private void MoveHoverLight(MouseEventArgs e)
{
Point mousePos = e.GetPosition(pnlIconBorder);
double width = pnlIconBorder.ActualWidth;
double height = pnlIconBorder.ActualHeight;
DoubleVector standard = new DoubleVector(
ProjectToTrackball(width, height, new Point(width * .5d, height * .5d)),
ProjectToTrackball(width, height, new Point(width * .5d, height)));
Vector3D camPos = _camera.Position.ToVector();
Vector3D cross1 = Vector3D.CrossProduct(camPos, _camera.UpDirection * -1d);
Vector3D cross2 = Vector3D.CrossProduct(cross1, camPos);
DoubleVector camera = new DoubleVector(camPos, cross2); // can't use camera.up directly, because it's not nessassarily orthogonal
// Attach the point to a sphere around the ship
Vector3D projectedPos = ProjectToTrackball(width, height, mousePos);
// Rotate this so that it's relative to the camera
Quaternion rotation = standard.GetRotation(camera);
_hoverLight.Position = rotation.GetRotatedVector(projectedPos * 2d).ToPoint();
}
private Quaternion GetRotationForDelta()
{
DoubleVector screenPlane = new DoubleVector(1, 0, 0, 0, 1, 0);
DoubleVector cameraPlane = new DoubleVector(_camera1.LookDirection.GetRotatedVector(_camera1.UpDirection, -90), _camera1.UpDirection);
return screenPlane.GetRotation(cameraPlane);
}
private void btnTestIt_Click(object sender, RoutedEventArgs e)
{
Vector3D defaultStand = new Vector3D(LINELENGTH_X * .75d, 0, 0);
Vector3D defaultOrth = new Vector3D(0, 0, LINELENGTH_Z * .75d);
DoubleVector from = new DoubleVector(_orientationTrackballFrom.Transform.Transform(defaultStand), _orientationTrackballFrom.Transform.Transform(defaultOrth));
DoubleVector to = new DoubleVector(_orientationTrackballTo.Transform.Transform(defaultStand), _orientationTrackballTo.Transform.Transform(defaultOrth));
// This is the method that this form is testing
Quaternion quat = from.GetRotation(to);
//DoubleVector rotated = new DoubleVector(quat.GetRotatedVector(defaultStand), quat.GetRotatedVector(defaultOrth));
DoubleVector rotated = new DoubleVector(quat.GetRotatedVector(from.Standard), quat.GetRotatedVector(from.Orth)); // quat describes how to rotate from From to To (not from Default to To)
//Vector3D axis = quat.Axis.ToUnit() * (LINELENGTH_X * 2d);
Vector3D axis = _orientationTrackballFrom.Transform.Transform(quat.Axis.ToUnit() * (LINELENGTH_X * 1.5d)); // I rotate axis by from, because I want it relative to from (axis isn't in world coords)
pnlReport.Children.Clear();
ClearTempVisuals();
ClearLines(_lineTransformed);
_lineTransformed = AddLines(rotated, axis);
}
private static Transform3D GetTransformTo2D(ITriangle triangle)
{
Vector3D line1 = triangle.Point1 - triangle.Point0;
DoubleVector from = new DoubleVector(line1, Math3D.GetOrthogonal(line1, triangle.Point2 - triangle.Point0));
DoubleVector to = new DoubleVector(new Vector3D(1, 0, 0), new Vector3D(0, 1, 0));
Quaternion rotation = from.GetRotation(to);
Transform3DGroup retVal = new Transform3DGroup();
// Rotate
retVal.Children.Add(new RotateTransform3D(new QuaternionRotation3D(rotation)));
// Then translate
retVal.Children.Add(new TranslateTransform3D(0, 0, -triangle.Point0.Z));
return retVal;
}
private void FireRaySprtShootBall()
{
Vector3D velocity = _rayDirection.ToUnit() * trkBulletSpeed.Value;
DoubleVector directionFacing = new DoubleVector(velocity, Math3D.GetArbitraryOrhonganal(velocity));
switch (cboLeftBallType.Text)
{
case "Nerf":
#region Nerf
AddCannonBall(
CollisionShapeType.Cylinder,
Colors.Coral,
new Vector3D(.75d, 5d, 0d), // x is radius, y is height
.1d,
_rayPoint,
velocity,
new Vector3D(),
directionFacing);
#endregion
break;
case "Pellet":
#region Pellet
AddCannonBall(
CollisionShapeType.Sphere,
Colors.SteelBlue,
new Vector3D(.5d, .5d, .5d),
2d,
_rayPoint,
velocity,
new Vector3D(),
directionFacing);
#endregion
break;
case "Slug":
#region Slug
AddCannonBall(
CollisionShapeType.Cylinder,
Colors.DimGray,
new Vector3D(.5d, .8d, 0d), // x is radius, y is height
6d,
_rayPoint,
velocity,
new Vector3D(),
directionFacing);
#endregion
break;
case "Baseball":
#region Baseball
AddCannonBall(
CollisionShapeType.Sphere,
Colors.GhostWhite,
new Vector3D(2d, 2d, 2d),
5d,
_rayPoint,
velocity,
new Vector3D(),
directionFacing);
#endregion
break;
case "Cannon":
#region Cannon
AddCannonBall(
CollisionShapeType.Sphere,
Color.FromArgb(255, 45, 45, 32),
new Vector3D(2d, 2d, 2d),
15d,
_rayPoint,
velocity,
new Vector3D(),
directionFacing);
#endregion
break;
case "Wrecker":
#region Wrecker
AddCannonBall(
CollisionShapeType.Sphere,
Color.FromArgb(255, 50, 15, 15),
new Vector3D(4d, 4d, 4d),
60d,
_rayPoint,
velocity,
new Vector3D(),
directionFacing);
#endregion
break;
case "Shotgun":
#region Shotgun
// Build a transform to go from origin to camera
DoubleVector originDirFacing = new DoubleVector(0, 0, 1, 0, 1, 0);
Quaternion rotationToCameraRay = originDirFacing.GetRotation(new DoubleVector(_rayDirection, Math3D.GetArbitraryOrhonganal(_rayDirection)));
Transform3DGroup transformToCamera = new Transform3DGroup();
transformToCamera.Children.Add(new RotateTransform3D(new QuaternionRotation3D(rotationToCameraRay)));
transformToCamera.Children.Add(new TranslateTransform3D(_rayPoint.ToVector()));
for (int cntr = 0; cntr < 10; cntr++)
{
Vector3D pos2D = Math3D.GetRandomVector_Circular(1d);
//Vector3D vel2D = new Vector3D(pos2D.X, pos2D.Y, trkBulletSpeed.Value * 2d);
//Point3D position = _rayPoint;
velocity = _rayDirection.ToUnit() * trkBulletSpeed.Value * 2d; //TODO: Diverge the shot
Point3D position = transformToCamera.Transform(pos2D.ToPoint());
//velocity = transformToCamera.Transform(vel2D);
directionFacing = new DoubleVector(velocity, Math3D.GetArbitraryOrhonganal(velocity));
AddCannonBall(
CollisionShapeType.Sphere,
Color.FromRgb(25, 25, 25),
new Vector3D(.1d, .1d, .1d),
.2d,
position,
velocity,
new Vector3D(),
directionFacing);
}
#endregion
break;
default:
MessageBox.Show("Unknown ball type: " + cboLeftBallType.Text, this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}