public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IWindowsFormsEditorService edSvc =
(IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (edSvc == null)
{
return(value);
}
pd = context.PropertyDescriptor;
component = context.Instance;
if (pd == null)
{
return(value);
}
Vector3 v = (Vector3)value;
using (EulerEditor ctrol = new EulerEditor(Euler.FromDirection(v)))
{
ctrol.EulerChanged += ctrol_EulerChanged;
edSvc.DropDownControl(ctrol);
return(ctrol.Orientation.ToDirection());
}
}
private Matrix ComputeLocalTransform(Vector3 offset)
{
var dir = Vector3.Normalize(Vector3.TransformCoordinates(offset, Matrix.RotationY(-Numerics.PIover2)));
//(0,0,1) -> euler(0,0,0)
var euler = Euler.FromDirection(dir);
var rotationMatrix = euler.ToMatrix() * Matrix.RotationY(Numerics.PIover2);
localTransform = rotationMatrix;
localTransform.Translation = Offset;
//update the childrens local Transforms
var invRotation = Matrix.Invert(rotationMatrix);
return(invRotation);
}
private void CreateLights()
{
_lights = new Frame[6];
Random ran = new Random();
Color3[] colors = new Color3[8]
{
new Color3(Color.Yellow.ToArgb()), new Color3(Color.Red.ToArgb()), new Color3(Color.Green.ToArgb()), new Color3(Color.LightCoral.ToArgb()),
new Color3(Color.DarkBlue.ToArgb()), new Color3(Color.Gray.ToArgb()), new Color3(Color.IndianRed.ToArgb()), new Color3(Color.LightSalmon.ToArgb())
};
float step = Numerics.TwoPI / _lights.Length;
Spherical spherical = new Spherical(Numerics.PIover2, 0);
for (int i = 0; i < _lights.Length; i++)
{
var light = new Light()
{
Diffuse = colors[i % 8],
//Diffuse = new Vector3((float)ran.NextDouble(),(float)ran.NextDouble(),(float)ran.NextDouble()),
Specular = new Vector3(0.2f, 0.2f, 0.2f),
Type = LightType.Point,
Enable = true
};
spherical.Phi = step * i;
var pos = spherical.ToCartesian() * 300;
pos.Y = 50;
var instance = new FrameLight(light);
var node = SceneManager.Scene.Create("light" + i, instance,
localPosition: pos,
localRotationEuler: Euler.FromDirection(new Vector3(0, -1, 0)),
localScale: new Vector3(1, 1, 1));
SceneManager.Scene.Dynamics.Add(new Dynamic(x =>
{
Frame n = node;
n.LocalPosition = Vector3.TransformCoordinates(n.LocalPosition,
Matrix.RotationY(Numerics.ToRadians(1)));
n.ComputeLocalPose();
n.CommitChanges();
}));
_lights[i] = node;
}
}
private void btPick_Click(object sender, EventArgs e)
{
using (AttitudePickerForm form = new AttitudePickerForm(Euler.FromDirection(direction)))
{
Vector3 oldDir = direction;
form.OrientationChanged += new EventHandler(form_OrientationChanged);
if (form.ShowDialog() == DialogResult.OK)
{
Vector3 dir = form.Orientation.ToDirection();
direction = oldDir;
if (direction != dir)
{
direction = dir;
tbAttitude.Text = StringConverter.GetString(direction);
OnDirectionChanged();
}
}
}
}
public static Frame CreateNode(Light light, Vector3 position, Vector3 direction)
{
return(CreateNode(light, position, Euler.FromDirection(direction)));
}
