| static private XIntersectsCircle ( float x1, float x2, float zpos, Vector3 circle, float radius ) : bool | ||
| x1 | float | |
| x2 | float | |
| zpos | float | |
| circle | Vector3 | |
| radius | float | |
| return | bool | |
static bool XIntersectsCircle (float x1, float x2, float zpos, Vector3 circle, float radius) {
double f = Math.Abs(zpos-circle.z)/radius;
if (f > 1.0 || f < -1.0) {
return false;
}
float s1 = (float)Math.Sqrt(1.0 - f*f)*radius;
float s2 = circle.x - s1;
s1 += circle.x;
float min = Math.Min(s1, s2);
float max = Math.Max(s1, s2);
min = Mathf.Max(x1, min);
max = Mathf.Min(x2, max);
return max > min;
}
private static bool RectIntersectsCircle(Rect r, Vector3 p, float radius)
{
return(float.IsPositiveInfinity(radius) || RecastBBTree.RectContains(r, p) || RecastBBTree.XIntersectsCircle(r.xMin, r.xMax, r.yMin, p, radius) || RecastBBTree.XIntersectsCircle(r.xMin, r.xMax, r.yMax, p, radius) || RecastBBTree.ZIntersectsCircle(r.yMin, r.yMax, r.xMin, p, radius) || RecastBBTree.ZIntersectsCircle(r.yMin, r.yMax, r.xMax, p, radius));
}