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 DrawGrid3D(int gridStep, WorldTransform w, float z, Color lineColor, Color textColor, Color radiiColor) { GLUtility.DisableNiceLines(); GLPen pen = new GLPen(lineColor, 1.0f); pen.GLApplyPen(); Gl.glBegin(Gl.GL_LINES); for (int i = (int)w.WorldLowerLeft.Y; i < w.WorldUpperRight.Y; i++) { if (i % gridStep == 0) { Gl.glVertex3f((float)w.WorldLowerLeft.X, i, z); Gl.glVertex3f((float)w.WorldUpperRight.X, i, z); //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) { Gl.glVertex3f(i, (float)w.WorldLowerLeft.Y, z); Gl.glVertex3f(i, (float)w.WorldUpperRight.Y, z); //GLUtility.DrawString(i.ToString() + "m", new Font("verdana", 1), textColor, new PointF(i, (float)(w.WorldUpperRight.Y - w.WorldLowerLeft.Y) / 2.0f)); } } Gl.glEnd(); GLUtility.EnableNiceLines(); }