public override void Draw(IntPtr rendererPtr, Camera camera)
{
//now we draw a line between each of the points in the translatedPoints[] array.
float alpha = MaxAlpha;
for (int i = 0; i < _numberOfDrawSegments - 1; i++)
{
SDL.SDL_SetRenderDrawColor(rendererPtr, Red, Grn, Blu, (byte)alpha);//we cast the alpha here to stop rounding errors creaping up.
SDL.SDL_RenderDrawLine(rendererPtr, _drawPoints[i].x, _drawPoints[i].y, _drawPoints[i + 1].x, _drawPoints[i + 1].y);
alpha -= _alphaChangeAmount;
}
SDL.SDL_SetRenderDrawColor(rendererPtr, 0, 50, 100, 100);
//DrawPrimitive.DrawFilledCircle(rendererPtr ,ViewScreenPos.x , ViewScreenPos.y, (int)_soiViewRadius);
DrawPrimitive.DrawEllipse(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, _soiViewRadius, _soiViewRadius);
/*
* var soipnts = CreatePrimitiveShapes.BresenhamCircle(ViewScreenPos.x, ViewScreenPos.y, (int)_soiViewRadius);
* for (int i = 0; i < soipnts.Count -1; i+=2)
* {
* SDL.SDL_RenderDrawLine(rendererPtr, soipnts[i].x, soipnts[i].y, soipnts[i + 1].x, soipnts[i + 1].y);
* //SDL.SDL_RenderDrawPoint(rendererPtr, soipnts[i].x, soipnts[i].y);
* //var err = SDL.SDL_GetError();
* }
*/
SDL.SDL_SetRenderDrawColor(rendererPtr, 100, 0, 0, 255);
DrawPrimitive.DrawEllipse(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, _targetViewRadius, _targetViewRadius);
var plntPts = CreatePrimitiveShapes.BresenhamCircle(ViewScreenPos.x, ViewScreenPos.y, (int)_targetViewRadius);
for (int i = 0; i < plntPts.Count - 1; i++)
{
SDL.SDL_RenderDrawLine(rendererPtr, plntPts[i].x, plntPts[i].y, plntPts[i + 1].x, plntPts[i + 1].y);
}
/*
* SDL.SDL_SetRenderDrawColor(rendererPtr, 0, 100, 0, 160);
* DrawPrimitive.DrawArc(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, 63, 63, 0, _loAN); //draw LoAN angle
*
* SDL.SDL_SetRenderDrawColor(rendererPtr, 50, 0, 100, 160);
* DrawPrimitive.DrawArc(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, 64, 64, _loAN, _aoP); //draw AoP angle
*
* SDL.SDL_SetRenderDrawColor(rendererPtr, 100, 0, 0, 160);
* DrawPrimitive.DrawArc(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, 66, 66, OrbitAngleRadians, _trueAnomaly);
*/
}
public override void Draw(IntPtr rendererPtr, Camera camera)
{
//Orbit line
//now we draw a line between each of the points in the translatedPoints[] array.
float alpha = MaxAlpha;
for (int i = 0; i < _numberOfDrawSegments - 1; i++)
{
var au = 1;//GameConstants.Units.MetersPerAu;
int x1 = (int)(_drawPoints[i].x * au);
int y1 = (int)(_drawPoints[i].y * au);
int x2 = (int)(_drawPoints[i + 1].x * au);
int y2 = (int)(_drawPoints[i + 1].y * au);
//SDL.SDL_RenderDrawLine(rendererPtr, x1, y1, x2, y2);
SDL.SDL_SetRenderDrawColor(rendererPtr, Red, Grn, Blu, (byte)alpha);//we cast the alpha here to stop rounding errors creaping up.
SDL.SDL_RenderDrawLine(rendererPtr, x1, y1, x2, y2);
//SDL.SDL_RenderDrawLine(rendererPtr, _drawPoints[i].x, _drawPoints[i].y, _drawPoints[i + 1].x, _drawPoints[i + 1].y);
alpha -= _alphaChangeAmount;
}
//SOI filled circle area.
SDL.SDL_SetRenderDrawColor(rendererPtr, 0, 50, 100, 100);
//DrawPrimitive.DrawFilledCircle(rendererPtr ,ViewScreenPos.x , ViewScreenPos.y, (int)_soiViewRadius);
//DrawPrimitive.DrawEllipse(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, _soiViewRadius, _soiViewRadius);
var soipnts = CreatePrimitiveShapes.BresenhamCircle(0, 0, (int)_soiViewRadius);
//SDL.SDL_RenderDrawPoints(rendererPtr, soipnts.ToArray(), soipnts.Count);
var lasty = 0;
for (int i = 0; i < soipnts.Count; i += 2)
{
var x = soipnts[i].x;
var y = soipnts[i].y;
if (y != lasty)
{
SDL.SDL_RenderDrawLine(rendererPtr, ViewScreenPos.x - x, ViewScreenPos.y - y, ViewScreenPos.x + x, ViewScreenPos.y - y);
}
lasty = y;
}
/*
* for (int i = 0; i < soipnts.Count -1; i++)
* {
* //var err = SDL.SDL_GetError();
* //SDL.SDL_RenderDrawLine(rendererPtr, soipnts[i].x, soipnts[i].y, soipnts[i + 1].x, soipnts[i + 1].y);
* if (SDL.SDL_RenderDrawPoint(rendererPtr, soipnts[i].x, soipnts[i].y) < 0)
* {
* var err = SDL.SDL_GetError();
* }
*
* //SDL.SDL_RenderDrawLine(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, soipnts[i].x, soipnts[i].y);
* //var err2 = SDL.SDL_GetError();
* }
*/
//Planet Filled Circle
SDL.SDL_SetRenderDrawColor(rendererPtr, 100, 0, 0, 255);
DrawPrimitive.DrawEllipse(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, _targetViewRadius, _targetViewRadius);
var plntPts = CreatePrimitiveShapes.BresenhamCircle(ViewScreenPos.x, ViewScreenPos.y, (int)_targetViewRadius);
for (int i = 0; i < plntPts.Count - 1; i++)
{
SDL.SDL_RenderDrawLine(rendererPtr, plntPts[i].x, plntPts[i].y, plntPts[i + 1].x, plntPts[i + 1].y);
}
/*
* SDL.SDL_SetRenderDrawColor(rendererPtr, 0, 100, 0, 160);
* DrawPrimitive.DrawArc(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, 63, 63, 0, _loAN); //draw LoAN angle
*
* SDL.SDL_SetRenderDrawColor(rendererPtr, 50, 0, 100, 160);
* DrawPrimitive.DrawArc(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, 64, 64, _loAN, _aoP); //draw AoP angle
*
* SDL.SDL_SetRenderDrawColor(rendererPtr, 100, 0, 0, 160);
* DrawPrimitive.DrawArc(rendererPtr, ViewScreenPos.x, ViewScreenPos.y, 66, 66, OrbitAngleRadians, _trueAnomaly);
*/
}