private void DrawPoints(CatmullRomCentripetal spline, Transform tr)
{
if (!ms_drawPts)
{
return;
}
Camera sceneViewCam = Camera.current;
Transform camTr = sceneViewCam.transform;
// draw point and selection
EUtil.PushHandleColor(SplineConst.SplinePtColor);
for (int i = 0; i < spline.PointCount; ++i)
{
if (spline.Cycle && i == spline.PointCount - 1) //don't draw button for last point if is cycle
{
continue;
}
bool isSelPoint = false;
if (i == m_curPtIdx)
{
isSelPoint = true;
EUtil.PushHandleColor(Handles.selectedColor);
}
Vector3 pt = tr.TransformPoint(spline[i]);
if (Handles.Button(pt, camTr.rotation, ms_ptSize, ms_ptSize, Handles.DotCap))
{
m_curPtIdx = i;
Repaint();
}
if (isSelPoint)
{
EUtil.PopHandleColor();
}
}
EUtil.PopHandleColor();
if (ms_foldoutTSlider)
{
Vector3 tPos = tr.TransformPoint(spline.Interp(m_tSlider));
Handles.CircleCap(GUIUtility.GetControlID(FocusType.Passive), tPos, camTr.rotation, ms_ptSize);
}
}
void OnSceneGUI()
{
CCDSolverMB cp = (CCDSolverMB)target;
CCDSolver solver = cp.GetSolver();
if (solver == null || solver.Count < 1)
{
return;
}
if (cp.ShowGizmos)
{
var joints = solver.GetJoints();
Camera sceneCam = EUtil.GetSceneViewCamera();
Transform camTr = sceneCam.transform;
EUtil.PushHandleColor(Pref.IKBoneLinkColor);
//1. draw bone line
for (int i = 0; i < joints.Length - 1; ++i)
{
var p0 = joints[i].position;
var p1 = joints[i + 1].position;
Handles.DrawAAPolyLine(3f, p0, p1);
Handles.DotCap(0, p0, camTr.rotation, m_markerSize.val);
}
if (joints.Length > 0)
{
Handles.DotCap(0, joints.Last().position, camTr.rotation, m_markerSize.val);
}
EUtil.PopHandleColor();
//1.5 draw line from end-joint to target pos
{
var p0 = joints.Last().position;
var p1 = solver.Target;
Handles.DrawDottedLine(p0, p1, 5f);
}
//2. call each constraint's OnSceneGUI
for (int i = 0; i < joints.Length - 1; ++i)
{
var cons = solver.GetConstraint(i);
foreach (var con in cons)
{
if (!con || !con.enabled)
{
continue;
}
Editor e = EUtil.GetEditor(con);
IOnSceneGUI igui = e as IOnSceneGUI;
if (igui != null)
{
igui.OnSceneGUI();
}
}
}
}
//3. debug draw
if (!cp.Target)
{
if (m_panel != EPanel.Normal)
{
Tools.current = Tool.None;
// move handle
if (m_panel == EPanel.Continuous)
{
EditorGUI.BeginChangeCheck();
}
solver.Target = Handles.PositionHandle(solver.Target, Quaternion.identity);
if (m_panel == EPanel.Continuous && EditorGUI.EndChangeCheck())
{
Undo.RecordObjects(solver.GetJoints(), "IK execute");
solver.Execute();
}
// hotkeys
Event e = Event.current;
if (e.type == EventType.KeyUp && Tools.viewTool != ViewTool.FPS)
{
if (e.keyCode == KeyCode.E)
{
Tools.current = Tool.Rotate; m_panel = EPanel.Normal;
}
else if (e.keyCode == KeyCode.R)
{
Tools.current = Tool.Scale; m_panel = EPanel.Normal;
}
else if (e.keyCode == KeyCode.Q)
{
Tools.current = Tool.View; m_panel = EPanel.Normal;
}
}
}
}
}