public static void DrawGrid(int gridStep, WorldTransform w, bool drawRadii, Color lineColor, Color textColor, Color radiiColor)
{
GLUtility.DisableNiceLines();
for (int i = (int)w.WorldLowerLeft.Y; i < w.WorldUpperRight.Y; i++)
{
if (i % gridStep == 0)
{
GLUtility.DrawLine(new GLPen(lineColor, 1.0f), (float)w.WorldLowerLeft.X, i, (float)w.WorldUpperRight.X, i);
GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(0, i + .25f));
}
}
for (int i = (int)w.WorldLowerLeft.X; i < w.WorldUpperRight.X; i++)
{
if (i % gridStep == 0)
{
GLUtility.DrawLine(new GLPen(lineColor, 1.0f), i, (float)w.WorldLowerLeft.Y, i, (float)w.WorldUpperRight.Y);
GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(i, (float)(w.WorldUpperRight.Y - w.WorldLowerLeft.Y) / 2.0f));
}
}
if (drawRadii)
{
RectangleF r = new RectangleF(new PointF(-gridStep, -gridStep), new SizeF(gridStep * 2.0f, gridStep * 2.0f));
for (int i = 0; i < 20; i++)
{
r.Inflate(gridStep, gridStep);
GLUtility.DrawEllipse(new GLPen(radiiColor, 1), r);
}
}
GLUtility.EnableNiceLines();
}
public static void DrawCircle(GLPen p, PointF center, float radius)
{
p.GLApplyPen();
Gl.glPushMatrix();
Gl.glTranslatef(center.X, center.Y, 0);
GLUtility.DrawEllipse(p, new RectangleF(-radius, -radius, radius * 2, radius * 2));
Gl.glPopMatrix();
}
