void Update()
{
// 点击鼠标左键取得、移动、旋转、翻转七巧板
if (Input.GetMouseButtonDown(0))
{
// 将屏幕坐标转换成世界坐标
v3 = Camera.main.ScreenToWorldPoint(Input.mousePosition);
// 将三维坐标转换成二维坐标
v2 = new Vector2(v3.x, v3.y);
// 发射射线
hit = Physics2D.Raycast(v2, Vector2.zero);
if (hit.collider != null && hit.collider.tag.Equals("Tangram"))
{
TangramUI.StartGame();
isMouseDownL = true;
// 获得碰撞物体名字
hitName = hit.collider.gameObject.name;
// 如果点击的是旋转精灵，则翻转6号七巧板
if (hitName.Equals(tn [0]))
{
Vector3 tempScale = tg [6].transform.localScale;
tempScale.x *= -1;
tg [6].transform.localScale = tempScale;
TangramAA.TangramRefreshPoint(hit.collider.gameObject);
// tg [6].transform.Rotate (180, 0, 0);
rotateCount += 2;
TangramUI.RotateCount(rotateCount);
}
else
{
// 如果点击一个七巧板后直接点击另一个七巧板，则初始化上个七巧板，并渲染当前七巧板
if (isSpriteDown && hitNameOld != hitName)
{
InitialTangramBack(hitNameOld);
}
isSpriteDown = true;
isClick = true;
mouseDownTime = Time.time;
hitNameOld = hitName;
RenderTangram(hitName);
}
}
else
{
// 如果点击空白区域，初始化七巧板
isMouseDownL = false;
isClick = false;
if (isSpriteDown)
{
InitialTangramBack(hitName);
InitialTangramBack(hitNameOld);
isSpriteDown = false;
hitNameOld = hitName;
}
}
}
// 当按下并移动鼠标时同步移动七巧板
if (isMouseDownL && isSpriteDown)
{
if (lastMousePosition != Vector3.zero)
{
Vector3 offset = Camera.main.ScreenToWorldPoint(Input.mousePosition) - lastMousePosition;
if (offset != Vector3.zero)
{
isMove = true;
hit.transform.position = hit.transform.position + offset;
ScaleTangramChange(hit.collider.gameObject, IsInMakeArea(hit.collider.gameObject));
}
}
lastMousePosition = Camera.main.ScreenToWorldPoint(Input.mousePosition);
}
// 单击鼠标右键初始化其他七巧板，若有翻转则弹出翻转精灵
if (Input.GetMouseButtonDown(1))
{
v3 = Camera.main.ScreenToWorldPoint(Input.mousePosition);
v2 = new Vector2(v3.x, v3.y);
hit = Physics2D.Raycast(v2, Vector2.zero);
if (isMouseDownR)
{
tg [0].transform.position = gamedata.tangramPosition [0];
isMouseDownR = false;
}
if (isSpriteDown && hitNameOld != null)
{
InitialTangramBack(hitNameOld);
isSpriteDown = false;
}
if (hit.collider != null && IsInMakeArea(hit.collider.gameObject) && hit.collider.tag.Equals("Tangram"))
{
isMouseDownR = true;
isSpriteDown = true;
hitName = hit.collider.gameObject.name;
if (hitName.Equals(tn [6]))
{
RenderTangram(hitName);
tg [0].transform.position = new Vector3(hit.transform.position.x, hit.transform.position.y, 0);
hitNameOld = hitName;
}
}
}
// 松开鼠标左键时判断七巧版状态并执行相应操作
if (Input.GetMouseButtonUp(0))
{
isMouseDownL = false;
lastMousePosition = Vector3.zero;
// 判断七巧板的位置，决定是否将其移回，移回后刷新特征点
if (isSpriteDown && !IsInMakeArea(hit.collider.gameObject))
{
MoveTangramBack(hit.collider.gameObject);
TangramAA.TangramRefreshPoint(hit.collider.gameObject);
}
// 判断是否移动过，决定移动次数和自动调整
if (isMove)
{
moveCount++;
TangramUI.MoveCount(moveCount);
soundPlay.PlayMoveSound();
isMove = false;
// 如果对七巧板进行过操作，则自动调整七巧板位置
if ((PlayerPrefs.GetInt("isAutomaticAdjustment", 1) == 1) && isSpriteDown && IsInMakeArea(hit.collider.gameObject))
{
TangramAA.TangramRefreshPoint(hit.collider.gameObject);
TangramAA.TangramAutAdj(hit.collider.gameObject);
}
}
else
{
// 每完成一次翻转或点击其他地方时初始化旋转精灵坐标
tg [0].transform.position = gamedata.tangramPosition [0];
// 如果是有效单击（响应时间内的单击）七巧板则旋转七巧板
if (isSpriteDown && isClick && IsInMakeArea(hit.collider.gameObject) && !hitName.Equals(tn [0]))
{
clickTime = Time.time - mouseDownTime;
if (clickTime < 0.3f)
{
hit.transform.Rotate(0, 0, -45);
rotateCount++;
TangramUI.RotateCount(rotateCount);
soundPlay.PlayMoveSound();
isClick = false;
// 旋转后不调整位置，但刷新特征点
if ((PlayerPrefs.GetInt("isAutomaticAdjustment", 1) == 1) && isSpriteDown && IsInMakeArea(hit.collider.gameObject))
{
TangramAA.TangramRefreshPoint(hit.collider.gameObject);
}
}
}
}
}
if (Input.GetMouseButtonUp(1))
{
lastMousePosition = Vector3.zero;
isClick = false;
}
}