tiny.geometry.Obb

1/// A box rotated by `axes`, whose columns are orthonormal, around `center`.2pub const Obb = struct {3    center: Vec3,4    axes: Mat3 = .{},5    half_extents: Vec3,67    /// `p` in the box frame, where the box is the axis-aligned8    /// `[-half_extents, half_extents]`.9    pub fn toLocal(box: Obb, p: Vec3) Vec3 {10        const d = p.sub(box.center);11        return .{ .x = d.dot(box.axes.cols[0]), .y = d.dot(box.axes.cols[1]), .z = d.dot(box.axes.cols[2]) };12    }1314    pub fn fromLocal(box: Obb, p: Vec3) Vec3 {15        return box.center.add(box.axes.mulVec(p));16    }17};

1pub const Obb = primitive.Obb;