private void renderBody(CelestialBody Body, CaptionMode CaptionMode, double Zoom)
{
if (projector.PositionNearlyLocked && projector.BodyWithCamera.Equals(Body) && projector.ViewMode != ViewMode.TopDown)
{
return;
}
float radiusInPixels;
double subtendedAngle = Body.AngleSubtendedFromDistance(Body.DistanceFromCamera) / 2.0;
radiusInPixels = (float)Math.Abs(projector.Zoom * subtendedAngle);
if (Body.RenderPoint.X < -radiusInPixels || Body.RenderPoint.Y < -radiusInPixels || Body.RenderPoint.X > this.ScreenSize.Width + radiusInPixels || Body.RenderPoint.Y > this.ScreenSize.Height + radiusInPixels)
{
return;
}
#if DEBUG
if (Body.RenderPoint.IsZero)
{
throw new Exception();
}
#endif
bool caption;
switch (CaptionMode)
{
case SolarMax.CaptionMode.Auto:
caption = projector.BodyBeingViewed.Equals(Body) || radiusInPixels > AUTO_CAPTION_THRESHOLD || Zoom > Body.CaptionZoomThreshold;
break;
case SolarMax.CaptionMode.DynamicOnly:
caption = projector.BodyBeingViewed.Equals(Body) || (Body.BodyType == CelestialBodyType.Dynamic && (radiusInPixels > AUTO_CAPTION_THRESHOLD || Zoom > Body.CaptionZoomThreshold));
break;
default:
caption = false;
break;
}
if (caption)
{
DrawString(Body.DisplayName, new QPoint(Body.RenderPoint.X + radiusInPixels, Body.RenderPoint.Y + radiusInPixels), Body == projector.BodyBeingViewed ? QPen.White : Body.CaptionPen, this.SmallFont);
}
if (this.WireFrameBodyRender &&
radiusInPixels > 7 &&
Body.HasShape)
{
var shape = (radiusInPixels > 80) ? Body.ShapeBig :
(radiusInPixels > 30) ? Body.ShapeMedium :
Body.ShapeSmall;
shape.Reset();
if (Body.HasDynamicShape)
{
shape.RotateAbout(Body.Axis, Body.AngleSnapshot);
}
shape.Move(Body.PositionSnapshot);
QPoint p1, p2;
double distSqr = projector.Position.DistanceToSquared(Body.PositionSnapshot);
bool highlightSun = HighlightSunlitAreas && Body is Orbiter;
double distSqrSun = highlightSun ? CelestialBody.Sun.PositionSnapshot.DistanceToSquared(Body.PositionSnapshot) : double.MaxValue;
// Draw back of object
foreach (var l in shape.Lines)
{
l.IsInFront = l.P1.DistanceToSquared(projector.Position) < distSqr || l.P2.DistanceToSquared(projector.Position) < distSqr;
if (!l.IsInFront)
{
if (projector.Project2DLine(l.P1, l.P2, out p1, out p2))
{
DrawingTarget.DrawLine(l.LineType == LineType.Special ? primeMeridianDarkPen : Body.BackPen, p1, p2);
}
}
}
// Draw axis
if (radiusInPixels > DRAW_AXIS_THRESHOLD)
{
if (projector.Project2DLine(Body.PositionSnapshot + Body.Axis * Body.Radius * AXIS_SCALE, Body.PositionSnapshot - Body.Axis * Body.Radius * AXIS_SCALE, out p1, out p2))
{
DrawingTarget.DrawLine(planetAxisPen, p1, p2);
}
}
//Draw front of object
foreach (var l in shape.Lines)
{
if (l.IsInFront)
{
if (projector.Project2DLine(l.P1, l.P2, out p1, out p2))
{
if (highlightSun && l.LineType != LineType.Special && (l.P1.DistanceToSquared(CelestialBody.Sun.PositionSnapshot) < distSqrSun || l.P2.DistanceToSquared(CelestialBody.Sun.PositionSnapshot) < distSqrSun))
{
DrawingTarget.DrawLine(sunlitArea, p1, p2);
}
else
{
DrawingTarget.DrawLine(l.LineType == LineType.Special ? primeMeridianPen : Body.FrontPen, p1, p2);
}
}
}
}
}
else
{
radiusInPixels += Body.RadiusEnhancement;
if (radiusInPixels > 1f)
{
DrawingTarget.FillCircle(Body.Pen, Body.RenderPoint.X, Body.RenderPoint.Y, radiusInPixels);
}
else
{
DrawingTarget.SetPixel(Body.Pen, Body.RenderPoint.X, Body.RenderPoint.Y);
}
}
RenderLocations[NumRenderLocations++] = Body;
}
private double fullZoomAmount(double Distance, CelestialBody Body)
{
return(Math.Max(MinimumPixelsPerRadian, 0.004 * Math.Log(Body.Radius) * (double)this.ScreenSize.Width / Body.AngleSubtendedFromDistance(Distance)));
}