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Process controller and script updates only when finger painting is on

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This commit is contained in:
David Rowe 2017-02-18 21:28:30 +13:00
parent 05c63e16ca
commit 71ba38afb0
1 changed files with 68 additions and 66 deletions
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134
scripts/system/fingerPaint.js
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@ -13,10 +13,10 @@
button, button,
BUTTON_NAME = "PAINT", BUTTON_NAME = "PAINT",
isFingerPainting = false, isFingerPainting = false,
leftHand, leftHand = null,
rightHand, rightHand = null,
leftBrush, leftBrush = null,
rightBrush, rightBrush = null,
CONTROLLER_MAPPING_NAME = "com.highfidelity.fingerPaint", CONTROLLER_MAPPING_NAME = "com.highfidelity.fingerPaint",
isTabletDisplayed = false, isTabletDisplayed = false,
HIFI_POINT_INDEX_MESSAGE_CHANNEL = "Hifi-Point-Index", HIFI_POINT_INDEX_MESSAGE_CHANNEL = "Hifi-Point-Index",
@ -186,7 +186,6 @@
function handController(name) { function handController(name) {
// Translates controller data into application events. // Translates controller data into application events.
var handName = name, var handName = name,
isEnabled = false,
triggerPressedCallback, triggerPressedCallback,
triggerPressingCallback, triggerPressingCallback,
@ -213,10 +212,6 @@
GRIP_OFF = 0.05, GRIP_OFF = 0.05,
GRIP_ON = 0.1; GRIP_ON = 0.1;
function setEnabled(enabled) {
isEnabled = enabled;
}
function onTriggerPress(value) { function onTriggerPress(value) {
// Controller values are only updated when they change so store latest for use in update. // Controller values are only updated when they change so store latest for use in update.
rawTriggerValue = value; rawTriggerValue = value;
@ -227,10 +222,6 @@
fingerTipPosition, fingerTipPosition,
lineWidth; lineWidth;
if (!isEnabled) {
return;
}
triggerValue = triggerValue * TRIGGER_SMOOTH_RATIO + rawTriggerValue * (1.0 - TRIGGER_SMOOTH_RATIO); triggerValue = triggerValue * TRIGGER_SMOOTH_RATIO + rawTriggerValue * (1.0 - TRIGGER_SMOOTH_RATIO);
wasTriggerPressed = isTriggerPressed; wasTriggerPressed = isTriggerPressed;
@ -267,10 +258,6 @@
function updateGripPress() { function updateGripPress() {
var fingerTipPosition; var fingerTipPosition;
if (!isEnabled) {
return;
}
gripValue = gripValue * GRIP_SMOOTH_RATIO + rawGripValue * (1.0 - GRIP_SMOOTH_RATIO); gripValue = gripValue * GRIP_SMOOTH_RATIO + rawGripValue * (1.0 - GRIP_SMOOTH_RATIO);
if (isGripPressed) { if (isGripPressed) {
@ -301,7 +288,6 @@
} }
return { return {
setEnabled: setEnabled,
onTriggerPress: onTriggerPress, onTriggerPress: onTriggerPress,
onGripPress: onGripPress, onGripPress: onGripPress,
onUpdate: onUpdate, onUpdate: onUpdate,
@ -327,21 +313,76 @@
}), true); }), true);
} }
function enableProcessing() {
// Connect controller API to handController objects.
leftHand = handController("left");
rightHand = handController("right");
var controllerMapping = Controller.newMapping(CONTROLLER_MAPPING_NAME);
controllerMapping.from(Controller.Standard.LT).to(leftHand.onTriggerPress);
controllerMapping.from(Controller.Standard.LeftGrip).to(leftHand.onGripPress);
controllerMapping.from(Controller.Standard.RT).to(rightHand.onTriggerPress);
controllerMapping.from(Controller.Standard.RightGrip).to(rightHand.onGripPress);
Controller.enableMapping(CONTROLLER_MAPPING_NAME);
// Connect handController outputs to paintBrush objects.
leftBrush = paintBrush("left");
leftHand.setUp(leftBrush.startLine, leftBrush.drawLine, leftBrush.finishLine, leftBrush.eraseClosestLine);
rightBrush = paintBrush("right");
rightHand.setUp(rightBrush.startLine, rightBrush.drawLine, rightBrush.finishLine, rightBrush.eraseClosestLine);
// Messages channels for enabling/disabling other scripts' functions.
Messages.subscribe(HIFI_POINT_INDEX_MESSAGE_CHANNEL);
Messages.subscribe(HIFI_GRAB_DISABLE_MESSAGE_CHANNEL);
Messages.subscribe(HIFI_POINTER_DISABLE_MESSAGE_CHANNEL);
// Update hand controls.
Script.update.connect(leftHand.onUpdate);
Script.update.connect(rightHand.onUpdate);
}
function disableProcessing() {
Script.update.disconnect(leftHand.onUpdate);
Script.update.disconnect(rightHand.onUpdate);
Controller.disableMapping(CONTROLLER_MAPPING_NAME);
leftBrush.tearDown();
leftBrush = null;
leftHand.tearDown();
leftHand = null;
rightBrush.tearDown();
rightBrush = null;
rightHand.tearDown();
rightHand = null;
Messages.unsubscribe(HIFI_POINT_INDEX_MESSAGE_CHANNEL);
Messages.unsubscribe(HIFI_GRAB_DISABLE_MESSAGE_CHANNEL);
Messages.unsubscribe(HIFI_POINTER_DISABLE_MESSAGE_CHANNEL);
}
function onButtonClicked() { function onButtonClicked() {
var wasFingerPainting = isFingerPainting; var wasFingerPainting = isFingerPainting;
isFingerPainting = !isFingerPainting; isFingerPainting = !isFingerPainting;
button.editProperties({ isActive: isFingerPainting }); button.editProperties({ isActive: isFingerPainting });
leftHand.setEnabled(isFingerPainting); print("Finger painting: " + isFingerPainting ? "on" : "off");
rightHand.setEnabled(isFingerPainting);
if (wasFingerPainting) { if (wasFingerPainting) {
leftBrush.cancelLine(); leftBrush.cancelLine();
rightBrush.cancelLine(); rightBrush.cancelLine();
} }
if (isFingerPainting) {
enableProcessing();
}
updateHandFunctions(); updateHandFunctions();
if (!isFingerPainting) {
disableProcessing();
}
} }
function onTabletScreenChanged(type, url) { function onTabletScreenChanged(type, url) {
@ -368,29 +409,6 @@
// Track whether tablet is displayed or not. // Track whether tablet is displayed or not.
tablet.screenChanged.connect(onTabletScreenChanged); tablet.screenChanged.connect(onTabletScreenChanged);
// Connect controller API to handController objects.
leftHand = handController("left");
rightHand = handController("right");
var controllerMapping = Controller.newMapping(CONTROLLER_MAPPING_NAME);
controllerMapping.from(Controller.Standard.LT).to(leftHand.onTriggerPress);
controllerMapping.from(Controller.Standard.LeftGrip).to(leftHand.onGripPress);
controllerMapping.from(Controller.Standard.RT).to(rightHand.onTriggerPress);
controllerMapping.from(Controller.Standard.RightGrip).to(rightHand.onGripPress);
Controller.enableMapping(CONTROLLER_MAPPING_NAME);
Script.update.connect(leftHand.onUpdate);
Script.update.connect(rightHand.onUpdate);
// Connect handController outputs to paintBrush objects.
leftBrush = paintBrush("left");
leftHand.setUp(leftBrush.startLine, leftBrush.drawLine, leftBrush.finishLine, leftBrush.eraseClosestLine);
rightBrush = paintBrush("right");
rightHand.setUp(rightBrush.startLine, rightBrush.drawLine, rightBrush.finishLine, rightBrush.eraseClosestLine);
// Messages channels for enabling/disabling other scripts' functions.
Messages.subscribe(HIFI_POINT_INDEX_MESSAGE_CHANNEL);
Messages.subscribe(HIFI_GRAB_DISABLE_MESSAGE_CHANNEL);
Messages.subscribe(HIFI_POINTER_DISABLE_MESSAGE_CHANNEL);
} }
function tearDown() { function tearDown() {
@ -398,32 +416,16 @@
return; return;
} }
Script.update.disconnect(leftHand.onUpdate); if (isFingerPainting) {
Script.update.disconnect(rightHand.onUpdate); isFingerPainting = false;
updateHandFunctions();
isFingerPainting = false; disableProcessing();
updateHandFunctions(); }
button.clicked.disconnect(onButtonClicked);
tablet.removeButton(button);
tablet.screenChanged.disconnect(onTabletScreenChanged); tablet.screenChanged.disconnect(onTabletScreenChanged);
Controller.disableMapping(CONTROLLER_MAPPING_NAME); button.clicked.disconnect(onButtonClicked);
tablet.removeButton(button);
leftBrush.tearDown();
leftBrush = null;
leftHand.tearDown();
leftHand = null;
rightBrush.tearDown();
rightBrush = null;
rightHand.tearDown();
rightHand = null;
Messages.unsubscribe(HIFI_POINT_INDEX_MESSAGE_CHANNEL);
Messages.unsubscribe(HIFI_GRAB_DISABLE_MESSAGE_CHANNEL);
Messages.unssubscribe(HIFI_POINTER_DISABLE_MESSAGE_CHANNEL);
} }
setUp(); setUp();