1

我在这里将值放入结构中：

[self createEntityWithX:20 andY:20 withType:0 withWidth:20 andLength:20 atSpeed:5];
...
...
-(void)createEntityWithX:(int)newEntityX andY:(int)newEntityY withType:(int)newEntityType withWidth:(int)newEntityWidth andLength:(int)newEntityLength atSpeed:(int)newEntitySpeed
{
  Entity tmpEntity;
  tmpEntity.entityX = newEntityX;
  tmpEntity.entityY = newEntityY;
  tmpEntity.entityLength = newEntityLength;
  tmpEntity.entityWidth = newEntityWidth;
  tmpEntity.entityType = newEntityType;
  tmpEntity.entitySpeed = newEntitySpeed;

  NSValue *tmp = [NSValue valueWithBytes:&tmpEntity objCType:@encode(struct Entity)];

  [entityArray addObject:tmp];
}


-(Entity)retreiveEntityFromValue:(NSValue *)value
{
  Entity entity1;
  [value getValue:&entity1];
  return entity1;
}

当我取回数据时，数据正在被加扰？我创建了实体：X:20 Y:20 Width:20 并返回 x:1712736 Y:0 Width:0? X 是完全随机的，但其余的保持为 0

我哪里出错了？

4

1 回答 1

1

尝试使用浮点数（1）而不是使用整数，或者您可以将数据作为点（2）传递。

1)http://www.techotopia.com/index.php/Objective-C_2.0_Data_Types#float_Data_Type 2)http://mobiledevelopertips.com/c/cgrect-cgsize-and-cgpoint.html

于 2012-05-05T21:23:01.103 回答