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Make leapHands.js handle Leap-on-HMD setting changes

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This commit is contained in:
David Rowe 2014-10-01 16:05:19 -07:00
parent 84a3f6e8f4
commit 38b6d5dd5d
1 changed files with 24 additions and 13 deletions
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37
examples/leapHands.js
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@ -14,6 +14,7 @@
var leapHands = (function () { var leapHands = (function () {
var isOnHMD, var isOnHMD,
LEAP_ON_HMD_MENU_ITEM = "Leap Motion on HMD",
LEAP_OFFSET = 0.019, // Thickness of Leap Motion plus HMD clip LEAP_OFFSET = 0.019, // Thickness of Leap Motion plus HMD clip
HMD_OFFSET = 0.100, // Eyeballs to front surface of Oculus DK2 TODO: Confirm and make depend on device and eye relief HMD_OFFSET = 0.100, // Eyeballs to front surface of Oculus DK2 TODO: Confirm and make depend on device and eye relief
hands, hands,
@ -193,11 +194,33 @@ var leapHands = (function () {
return false; return false;
} }
function setIsOnHMD() {
isOnHMD = Menu.isOptionChecked(LEAP_ON_HMD_MENU_ITEM);
if (isOnHMD) {
print("Leap Motion: Is on HMD");
// Offset of Leap Motion origin from physical eye position
hands[0].zeroPosition = { x: 0.0, y: 0.0, z: HMD_OFFSET + LEAP_OFFSET };
hands[1].zeroPosition = { x: 0.0, y: 0.0, z: HMD_OFFSET + LEAP_OFFSET };
calibrationStatus = CALIBRATED;
} else {
print("Leap Motion: Is on desk");
calibrationStatus = UNCALIBRATED;
}
}
function checkSettings() { function checkSettings() {
// There is no "scale changed" event so we need check periodically.
if (!isOnHMD && calibrationStatus && MyAvatar.scale !== avatarScale) { if (!isOnHMD && calibrationStatus && MyAvatar.scale !== avatarScale) {
print("Leap Motion: Recalibrate because avatar scale changed"); print("Leap Motion: Recalibrate because avatar scale changed");
calibrationStatus = UNCALIBRATED; calibrationStatus = UNCALIBRATED;
} }
// There is a "menu changed" event but we may as well check here.
if (isOnHMD !== Menu.isOptionChecked(LEAP_ON_HMD_MENU_ITEM)) {
setIsOnHMD();
}
} }
function setUp() { function setUp() {
@ -278,19 +301,7 @@ var leapHands = (function () {
] ]
]; ];
isOnHMD = Menu.isOptionChecked("Leap Motion on HMD"); setIsOnHMD();
if (isOnHMD) {
print("Leap Motion is on HMD");
// Offset of Leap Motion origin from physical eye position
hands[0].zeroPosition = { x: 0.0, y: 0.0, z: HMD_OFFSET + LEAP_OFFSET };
hands[1].zeroPosition = { x: 0.0, y: 0.0, z: HMD_OFFSET + LEAP_OFFSET };
calibrationStatus = CALIBRATED;
} else {
print("Leap Motion is on desk");
calibrationStatus = UNCALIBRATED;
}
settingsTimer = Script.setInterval(checkSettings, 2000); settingsTimer = Script.setInterval(checkSettings, 2000);
} }