noise.Evaluate(x * _frequency) * _amplitude;
GL.Vertex(new Vector3(x, y + offset, 0.5f));
x += delta;
offset = _noise.Evaluate(x * _frequency) * _amplitude;
GL.Vertex(new Vector3(x, y + offset, 0.5f));
}
GL.End();
GL.PopMatrix();
}