/// <summary> /// Sets the view state. /// </summary> /// <param name="viewState">New <see cref="ViewState"/> to apply to the view.</param> protected override void SetViewState(ViewState viewState) { PdbViewState pdbViewState = viewState as PdbViewState; if (pdbViewState != null) { this.structureControl.SetViewState(pdbViewState); } }
/// <summary> /// Calculates a decent orientation of the molecule based on the bounding box of the /// currently selected atoms. Used for animating to the center of a selection. /// </summary> /// <returns>The generated view state representing the desired orientation.</returns> internal PdbViewState GetSelectionViewState() { Vector3D center = new Vector3D(); foreach (Atom atom in this.SelectedAtoms) { center.X += atom.Position.X; center.Y += atom.Position.Y; center.Z += atom.Position.Z; } center.X /= this.SelectedAtoms.Count; center.Y /= this.SelectedAtoms.Count; center.Z /= this.SelectedAtoms.Count; double radius = 16; foreach (Atom atom in this.SelectedAtoms) { Vector3D vector = new Vector3D(atom.Position.X - center.X, atom.Position.Y - center.Y, atom.Position.Z - center.Z); radius = Math.Max(radius, vector.LengthSquared); } radius = Math.Sqrt(radius); center.X += this.translateTransform.OffsetX; center.Y += this.translateTransform.OffsetY; center.Z += this.translateTransform.OffsetZ; double moleculeRadius = 1.25 / this.scaleTransform.ScaleX; double scale = 0.8 * moleculeRadius / radius; Vector3D cameraVector = new Vector3D(0, 0, 1); Vector3D axis = Vector3D.CrossProduct(center, cameraVector); double angle = Vector3D.AngleBetween(center, cameraVector); PdbViewState pdbViewState = new PdbViewState(); pdbViewState.Scale = scale; pdbViewState.Translation = -center * this.scaleTransform.ScaleX; if (axis.LengthSquared > 0) { pdbViewState.Rotation = new Quaternion(axis, angle); } return(pdbViewState); }
/// <summary> /// Gets the current <see cref="ViewState"/> of the control instance. /// </summary> /// <returns>The current <see cref="PdbViewState"/>.</returns> internal PdbViewState GetViewState() { PdbViewState viewState = new PdbViewState(); viewState.Translation = new Vector3D(this.translateTransform.OffsetX, this.translateTransform.OffsetY, this.translateTransform.OffsetZ); viewState.Rotation = ((QuaternionRotation3D)this.rotateTransform.Rotation).Quaternion; viewState.Scale = this.scaleTransform.ScaleX; viewState.Clip = this.clip; viewState.Slab = this.slab; return(viewState); }
/// <summary> /// Creates the tween of the instance and the specified end ViewState. /// </summary> /// <param name="endViewState">End <see cref="ViewState"/> of the tween.</param> /// <param name="t">The interpolation coefficient.</param> /// <returns> /// A <see cref="ViewState"/> representing the tween of this instance and the specifed end ViewState. /// </returns> protected override ViewState CreateTween(ViewState endViewState, double t) { PdbViewState tweenViewState = new PdbViewState(); PdbViewState otherViewState = endViewState as PdbViewState; if (otherViewState != null) { tweenViewState.translation = this.translation + t * (otherViewState.translation - this.translation); tweenViewState.scale = this.scale + t * (otherViewState.scale - this.scale); tweenViewState.clip = this.clip + t * (otherViewState.clip - this.clip); tweenViewState.slab = this.slab + t * (otherViewState.slab - this.slab); tweenViewState.rotation = Quaternion.Slerp( this.rotation, otherViewState.rotation, t); } return(tweenViewState); }
/// <summary> /// Sets all camera and transform settings based on the specified <see cref="PdbViewState"/>. /// </summary> /// <param name="pdbViewState">The new state of the view.</param> internal void SetViewState(PdbViewState pdbViewState) { this.translateTransform.OffsetX = pdbViewState.Translation.X; this.translateTransform.OffsetY = pdbViewState.Translation.Y; this.translateTransform.OffsetZ = pdbViewState.Translation.Z; this.scaleTransform.ScaleX = pdbViewState.Scale; this.scaleTransform.ScaleY = pdbViewState.Scale; this.scaleTransform.ScaleZ = pdbViewState.Scale; QuaternionRotation3D rotation = (QuaternionRotation3D)this.rotateTransform.Rotation; rotation.Quaternion = pdbViewState.Rotation; this.clip = pdbViewState.Clip; this.slab = pdbViewState.Slab; this.UpdateClipping(); }
/// <summary> /// Sets all camera and transform settings based on the specified <see cref="PdbViewState"/>. /// </summary> /// <param name="pdbViewState">The new state of the view.</param> internal void SetViewState(PdbViewState pdbViewState) { this.translateTransform.OffsetX = pdbViewState.Translation.X; this.translateTransform.OffsetY = pdbViewState.Translation.Y; this.translateTransform.OffsetZ = pdbViewState.Translation.Z; this.scaleTransform.ScaleX = pdbViewState.Scale; this.scaleTransform.ScaleY = pdbViewState.Scale; this.scaleTransform.ScaleZ = pdbViewState.Scale; QuaternionRotation3D rotation = (QuaternionRotation3D)this.rotateTransform.Rotation; rotation.Quaternion = pdbViewState.Rotation; this.clip = pdbViewState.Clip; this.slab = pdbViewState.Slab; this.UpdateClipping(); }
/// <summary> /// Gets the current <see cref="ViewState"/> of the control instance. /// </summary> /// <returns>The current <see cref="PdbViewState"/>.</returns> internal PdbViewState GetViewState() { PdbViewState viewState = new PdbViewState(); viewState.Translation = new Vector3D(this.translateTransform.OffsetX, this.translateTransform.OffsetY, this.translateTransform.OffsetZ); viewState.Rotation = ((QuaternionRotation3D)this.rotateTransform.Rotation).Quaternion; viewState.Scale = this.scaleTransform.ScaleX; viewState.Clip = this.clip; viewState.Slab = this.slab; return viewState; }
/// <summary> /// Calculates a decent orientation of the molecule based on the bounding box of the /// currently selected atoms. Used for animating to the center of a selection. /// </summary> /// <returns>The generated view state representing the desired orientation.</returns> internal PdbViewState GetSelectionViewState() { Vector3D center = new Vector3D(); foreach (Atom atom in this.SelectedAtoms) { center.X += atom.Position.X; center.Y += atom.Position.Y; center.Z += atom.Position.Z; } center.X /= this.SelectedAtoms.Count; center.Y /= this.SelectedAtoms.Count; center.Z /= this.SelectedAtoms.Count; double radius = 16; foreach (Atom atom in this.SelectedAtoms) { Vector3D vector = new Vector3D(atom.Position.X - center.X, atom.Position.Y - center.Y, atom.Position.Z - center.Z); radius = Math.Max(radius, vector.LengthSquared); } radius = Math.Sqrt(radius); center.X += this.translateTransform.OffsetX; center.Y += this.translateTransform.OffsetY; center.Z += this.translateTransform.OffsetZ; double moleculeRadius = 1.25 / this.scaleTransform.ScaleX; double scale = 0.8 * moleculeRadius / radius; Vector3D cameraVector = new Vector3D(0, 0, 1); Vector3D axis = Vector3D.CrossProduct(center, cameraVector); double angle = Vector3D.AngleBetween(center, cameraVector); PdbViewState pdbViewState = new PdbViewState(); pdbViewState.Scale = scale; pdbViewState.Translation = -center * this.scaleTransform.ScaleX; if (axis.LengthSquared > 0) pdbViewState.Rotation = new Quaternion(axis, angle); return pdbViewState; }
/// <summary> /// Creates the tween of the instance and the specified end ViewState. /// </summary> /// <param name="endViewState">End <see cref="ViewState"/> of the tween.</param> /// <param name="t">The interpolation coefficient.</param> /// <returns> /// A <see cref="ViewState"/> representing the tween of this instance and the specifed end ViewState. /// </returns> protected override ViewState CreateTween(ViewState endViewState, double t) { PdbViewState tweenViewState = new PdbViewState(); PdbViewState otherViewState = endViewState as PdbViewState; if (otherViewState != null) { tweenViewState.translation = this.translation + t * (otherViewState.translation - this.translation); tweenViewState.scale = this.scale + t * (otherViewState.scale - this.scale); tweenViewState.clip = this.clip + t * (otherViewState.clip - this.clip); tweenViewState.slab = this.slab + t * (otherViewState.slab - this.slab); tweenViewState.rotation = Quaternion.Slerp( this.rotation, otherViewState.rotation, t); } return tweenViewState; }