예제 #1
0
파일: Quad.cs 프로젝트: koreldan/SpaceW
    public Bounds GetBoundFromPoints(Vector3d[] points, out Vector3d max, out Vector3d min)
    {
        var center = points.Aggregate(Vector3d.zero, (current, t) => current + t) / 8;

        min = new Vector3d(double.MaxValue, double.MaxValue, double.MaxValue);
        max = new Vector3d(double.MinValue, double.MinValue, double.MinValue);

        for (int i = 0; i < points.Length; i++)
        {
            var p = points[i];

            p = RotationMatrix.MultiplyVector(p);

            if (p.x < min.x)
            {
                min.x = p.x;
            }
            if (p.y < min.y)
            {
                min.y = p.y;
            }
            if (p.z < min.z)
            {
                min.z = p.z;
            }

            if (p.x > max.x)
            {
                max.x = p.x;
            }
            if (p.y > max.y)
            {
                max.y = p.y;
            }
            if (p.z > max.z)
            {
                max.z = p.z;
            }
        }

        var size = max - min;

        return(new Bounds(center, size));
    }
        public float GetBoxSizeAlongNormalizedDirection(Vector3 direction)
        {
            Vector3 transformedBoxSizeVector = RotationMatrix.MultiplyVector(_boxSize);

            return(direction.GetAbsDot(transformedBoxSizeVector));
        }