private void DoIkPoseGUI(Solver2D solver, IKChain2D chain)
{
int controlId = GUIUtility.GetControlID(kTargetHashCode, FocusType.Passive);
var color = FadeFromChain(Color.white, chain);
if (!isDragging && (color.a == 0f || !IsVisible(chain.effector.position)))
{
return;
}
if (HandleUtility.nearestControl == controlId && Event.current.type == EventType.MouseDown && Event.current.button == 0)
{
StoreSolverPositionOverrides(solver);
}
EditorGUI.BeginChangeCheck();
Handles.color = color;
Vector3 newPosition = Handles.Slider2D(controlId, chain.effector.position, chain.effector.forward, chain.effector.up, chain.effector.right, HandleUtility.GetHandleSize(chain.effector.position) * kCircleHandleRadius, Handles.CircleHandleCap, Vector2.zero);
if (EditorGUI.EndChangeCheck())
{
if (!isDragging)
{
isDragging = true;
}
IKEditorManager.instance.Record(solver, "IK Pose");
SetSolverPositionOverrides();
IKEditorManager.instance.SetChainPositionOverride(chain, newPosition);
IKEditorManager.instance.UpdateSolverImmediate(solver, true);
}
}
public void Setup()
{
go = new GameObject();
var childGO = new GameObject();
childGO.transform.parent = go.transform;
var targetGO = new GameObject();
targetGO.transform.parent = childGO.transform;
go.transform.position = Vector3.zero;
childGO.transform.position = new Vector3(1.0f, 0.0f, 0.0f);
targetGO.transform.position = new Vector3(3.0f, 0.0f, 0.0f);
ikGO = new GameObject();
manager = ikGO.AddComponent <IKManager2D>();
var lsGO = new GameObject();
solver = lsGO.AddComponent <LimbSolver2D>();
lsGO.transform.parent = ikGO.transform;
effectorGO = new GameObject();
effectorGO.transform.parent = solver.transform;
chain = solver.GetChain(0);
chain.target = targetGO.transform;
chain.effector = effectorGO.transform;
solver.Initialize();
manager.AddSolver(solver);
}
private void DoTargetGUI(Solver2D solver, IKChain2D chain)
{
int controlId = GUIUtility.GetControlID(kTargetHashCode, FocusType.Passive);
var color = FadeFromChain(Color.white, chain);
if (!isDragging && (color.a == 0f || !IsVisible(chain.target.position)))
{
return;
}
EditorGUI.BeginChangeCheck();
Handles.color = color;
var newPosition = Handles.Slider2D(controlId, chain.target.position, chain.target.forward, chain.target.up, chain.target.right, HandleUtility.GetHandleSize(chain.effector.position) * kCircleHandleRadius, Handles.CircleHandleCap, Vector2.zero);
if (EditorGUI.EndChangeCheck())
{
if (!isDragging)
{
isDragging = true;
IKEditorManager.instance.RegisterUndo(solver, "Move Target");
}
Undo.RecordObject(chain.target, "Move Target");
chain.target.position = newPosition;
}
}
private void DrawChain(IKChain2D chain, Color solverColor, bool solverHasTargets)
{
Handles.matrix = Matrix4x4.identity;
Color color = FadeFromChain(solverColor, chain);
if (color.a == 0f)
{
return;
}
Transform currentTransform = chain.effector;
for (int i = 0; i < chain.transformCount - 1; ++i)
{
var parentPosition = currentTransform.parent.position;
var position = currentTransform.position;
Vector3 projectedLocalPosition = Vector3.Project(currentTransform.localPosition, Vector3.right);
Vector3 projectedEndPoint = currentTransform.parent.position + currentTransform.parent.TransformVector(projectedLocalPosition);
var visible = IsVisible(projectedEndPoint) || IsVisible(position);
if (visible && currentTransform.localPosition.sqrMagnitude != projectedLocalPosition.sqrMagnitude)
{
Color red = Color.red;
red.a = color.a;
Handles.color = red;
Handles.DrawDottedLine(projectedEndPoint, position, kDottedLineLength);
}
visible = IsVisible(parentPosition) || IsVisible(projectedEndPoint);
Handles.color = color;
if (visible)
{
Handles.DrawDottedLine(parentPosition, projectedEndPoint, kDottedLineLength);
}
currentTransform = currentTransform.parent;
}
Handles.color = color;
currentTransform = chain.effector;
for (int i = 0; i < chain.transformCount; ++i)
{
var position = currentTransform.position;
var size = HandleUtility.GetHandleSize(position);
if (IsVisible(position))
{
Handles.DrawSolidDisc(position, currentTransform.forward, kNodeRadius * size);
}
currentTransform = currentTransform.parent;
}
Handles.color = Color.white;
}
private Color FadeFromChain(Color color, IKChain2D chain)
{
var size = HandleUtility.GetHandleSize(chain.effector.position);
var scaleFactor = 1f;
var lengths = chain.lengths;
foreach (var length in lengths)
{
scaleFactor = Mathf.Max(scaleFactor, length);
}
return(FadeFromSize(color, size, kFadeStart * scaleFactor, kFadeEnd * scaleFactor));
}
public override void OnInspectorGUI()
{
IKChain2D chain = m_Solver.GetChain(0);
serializedObject.Update();
EditorGUILayout.PropertyField(m_EffectorProperty, Contents.effectorLabel);
EditorGUILayout.PropertyField(m_TargetProperty, Contents.targetLabel);
EditorGUILayout.IntSlider(m_TransformCountProperty, 0, IKUtility.GetMaxChainCount(chain), Contents.chainLengthLabel);
EditorGUILayout.PropertyField(m_IterationsProperty, Contents.iterationsLabel);
EditorGUILayout.PropertyField(m_ToleranceProperty, Contents.toleranceLabel);
DrawCommonSolverInspector();
serializedObject.ApplyModifiedProperties();
}
public void Setup()
{
editorManager = IKEditorManager.instance;
go = new GameObject();
var child1GO = new GameObject();
child1GO.transform.parent = go.transform;
var child2GO = new GameObject();
child2GO.transform.parent = child1GO.transform;
var child3GO = new GameObject();
child3GO.transform.parent = child2GO.transform;
targetGO = new GameObject();
targetGO.transform.parent = child3GO.transform;
go.transform.position = Vector3.zero;
child1GO.transform.position = new Vector3(1.0f, 0.0f, 0.0f);
child2GO.transform.position = new Vector3(3.0f, 0.0f, 0.0f);
child3GO.transform.position = new Vector3(6.0f, 0.0f, 0.0f);
targetGO.transform.position = new Vector3(10.0f, 0.0f, 0.0f);
ikGO = new GameObject();
manager = ikGO.AddComponent <IKManager2D>();
var lsGO = new GameObject();
solver = lsGO.AddComponent <FabrikSolver2D>();
lsGO.transform.parent = ikGO.transform;
effectorGO = new GameObject();
effectorGO.transform.parent = solver.transform;
effectorGO.transform.position = new Vector3(10.0f, 0.0f, 0.0f);
chain = solver.GetChain(0);
chain.target = targetGO.transform;
chain.effector = effectorGO.transform;
chain.transformCount = 5;
solver.Initialize();
manager.AddSolver(solver);
editorManager.Initialize();
}
public void SetChainPositionOverride(IKChain2D chain, Vector3 position)
{
m_ChainPositionOverrides[chain] = position;
}
private bool IsTargetTransformSelected(IKChain2D chain)
{
Debug.Assert(chain.target != null);
return(Selection.Contains(chain.target.gameObject));
}
private bool IsEffectorTransformSelected(IKChain2D chain)
{
Debug.Assert(chain.effector != null);
return(Selection.Contains(chain.effector.gameObject));
}
