public bool InThere(UIElement script, UserEvent user, Vector2 dot)
{
Vector3 os = Vector3.zero;
float px = script.Pivot.x;
os.x = (0.5f - px) * script.m_sizeDelta.x;
float py = script.Pivot.y;
os.y = (0.5f - py) * script.m_sizeDelta.y;
var q = user.GlobalRotation;
var o = user.GlobalPosition;
Vector3 scale = user.GlobalScale;
float w = Radius;
if (w == 0)
{
w = script.m_sizeDelta.x;
if (w > script.m_sizeDelta.y)
{
w = script.m_sizeDelta.y;
}
w *= 0.5f;
w *= Ratio;
}
if (scale.x != scale.y)
{
float h = w * scale.y;
w = w * scale.x;
float rx = w;
float lx = -rx;
lx += os.x;
rx += os.x;
float ty = h;
float dy = -ty;
ty += os.y;
dy += os.y;
dot.x -= o.x;
dot.y -= o.y;
if (scale.x > scale.y)
{
Vector2 a = new Vector2(lx, os.y);
a = q * a;
Vector2 b = new Vector2(os.x, ty);
b = q * b;
Vector2 c = new Vector2(rx, os.y);
c = q * c;
if (InArc(ref a, ref b, ref c, ref dot))
{
return(true);
}
b.x = os.x;
b.y = dy;
b = q * b;
return(InArc(ref a, ref b, ref c, ref dot));
}
else
{
Vector2 a = new Vector2(os.x, ty);
a = q * a;
Vector2 b = new Vector2(rx, os.y);
b = q * b;
Vector2 c = new Vector2(os.x, dy);
c = q * c;
if (InArc(ref a, ref b, ref c, ref dot))
{
return(true);
}
b.x = lx;
b.y = os.y;
b = q * b;
return(InArc(ref a, ref b, ref c, ref dot));
}
}
else
{
os = q * os;
w *= scale.x;
float x = dot.x - o.x - os.x;
float y = dot.y - o.y - os.y;
if (x * x + y * y < w * w)
{
return(true);
}
}
return(false);
}
/// <summary>
/// 该用户事件是否存在焦点
/// </summary>
/// <param name="eve">用户事件实例</param>
/// <returns></returns>
public bool ExistFocus(UserEvent eve)
{
return(MultiFocus.Contains(eve));
}
static void DuringSlide(UserEvent back)
{
if (back.mVelocity.x == 0 & back.mVelocity.y == 0)
{
return;
}
back.xTime += UserAction.TimeSlice;
back.yTime += UserAction.TimeSlice;
float x = 0, y = 0;
bool endx = false, endy = false;
if (back.mVelocity.x != 0)
{
float t = (float)MathH.PowDistance(back.DecayRateX, back.maxVelocity.x, back.xTime);
x = t - back.lastX;
back.lastX = t;
float vx = Mathf.Pow(back.DecayRateX, back.xTime) * back.maxVelocity.x;
if (vx <0.001f& vx> -0.001f)
{
back.mVelocity.x = 0;
endx = true;
}
else
{
back.mVelocity.x = vx;
}
}
if (back.mVelocity.y != 0)
{
float t = (float)MathH.PowDistance(back.DecayRateY, back.maxVelocity.y, back.yTime);
y = t - back.lastY;
back.lastY = t;
float vy = Mathf.Pow(back.DecayRateY, back.yTime) * back.maxVelocity.y;
if (vy <0.001f& vy> -0.001f)
{
back.mVelocity.y = 0;
endy = true;
}
else
{
back.mVelocity.y = vy;
}
}
if (back.Scrolling != null)
{
back.Scrolling(back, new Vector2(x, y));
}
if (endx)
{
if (back.ScrollEndX != null)
{
back.ScrollEndX(back);
}
}
if (endy)
{
if (back.ScrollEndY != null)
{
back.ScrollEndY(back);
}
}
}
