public void Draw(Graphics graphics, RectangleD cameraBounds)
{
var particleBounds = new List<RectangleF>();
float particleScale;
// Scale particle size with viewport width
if (cameraBounds.Width > 1000)
{
particleScale = 1;
}
else
{
particleScale = (float)(1.22e-6 * cameraBounds.Width * cameraBounds.Width - 4.8e-3 * cameraBounds.Width + 4.4);
}
float halfParticleScale = particleScale * 0.5f;
foreach (Particle particle in _particles)
{
if (particle.IsActive)
{
if (cameraBounds.Contains(particle.Position))
{
PointF localPoint = RenderUtils.WorldToScreen(particle.Position, cameraBounds);
particleBounds.Add(new RectangleF(localPoint.X - halfParticleScale,
localPoint.Y - halfParticleScale,
particleScale, particleScale));
}
}
}
RenderUtils.DrawRectangles(graphics, particleBounds, _color);
}
public void Draw(Graphics graphics, RectangleD cameraBounds, IMapRenderable orbitingBody)
{
var traceBounds = new List<RectangleF>();
for (int i = 1; i < _points.Count; i++)
{
DVector2 orbitPoint = _points[i];
if (cameraBounds.Contains(orbitPoint))
{
PointF localPoint = RenderUtils.WorldToScreen(orbitPoint, cameraBounds);
if (i == _apogeeIndex && i > 1)
{
RenderApogee(graphics, localPoint);
}
else if (i == _perigeeIndex)
{
RenderPerigee(graphics, localPoint);
}
else
{
traceBounds.Add(new RectangleF(localPoint.X, localPoint.Y, 2, 2));
}
}
}
if (_points.Count > 0 && cameraBounds.Contains(_points[0]))
{
RenderStart(graphics, cameraBounds, orbitingBody, _points[0]);
}
RenderUtils.DrawRectangles(graphics, traceBounds, orbitingBody.IconColor);
}
public void Draw(Graphics graphics, RectangleD cameraBounds, IMassiveBody parentBody)
{
var poweredTrails = new List<RectangleF>();
var coastTrails = new List<RectangleF>();
for (int i = 0; i < _trailAngles.Count; i++)
{
double angle = _trailAngles[i] + parentBody.Pitch;
double distance = _trailDistances[i];
DVector2 worldPoint = DVector2.FromAngle(angle) * distance + parentBody.Position;
if (cameraBounds.Contains(worldPoint))
{
PointF localPoint = RenderUtils.WorldToScreen(worldPoint, cameraBounds);
if (_trailPowered[i])
{
poweredTrails.Add(new RectangleF(localPoint.X, localPoint.Y, 2, 2));
}
else
{
coastTrails.Add(new RectangleF(localPoint.X, localPoint.Y, 2, 2));
}
}
}
RenderUtils.DrawRectangles(graphics, poweredTrails, Color.Red);
RenderUtils.DrawRectangles(graphics, coastTrails, Color.White);
}
public void Render(Graphics graphics, RectangleD cameraBounds)
{
var end = new PointF(_center.X + (float)Math.Cos(_thrustAngle) * 50, _center.Y + (float)Math.Sin(_thrustAngle) * 50);
graphics.DrawLine(new Pen(Color.Red, 2), _center, end);
graphics.DrawEllipse(new Pen(Color.White, 2), Bounds);
}
public static PointF WorldToScreen(DVector2 point, RectangleD cameraBounds)
{
var normalizedPoint = new DVector2((point.X - cameraBounds.Left) / cameraBounds.Width,
(point.Y - cameraBounds.Top) / cameraBounds.Height);
return new PointF((float)(normalizedPoint.X * ScreenWidth),
(float)(normalizedPoint.Y * ScreenHeight));
}
public void Render(Graphics graphics, RectangleD cameraBounds)
{
graphics.FillRectangle(new SolidBrush(Color.White), _center.X - 1, _center.Y - 52, 2, 104);
graphics.FillRectangle(new SolidBrush(Color.White), _center.X - 5, _center.Y - 52, 10, 3);
graphics.FillRectangle(new SolidBrush(Color.White), _center.X - 5, _center.Y + 52, 10, 3);
int thrustX = (int)(_thrustMagnitude * 104) - 52;
graphics.FillRectangle(new SolidBrush(Color.Red), _center.X -5, _center.Y - thrustX, 10, 4);
}
public void Render(Graphics graphics, RectangleD cameraBounds)
{
if (IsActive)
{
graphics.FillEllipse(new SolidBrush(Color.Red), Bounds);
}
graphics.DrawString("R", _font, new SolidBrush(Color.White), _center.X - 8, _center.Y - 8);
graphics.DrawEllipse(new Pen(Color.White, 2), Bounds);
}
public void Render(Graphics graphics, RectangleD cameraBounds)
{
double scale = cameraBounds.Width * _widthPercentage;
graphics.FillRectangle(new SolidBrush(Color.White), _center.X - 50, _center.Y - 2, 100, 4);
graphics.FillRectangle(new SolidBrush(Color.White), _center.X - 51, _center.Y - 10, 4, 20);
graphics.FillRectangle(new SolidBrush(Color.White), _center.X + 51, _center.Y - 10, 4, 20);
graphics.DrawString(UnitDisplay.Distance(scale), _font, new SolidBrush(Color.White), _center.X + 65, _center.Y - 10);
}
public static void DrawLine(Graphics graphics, RectangleD cameraBounds, DVector2 start, DVector2 end, Color color)
{
PointF localStart = WorldToScreen(start, cameraBounds);
PointF localEnd = WorldToScreen(end, cameraBounds);
localStart.X = MathHelper.Clamp(localStart.X, 0, ScreenWidth);
localStart.Y = MathHelper.Clamp(localStart.Y, 0, ScreenHeight);
localEnd.X = MathHelper.Clamp(localEnd.X, 0, ScreenWidth);
localEnd.Y = MathHelper.Clamp(localEnd.Y, 0, ScreenHeight);
graphics.DrawLine(new Pen(color, 2), localStart, localEnd);
}
public void RenderGdi(Graphics graphics, RectangleD cameraBounds)
{
// Update position and rotation given the parent's motion
double currentRotation = (_parent.Pitch - _initialRotation) + _rotationOffset;
DVector2 rotationNormal = DVector2.FromAngle(currentRotation);
Position = _parent.Position + rotationNormal * _initialDistance;
var bounds = new RectangleD(Position.X - Width * 0.5, Position.Y - Height * 0.5, Width, Height);
// Not in range easy return
if (!cameraBounds.IntersectsWith(bounds))
{
return;
}
RectangleF screenBounds = RenderUtils.ComputeBoundingBox(Position, cameraBounds, Width, Height);
// Saftey
if (screenBounds.Width > RenderUtils.ScreenWidth * 500) return;
double drawingRotation = currentRotation + Math.PI * 0.5;
var offset = new PointF(screenBounds.X + screenBounds.Width * 0.5f,
screenBounds.Y + screenBounds.Height * 0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
graphics.RotateTransform((float)(drawingRotation * 180 / Math.PI));
graphics.TranslateTransform(-offset.X, -offset.Y);
graphics.DrawImage(_texture, screenBounds.X, screenBounds.Y, screenBounds.Width, screenBounds.Height);
graphics.ResetTransform();
double visibility = Visibility(cameraBounds);
if (visibility < 1)
{
PointF iconPoint = RenderUtils.WorldToScreen(Position, cameraBounds);
var iconBounds = new RectangleF(iconPoint.X - 5, iconPoint.Y - 5, 10, 10);
var iconColor = Color.FromArgb((int)((1 - visibility) * 255), IconColor.R, IconColor.G, IconColor.B);
graphics.FillEllipse(new SolidBrush(iconColor), iconBounds);
}
}
public void Draw(Graphics graphics, RectangleD cameraBounds, IIconRenderable orbitingBody)
{
var traceBounds = new List<RectangleF>();
for (int i = 1; i < _points.Count; i++)
{
DVector2 orbitPoint = _points[i];
if (cameraBounds.Contains(orbitPoint))
{
PointF localPoint = RenderUtils.WorldToScreen(orbitPoint, cameraBounds);
if (i == _apogeeIndex)
{
RenderApogee(graphics, localPoint);
}
else if (i == _perigeeIndex)
{
RenderPerigee(graphics, localPoint);
}
else
{
traceBounds.Add(new RectangleF(localPoint.X, localPoint.Y, 2, 2));
}
}
}
if (cameraBounds.Contains(_points[0]))
{
double visibility = orbitingBody.Visibility(cameraBounds);
if (visibility < 1)
{
PointF iconPoint = RenderUtils.WorldToScreen(_points[0], cameraBounds);
var iconBounds = new RectangleF(iconPoint.X - 5, iconPoint.Y - 5, 10, 10);
var iconColor = Color.FromArgb((int)((1 - visibility) * 255),
orbitingBody.IconColor.R,
orbitingBody.IconColor.G,
orbitingBody.IconColor.B);
graphics.FillEllipse(new SolidBrush(iconColor), iconBounds);
}
}
RenderUtils.DrawRectangles(graphics, traceBounds, orbitingBody.IconColor);
}
public static RectangleF ComputeEllipseSize(DVector2 position, RectangleD cameraBounds, double radius)
{
double screenRadius = (radius / cameraBounds.Width) * ScreenWidth;
DVector2 screenPosition = position - new DVector2(cameraBounds.Left, cameraBounds.Top);
double screenU = screenPosition.X / cameraBounds.Width;
double screenV = screenPosition.Y / cameraBounds.Height;
double screenX = screenU * ScreenWidth;
double screenY = screenV * ScreenHeight;
return new RectangleF((float) (screenX - screenRadius),
(float) (screenY - screenRadius),
(float) (screenRadius*2.0), (float) (screenRadius*2.0));
}
public static RectangleF ComputeBoundingBox(DVector2 position, RectangleD cameraBounds, double width, double height)
{
double screenWidth = (width / cameraBounds.Width) * ScreenWidth;
double screenHeight = (height / cameraBounds.Height) * ScreenHeight;
DVector2 screenPosition = position - new DVector2(cameraBounds.Left, cameraBounds.Top);
double screenU = screenPosition.X / cameraBounds.Width;
double screenV = screenPosition.Y / cameraBounds.Height;
double screenX = screenU * ScreenWidth;
double screenY = screenV * ScreenHeight;
return new RectangleF((float) (screenX - screenWidth*0.5),
(float) (screenY - screenHeight*0.5),
(float) screenWidth, (float) screenHeight);
}
public void Draw(Graphics graphics, RectangleD cameraBounds)
{
var particleBounds = new List<RectangleF>();
foreach (Particle particle in _particles)
{
if (particle.IsActive)
{
if (cameraBounds.Contains(particle.Position))
{
PointF localPoint = RenderUtils.WorldToScreen(particle.Position, cameraBounds);
particleBounds.Add(new RectangleF(localPoint.X - 1.5f, localPoint.Y - 1.5f, 3, 3));
}
}
}
RenderUtils.DrawRectangles(graphics, particleBounds, Color.FromArgb(50, 255, 255, 0));
}
public void RenderGdi(Graphics graphics, RectangleD cameraBounds)
{
double drawingRotation = _parent.Pitch + Pitch;
DVector2 drawingOffset = new DVector2(Math.Cos(drawingRotation), Math.Sin(drawingRotation)) * -4.2;
RectangleF screenBounds = RenderUtils.ComputeBoundingBox(Position - drawingOffset, cameraBounds, Width,Height);
var offset = new PointF(screenBounds.X + screenBounds.Width*0.5f, screenBounds.Y + screenBounds.Height*0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
graphics.RotateTransform((float) ((drawingRotation + Math.PI*0.5)*180/Math.PI));
graphics.TranslateTransform(-offset.X, -offset.Y);
graphics.DrawImage(_texture, screenBounds.X, screenBounds.Y, screenBounds.Width, screenBounds.Height);
graphics.ResetTransform();
}
public void RenderGdiFallback(Graphics graphics, RectangleD cameraBounds, IPhysicsBody sun)
{
RectangleD bounds = ComputeBoundingBox();
// Not in range easy return
if (!cameraBounds.IntersectsWith(bounds))
{
return;
}
if (AtmosphereHeight > 0)
{
RectangleF atmosphereBounds = RenderUtils.ComputeEllipseSize(Position, cameraBounds, BoundingRadius);
// Saftey
if (atmosphereBounds.Width > RenderUtils.ScreenWidth * 5000) return;
graphics.FillEllipse(new SolidBrush(IconAtmopshereColor), atmosphereBounds);
}
RectangleF surfaceBounds = RenderUtils.ComputeEllipseSize(Position, cameraBounds, SurfaceRadius);
// Saftey
if (surfaceBounds.Width > RenderUtils.ScreenWidth * 5000) return;
graphics.FillEllipse(new SolidBrush(IconColor), surfaceBounds);
}
public void Draw(Graphics graphics, RectangleD cameraBounds)
{
_engineFlame.Draw(graphics, cameraBounds);
}
public override double Visibility(RectangleD cameraBounds)
{
throw new NotImplementedException();
}
private static void RenderStart(Graphics graphics, RectangleD cameraBounds, IMapRenderable orbitingBody, DVector2 start)
{
double visibility = orbitingBody.Visibility(cameraBounds);
if (visibility < 1)
{
PointF iconPoint = RenderUtils.WorldToScreen(start, cameraBounds);
var iconBounds = new RectangleF(iconPoint.X - 5, iconPoint.Y - 5, 10, 10);
var iconColor = Color.FromArgb((int)((1 - visibility) * 255),
orbitingBody.IconColor.R,
orbitingBody.IconColor.G,
orbitingBody.IconColor.B);
graphics.FillEllipse(new SolidBrush(iconColor), iconBounds);
}
}
public virtual double Visibility(RectangleD cameraBounds)
{
double distanceRatio = BoundingRadius / cameraBounds.Width;
if (distanceRatio > 0.0025)
{
return 1;
}
if (distanceRatio > 0.002)
{
return (distanceRatio - 0.002) * 2000;
}
return 0;
}
protected virtual void RenderAbove(Graphics graphics, RectangleD cameraBounds)
{
if (EntryFlame != null)
{
EntryFlame.Draw(graphics, cameraBounds);
}
// Only show the vectors when it's requested and the craft is not parented
if (_showDisplayVectors && Parent == null)
{
// The length of the vector is based on the width of the camera bounds
float lengthFactor = (float)(cameraBounds.Width * 0.1);
PointF start = RenderUtils.WorldToScreen(Position, cameraBounds);
DVector2 relativeVelocity = GetRelativeVelocity();
// Only draw the velocity vector when it can be normalized
if (relativeVelocity.Length() > 0)
{
relativeVelocity.Normalize();
PointF velocityEnd = RenderUtils.WorldToScreen(Position + relativeVelocity * lengthFactor, cameraBounds);
graphics.DrawLine(Pens.White, start, velocityEnd);
}
DVector2 pitchVector = DVector2.FromAngle(Pitch);
pitchVector.Normalize();
PointF pitchEnd = RenderUtils.WorldToScreen(Position + pitchVector * lengthFactor, cameraBounds);
graphics.DrawLine(Pens.Red, start, pitchEnd);
}
}
protected override void RenderShip(Graphics graphics, RectangleD cameraBounds, RectangleF screenBounds)
{
double drawingRotation = Pitch + Math.PI * 0.5;
var offset = new PointF(screenBounds.X + screenBounds.Width * 0.5f,
screenBounds.Y + screenBounds.Height * 0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
graphics.RotateTransform((float)(drawingRotation * 180 / Math.PI));
graphics.TranslateTransform(-offset.X, -offset.Y);
// Normalize the angle to [0,360]
int rollAngle = (int)(Roll * MathHelper.RadiansToDegrees) % 360;
// Index into the sprite
int ships = _spriteSheet.Cols * _spriteSheet.Rows;
int spriteIndex = (rollAngle * ships) / 120;
while (spriteIndex >= ships)
spriteIndex -= ships;
_spriteSheet.Draw(spriteIndex, graphics, screenBounds);
graphics.ResetTransform();
//Debug.WriteLine(string.Format("spriteIndex={0}", spriteIndex));
}
protected override void RenderShip(Graphics graphics, RectangleD cameraBounds, RectangleF screenBounds)
{
// Build the main texture (a combination of base and soot)
using (Graphics graphics2 = RenderUtils.GetContext(false, _drawingBuffer))
{
if (_sootRatio > 0.99)
{
graphics2.DrawImage(_sootTexture, new Rectangle(0, 0, _drawingBuffer.Width, _drawingBuffer.Height));
}
else if (_sootRatio < 0.05)
{
graphics2.DrawImage(Texture, new Rectangle(0, 0, _drawingBuffer.Width, _drawingBuffer.Height));
}
else
{
graphics2.DrawImage(Texture, new Rectangle(0, 0, _drawingBuffer.Width, _drawingBuffer.Height));
float[][] matrixAlpha =
{
new float[] {1, 0, 0, 0, 0},
new float[] {0, 1, 0, 0, 0},
new float[] {0, 0, 1, 0, 0},
new float[] {0, 0, 0, (float)_sootRatio, 0},
new float[] {0, 0, 0, 0, 1}
};
ColorMatrix colorMatrix = new ColorMatrix(matrixAlpha);
ImageAttributes iaAlphaBlend = new ImageAttributes();
iaAlphaBlend.SetColorMatrix(colorMatrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
graphics2.DrawImage(_sootTexture, new Rectangle(0, 0, _drawingBuffer.Width, _drawingBuffer.Height), 0, 0,
_drawingBuffer.Width, _drawingBuffer.Height, GraphicsUnit.Pixel, iaAlphaBlend);
}
}
double drawingRotation = Pitch + Math.PI * 0.5;
var offset = new PointF(screenBounds.X + screenBounds.Width * 0.5f,
screenBounds.Y + screenBounds.Height * 0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
graphics.RotateTransform((float)(drawingRotation * 180 / Math.PI));
graphics.TranslateTransform(-offset.X, -offset.Y);
graphics.DrawImage(_drawingBuffer, screenBounds.X, screenBounds.Y, screenBounds.Width, screenBounds.Height);
graphics.ResetTransform();
foreach (GridFin gridFin in _gridFins)
{
gridFin.RenderGdi(graphics, cameraBounds);
}
foreach (LandingLeg landingLeg in _landingLegs)
{
landingLeg.RenderGdi(graphics, cameraBounds);
}
}
public override double Visibility(RectangleD cameraBounds)
{
return 1;
}
protected virtual void RenderShip(Graphics graphics, RectangleD cameraBounds, RectangleF screenBounds)
{
double drawingRotation = Pitch + Math.PI * 0.5;
var offset = new PointF(screenBounds.X + screenBounds.Width * 0.5f,
screenBounds.Y + screenBounds.Height * 0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
graphics.RotateTransform((float)(drawingRotation * 180 / Math.PI));
graphics.TranslateTransform(-offset.X, -offset.Y);
graphics.DrawImage(Texture, screenBounds.X, screenBounds.Y, screenBounds.Width, screenBounds.Height);
graphics.ResetTransform();
}
/// <summary>
/// Renders the space craft at it's correct scale and rotation according to the camera.
/// The engines are rendered first and then the space craft body.
/// </summary>
public virtual void RenderGdi(Graphics graphics, RectangleD cameraBounds)
{
RectangleF screenBounds = RenderUtils.ComputeBoundingBox(Position, cameraBounds, Width, Height);
// Saftey
if (screenBounds.Width > RenderUtils.ScreenWidth * 500) return;
foreach (IEngine engine in Engines)
{
engine.Draw(graphics, cameraBounds);
}
double drawingRotation = Rotation + Math.PI * 0.5;
var offset = new PointF(screenBounds.X + screenBounds.Width * 0.5f,
screenBounds.Y + screenBounds.Height * 0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
graphics.RotateTransform((float)(drawingRotation * 180 / Math.PI));
graphics.TranslateTransform(-offset.X, -offset.Y);
graphics.DrawImage(Texture, screenBounds.X, screenBounds.Y, screenBounds.Width, screenBounds.Height);
graphics.ResetTransform();
}
protected override void RenderShip(Graphics graphics, RectangleD cameraBounds, RectangleF screenBounds)
{
double drawingRotation = Pitch + Math.PI * 0.5;
var offset = new PointF(screenBounds.X + screenBounds.Width * 0.5f,
screenBounds.Y + screenBounds.Height * 0.5f);
graphics.TranslateTransform(offset.X, offset.Y);
float pitchAngle = (float)(drawingRotation * 180 / Math.PI);
float rollFactor = (float)Math.Cos(Roll);
float alphaAngle = (float)(GetAlpha() * 180 / Math.PI);
float rotateAngle = (pitchAngle - alphaAngle) + alphaAngle * rollFactor;
if(this.MissionName.Contains("EDL") || this.MissionName.Contains("Aerocapture") || this.MissionName.Contains("Direct"))
graphics.RotateTransform(rotateAngle);
else
graphics.RotateTransform(pitchAngle);
graphics.TranslateTransform(-offset.X, -offset.Y);
// Normalize the angle to [0,360]
int rollAngle = (int)(Roll * MathHelper.RadiansToDegrees) % 360;
// Index into the sprite
int ships = _spriteSheet.Cols * _spriteSheet.Rows;
int spriteIndex = (rollAngle * ships) / 360;
while (spriteIndex < 0)
spriteIndex += ships;
_spriteSheet.Draw(spriteIndex, graphics, screenBounds);
graphics.ResetTransform();
//if (DateTime.Now - timestamp > TimeSpan.FromSeconds(1))
//{
// string filename = MissionName + ".csv";
// if (!File.Exists(filename))
// {
// File.AppendAllText(filename, "Ma, FormDragCoefficient, SkinFrictionCoefficient, LiftCoefficient, pitchAngle\r\n");
// }
// timestamp = DateTime.Now;
// string contents = string.Format("{0:N3}, {1:N3}, {2:N3}, {3:N3}, {4:N3}\r\n",
// MachNumber, FormDragCoefficient, SkinFrictionCoefficient, LiftCoefficient, pitchAngle);
// File.AppendAllText(filename, contents);
//}
}
/// <summary>
/// Renders the space craft at it's correct scale and rotation according to the camera.
/// The engines are rendered first and then the space craft body.
/// </summary>
public override void RenderGdi(Graphics graphics, RectangleD cameraBounds)
{
// Only draws the ship if it's visible
if (Visibility(cameraBounds) > 0)
{
RectangleD bounds = ComputeBoundingBox();
// In range for render
if (cameraBounds.IntersectsWith(bounds))
{
RectangleF screenBounds = RenderUtils.ComputeBoundingBox(Position, cameraBounds, Width, Height);
// Saftey
if (screenBounds.Width > RenderUtils.ScreenWidth * 500) return;
RenderBelow(graphics, cameraBounds);
RenderShip(graphics, cameraBounds, screenBounds);
RenderAbove(graphics, cameraBounds);
}
}
// Only draw orbit traces and launch trails for detatched ships
if (Parent == null)
{
if (cameraBounds.Width > 1000)
{
_launchTrail.Draw(graphics, cameraBounds, GravitationalParent);
}
// Don't draw orbit traces on the ground
base.RenderGdi(graphics, cameraBounds);
}
}
public double Visibility(RectangleD cameraBounds)
{
double distanceRatio = TotalHeight / cameraBounds.Width;
if (distanceRatio > 0.0025)
{
return 1;
}
if (distanceRatio > 0.002)
{
return (distanceRatio - 0.002) * 2000;
}
return 0;
}
protected virtual void RenderBelow(Graphics graphics, RectangleD cameraBounds)
{
foreach (IEngine engine in Engines)
{
engine.Draw(graphics, cameraBounds);
}
}
