Beispiel #1
0
        /// <summary>
        /// 判断点point是否在矩形内
        /// </summary>
        public static bool IsPointInRectangle(Vector3 point, Vector3 rectA, Vector3 rectC, Vector3 rectB, Vector3 rectD)
        {
            Vector3 vector = rectC - rectA;
            float   size   = -(vector.magnitude / 2f);

            vector = Math3d.AddVectorLength(vector, size);
            Vector3 linePoint = rectA + vector;
            Vector3 vector2   = rectB - rectA;
            float   num       = vector2.magnitude / 2f;
            Vector3 vector3   = rectD - rectA;
            float   num2      = vector3.magnitude / 2f;
            Vector3 a         = Math3d.ProjectPointOnLine(linePoint, vector2.normalized, point);
            float   magnitude = (a - point).magnitude;

            a = Math3d.ProjectPointOnLine(linePoint, vector3.normalized, point);
            float magnitude2 = (a - point).magnitude;

            return(magnitude2 <= num && magnitude <= num2);
        }