// 직선이 드래그 영역에 포함되는지 확인.
public static bool CheckLineIncluded(GraphLine.LinePoint linePoint, DragInfo dragInfo)
{
if (linePoint.start.x > dragInfo.topLeft.x && linePoint.start.x < dragInfo.topLeft.x + dragInfo.width &&
linePoint.end.x > dragInfo.topLeft.x && linePoint.end.x < dragInfo.topLeft.x + dragInfo.width &&
linePoint.start.y < dragInfo.topLeft.y && linePoint.start.y > dragInfo.topLeft.y - dragInfo.height &&
linePoint.end.y < dragInfo.topLeft.y && linePoint.end.y > dragInfo.topLeft.y - dragInfo.height)
{
return(true);
}
return(false);
}
// 드래그로 라인 선택하기.
public void SetLineSelectedWithDragArea(DragInfo dragInfo)
{
if (locatedLineList.Count == 0)
{
return;
}
for (int ix = 0; ix < locatedLineList.Count; ++ix)
{
// 라인 정보 구하기.
GraphLine.LinePoint linePoint = locatedLineList[ix].GetLinePoint;
// 드래그 영역의 4개의 점 구하기.
Vector2 topLeft = dragInfo.topLeft;
Vector2 topRight = new Vector2(dragInfo.topLeft.x + dragInfo.width, dragInfo.topLeft.y);
Vector2 lowerLeft = new Vector2(dragInfo.topLeft.x, dragInfo.topLeft.y - dragInfo.height);
Vector2 lowerRight = new Vector2(dragInfo.topLeft.x + dragInfo.width, dragInfo.topLeft.y - dragInfo.height);
// 충돌 여부 확인.
bool top = Util.CheckLineIntersect(linePoint.start, linePoint.end, topLeft, topRight);
bool left = Util.CheckLineIntersect(linePoint.start, linePoint.end, topLeft, lowerLeft);
bool right = Util.CheckLineIntersect(linePoint.start, linePoint.end, topRight, lowerRight);
bool bottom = Util.CheckLineIntersect(linePoint.start, linePoint.end, lowerLeft, lowerRight);
// 라인이 드래그 영역에 포함되는지 여부 확인.
bool isIncluded = Util.CheckLineIncluded(linePoint, dragInfo);
// 충돌.
if (top || left || right || bottom || isIncluded)
{
SetLineSelectionByDrag(locatedLineList[ix]);
continue;
}
else
{
SetLineUnSelected(locatedLineList[ix]);
}
}
}
protected virtual void Awake()
{
dragItem = GetComponentInParent <DragItem>();
refRectTransform = GetComponent <RectTransform>();
linePoint = new GraphLine.LinePoint(Vector2.zero, Vector2.zero);
}
