protected override void DrawLocalGizmos(ref Matrix4x4 matrix)
{
base.DrawLocalGizmos(ref matrix);
if (_previewRotation)
{
ValidateSamples();
int segmentCount = this.segmentCount;
Location loc;
Quaternion rot;
Vector3 pos;
Handles.color = previewRotationColor;
for (loc.index = 0; loc.index < segmentCount; loc.index++)
{
int count = Mathf.CeilToInt(node(loc.index).length);
for (int t = 0; t <= count; t++)
{
if (t == count && loc.index != segmentCount - 1) continue;
loc.time = (float)t / count;
rot = GetRotation(loc, Space.Self);
pos = GetPoint(loc, Space.Self);
Handles.ArrowHandleCap(0, pos, rot, 0.75f, EventType.Repaint);
HandlesKit.DrawAALine(pos, pos + rot * Vector3.up);
}
}
}
}
protected virtual void DrawLocalGizmos(ref Matrix4x4 matrix)
{
// 绘制路径
int count = segmentCount;
for (int i = 0; i < count; i++)
{
this[i].Draw(_segmentColor, _segmentWidth);
}
// 绘制箭头
using (new HandlesColorScope(_arrowColor))
{
Vector3 point = this[count - 1].GetPoint(1f);
float scale = HandleUtility.GetHandleSize(point) / Mathf.Abs(_worldScale);
Vector3 vector = new Vector3(0.06f, 0f, -0.2f) * scale;
var tangent = this[count - 1].GetTangent(1f);
var rotation = Quaternion.LookRotation(tangent, matrix.inverse.MultiplyPoint(Camera.current.transform.position) - point);
HandlesKit.DrawAALine(point, point + rotation * vector);
vector.x = -vector.x;
HandlesKit.DrawAALine(point, point + rotation * vector);
}
}
protected override void OnRotateToolSceneGUI(CardinalPathWithRotation path)
{
int count = path.nodeCount;
for (int i = 0; i < count; i++)
{
var position = path.GetNodePosition(i);
var rotation = path.GetNodeRatation(i);
float size = HandleUtility.GetHandleSize(position);
Handles.color = new Color(0.6f, 1f, 0.3f);
Handles.ArrowHandleCap(0, position, rotation, size, EventType.Repaint);
HandlesKit.DrawAALine(position, position + rotation * Vector3.up * size);
if (selectedNode == i)
{
using (var scope = new ChangeCheckScope(path))
{
if (path.IsNodeLookTangent(i))
{
rotation = Handles.Disc(rotation, position, rotation * Vector3.forward, size, false, 0.01f);
}
else
{
rotation = Handles.RotationHandle(rotation, position);
}
if (scope.changed)
{
path.SetNodeRatation(i, rotation);
}
}
}
else
{
Handles.color = capNormalColor;
if (Handles.Button(position, Quaternion.identity, size * capSize, size * capSize, Handles.DotHandleCap))
{
selectedNode = i;
}
}
}
}
protected override void OnMoveToolSceneGUI(T path)
{
int count = path.nodeCount;
for (int i = 0; i < count; i++)
{
// 获取控制点位置
var middle = path.GetNodePosition(i);
float capSize;
var back = path.GetNodeBackControlPoint(i);
var forward = path.GetNodeForwardControlPoint(i);
// 绘制切线
Handles.color = selectedNode == i ? new Color(1f, 1f, 1f, 0.9f) : new Color(1f, 1f, 1f, 0.3f);
HandlesKit.DrawAALine(back, middle);
HandlesKit.DrawAALine(forward, middle);
// 绘制后控制点
capSize = HandleUtility.GetHandleSize(back) * FloatingWindow.capSize;
if (_selectedType == -1 && selectedNode == i)
{
using (var scope = new ChangeCheckScope(path))
{
Handles.color = capSelectedColor;
if (selectedTool == 0)
{
back = Handles.FreeMoveHandle(back, Quaternion.identity, capSize * 2, snap, Handles.RectangleHandleCap);
}
else if (selectedTool == 1)
{
back = Handles.PositionHandle(back, path.transform.rotation);
}
if (scope.changed)
{
path.SetNodeBackControlPoint(i, back);
}
}
}
else
{
Handles.color = capNormalColor;
if (Handles.Button(back, Quaternion.identity, capSize, capSize, Handles.DotHandleCap))
{
selectedNode = i;
_selectedType = -1;
}
}
// 绘制前控制点
capSize = HandleUtility.GetHandleSize(forward) * FloatingWindow.capSize;
if (_selectedType == 1 && selectedNode == i)
{
using (var scope = new ChangeCheckScope(path))
{
Handles.color = capSelectedColor;
if (selectedTool == 0)
{
forward = Handles.FreeMoveHandle(forward, Quaternion.identity, capSize * 2, snap, Handles.RectangleHandleCap);
}
else if (selectedTool == 1)
{
forward = Handles.PositionHandle(forward, path.transform.rotation);
}
if (scope.changed)
{
path.SetNodeForwardControlPoint(i, forward);
}
}
}
else
{
Handles.color = capNormalColor;
if (Handles.Button(forward, Quaternion.identity, capSize, capSize, Handles.DotHandleCap))
{
selectedNode = i;
_selectedType = 1;
}
}
// 绘制中控制点
capSize = HandleUtility.GetHandleSize(middle) * FloatingWindow.capSize;
if (_selectedType == 0 && selectedNode == i)
{
using (var scope = new ChangeCheckScope(path))
{
Handles.color = capSelectedColor;
if (selectedTool == 0)
{
middle = Handles.FreeMoveHandle(middle, Quaternion.identity, capSize * 2, snap, Handles.RectangleHandleCap);
}
else if (selectedTool == 1)
{
middle = Handles.PositionHandle(middle, path.transform.rotation);
}
if (scope.changed)
{
path.SetNodePosition(i, middle);
}
}
}
else
{
Handles.color = capNormalColor;
if (Handles.Button(middle, Quaternion.identity, capSize, capSize, Handles.DotHandleCap))
{
selectedNode = i;
_selectedType = 0;
}
}
}
}
protected override void OnMoveToolSceneGUI(T path)
{
if (_showTension)
{
for (int i = 0; i < path.segmentCount; i++)
{
float tension = path.GetSegmentTension(i);
var point1 = path.GetNodePosition(i);
var point2 = path.GetNodePosition((i + 1) % path.nodeCount);
point1 = point1 * 0.75f + point2 * 0.25f;
point2 = point1 / 3f + point2 * (2f / 3f);
var point = (point2 - point1) * tension + point1;
Handles.color = new Color(1f, 1f, 1f, 0.5f);
HandlesKit.DrawAALine(point1, point2, 4);
float capSize = HandleUtility.GetHandleSize(point) * FloatingWindow.capSize;
using (var scope = new ChangeCheckScope(path))
{
Handles.color = capNormalColor;
point = Handles.FreeMoveHandle(point, Quaternion.identity, capSize, snap, Handles.CircleHandleCap);
tension = MathKit.ClosestPointOnSegmentFactor(point, point1, point2);
//tension = (float)Math.Round(tension, 2);
//using (new HandlesGUIScope(0))
//{
// var pos2D = HandleUtility.WorldToGUIPoint(point);
// var rect = new Rect(pos2D.x + 12, pos2D.y - 9, 32, 18);
// EditorGUI.DrawRect(rect, new Color(0, 0, 0, 0.5f));
// using (new GUIContentColorScope(Color.white))
// {
// EditorGUI.LabelField(rect, tension.ToString(), EditorStyles.whiteLabel);
// }
//}
if (scope.changed)
{
path.SetSegmentTension(i, tension);
}
}
}
}
int count = path.nodeCount;
for (int i = 0; i < count; i++)
{
var position = path.GetNodePosition(i);
float capSize = HandleUtility.GetHandleSize(position) * FloatingWindow.capSize;
if (selectedNode == i)
{
using (var scope = new ChangeCheckScope(path))
{
Handles.color = capSelectedColor;
if (selectedTool == 0)
{
position = Handles.FreeMoveHandle(position, Quaternion.identity, capSize * 2, snap, Handles.RectangleHandleCap);
}
else
{
position = Handles.PositionHandle(position, path.transform.rotation);
}
if (scope.changed)
{
path.SetNodePosition(i, position);
}
}
}
else
{
Handles.color = capNormalColor;
if (Handles.Button(position, Quaternion.identity, capSize, capSize, Handles.DotHandleCap))
{
selectedNode = i;
}
}
}
}
