private static Record3D CreateDNAScene()
{
var target = new Record3D();
for (int i = 0; i < 20; ++i)
{
var angle = (float)i / 3;
var x = (float)Math.Cos(angle) * 10;
var z = (float)Math.Sin(angle) * 10;
var y = 10 + i * 10;
target.DrawSphere(new Vector3(x, y, z), 2, COLOR.SkyBlue);
target.DrawSphere(new Vector3(-x, y, -z), 2, COLOR.Violet);
x *= 0.5f;
z *= 0.5f;
target.DrawSegment(new Vector3(x, y, z), new Vector3(-x, y, -z), 0.5f, (COLOR.Blue, LineCapStyle.Triangle, LineCapStyle.Triangle));
}
return(target);
}
private static Record3D CreateDefaultScene1()
{
var context = new Record3D();
context.DrawPivot(Matrix4x4.CreateTranslation(-10, 0, -10), 2);
float diamenter = 1;
context.DrawSegment(Vector3.Zero, Vector3.One * 3, diamenter, (COLOR.White, LineCapStyle.Triangle, LineCapStyle.Triangle));
context.DrawSegment(Vector3.One * 3, Vector3.UnitX * 7, diamenter, COLOR.Blue);
context.DrawSegment(Vector3.One * 3, Vector3.One * 3, diamenter, COLOR.Black);
context.DrawSurface((COLOR.Red.WithAlpha(180), COLOR.Yellow, 0.25f), new Vector3(-1, 0, 10), new Vector3(1, 0, 10), new Vector3(0, 1, 10));
context.DrawSegment(Vector3.Zero, Vector3.UnitX * 7, diamenter, COLOR.Violet);
context.DrawSegment(new Vector3(9, 0, 0), new Vector3(9, 10, 0), diamenter, ((COLOR.Red, COLOR.Black, 0.1f), LineCapStyle.Round, LineCapStyle.Round));
context.DrawSphere(new Vector3(-9, 0, 0), 2, (COLOR.Red, COLOR.Blue, 0.1f));
// degenerated line falls back to sphere
context.DrawSegment(new Vector3(0, 9, 0), new Vector3(0, 9, 0), 2, COLOR.Yellow);
return(context);
}
