//计算虚拟相机区域
private void CalcCMArea(DragCameraCom dragCameraCom, MapArea mapArea)
{
PolygonCollider2D collider2D = mapArea.GetCameraCollider();
Vector2[] points = collider2D.GetPoints();
Vector2 areaMin = points[0];
Vector2 areaMax = points[0];
for (int i = 1; i < points.Length; i++)
{
Vector2 tPoint = points[i];
if (tPoint.x <= areaMin.x)
{
areaMin.x = tPoint.x;
}
if (tPoint.x >= areaMax.x)
{
areaMax.x = tPoint.x;
}
if (tPoint.y <= areaMin.y)
{
areaMin.y = tPoint.y;
}
if (tPoint.y >= areaMax.y)
{
areaMax.y = tPoint.y;
}
}
dragCameraCom.CMArea.AABBMin = areaMin;
dragCameraCom.CMArea.AABBMax = areaMax;
}
