//bool hitTestInit = false;
//void InitHitTest(RenderContext renderContext)
//{
// Vector2d center = new Vector2d();
// double radius = 0;
// Vector2d[] screenPoints = new Vector2d[points.Count];
// int index = 0;
// foreach (Vector3d pnt in points)
// {
// Vector3d screenSpacePnt = renderContext.ViewMatrix.Transform(pnt);
// if (screenSpacePnt.Z < 0)
// {
// return;
// }
// if (Vector3d.Dot(renderContext.ViewPoint, pnt) < .55)
// {
// return;
// }
// screenPoints[index] = new Vector2d(screenSpacePnt.X, screenSpacePnt.Y);
// index++;
// }
// ConvexHull.FindEnclosingCircle(screenPoints, out center, out radius);
//}
public override void Draw(RenderContext renderContext)
{
if (renderContext.gl != null)
{
//todo draw in WebGL
}
else
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Alpha = Opacity;
ctx.BeginPath();
bool first = true;
foreach (Vector3d pnt in points)
{
Vector3d screenSpacePnt = renderContext.WVP.Transform(pnt);
if (screenSpacePnt.Z < 0)
{
ctx.Restore();
return;
}
if (Vector3d.Dot(renderContext.ViewPoint, pnt) < .75)
{
ctx.Restore();
return;
}
if (first)
{
first = false;
ctx.MoveTo(screenSpacePnt.X, screenSpacePnt.Y);
}
else
{
ctx.LineTo(screenSpacePnt.X, screenSpacePnt.Y);
}
}
ctx.ClosePath();
ctx.LineWidth = strokeWidth;
if (fill)
{
ctx.FillStyle = fillColor.ToString();
ctx.Fill();
}
ctx.StrokeStyle = lineColor.ToString();
ctx.Alpha = 1;
ctx.Stroke();
ctx.Restore();
}
}
private void CreateCircleGeometry(RenderContext renderContext)
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Scale(1, Width / Height);
ctx.Translate(X, Y);
ctx.Rotate(RotationAngle * RC);
ctx.BeginPath();
ctx.Arc(0, 0, Width, 0, Math.PI * 2, false);
ctx.ClosePath();
ctx.LineWidth = 0;
ctx.FillStyle = Color.ToString();
ctx.Alpha = Opacity;
ctx.Fill();
ctx.Restore();
}
public override void Draw(RenderContext renderContext)
{
double rad = radius;
if (skyRelative)
{
rad /= renderContext.FovScale / 3600;
}
Vector3d screenSpacePnt = renderContext.WVP.Transform(center);
if (screenSpacePnt.Z < 0)
{
return;
}
if (Vector3d.Dot((Vector3d)renderContext.ViewPoint, (Vector3d)center) < .55)
{
return;
}
if (renderContext.gl != null)
{
//todo draw in WebGL
}
else
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Alpha = Opacity;
ctx.BeginPath();
ctx.Arc(screenSpacePnt.X, screenSpacePnt.Y, rad, 0, Math.PI * 2, true);
ctx.LineWidth = strokeWidth;
ctx.FillStyle = fillColor.ToString();
if (fill)
{
ctx.Fill();
}
ctx.Alpha = 1.0;
ctx.StrokeStyle = lineColor.ToString();
ctx.Stroke();
ctx.Restore();
}
}
private void CreateStarGeometry(RenderContext renderContext)
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Translate(X, Y);
ctx.Rotate(RotationAngle * RC);
ctx.BeginPath();
double centerX = 0;
double centerY = 0;
double radius = Width / 2;
double radiansPerSegment = ((double)Math.PI * 2) / 5;
bool first = true;
for (int i = 0; i < 5; i++)
{
double rads = i * radiansPerSegment - (Math.PI / 2);
if (first)
{
first = false;
ctx.MoveTo(centerX + Math.Cos(rads) * (Width / 2), centerY + Math.Sin(rads) * (Height / 2));
}
else
{
ctx.LineTo(centerX + Math.Cos(rads) * (Width / 2), centerY + Math.Sin(rads) * (Height / 2));
}
double rads2 = i * radiansPerSegment + (radiansPerSegment / 2) - (Math.PI / 2);
ctx.LineTo(centerX + Math.Cos(rads2) * (Width / 5.3), centerY + Math.Sin(rads2) * (Height / 5.3));
}
ctx.ClosePath();
ctx.LineWidth = 0;
ctx.FillStyle = Color.ToString();
ctx.Alpha = Opacity;
ctx.Fill();
ctx.Restore();
}
private void CreateRectGeometry(RenderContext renderContext)
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Translate(X, Y);
ctx.Rotate(RotationAngle * RC);
ctx.BeginPath();
ctx.MoveTo(-Width / 2, -Height / 2);
ctx.LineTo(Width / 2, -Height / 2);
ctx.LineTo(Width / 2, +Height / 2);
ctx.LineTo(-Width / 2, +Height / 2);
ctx.ClosePath();
ctx.LineWidth = 0;
ctx.FillStyle = Color.ToString();
ctx.Alpha = Opacity;
ctx.Fill();
ctx.Restore();
}
public void Draw(RenderContext renderContext, float opacity, bool cull)
{
InitBuffer(renderContext);
if (renderContext.gl == null)
{
if (!imageReady)
{
return;
}
renderContext.Device.Save();
renderContext.WVP.ProjectArrayToScreen(worldList, transformedList);
CanvasContext2D ctx = renderContext.Device;
ctx.Alpha = .4;
double width = renderContext.Width;
double height = renderContext.Height;
Vector3d viewPoint = Vector3d.MakeCopy(renderContext.ViewPoint);
double scaleFactor = renderContext.FovScale / 100;
foreach (DataItem item in items)
{
// todo filter by date
// if (Vector3d.Dot(viewPoint, item.Location) < 0)
if (item.Tranformed.Z < 1)
{
double x = item.Tranformed.X;
double y = item.Tranformed.Y;
double size = .1 * item.Size / scaleFactor;
double half = size / 2;
if (x > -half && x < width + half && y > -half && y < height + half)
{
//ctx.DrawImage(starProfile, x - size / 2, y - size / 2, size, size);
ctx.BeginPath();
// ctx.FillStyle = "rgb(200,0,0)";
ctx.FillStyle = item.Color.ToFormat();
ctx.Arc(x, y, size, 0, Math.PI * 2, true);
ctx.Fill();
}
}
}
renderContext.Device.Restore();
}
else
{
Vector3d zero = new Vector3d();
Matrix3d matInv = Matrix3d.MultiplyMatrix(renderContext.World, renderContext.View);
matInv.Invert();
Vector3d cam = Vector3d.TransformCoordinate(zero, matInv);
foreach (TimeSeriesPointVertexBuffer pointBuffer in pointBuffers)
{
TimeSeriesPointSpriteShader.Use(
renderContext, pointBuffer.VertexBuffer, starTexture.Texture2d,
Color.FromArgb(255 * opacity, 255, 255, 255), DepthBuffered, (float)(this.JNow),
this.TimeSeries ? (float)Decay : 0, cam, (float)(scale * (renderContext.Height / 960)), MinSize, ShowFarSide, Sky
);
renderContext.gl.drawArrays(GL.POINTS, 0, pointBuffer.Count);
}
// renderContext.gl.disable(0x8642);
}
}
//bool hitTestInit = false;
//void InitHitTest(RenderContext renderContext)
//{
// Vector2d center = new Vector2d();
// double radius = 0;
// Vector2d[] screenPoints = new Vector2d[points.Count];
// int index = 0;
// foreach (Vector3d pnt in points)
// {
// Vector3d screenSpacePnt = renderContext.ViewMatrix.Transform(pnt);
// if (screenSpacePnt.Z < 0)
// {
// return;
// }
// if (Vector3d.Dot(renderContext.ViewPoint, pnt) < .55)
// {
// return;
// }
// screenPoints[index] = new Vector2d(screenSpacePnt.X, screenSpacePnt.Y);
// index++;
// }
// ConvexHull.FindEnclosingCircle(screenPoints, out center, out radius);
//}
public override void Draw(RenderContext renderContext)
{
if (renderContext.gl != null)
{
if (Annotation.BatchDirty || AnnotationDirty)
{
//todo can we save this work for later?
List <Vector3d> vertexList = points;
if (strokeWidth > 0 && points.Count > 1)
{
for (int i = 0; i < (points.Count - 1); i++)
{
LineList.AddLine(vertexList[i], vertexList[i + 1], lineColor, new Dates(0, 1));
}
LineList.AddLine(vertexList[points.Count - 1], vertexList[0], lineColor, new Dates(0, 1));
}
if (fill)
{
List <int> indexes = Tessellator.TesselateSimplePoly(vertexList);
for (int i = 0; i < indexes.Count; i += 3)
{
TriangleList.AddSubdividedTriangles(vertexList[indexes[i]], vertexList[indexes[i + 1]], vertexList[indexes[i + 2]], fillColor, new Dates(0, 1), 2);
}
}
AnnotationDirty = false;
}
}
else
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Alpha = Opacity;
ctx.BeginPath();
bool first = true;
foreach (Vector3d pnt in points)
{
Vector3d screenSpacePnt = renderContext.WVP.Transform(pnt);
if (screenSpacePnt.Z < 0)
{
ctx.Restore();
return;
}
if (Vector3d.Dot(renderContext.ViewPoint, pnt) < .75)
{
ctx.Restore();
return;
}
if (first)
{
first = false;
ctx.MoveTo(screenSpacePnt.X, screenSpacePnt.Y);
}
else
{
ctx.LineTo(screenSpacePnt.X, screenSpacePnt.Y);
}
}
ctx.ClosePath();
ctx.LineWidth = strokeWidth;
if (fill)
{
ctx.FillStyle = fillColor.ToString();
ctx.Fill();
}
ctx.StrokeStyle = lineColor.ToString();
ctx.Alpha = 1;
ctx.Stroke();
ctx.Restore();
}
}
public override void Draw(RenderContext renderContext)
{
bool onScreen = true;
double rad = radius;
if (skyRelative)
{
rad /= renderContext.FovScale / 3600;
}
Vector3d screenSpacePnt = renderContext.WVP.Transform(center);
if (screenSpacePnt.Z < 0)
{
onScreen = false;
}
if (Vector3d.Dot((Vector3d)renderContext.ViewPoint, center) < .55)
{
onScreen = false;
}
if (renderContext.gl != null)
{
if (Annotation.BatchDirty || AnnotationDirty)
{
Vector3d up = Vector3d.Create(0, 1, 0);
Vector3d xNormal = Vector3d.Cross(center, up);
Vector3d yNormal = Vector3d.Cross(center, xNormal);
double r = radius / 44;
int segments = 72;
double radiansPerSegment = Math.PI * 2 / segments;
List <Vector3d> vertexList = new List <Vector3d>();
for (int j = 0; j <= segments; j++)
{
double x = Math.Cos(j * radiansPerSegment) * r;
double y = Math.Sin(j * radiansPerSegment) * r;
vertexList.Add(Vector3d.Create(center.X + x * xNormal.X + y * yNormal.X, center.Y + x * xNormal.Y + y * yNormal.Y, center.Z + x * xNormal.Z + y * yNormal.Z));
}
if (strokeWidth > 0 && vertexList.Count > 1)
{
for (int i = 0; i < (vertexList.Count - 1); i++)
{
LineList.AddLine(vertexList[i], vertexList[i + 1], lineColor, new Dates(0, 1));
}
LineList.AddLine(vertexList[vertexList.Count - 1], vertexList[0], lineColor, new Dates(0, 1));
}
if (fill)
{
List <int> indexes = Tessellator.TesselateSimplePoly(vertexList);
for (int i = 0; i < indexes.Count; i += 3)
{
TriangleList.AddSubdividedTriangles(vertexList[indexes[i]], vertexList[indexes[i + 1]], vertexList[indexes[i + 2]], fillColor, new Dates(0, 1), 2);
}
}
AnnotationDirty = false;
}
}
else
{
if (onScreen)
{
CanvasContext2D ctx = renderContext.Device;
ctx.Save();
ctx.Alpha = Opacity;
ctx.BeginPath();
ctx.Arc(screenSpacePnt.X, screenSpacePnt.Y, rad, 0, Math.PI * 2, true);
ctx.LineWidth = strokeWidth;
ctx.FillStyle = fillColor.ToString();
if (fill)
{
ctx.Fill();
}
ctx.Alpha = 1.0;
ctx.StrokeStyle = lineColor.ToString();
ctx.Stroke();
ctx.Restore();
}
}
}
