public void _AutoSetParameters()
{
ConeConstraintMB mb = this;
Transform j = mb.transform;
Transform jparent = j.parent;
Transform jchild = mb.nextJoint;
// decide the refAxis
{
Vector3 axis = Vector3.zero;
if (jparent != null)
{
axis = (j.position - jparent.position).normalized;
}
else
{
axis = (jchild.position - j.position).normalized;
}
mb.refAxis = Misc.InverseTransformDirection(jparent, axis); //convert to parent space
}
//decide the angle limit
mb.angleLimit = DEF_ANGLELIMIT;
// decide the min/max limit
mb.minTwistLimit = DEF_MinTwist;
mb.maxTwistLimit = DEF_MaxTwist;
mb.CalcInitData(); //calc startlocalRot
}
public void OnSceneGUI()
{
ConeConstraintMB mb = (ConeConstraintMB)target;
if (mb == null)
{
return;
}
Transform j = mb.transform;
Transform jparent = j.parent;
Transform jchild = mb.nextJoint;
if (jchild == null)
{
return;
}
var saveColor = Handles.color;
float szMul = EUtil.GetHandleSize(j.position, 3f) * ms_markerSize;
Vector3 worldRefAxis = Misc.TransformDirection(jparent, mb.refAxis).normalized;
//1. draw the refAxis
Handles.color = Color.red;
Handles.DrawAAPolyLine(4f, j.position, j.position + worldRefAxis * szMul * 1.5f); //ref axis
//2. draw the cone
float angleLimit = mb.angleLimit;
Handles.color = ms_markerColor;
float zdist = Mathf.Cos(Mathf.Deg2Rad * angleLimit) * szMul;
float radius = Mathf.Sin(Mathf.Deg2Rad * angleLimit) * szMul;
Vector3 circleCenter = j.position + worldRefAxis * zdist;
Handles.DrawWireDisc(circleCenter, worldRefAxis, radius);
Vector3 pseudoXAxis = Vector3.Cross(Vector3.up, worldRefAxis).normalized;
if (pseudoXAxis == Vector3.zero)
{
pseudoXAxis = Vector3.right;
}
Vector3 pseudoYAxis = Vector3.Cross(worldRefAxis, pseudoXAxis).normalized;
Handles.DrawAAPolyLine(3f, j.position, circleCenter + radius * pseudoXAxis);
Handles.DrawAAPolyLine(3f, j.position, circleCenter - radius * pseudoXAxis);
Handles.DrawAAPolyLine(3f, j.position, circleCenter + radius * pseudoYAxis);
Handles.DrawAAPolyLine(3f, j.position, circleCenter - radius * pseudoYAxis);
Handles.color = saveColor;
}
private void _OnNextJointChanged()
{
ConeConstraintMB mb = (ConeConstraintMB)this;
var nextJoint = mb.m_nextJoint;
if (nextJoint != null)
{
if (nextJoint.parent == mb.transform)
{
_AutoSetParameters();
}
else
{
Dbg.CLogWarn(mb, nextJoint.name + " is not children of " + mb.name);
mb.m_nextJoint = null;
}
}
}
public override void OnInspectorGUI()
{
ConeConstraintMB mb = (ConeConstraintMB)target;
mb.enabled = EditorGUILayout.Toggle("Enabled", mb.enabled);
EditorGUI.BeginChangeCheck();
mb.nextJoint = EditorGUILayout.ObjectField("nextJoint", mb.nextJoint, typeof(Transform), true) as Transform;
if (EditorGUI.EndChangeCheck())
{
EUtil.RepaintSceneView();
}
if (mb.nextJoint == null)
{
EditorGUILayout.LabelField("Set the nextJoint first...");
return;
}
else
{
EUtil.PushGUIEnable(mb.enabled);
EditorGUILayout.BeginHorizontal();
{
GUILayout.Space(30f);
if (EUtil.Button("ReInit", "decide all the parameters with default method", Color.green))
{
Undo.RecordObject(mb, "AutoInit");
mb._AutoSetParameters();
EUtil.RepaintSceneView();
}
GUILayout.Space(30f);
}
EditorGUILayout.EndHorizontal();
// angle limit
EditorGUI.BeginChangeCheck();
float newAngleLimit = EditorGUILayout.Slider(CONT_AngleLimit, mb.angleLimit, 0, 180f);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(mb, "Modify Angle Limit");
mb.angleLimit = newAngleLimit;
EUtil.RepaintSceneView();
}
// ref-Axis
EditorGUI.BeginChangeCheck();
Vector3 newRefAxis = EUtil.DrawV3P(CONT_RefAxis, mb.refAxis);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(mb, "Modify ref axis");
mb.refAxis = newRefAxis;
mb.CalcInitData(); //!! recalc the startTwistRot
EUtil.RepaintSceneView();
}
mb.limitTwist = EditorGUILayout.Toggle(CONT_LimitTwist, mb.limitTwist);
if (mb.limitTwist)
{
float min = mb.minTwistLimit;
float max = mb.maxTwistLimit;
EditorGUI.BeginChangeCheck();
EUtil.DrawMinMaxSlider("Twist Limits", ref min, ref max, -180f, 180f);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(mb, "Modify twist limits");
mb.minTwistLimit = min;
mb.maxTwistLimit = max;
EUtil.RepaintSceneView();
}
EditorGUILayout.LabelField("Current twist: " + mb.CalcTwist());
}
ms_showDisplaySetting = EditorGUILayout.Foldout(ms_showDisplaySetting, "Display Settings:");
if (ms_showDisplaySetting)
{
EditorGUI.BeginChangeCheck();
ms_markerSize = EditorGUILayout.FloatField("Marker size", ms_markerSize);
ms_markerColor = EditorGUILayout.ColorField("Marker color", ms_markerColor);
if (EditorGUI.EndChangeCheck())
{
EUtil.RepaintSceneView();
}
}
EUtil.PopGUIEnable();
}
}