///----------------------------------------------------------------------------------------------
///Try add key at time, with identity value either from existing curves or in case of no curves, from current property value.
public bool TryKeyIdentity(float time)
{
#if UNITY_EDITOR
if (!HasAnyKey())
{
SetKeyCurrent(time);
return(true);
}
RecordUndo();
var keyAdded = false;
var mode = parameterModel.ForceStepMode() ? TangentMode.Constant : Prefs.defaultTangentMode;
for (var i = 0; i < curves.Length; i++)
{
if (CurveUtility.AddKey(curves[i], time, curves[i].Evaluate(time), mode))
{
keyAdded = true;
}
}
NotifyChange();
return(keyAdded);
#else
return(false);
#endif
}
///Add key at time - value
bool AddKey(AnimationCurve curve, float time, float value)
{
RecordUndo();
#if UNITY_EDITOR
time = Mathf.Max(time, 0);
var keys = curve.keys;
for (var i = 0; i < keys.Length; i++)
{
if (Mathf.Abs(keys[i].time - time) < PROXIMITY_TOLERANCE)
{
var key = keys[i];
key.time = time;
key.value = value;
curve.MoveKey(i, key);
curve.UpdateTangentsFromMode();
return(false);
}
}
var index = curve.AddKey(time, value);
if (animatedType == typeof(bool) || animatedType == typeof(int))
{
curve.SetKeyTangentMode(index, TangentMode.Constant);
}
else
{
//if it's the first key added and preference is set to specific mode
if (curve.length == 1 && Prefs.defaultTangentMode != TangentMode.Editable)
{
curve.SetKeyTangentMode(index, Prefs.defaultTangentMode);
//else set mode from neighbors
}
else
{
var nextIndex = index + 1;
if (nextIndex < curve.length)
{
var nextTangent = CurveUtility.GetKeyLeftTangentMode(curve[nextIndex]);
CurveUtility.SetKeyTangentMode(curve, index, nextTangent);
}
var previousIndex = index - 1;
if (previousIndex >= 0)
{
var previousTangent = CurveUtility.GetKeyRightTangentMode(curve[previousIndex]);
CurveUtility.SetKeyTangentMode(curve, index, previousTangent);
}
}
}
curve.UpdateTangentsFromMode();
#else
curve.AddKey(time, value);
#endif
NotifyChange();
return(true);
}
///Remove keys at time
public void RemoveKey(float time)
{
#if UNITY_EDITOR
RecordUndo();
CurveUtility.RemoveKeys(time, curves);
NotifyChange();
#endif
}
///Should be called after each change to the curves
public void RefreshDopeKeys(IAnimatableData animatable)
{
//get all curve keys
allCurves = animatable.GetCurves();
allKeys = new List <Keyframe>();
for (var i = 0; i < allCurves.Length; i++)
{
allKeys.AddRange(allCurves[i].keys);
//cache wrapmode to parameters
if (animatable is AnimatedParameter && i == 0)
{
preWrapMode = allCurves[i].preWrapMode;
postWrapMode = allCurves[i].postWrapMode;
}
}
allKeys = allKeys.OrderBy(k => k.time).ToList();
//create dope key times and cache related data
currentTimes = new List <float>();
tangentModes = new List <TangentMode>();
keyLabels = new List <string>();
for (var i = 0; i < allKeys.Count; i++)
{
var key = allKeys[i];
if (!currentTimes.Any(t => Mathf.Abs(t - key.time) <= KEY_PROXIMITY_TOLERANCE))
{
currentTimes.Add(key.time);
//cache tangent mode
var keyTangent = CurveUtility.GetKeyTangentMode(key);
foreach (var otherKey in allKeys.Where(k => k.time == key.time))
{
var otherKeyTangent = CurveUtility.GetKeyTangentMode(otherKey);
if (otherKeyTangent != keyTangent)
{
keyTangent = TangentMode.Editable;
break;
}
}
tangentModes.Add(keyTangent);
//cache key labels
keyLabels.Add(string.Format("<size=8>{0}</size>", animatable.GetKeyLabel(key.time)));
}
}
}
///Sets a key on target at time with it's current property value
public void SetKeyCurrent(float time)
{
#if UNITY_EDITOR
RecordUndo();
var floats = GetCurrentValueAsFloats();
var mode = parameterModel.ForceStepMode() ? TangentMode.Constant : Prefs.defaultTangentMode;
if (enabled)
{
for (var i = 0; i < curves.Length; i++)
{
CurveUtility.AddKey(curves[i], time, floats[i], mode);
}
}
lastEval = floats;
NotifyChange();
#endif
}
///Display curves that belong to serializeContext and transformContext parent, at time and with timeSpan.
public void Draw3DCurve(IAnimatableData animatable, IKeyable keyable, Transform transformContext, float time, float timeSpan = 50f)
{
this.animatable = animatable;
// this.keyable = keyable;
var curves = animatable.GetCurves();
if (curves == null || curves.Length != 3)
{
return;
}
var curveX = curves[0];
var curveY = curves[1];
var curveZ = curves[2];
if (curveX.length < 2 || curveY.length < 2 || curveZ.length < 2)
{
return;
}
if (curveX.length != curveY.length || curveY.length != curveZ.length)
{
return;
}
var serializeContext = keyable as Object;
var e = Event.current;
var start = (float)Mathf.FloorToInt(time - (timeSpan / 2));
var end = (float)Mathf.CeilToInt(time + (timeSpan / 2));
start = Mathf.Max(start, Mathf.Min(curveX[0].time, curveY[0].time, curveZ[0].time));
end = Mathf.Min(end, Mathf.Max(curveX[curveX.length - 1].time, curveY[curveY.length - 1].time, curveZ[curveZ.length - 1].time));
if (curveX.length != lastCurveLength)
{
lastCurveLength = curveX.length;
kIndex = -1;
}
//1. Keyframes.
for (var k = 0; k < curveX.length; k++)
{
EditorGUI.BeginChangeCheck();
var forceChanged = false;
var keyX = curveX[k];
var keyY = curveY[k];
var keyZ = curveZ[k];
if (keyX.time < start)
{
continue;
}
if (keyX.time > end)
{
break;
}
var tangentModeX = CurveUtility.GetKeyTangentMode(keyX);
var tangentModeY = CurveUtility.GetKeyTangentMode(keyY);
var tangentModeZ = CurveUtility.GetKeyTangentMode(keyZ);
var haveSameTangents = tangentModeX == tangentModeY && tangentModeY == tangentModeZ;
var tangentMode = haveSameTangents ? tangentModeX : TangentMode.Editable;
var isBroken = CurveUtility.GetKeyBroken(keyX) && CurveUtility.GetKeyBroken(keyY) && CurveUtility.GetKeyBroken(keyZ);
var pos = new Vector3(keyX.value, keyY.value, keyZ.value);
if (transformContext != null)
{
pos = transformContext.TransformPoint(pos);
}
Handles.Label(pos, keyX.time.ToString("0.00"));
///MOUSE EVENTS
var screenPos = HandleUtility.WorldToGUIPoint(pos);
if (((Vector2)screenPos - e.mousePosition).magnitude < 10)
{
if (e.type == EventType.MouseDown)
{
if (e.button == 0 && kIndex != k)
{
kIndex = k;
GUIUtility.hotControl = 0;
SceneView.RepaintAll();
e.Use();
}
if (e.button == 1 && kIndex == k)
{
var menu = new GenericMenu();
menu.AddItem(new GUIContent("Jump Time Here"), false, () => { keyable.root.currentTime = curveX[kIndex].time + keyable.startTime; });
menu.AddItem(new GUIContent("Smooth"), tangentMode == TangentMode.Smooth, () => { contextAction = ContextAction.SetTangentMode; contextTangentMode = TangentMode.Smooth; });
menu.AddItem(new GUIContent("Linear"), tangentMode == TangentMode.Linear, () => { contextAction = ContextAction.SetTangentMode; contextTangentMode = TangentMode.Linear; });
menu.AddItem(new GUIContent("Constant"), tangentMode == TangentMode.Constant, () => { contextAction = ContextAction.SetTangentMode; contextTangentMode = TangentMode.Constant; });
menu.AddItem(new GUIContent("Editable"), tangentMode == TangentMode.Editable, () => { contextAction = ContextAction.SetTangentMode; contextTangentMode = TangentMode.Editable; });
if (tangentMode == TangentMode.Editable)
{
menu.AddItem(new GUIContent("Tangents/Connected"), !isBroken, () => { contextAction = ContextAction.SetBrokenMode; contextBrokenMode = false; });
menu.AddItem(new GUIContent("Tangents/Broken"), isBroken, () => { contextAction = ContextAction.SetBrokenMode; contextBrokenMode = true; });
}
menu.AddSeparator("/");
menu.AddItem(new GUIContent("Delete"), false, () => { contextAction = ContextAction.Delete; });
menu.ShowAsContext();
e.Use();
}
}
}
///APPLY CONTEXT ACTIONS
if (contextAction != ContextAction.None && k == kIndex)
{
var _contextAction = contextAction;
contextAction = ContextAction.None;
forceChanged = true;
if (_contextAction == ContextAction.SetBrokenMode)
{
Undo.RecordObject(serializeContext, "Animation Curve Change");
curveX.SetKeyBroken(kIndex, contextBrokenMode);
curveY.SetKeyBroken(kIndex, contextBrokenMode);
curveZ.SetKeyBroken(kIndex, contextBrokenMode);
NotifyChange();
return;
}
if (_contextAction == ContextAction.SetTangentMode)
{
Undo.RecordObject(serializeContext, "Animation Curve Change");
curveX.SetKeyTangentMode(kIndex, contextTangentMode);
curveY.SetKeyTangentMode(kIndex, contextTangentMode);
curveZ.SetKeyTangentMode(kIndex, contextTangentMode);
NotifyChange();
return;
}
if (_contextAction == ContextAction.Delete)
{
Undo.RecordObject(serializeContext, "Animation Curve Change");
curveX.RemoveKey(k);
curveY.RemoveKey(k);
curveZ.RemoveKey(k);
kIndex = -1;
NotifyChange();
return;
}
}
///POSITION
var pointSize = HandleUtility.GetHandleSize(pos) * 0.05f;
var newValue = pos;
if (kIndex == k)
{
if (Tools.current == Tool.Move)
{
newValue = Handles.PositionHandle(pos, Quaternion.identity);
}
else
{
newValue = Handles.FreeMoveHandle(pos, Quaternion.identity, pointSize, Vector3.zero, Handles.RectangleCap);
}
}
var cam = SceneView.lastActiveSceneView.camera;
Handles.RectangleCap(0, pos, cam.transform.rotation, pointSize);
if (transformContext != null)
{
newValue = transformContext.InverseTransformPoint(newValue);
}
keyX.value = newValue.x;
keyY.value = newValue.y;
keyZ.value = newValue.z;
///TANGENTS
if (haveSameTangents && tangentMode == TangentMode.Editable)
{
if (kIndex == k)
{
if (k != 0)
{
var inHandle = new Vector3(-keyX.inTangent, -keyY.inTangent, -keyZ.inTangent);
inHandle /= HANDLE_DISTANCE_COMPENSATION;
inHandle = newValue + inHandle;
if (transformContext != null)
{
inHandle = transformContext.TransformPoint(inHandle);
}
var handleSize = HandleUtility.GetHandleSize(inHandle) * 0.05f;
var newInHandle = Handles.FreeMoveHandle(inHandle, Quaternion.identity, handleSize, Vector3.zero, Handles.CircleCap);
Handles.DrawLine(pos, newInHandle);
if (transformContext != null)
{
newInHandle = transformContext.InverseTransformPoint(newInHandle);
}
newInHandle -= newValue;
newInHandle *= HANDLE_DISTANCE_COMPENSATION;
keyX.inTangent = -newInHandle.x;
keyY.inTangent = -newInHandle.y;
keyZ.inTangent = -newInHandle.z;
if (!isBroken)
{
keyX.outTangent = keyX.inTangent;
keyY.outTangent = keyY.inTangent;
keyZ.outTangent = keyZ.inTangent;
}
}
if (k < curveX.length - 1)
{
var outHandle = new Vector3(keyX.outTangent, keyY.outTangent, keyZ.outTangent);
outHandle /= HANDLE_DISTANCE_COMPENSATION;
outHandle = newValue + outHandle;
if (transformContext != null)
{
outHandle = transformContext.TransformPoint(outHandle);
}
var handleSize = HandleUtility.GetHandleSize(outHandle) * 0.05f;
var newOutHandle = Handles.FreeMoveHandle(outHandle, Quaternion.identity, handleSize, Vector3.zero, Handles.CircleCap);
Handles.DrawLine(pos, newOutHandle);
if (transformContext != null)
{
newOutHandle = transformContext.InverseTransformPoint(newOutHandle);
}
newOutHandle -= newValue;
newOutHandle *= HANDLE_DISTANCE_COMPENSATION;
keyX.outTangent = newOutHandle.x;
keyY.outTangent = newOutHandle.y;
keyZ.outTangent = newOutHandle.z;
if (!isBroken)
{
keyX.inTangent = keyX.outTangent;
keyY.inTangent = keyY.outTangent;
keyZ.inTangent = keyZ.outTangent;
}
}
}
}
///APPLY
if (EditorGUI.EndChangeCheck() || forceChanged)
{
Undo.RecordObject(serializeContext, "Animation Curve Change");
curveX.MoveKey(k, keyX);
curveY.MoveKey(k, keyY);
curveZ.MoveKey(k, keyZ);
EditorUtility.SetDirty(serializeContext);
NotifyChange();
}
}
///2. Motion Path
Handles.color = Prefs.motionPathsColor;
var lastDrawnPos = Vector3.zero;
for (var t = start; t <= end; t += DRAW_RESOLUTION)
{
var pos = new Vector3(curveX.Evaluate(t), curveY.Evaluate(t), curveZ.Evaluate(t));
var nextPos = new Vector3(curveX.Evaluate(t + DRAW_RESOLUTION), curveY.Evaluate(t + DRAW_RESOLUTION), curveZ.Evaluate(t + DRAW_RESOLUTION));
if (transformContext != null)
{
pos = transformContext.TransformPoint(pos);
nextPos = transformContext.TransformPoint(nextPos);
}
if ((pos - lastDrawnPos).magnitude > DRAW_THRESHOLD)
{
lastDrawnPos = pos;
Handles.SphereCap(0, pos, Quaternion.identity, 0.02f);
Handles.DrawLine(pos, nextPos);
}
}
Handles.color = Color.white;
///3. GUI
if (kIndex >= 0)
{
var guiRect = new Rect(Screen.width - 300, Screen.height - 170, 280, 130);
var kx = curveX[kIndex];
var ky = curveY[kIndex];
var kz = curveZ[kIndex];
EditorGUI.BeginChangeCheck();
{
Handles.BeginGUI();
GUILayout.BeginArea(guiRect);
EditorTools.BeginBody("Keyframe Parameters");
kx.value = EditorGUILayout.FloatField("X", kx.value);
ky.value = EditorGUILayout.FloatField("Y", ky.value);
kz.value = EditorGUILayout.FloatField("Z", kz.value);
GUI.enabled = CurveUtility.GetKeyTangentMode(kx) == TangentMode.Editable;
var inTangent = new Vector3(kx.inTangent, ky.inTangent, kz.inTangent);
inTangent = EditorGUILayout.Vector3Field("", inTangent);
kx.inTangent = inTangent.x;
ky.inTangent = inTangent.y;
kz.inTangent = inTangent.z;
GUI.enabled = CurveUtility.GetKeyBroken(kx);
var outTangent = new Vector3(kx.outTangent, ky.outTangent, kz.outTangent);
outTangent = EditorGUILayout.Vector3Field("", outTangent);
kx.outTangent = outTangent.x;
ky.outTangent = outTangent.y;
kz.outTangent = outTangent.z;
GUI.enabled = true;
EditorTools.EndBody();
GUILayout.EndArea();
Handles.EndGUI();
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(serializeContext, "Animation Curve Change");
curveX.MoveKey(kIndex, kx);
curveY.MoveKey(kIndex, ky);
curveZ.MoveKey(kIndex, kz);
EditorUtility.SetDirty(serializeContext);
NotifyChange();
}
}
/*
* for (var k = 0; k < curveX.length - 1; k++){
* var keyX = curveX[k];
* var keyY = curveY[k];
* var keyZ = curveZ[k];
* var nextKeyX = curveX[k+1];
* var nextKeyY = curveY[k+1];
* var nextKeyZ = curveZ[k+1];
*
* var t = new Vector3(keyX.time, keyY.time, keyZ.time);
* var nextT = new Vector3(nextKeyX.time, nextKeyY.time, nextKeyZ.time);
*
* var tangent = new Vector3( keyX.outTangent, keyY.outTangent, keyZ.outTangent );
* var nextTangent = new Vector3( nextKeyX.inTangent, nextKeyY.inTangent, nextKeyZ.inTangent );
*
* var pos = new Vector3( keyX.value, keyY.value, keyZ.value );
* var nextPos = new Vector3( nextKeyX.value, nextKeyY.value, nextKeyZ.value );
*
* if (transformContext != null){
* pos = transformContext.TransformPoint(pos);
* nextPos = transformContext.TransformPoint(nextPos);
* }
*
* var num = (nextT - t) * 0.333333f;
* var tangentPos = new Vector3( pos.x + num.x * tangent.x, pos.y + num.y * tangent.y, pos.z + num.z * tangent.z );
* var nextTangentPos = new Vector3( nextPos.x - num.x * nextTangent.x, nextPos.y - num.y * nextTangent.y, nextPos.z - num.z * nextTangent.z );
*
* Handles.DrawBezier(pos, nextPos, tangentPos, nextTangentPos, Prefs.motionPathsColor, null, 1.5f);
* }
*/
}
///Returns the key time before time, or last key if time is first key time.
public float GetKeyPrevious(float time)
{
return(CurveUtility.GetKeyPrevious(time, curves));
}
///Returns the key time after time, or first key if time is last key time.
public float GetKeyNext(float time)
{
return(CurveUtility.GetKeyNext(time, curves));
}
///Has any key at time?
public bool HasKey(float time)
{
return(CurveUtility.HasKey(time, curves));
}
///Are there any keys at all?
public bool HasAnyKey()
{
return(CurveUtility.HasAnyKey(curves));
}