protected override void ProcessEventInCanvas(CanvasContext canvasCtx)
{
base.ProcessEventInCanvas(canvasCtx);
if (m_mode == WayPointsEMode.None)
{
if (Event.current.type == EventType.MouseDown && Event.current.button == 0)
{
//双击边改变方向
var element = canvasCtx.TestPoint(canvasCtx.m_curLocalPosition);
if (element != null)
{
if (element is Edge && element == m_lastClickElement)
{
if (m_frameCount - m_lastClickFrame < 40)
{
m_lastClickFrame = m_frameCount;
(element as Edge).ChangeDir();
}
}
m_lastClickFrame = m_frameCount;
Debug.Log(m_lastClickFrame);
m_lastClickElement = element;
}
//添加点
if (Event.current.control)
{
m_wayPointsData.AddPoint(canvasCtx.m_curLocalPosition);
}
}
if (Event.current.type == EventType.MouseDown && Event.current.button == 1)
{
//在点上点击鼠标右键开始添加边
var element = canvasCtx.TestPoint(canvasCtx.m_curLocalPosition);
if (element != null && element is Point)
{
m_edgeStart = element as Point;
m_mode = WayPointsEMode.AddEdge;
}
}
//删除所选
if (Event.current.type == EventType.KeyDown && Event.current.keyCode == KeyCode.Delete)
{
TryDelete(canvasCtx);
}
}
else if (m_mode == WayPointsEMode.AddEdge)
{
var element = canvasCtx.TestPoint(canvasCtx.m_curLocalPosition);
bool canAddEdge = element != null && element is Point && element != m_edgeStart && !m_wayPointsData.ContainEdge(m_edgeStart, element as Point);
if (canAddEdge)
{
m_addEdgeColor = Color.green;
}
else
{
m_addEdgeColor = Color.red;
}
//松开鼠标右键添加边
if (Event.current.type == EventType.MouseUp && Event.current.button == 1)
{
if (canAddEdge)
{
m_wayPointsData.AddEdge(m_edgeStart as Point, element as Point);
}
m_mode = WayPointsEMode.None;
}
else if (Event.current.type == EventType.MouseDown && Event.current.button == 0)
{
//添加点自动连成边，并继续添加边
var node = m_wayPointsData.AddPoint(canvasCtx.m_curLocalPosition);
m_wayPointsData.AddEdge(m_edgeStart as Point, node);
m_edgeStart = node;
}
}
}
public void RemoveSelected(CanvasElementBase element)
{
m_selectedElements.Remove(element);
}
public void AddSelected(CanvasElementBase element)
{
m_selectedElements.Add(element);
}
public bool IsSelected(CanvasElementBase element)
{
return(m_selectedElements.Contains(element));
}
public void RemoveElement(CanvasElementBase element)
{
m_elements.Remove(element);
}
public void AddElement(CanvasElementBase element)
{
m_elements.Add(element);
}