public void AddPoint()
{
GameObject newObj = new GameObject();
newObj.transform.parent = transform;
newObj.name = "Point" + pointCount;
Jun_BezierPoint newPoint = newObj.AddComponent <Jun_BezierPoint>();
if (pointCount == 0)
{
newPoint.transform.localPosition = Vector3.zero;
}
if (pointCount == 1)
{
newPoint.transform.localPosition = Vector3.up;
}
if (pointCount > 1)
{
Vector3 lastPoint = GetPoint(pointCount - 1).transform.localPosition;
newPoint.transform.localPosition = lastPoint - GetPoint(pointCount - 2).transform.localPosition + lastPoint;
}
m_bezierPoints.Add(newPoint);
IsChange();
}
public override void OnInspectorGUI()
{
Jun_BezierCurve tar = (Jun_BezierCurve)target;
GUILayout.BeginVertical();
tar.isAuto = EditorGUILayout.Toggle("Auto", tar.isAuto);
tar.isClose = EditorGUILayout.Toggle("Close:", tar.isClose);
if (GUILayout.Button("AddPoint", EditorStyles.miniButton))
{
tar.AddPoint();
}
for (int i = 0; i < tar.pointCount; i++)
{
Jun_BezierPoint thisPoint = tar.GetPoint(i);
if (thisPoint == null)
{
break;
}
GUILayout.BeginHorizontal();
GUILayout.Label("Point:" + i, GUILayout.Width(40));
thisPoint.transform.position = EditorGUILayout.Vector3Field("", thisPoint.transform.position);
GUILayout.EndHorizontal();
}
GUILayout.EndVertical();
}
private void OnSceneGUI()
{
Jun_BezierPoint tar = (Jun_BezierPoint)target;
Jun_BezierCurveEditor.DrawCurve(tar.curve);
if (tar.transform.parent != tar.curve)
{
tar.transform.parent = tar.curve.transform;
}
}
Vector3 GetPoint(Jun_BezierPoint point01, Jun_BezierPoint point02, float t)
{
if (point01 == null || point02 == null)
{
return(transform.position);
}
Vector3 p1 = point01.transform.position;
Vector3 p2 = point01.worldHandles02;
Vector3 p3 = point02.worldHandles01;
Vector3 p4 = point02.transform.position;
return(Jun_BezierCurveTools.GetBezierCurvePoint(p1, p2, p3, p4, t));
}
void ApproximateLenght()
{
if (pointCount < 2)
{
return;
}
m_lenght = 0;
for (int i = 0; i < pointCount - 1; i++)
{
Jun_BezierPoint thisPoint = GetPoint(i);
Jun_BezierPoint nextPoint = GetPoint(i + 1);
m_lenght += GetCurveLenght(thisPoint, nextPoint);
}
if (isClose)
{
m_lenght += GetCurveLenght(GetPoint(pointCount - 1), GetPoint(0));
}
}
float GetCurveLenght(Jun_BezierPoint point01, Jun_BezierPoint point02)
{
if (point01 == null || point02 == null)
{
return(0);
}
Vector3 p1 = point01.transform.position;
Vector3 p2 = point01.worldHandles02;
Vector3 p3 = point02.worldHandles01;
Vector3 p4 = point02.transform.position;
Vector3 lastPosition = p1;
float thisLenght = 0;
for (int j = 0; j <= sample; j++)
{
float t = j * 1.0f / sample;
Vector3 thisPos = Jun_BezierCurveTools.GetBezierCurvePoint(p1, p2, p3, p4, t);
thisLenght += Vector3.Distance(thisPos, lastPosition);
lastPosition = thisPos;
}
return(thisLenght);
}
public Vector3 GetPointInCurve(float timeValue)
{
if (isClose)
{
if (timeValue > 1)
{
timeValue = timeValue - (int)timeValue;
}
if (timeValue < 0)
{
timeValue = 1 + timeValue - (int)timeValue;
}
}
if (pointCount < 2)
{
return(transform.position);
}
if (timeValue <= 0)
{
return(GetPoint(0).transform.position);
}
if (timeValue >= 1)
{
return(isClose? GetPoint(0).transform.position: GetPoint(pointCount - 1).transform.position);
}
float lenght = curveLenght;
float preLenght = 0;
int count = pointCount - 1;
if (isClose)
{
count = pointCount;
}
for (int i = 0; i < count; i++)
{
Jun_BezierPoint thisPoint = GetPoint(i);
Jun_BezierPoint nextPoint = GetPoint(i + 1);
if (isClose && i == count - 1)
{
nextPoint = GetPoint(0);
}
if (thisPoint == null || nextPoint == null)
{
break;
}
Vector3 prePosition = thisPoint.transform.position;
float thisLenght = GetCurveLenght(thisPoint, nextPoint);
float thisV = thisLenght * 1.0f / lenght;
if (timeValue >= preLenght && timeValue <= preLenght + thisV)
{
Vector3 pos = GetPoint(thisPoint, nextPoint, (timeValue - preLenght) / thisV);
return(pos);
}
preLenght += thisV;
}
return(transform.position);
}
public static void DrawCurve(Jun_BezierCurve tar)
{
for (int i = 0; i < tar.pointCount; i++)
{
Jun_BezierPoint thisPoint = tar.GetPoint(i);
if (thisPoint == null)
{
tar.RemovePointAt(i);
break;
}
float handleSize = HandleUtility.GetHandleSize(thisPoint.transform.position) * 0.1f;
Vector3 pointPos = Handles.FreeMoveHandle(thisPoint.transform.position, Quaternion.identity, handleSize, Vector3.zero, Handles.SphereHandleCap);
if (thisPoint.transform.position != pointPos)
{
thisPoint.transform.position = pointPos;
tar.IsChange();
}
if (!tar.isAuto)
{
if (thisPoint.type != Jun_BezierPoint.PointType.None)
{
Vector3 handle01Pos = Handles.FreeMoveHandle(thisPoint.worldHandles01, Quaternion.identity, handleSize, Vector3.zero, Handles.CubeHandleCap);
if (thisPoint.worldHandles01 != handle01Pos)
{
thisPoint.worldHandles01 = handle01Pos;
if (thisPoint.type == Jun_BezierPoint.PointType.Smooth)
{
thisPoint.worldHandles02 = -(handle01Pos - pointPos) + pointPos;
}
}
Vector3 handle02Pos = Handles.FreeMoveHandle(thisPoint.worldHandles02, Quaternion.identity, handleSize, Vector3.zero, Handles.CubeHandleCap);
if (thisPoint.worldHandles02 != handle02Pos)
{
thisPoint.worldHandles02 = handle02Pos;
if (thisPoint.type == Jun_BezierPoint.PointType.Smooth)
{
thisPoint.worldHandles01 = -(handle02Pos - pointPos) + pointPos;
}
}
Handles.DrawLine(pointPos, handle01Pos);
Handles.DrawLine(pointPos, handle02Pos);
}
}
else
{
Jun_BezierPoint currentPoint = tar.GetPoint(i);
Jun_BezierPoint prePoint = tar.GetPrePoint(i);
Jun_BezierPoint nextPoint = tar.GetNextPoint(i);
if (prePoint == null || nextPoint == null || currentPoint == null)
{
currentPoint.type = Jun_BezierPoint.PointType.None;
}
else
{
//Vector3 pos01 = prePoint.transform.position - currentPoint.transform.position;
//Vector3 pos02 = nextPoint.transform.position - currentPoint.transform.position;
//Vector3 nPos = Vector3.Cross(pos01, pos02);
//float angle = (180 - Vector3.Angle(pos01, pos02))*0.5f * Mathf.Deg2Rad;
//Vector3 pos;
//Vector3 a = prePoint.transform.position - pos;
//Vector3 b = pos - currentPoint.transform.position;
//Vector3 curPPos = currentPoint.transform.position;
//(pos.x - curPPos.x)*(pos.x - curPPos.x)
//Mathf.Cos(angle) * pos01.magnitude;
}
}
}
}
