private void DrawGrid(Rectangle rect, Graphics g)
{
if (startSurfaceGrid.Count == 0)
{
surface = new BezierSurface();
surface.SetPoints(startPoints);
startSurfaceGrid = surface.GetSurfaceGridPoints(tolerance, rows, columns);
surfaceGridPoints = null;
startSurfaceCells.Clear();
surfaceCells = null;
}
var drawGridPoints = Point3Utils.GetObjectProjection(surfaceGridPoints ?? startSurfaceGrid, rect.Width, rect.Height);
g.DrawGrid(Pens.Black, drawGridPoints);
}
private void Canvas_Paint(object sender, PaintEventArgs e)
{
var rect = new Rectangle(Canvas.Location.X, Canvas.Location.Y, Canvas.Size.Width, Canvas.Size.Height);
DrawXYAxes(e.Graphics, rect);
var points = Point3Utils.GetCurveProjection(window.Points, Canvas.Size.Width, Canvas.Size.Height, isIsometric: false).ToArray();
e.Graphics.DrawPolygon(Pens.Black, points);
e.Graphics.DrawPoints(Brushes.Black, points, pointRadius);
e.Graphics.DrawSections(Pens.Red, sections, Canvas.Size.Width, Canvas.Size.Height, isIsometric: false);
if (isVisibleHighlighted)
{
HighlightVisible(e.Graphics, rect);
}
}
private void Canvas_Paint(object sender, PaintEventArgs e)
{
var rect = new Rectangle(Canvas.Location.X, Canvas.Location.Y, Canvas.Size.Width, Canvas.Size.Height);
DrawXYZAxes(e.Graphics, rect);
var basePointsArray = points.Select(row => row.Select(point => point.GetDrawingPoint(rect.Width, rect.Height)).ToArray()).ToArray();
e.Graphics.DrawPoints(Brushes.Black, basePointsArray, pointRadius);
if (startSurfaceGrid.Count == 0)
{
surface = new BezierSurface();
surface.SetPoints(startPoints);
startSurfaceGrid = surface.GetSurfaceGridPoints(tolerance, rows, columns);
surfaceGridPoints = null;
}
var drawPoints = Point3Utils.GetObjectProjection(surfaceGridPoints ?? startSurfaceGrid, rect.Width, rect.Height);
e.Graphics.DrawGrid(Pens.Red, drawPoints);
}
private void DrawCells(Rectangle rect, Graphics g)
{
var innerBrush = Brushes.Cyan;
var outerBrush = Brushes.DarkOrchid;
if (startSurfaceCells.Count == 0)
{
surface = new BezierSurface();
surface.SetPoints(startPoints);
startSurfaceCells = surface.GetSurfaceCells(tolerance, rows, columns);
surfaceCells = null;
}
var check = startSurfaceCells;
var ordered = (surfaceCells ?? startSurfaceCells).OrderByDescending(cell => cell.FurthestDistance);
foreach (SurfaceCell cell in ordered)
{
var drawPoints = Point3Utils.GetCurveProjection(cell.ToList(), rect.Width, rect.Height).ToArray();
g.FillPolygon(cell.IsFront ? outerBrush : innerBrush, drawPoints);
}
}