private void RenderAxisRotating(IViewport viewport, PerspectiveCamera camera, Graphics graphics)
{
if (_activeViewport.Viewport != viewport || !_mouseDownPoint.HasValue || !_mouseMovePoint.HasValue)
{
return;
}
graphics.SmoothingMode = SmoothingMode.HighQuality;
using (var p = new Pen(Color.Gray))
{
var st = camera.WorldToScreen(_pivotPoint);
var en = _mouseDownPoint.Value;
p.DashPattern = new float[] { 4, 4 };
graphics.DrawLine(p, st.X, st.Y, en.X, en.Y);
}
using (var p = new Pen(Color.LightGray))
{
var st = camera.WorldToScreen(_pivotPoint);
var en = _mouseMovePoint.Value;
p.DashPattern = new float[] { 4, 4 };
graphics.DrawLine(p, st.X, st.Y, en.X, en.Y);
}
graphics.SmoothingMode = SmoothingMode.Default;
}
public override void Render(IViewport viewport, PerspectiveCamera camera, I2DRenderer im)
{
const int size = 4;
var spos = camera.WorldToScreen(Position);
var color = Color.FromArgb(255, GetColor());
im.AddRectOutlineOpaque(new Vector2(spos.X - size, spos.Y - size), new Vector2(spos.X + size, spos.Y + size), Color.Black, color);
}
private void RenderAxisRotating(IViewport viewport, PerspectiveCamera camera, I2DRenderer im)
{
if (ActiveViewport.Viewport != viewport || !_mouseDownPoint.HasValue || !_mouseMovePoint.HasValue)
{
return;
}
var st = camera.WorldToScreen(_pivotPoint);
var en = _mouseDownPoint.Value;
im.AddLine(st.ToVector2(), en.ToVector2(), Color.Gray);
en = _mouseMovePoint.Value;
im.AddLine(st.ToVector2(), en.ToVector2(), Color.LightGray);
}
public override void Render(IViewport viewport, PerspectiveCamera camera, Graphics graphics)
{
const int size = 8;
var spos = camera.WorldToScreen(Position);
var rect = new Rectangle((int)spos.X - size / 2, (int)spos.Y - size / 2, size, size);
var color = Color.FromArgb(255, GetColor());
using (var brush = new SolidBrush(color))
{
graphics.FillRectangle(brush, rect);
graphics.DrawRectangle(Pens.Black, rect);
}
}
private void RenderCircleTypeNone(PerspectiveCamera camera, I2DRenderer im)
{
var center = _pivotPoint;
var origin = new Vector3(center.X, center.Y, center.Z);
var distance = (camera.EyeLocation - origin).Length();
if (distance <= 1)
{
return;
}
// Ensure points that can't be projected properly don't get rendered
var screenOrigin = camera.WorldToScreen(origin);
var sop = new PointF(screenOrigin.X, screenOrigin.Y);
var rec = new RectangleF(-200, -200, camera.Width + 400, camera.Height + 400);
if (!rec.Contains(sop))
{
return;
}
var radius = 0.15f * distance;
var normal = Vector3.Normalize(Vector3.Subtract(camera.EyeLocation, origin));
var right = Vector3.Normalize(Vector3.Cross(normal, Vector3.UnitZ));
var up = Vector3.Normalize(Vector3.Cross(normal, right));
const int sides = 32;
const float diff = (float)(2 * Math.PI) / sides;
for (var i = 0; i < sides; i++)
{
var cos1 = (float)Math.Cos(diff * i);
var sin1 = (float)Math.Sin(diff * i);
var cos2 = (float)Math.Cos(diff * (i + 1));
var sin2 = (float)Math.Sin(diff * (i + 1));
var line = new Line(
origin + right * cos1 * radius + up * sin1 * radius,
origin + right * cos2 * radius + up * sin2 * radius
);
var st = camera.WorldToScreen(line.Start);
var en = camera.WorldToScreen(line.End);
im.AddLine(st.ToVector2(), en.ToVector2(), Color.DarkGray);
line = new Line(
origin + right * cos1 * radius * 1.2f + up * sin1 * radius * 1.2f,
origin + right * cos2 * radius * 1.2f + up * sin2 * radius * 1.2f
);
st = camera.WorldToScreen(line.Start);
en = camera.WorldToScreen(line.End);
var c = _mouseOver == CircleType.Outer ? Color.White : Color.LightGray;
im.AddLine(st.ToVector2(), en.ToVector2(), c);
}
var plane = new Plane(normal, Vector3.Dot(origin, normal));
for (var i = 0; i < sides; i++)
{
var cos1 = (float)Math.Cos(diff * i) * radius;
var sin1 = (float)Math.Sin(diff * i) * radius;
var cos2 = (float)Math.Cos(diff * (i + 1)) * radius;
var sin2 = (float)Math.Sin(diff * (i + 1)) * radius;
RenderLine(
(origin + Vector3.UnitX * cos1 + Vector3.UnitY * sin1),
(origin + Vector3.UnitX * cos2 + Vector3.UnitY * sin2),
plane,
_mouseOver == CircleType.Z ? Color.Blue : Color.DarkBlue,
camera, im);
RenderLine(
(origin + Vector3.UnitY * cos1 + Vector3.UnitZ * sin1),
(origin + Vector3.UnitY * cos2 + Vector3.UnitZ * sin2),
plane,
_mouseOver == CircleType.X ? Color.Red : Color.DarkRed,
camera, im);
RenderLine(
(origin + Vector3.UnitZ * cos1 + Vector3.UnitX * sin1),
(origin + Vector3.UnitZ * cos2 + Vector3.UnitX * sin2),
plane,
_mouseOver == CircleType.Y ? Color.Lime : Color.LimeGreen,
camera, im);
}
}