/// <summary>
/// 根据旋转计算新的包围盒大小 与 点的位置
/// </summary>
public void ResetSize()
{
left = GetPoint(0).x;
right = GetPoint(0).x;
up = GetPoint(0).y;
down = GetPoint(0).y;
for (int i = 0; i < _points.Length; i++)
{
var point = GetPoint(i);
if (point.x < left)
{
left = point.x;
}
if (point.x > right)
{
right = point.x;
}
if (point.y < down)
{
down = point.y;
}
if (point.y > up)
{
up = point.y;
}
}
width = Fixed.Max(Fixed.Abs(left), Fixed.Abs(right)) * 2;
height = Fixed.Max(Fixed.Abs(up), Fixed.Abs(down)) * 2;
}
public static bool BoxCheck(ShapBase objA, ShapBase objB)
{
if (Fixed.Abs((objA.position.x - objB.position.x)) < (objA.width + objB.width) / 2
&&
Fixed.Abs((objA.position.y - objB.position.y)) < (objA.height + objB.height) / 2
)
{
return(true);
}
return(false);
}
public static Fixed Abs(Fixed ratio)
{
return(Fixed.Abs(ratio));
}
public Fixed Abs()
{
return(Fixed.Abs(this));
}