private void _GenerateItems(int lastItemGeneratedSectionIndex)
{
int currentItemSectionIndex = Mathf.FloorToInt(_runMiles / ITEM_SECTION_DISTANCE);
if (currentItemSectionIndex >= lastItemGeneratedSectionIndex - ITEM_SECTION_DIFF)
{
for (int i = lastItemGeneratedSectionIndex + 1; i <= currentItemSectionIndex + ITEM_SECTION_DIFF; ++i)
{
var itemIndex = _SelectItemGeneratedIndex(_items.Select(item => item.GeneratedProbability).Concat(new float[] { EMPTY_PROBABILITY }).ToArray());
if (itemIndex >= _items.Length)
{
continue;
}
var generatedItem = _items[itemIndex];
Rect itemRange = RectExtension.ToRect(new Vector2(0, i * ITEM_SECTION_DISTANCE), new Vector2(10, 12));
var itemInstance = new ItemInstance
{
Data = generatedItem,
Position = new Vector2(Random.Range(itemRange.xMin, itemRange.xMax), Random.Range(itemRange.yMin, itemRange.yMax)),
IsUsed = false,
};
_itemInstances.Add(itemInstance);
_lastItemGeneratedSectionIndex = i;
}
}
}
private void _TouchItems(Vector2 characterPosition, float characterSize, IEnumerable <ItemInstance> itemInstances)
{
var characterSizeVector = new Vector2(characterSize, characterSize);
Rect characterRect = RectExtension.ToRect(characterPosition, characterSizeVector);
foreach (var item in itemInstances)
{
if (item.IsUsed)
{
continue;
}
Rect itemRect = RectExtension.ToRect(item.Position, item.Data.Size);
if (itemRect.Overlaps(characterRect))
{
item.Data.GetEffect(this);
item.IsUsed = true;
}
}
}