public bool CollideWith(Cuboid other)
{
//return !(Max.X < other.Position.X || Max.Y < other.Position.Y || Max.Z < other.Position.Z ||
// Position.X > other.Max.X || Position.Y > other.Max.Y || Position.Z > other.Max.Z);
var min1 = Min + Position;
var min2 = other.Min + other.Position;
var max1 = Max + Position;
var max2 = other.Max + other.Position;
return ((min1.X <= min2.X && min2.X <= max1.X) || (min2.X <= min1.X && min1.X <= max2.X)) &&
((min1.Y <= min2.Y && min2.Y <= max1.Y) || (min2.Y <= min1.Y && min1.Y <= max2.Y)) &&
((min1.Z <= min2.Z && min2.Z <= max1.Z) || (min2.Z <= min1.Z && min1.Z <= max2.Z));
// if (
//((min_x1 <= min_x2 && min_x2 <= max_x1) || (min_x2 <= min_x1 && min_x1 <= max_x2)) &&
//((min_y1 <= min_y2 && min_y2 <= max_y1) || (min_y2 <= min_y1 && min_y1 <= max_y2)) &&
//((min_z1 <= min_z2 && min_z2 <= max_z1) || (min_z2 <= min_z1 && min_z1 <= max_z2))
//)
}
// from: http://www.opentk.com/node/869
public Vector2 MinimumTranslation2D(Cuboid other)
{
Vector3 amin = this.Min;
Vector3 amax = this.Max;
Vector3 bmin = other.Min;
Vector3 bmax = other.Max;
Vector2 mtd = new Vector2();
float left = (bmin.X - amax.X);
float right = (bmax.X - amin.X);
float top = (bmin.Y - amax.Y);
float bottom = (bmax.Y - amin.Y);
// box dont intersect
if (left > 0 || right < 0) return Vector2.Zero;
if (top > 0 || bottom < 0) return Vector2.Zero;
// box intersect. work out the mtd on both x and y axes.
if (Math.Abs(left) < right)
mtd.X = left;
else
mtd.X = right;
if (Math.Abs(top) < bottom)
mtd.Y = top;
else
mtd.Y = bottom;
// 0 the axis with the largest mtd value.
if (Math.Abs(mtd.X) < Math.Abs(mtd.Y))
mtd.Y = 0;
else
mtd.X = 0;
return mtd;
}
