public void init(myUGUIObject background, myUGUIObject foreground, myUGUIObject thumb = null, SLIDER_MODE mode = SLIDER_MODE.FILL)
{
mName = "UGUISlider";
mMode = mode;
mBackground = background;
mForeground = foreground;
mThumb = thumb;
if (mThumb != null && mThumb.getParent() != mForeground)
{
logError("Foreground must be parent of Thumb");
return;
}
if (mMode == SLIDER_MODE.SIZING)
{
mOriginForegroundSize = mForeground.getWindowSize();
mOriginForegroundPosition = mForeground.getPosition();
if (mBackground == null)
{
logError("Background can not be null while slider mode is SIZING");
return;
}
if (mForeground.getParent() != mBackground)
{
logError("Background must be parent of Foreground");
return;
}
}
if (mBackground != null)
{
mBackground.setOnMouseDown(onMouseDown);
mBackground.setOnScreenMouseUp(onScreenMouseUp);
mBackground.setOnMouseMove(onMouseMove);
if (mBackground.getCollider() != null)
{
mScript.registeCollider(mBackground);
}
}
}
public void recalculateDragView <T>(List <T> itemList, Vector2 itemSize, float space, myUGUIObject dragViewParent, Vector2 viewportSize, int countPerLine = 0, float lineSpace = 0.0f, bool horiFirst = false) where T : IDragViewItem
{
// 计算拖拽窗口大小
int count = itemList.Count;
int widthCount = 0;
int heightCount = 0;
DRAG_DIRECTION dragDirection = mDragViewComponent.getDragDirection();
if (dragDirection == DRAG_DIRECTION.HORIZONTAL || dragDirection == DRAG_DIRECTION.FREE)
{
widthCount = countPerLine;
if (widthCount > 0)
{
heightCount = ceil((float)count / widthCount);
}
else
{
heightCount = 1;
widthCount = count;
}
}
else if (dragDirection == DRAG_DIRECTION.VERTICAL || dragDirection == DRAG_DIRECTION.FREE)
{
heightCount = countPerLine;
if (heightCount > 0)
{
widthCount = ceil((float)count / heightCount);
}
else
{
widthCount = 1;
heightCount = count;
}
}
Vector2 windowSize = getWindowSize();
if (dragDirection == DRAG_DIRECTION.HORIZONTAL || dragDirection == DRAG_DIRECTION.FREE)
{
windowSize.x = itemSize.x * widthCount + space * (widthCount - 1);
windowSize.y = itemSize.y * heightCount + lineSpace * (heightCount - 1);
}
else if (dragDirection == DRAG_DIRECTION.VERTICAL || dragDirection == DRAG_DIRECTION.FREE)
{
windowSize.x = itemSize.x * widthCount + lineSpace * (widthCount - 1);
windowSize.y = itemSize.y * heightCount + space * (heightCount - 1);
}
clampMin(ref windowSize.x);
clampMin(ref windowSize.y);
setWindowSize(windowSize);
// 设置所有子节点的位置
for (int i = 0; i < count; ++i)
{
Vector3 itemPos = itemList[i].getPosition();
if (dragDirection == DRAG_DIRECTION.HORIZONTAL || dragDirection == DRAG_DIRECTION.FREE)
{
// 排成多排
if (countPerLine > 0)
{
int horiIndex = horiFirst ? i % widthCount : i / heightCount;
int vertIndex = horiFirst ? i / widthCount : i % heightCount;
itemPos.x = (itemSize.x + space) * horiIndex + itemSize.x * 0.5f - windowSize.x * 0.5f;
itemPos.y = (itemSize.y + lineSpace) * (heightCount - vertIndex - 1) + itemSize.y * 0.5f - windowSize.y * 0.5f;
}
// 只排一排
else
{
itemPos.x = (itemSize.x + space) * i + itemSize.x * 0.5f - windowSize.x * 0.5f;
}
}
if (dragDirection == DRAG_DIRECTION.VERTICAL || dragDirection == DRAG_DIRECTION.FREE)
{
// 排成多列
if (countPerLine > 0)
{
int horiIndex = horiFirst ? i % widthCount : i / heightCount;
int vertIndex = horiFirst ? i / widthCount : i % heightCount;
itemPos.x = (itemSize.x + lineSpace) * (horiIndex - widthCount - 1) + itemSize.x * 0.5f - windowSize.x * 0.5f;
itemPos.y = (itemSize.y + space) * vertIndex + itemSize.y * 0.5f - windowSize.y * 0.5f;
}
// 排成一列
else
{
itemPos.y = (itemSize.y + space) * (count - i - 1) + itemSize.y * 0.5f - windowSize.y * 0.5f;
}
}
itemList[i].setPosition(itemPos);
}
// 重新计算拖拽窗口父节点的大小和位置,用于限定拖拽窗口的拖拽范围
Vector3 parentPos = dragViewParent.getPosition();
Vector2 parentSize = Vector2.zero;
autoAdjustParent(ref parentPos, ref parentSize, viewportSize);
dragViewParent.setWindowSize(parentSize);
FT.MOVE(dragViewParent, parentPos);
autoResetPosition();
}