//实现通过移动控制点来更新曲线的形状
public void UpdateLine(GameObject anchorPoint, Vector3 offsetPos1, Vector3 offsetPos2)
{
if (anchorPoint == null)
{
return;
}
if (anchorPoint.tag.Equals("AnchorPoint"))
{
CurvePointControl curvePoint = anchorPoint.GetComponent <CurvePointControl>();
//分别计算2个控制点的偏移量
if (curvePoint)
{
if (curvePoint.m_controlObject)
{
curvePoint.m_controlObject.transform.position = anchorPoint.transform.position + offsetPos1;
}
if (curvePoint.m_controlObject2)
{
curvePoint.m_controlObject2.transform.position = anchorPoint.transform.position + offsetPos2;
}
}
}
//重新绘制曲线
DrawCurve();
}
public void DeletePoint(GameObject anchorPoint)
{
if (anchorPoint == null)
{
return;
}
CurvePointControl curvePoint = anchorPoint.GetComponent <CurvePointControl>();
//是锚点
if (curvePoint && anchorPoint.tag.Equals("AnchorPoint"))
{
//删去控制点1
if (curvePoint.m_controlObject)
{
m_allPoints.Remove(curvePoint.m_controlObject.transform);
Destroy(curvePoint.m_controlObject);
}
//删去控制点2
if (curvePoint.m_controlObject2)
{
m_allPoints.Remove(curvePoint.m_controlObject2.transform);
Destroy(curvePoint.m_controlObject2);
}
if (m_allPoints.IndexOf(curvePoint.transform) == (m_allPoints.Count - 1))
{//先判断删除的是最后一个元素再移除
m_allPoints.Remove(curvePoint.transform);
Transform lastPoint = m_allPoints[m_allPoints.Count - 2];
GameObject lastPointCtrObject = lastPoint.GetComponent <CurvePointControl>().m_controlObject2;
if (lastPointCtrObject)
{
m_allPoints.Remove(lastPointCtrObject.transform);
Destroy(lastPointCtrObject);
lastPoint.GetComponent <CurvePointControl>().m_controlObject2 = null;
}
}
else
{
m_allPoints.Remove(curvePoint.transform);
}
Destroy(anchorPoint);
if (m_allPoints.Count == 1)
{
m_lineRenderer.positionCount = 0;
}
}
//重新绘制曲线
DrawCurve();
}
