Immersive Gesture Interfaces for Navigation of 3D Maps in HMD-Based Mobile Virtual Environments

Algorithm 2

Rotation interface.

R: right

L: left

H: hand

Rot: rotation

c: current

Ho: horizontal line

Ver: vertical line

(1) if (LH == Fist and | LH.y–LSh.y | < 0.1f)

(2)  RH.vector = RH.(x, y, 0);

(3)  if Rotation

(4)   add.Rot = RH.vector–cRH.vector;

(5)   RotHV (add.Rot.x ∗ 100, add.Rot.y ∗ 100);

(6)  else Rotation = true;

(7)  cRH = RH;

(8) else Rotation = false;

(9)  RotHV (Ho, Ver)

(10)   cRotH += Ho;

(11)   cRotV += Ver;

(12)   Rot.(cRotV, 0, 0);

(13)   Rot.(0, −cRotH, 0);