void GlDrawLine(VectorLine line)
{
int end = line.Points.Count - 1;
float thisWidth = _lineWidth * line.Width;
_lineMaterial.SetPass(0);
if (line.Width == 1)
{
GL.Begin(GL.LINES);
GL.Color(line.Color);
for (int i = 0; i < end; ++i)
{
GL.Vertex(_camera.ViewportToWorldPoint(new Vector3(line.Points[i].x, line.Points[i].y, _nearClip)));
GL.Vertex(_camera.ViewportToWorldPoint(new Vector3(line.Points[i + 1].x, line.Points[i + 1].y, _nearClip)));
}
}
else
{
GL.Begin(GL.QUADS);
GL.Color(line.Color);
for (int i = 0; i < end; ++i)
{
Vector3 perpendicular = (new Vector3(line.Points[i + 1].y, line.Points[i].x, _nearClip) -
new Vector3(line.Points[i].y, line.Points[i + 1].x, _nearClip)).normalized * thisWidth;
Vector3 v1 = new Vector3(line.Points[i].x, line.Points[i].y, _nearClip);
Vector3 v2 = new Vector3(line.Points[i + 1].x, line.Points[i + 1].y, _nearClip);
GL.Vertex(_camera.ViewportToWorldPoint(v1 - perpendicular));
GL.Vertex(_camera.ViewportToWorldPoint(v1 + perpendicular));
GL.Vertex(_camera.ViewportToWorldPoint(v2 + perpendicular));
GL.Vertex(_camera.ViewportToWorldPoint(v2 - perpendicular));
}
}
GL.End();
}
public int AddLine(VectorLine line) // will be drawed until remove called
{
_lines.Add(++_lastId, line);
return(_lastId);
}
public void DrawLine(VectorLine line) // will be drawed only next frame
{
_oneFrameLines.Add(line);
}