public static int smethod_1(PointF center, float radius, Class477.Struct48 line, out PointF intersection1, out PointF intersection2)
{
float num = line.pointF_1.X - line.pointF_0.X;
float num2 = line.pointF_1.Y - line.pointF_0.Y;
float num3 = num * num + num2 * num2;
float num4 = 2f * (num * (line.pointF_0.X - center.X) + num2 * (line.pointF_0.Y - center.Y));
float num5 = (line.pointF_0.X - center.X) * (line.pointF_0.X - center.X) + (line.pointF_0.Y - center.Y) * (line.pointF_0.Y - center.Y) - radius * radius;
float num6 = num4 * num4 - 4f * num3 * num5;
if ((double)num3 <= 1E-07 || num6 < 0f)
{
intersection1 = new PointF(float.NaN, float.NaN);
intersection2 = new PointF(float.NaN, float.NaN);
return(0);
}
float num7;
if (num6 == 0f)
{
num7 = -num4 / (2f * num3);
intersection1 = new PointF(line.pointF_0.X + num7 * num, line.pointF_0.Y + num7 * num2);
intersection2 = new PointF(float.NaN, float.NaN);
return(1);
}
num7 = (float)(((double)(-(double)num4) + Math.Sqrt((double)num6)) / (double)(2f * num3));
intersection1 = new PointF(line.pointF_0.X + num7 * num, line.pointF_0.Y + num7 * num2);
num7 = (float)(((double)(-(double)num4) - Math.Sqrt((double)num6)) / (double)(2f * num3));
intersection2 = new PointF(line.pointF_0.X + num7 * num, line.pointF_0.Y + num7 * num2);
return(2);
}
// Token: 0x06002AA8 RID: 10920 RVA: 0x000A4A28 File Offset: 0x000A2C28
public static float?smethod_2(PointF p, RectangleF rec)
{
PointF end = rec.smethod_7();
Class477.Struct48 ab = new Class477.Struct48(p, end);
PointF? pointF = null;
if (p.Y <= rec.Top)
{
pointF = Class477.smethod_3(ab, rec);
if (pointF == null)
{
if (p.X < rec.Left)
{
pointF = Class477.smethod_4(ab, rec);
}
else
{
pointF = Class477.smethod_5(ab, rec);
}
}
}
else if (p.Y >= rec.Bottom)
{
pointF = Class477.smethod_6(ab, rec);
if (pointF == null)
{
if (p.X < rec.Left)
{
pointF = Class477.smethod_4(ab, rec);
}
else
{
pointF = Class477.smethod_5(ab, rec);
}
}
}
else if (p.X <= rec.Left)
{
pointF = Class477.smethod_4(ab, rec);
}
else
{
if (p.X < rec.Right)
{
return(null);
}
pointF = Class477.smethod_5(ab, rec);
}
if (pointF == null)
{
return(null);
}
return(new float?(Class477.smethod_9(p, pointF.Value)));
}
public static PointF?smethod_7(Class477.Struct48 AB, Class477.Struct48 CD)
{
double num = (double)(AB.pointF_0.Y - CD.pointF_0.Y);
double num2 = (double)(CD.pointF_1.X - CD.pointF_0.X);
double num3 = (double)(AB.pointF_0.X - CD.pointF_0.X);
double num4 = (double)(CD.pointF_1.Y - CD.pointF_0.Y);
double num5 = (double)(AB.pointF_1.X - AB.pointF_0.X);
double num6 = (double)(AB.pointF_1.Y - AB.pointF_0.Y);
double num7 = num5 * num4 - num6 * num2;
double num8 = num * num2 - num3 * num4;
if (num7 == 0.0)
{
if (num8 != 0.0)
{
return(null);
}
if (AB.pointF_0.X >= CD.pointF_0.X && AB.pointF_0.X <= CD.pointF_1.X)
{
return(new PointF?(AB.pointF_0));
}
if (CD.pointF_0.X >= AB.pointF_0.X && CD.pointF_0.X <= AB.pointF_1.X)
{
return(new PointF?(CD.pointF_0));
}
return(null);
}
else
{
double num9 = num8 / num7;
if (num9 < 0.0 || num9 > 1.0)
{
return(null);
}
double num10 = (num * num5 - num3 * num6) / num7;
if (num10 >= 0.0 && num10 <= 1.0)
{
return(new PointF?(new PointF((float)((double)AB.pointF_0.X + num9 * num5), (float)((double)AB.pointF_0.Y + num9 * num6))));
}
return(null);
}
}
private static PointF?smethod_6(Class477.Struct48 AB, RectangleF rec)
{
return(Class477.smethod_7(AB, new Class477.Struct48(rec.smethod_12(), rec.smethod_13())));
}