/// <summary>
/// 更新子物体的位置和角度
/// </summary>
/// <param name="ctrans"></param>
void UpdateTrans(CustomTransform ctrans)
{
Transform trans = ctrans.transform;
//更新角度
int angle = -(int)trans.transform.localEulerAngles.y;
angle -= angle / 360 * 360;
if (angle < -180)
{
angle += 360;
}
if (angle > 180)
{
angle -= 360;
}
if (ctrans.LocalAngle != angle)
{
ctrans.LocalAngle = angle;
}
//更新位置
CustomVector3 vec = CustomVector3.GetCustomVector3ByVector3(trans.localPosition);
if (ctrans.LocalPosition != vec)
{
ctrans.LocalPosition = vec;
}
}
public override void OnInspectorGUI()
{
base.OnInspectorGUI();
CustomTransform trans = target as CustomTransform;
//编辑器状态下，拖拽更新
if (!Application.isPlaying)
{
trans.LocalPosition = CustomVector3.GetCustomVector3ByVector3(trans.transform.localPosition);
UpdateChild(trans.transform);
}
EditorGUILayout.BeginVertical();
GUILayoutOption style1 = GUILayout.Width(10);
GUILayoutOption style2 = GUILayout.Width(80);
GUILayoutOption style3 = GUILayout.Width(100);
CustomVector3 localPosition = trans.LocalPosition;
EditorGUILayout.LabelField("LocalPostion");
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("x", style1);
EditorGUILayout.LabelField(localPosition.x.value.ToString(), style2);
EditorGUILayout.LabelField("y", style1);
EditorGUILayout.LabelField(localPosition.y.value.ToString(), style2);
EditorGUILayout.LabelField("z", style1);
EditorGUILayout.LabelField(localPosition.z.value.ToString(), style2);
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("LocalAngle", style3);
EditorGUILayout.LabelField(trans.LocalAngle.ToString(), style2);
EditorGUILayout.EndHorizontal();
EditorGUILayout.LabelField("Postion");
EditorGUILayout.BeginHorizontal();
CustomVector3 Position = trans.Position;
EditorGUILayout.LabelField("x", style1);
EditorGUILayout.LabelField(Position.x.value.ToString(), style2);
EditorGUILayout.LabelField("y", style1);
EditorGUILayout.LabelField(Position.y.value.ToString(), style2);
EditorGUILayout.LabelField("z", style1);
EditorGUILayout.LabelField(Position.z.value.ToString(), style2);
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("Angle", style3);
EditorGUILayout.LabelField(trans.Angle.ToString(), style2);
EditorGUILayout.EndHorizontal();
EditorGUILayout.EndVertical();
}
public override void OnSceneGUI()
{
base.OnSceneGUI();
CustomPolygonCollider col = target as CustomPolygonCollider;
if (!col.mEdit)
{
return;
}
Camera camera = Camera.current;
//获取鼠标的位置
Vector2 mousePos = Event.current.mousePosition;
//scene视图中原点是左上角，但相机的原点是左下角，所以要转换下y值
mousePos.y = camera.pixelHeight - mousePos.y;
int index = -1;
float length = 0;
float percentage = 0;
for (int i = 0; i < col.Bound.Count; i++)
{
Vector3 startViewPos = camera.WorldToScreenPoint(col.LocalToWorld(col.Bound[i]).value);
Vector3 endViewPos = camera.WorldToScreenPoint(col.LocalToWorld(col.Bound[(i + 1) % col.Bound.Count]).value);
//平行于X轴
if (LineAndXParallel(startViewPos, endViewPos))
{
//平行于Y轴
if (LineAndYParallel(startViewPos, endViewPos))
{
continue;
}
else
{
float len = Mathf.Abs(mousePos.y - startViewPos.y);
float percent = (mousePos.x - startViewPos.x) / (endViewPos.x - startViewPos.x);
bool first = index == -1;
bool replace = len < length;
index = first ? i : replace ? i : index;
length = first ? len : replace ? len : length;
percentage = first ? percent : replace ? percent : percentage;
}
}
//平行于Y轴
else if (LineAndYParallel(startViewPos, endViewPos))
{
float len = Mathf.Abs(mousePos.x - startViewPos.x);
float percent = (mousePos.y - startViewPos.y) / (endViewPos.y - startViewPos.y);
bool first = index == -1;
bool replace = len < length;
index = first ? i : replace ? i : index;
length = first ? len : replace ? len : length;
percentage = first ? percent : replace ? percent : percentage;
}
else
{
float k = (endViewPos.y - startViewPos.y) / (endViewPos.x - startViewPos.x);//y = kx+b;kx - y + b = 0
float b = startViewPos.y - k * startViewPos.x;
float len = Mathf.Abs((k * mousePos.x - mousePos.y + b)) / Mathf.Sqrt(1 + Mathf.Pow(k, 2));
float percent = (mousePos.y - startViewPos.y) / (endViewPos.y - startViewPos.y);
bool first = index == -1;
bool replace = len < length;
index = first ? i : replace ? i : index;
length = first ? len : replace ? len : length;
percentage = first ? percent : replace ? percent : percentage;
}
}
//点击右键
bool mRightMouseDown = Event.current.button == 1 && Event.current.type == EventType.MouseDown;
//按下shift
bool mShiftDown = Event.current.shift;
//按下alt
bool mAlt = Event.current.alt;
if (index != -1 && percentage > 0)
{
Vector3 start = col.LocalToWorld(col.Bound[index]).value;
Vector3 end = col.LocalToWorld(col.Bound[(index + 1) % col.Bound.Count]).value;
Vector3 pos = start + (end - start) * percentage;
//添加节点
if (mShiftDown && !mAlt)
{
Handles.color = Color.green;
Handles.CircleHandleCap(0, pos, Quaternion.Euler(90, 0, 0), 0.5f, EventType.Repaint);
if (mRightMouseDown)
{
CustomVector3 mCustomPos = CustomVector3.GetCustomVector3ByVector3(pos);
mCustomPos = col.WorldToLocal(mCustomPos);
if (index + 1 < col.Bound.Count)
{
col.Bound.Insert((index + 1), mCustomPos);
}
else
{
col.Bound.Add(mCustomPos);
}
}
}
}
//移除节点
if (!mShiftDown && mAlt)
{
index = -1;
length = 0;
for (int i = 0; i < col.Bound.Count; i++)
{
bool first = index == -1;
Vector3 viewPos = camera.WorldToScreenPoint(col.LocalToWorld(col.Bound[i]).value);
float len = Vector3.Distance(viewPos, mousePos);
bool replace = len < length;
index = first ? i : replace ? i : index;
length = first ? len : replace ? len : length;
}
if (index != -1)
{
Handles.color = Color.red;
Vector3 pos = col.LocalToWorld(col.Bound[index]).value;
Handles.CircleHandleCap(0, pos, Quaternion.Euler(90, 0, 0), 0.5f, EventType.Repaint);
if (mRightMouseDown)
{
if (col.Bound.Count > 3)
{
col.Bound.RemoveAt(index);
}
else
{
Debug.Log("多变形顶点数目不能小于3个");
}
}
}
}
//节点拖拽并且限制节点
for (int i = 0; i < col.Bound.Count; i++)
{
CustomVector3 customPos = CustomVector3.GetCustomVector3ByVector3(Handles.PositionHandle(col.LocalToWorld(col.Bound[i]).value, Quaternion.identity));
customPos = col.WorldToLocal(customPos);
customPos.y = new FixedPointF(0);
col.Bound[i] = customPos;
}
}