您最多选择25个主题 主题必须以中文或者字母或数字开头,可以包含连字符 (-),并且长度不得超过35个字符
 
 
 
 
 
 

52 行
1.9 KiB

using System;
using Unity.UIWidgets.foundation;
using Unity.UIWidgets.ui;
using UnityEngine;
namespace Unity.UIWidgets.painting {
public static class Geometry {
public static Offset positionDependentBox(
Size size = null,
Size childSize = null,
Offset target = null,
bool? preferBelow = null,
float verticalOffset = 0.0f,
float margin = 10.0f) {
D.assert(size != null);
D.assert(childSize != null);
D.assert(target != null);
D.assert(preferBelow != null);
bool fitsBelow = target.dy + verticalOffset + childSize.height <= size.height - margin;
bool fitsAbove = target.dy - verticalOffset - childSize.height >= margin;
bool tooltipBelow = (preferBelow ?? true) ? (fitsBelow || !fitsAbove) : !(fitsAbove || !fitsBelow);
float y;
if (tooltipBelow) {
y = Mathf.Min(target.dy + verticalOffset, size.height - margin);
}
else {
y = Mathf.Max(target.dy - verticalOffset - childSize.height, margin);
}
float x;
if (size.width - margin * 2.0 < childSize.width) {
x = (size.width - childSize.width) / 2.0f;
}
else {
float normalizedTargetX = target.dx.clamp(margin, size.width - margin);
float edge = margin + childSize.width / 2.0f;
if (normalizedTargetX < edge) {
x = margin;
}
else if (normalizedTargetX > size.width - edge) {
x = size.width - margin - childSize.width;
}
else {
x = normalizedTargetX - childSize.width / 2.0f;
}
}
return new Offset(x, y);
}
}
}