189 lines
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JavaScript
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"use strict";
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// webSurfaceLaserInput.js
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//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
/* global Script, Entities, Controller, RIGHT_HAND, LEFT_HAND, enableDispatcherModule, disableDispatcherModule,
makeRunningValues, Messages, Quat, Vec3, makeDispatcherModuleParameters, Overlays, ZERO_VEC, HMD,
INCHES_TO_METERS, DEFAULT_REGISTRATION_POINT, getGrabPointSphereOffset, COLORS_GRAB_SEARCHING_HALF_SQUEEZE,
COLORS_GRAB_SEARCHING_FULL_SQUEEZE, COLORS_GRAB_DISTANCE_HOLD, DEFAULT_SEARCH_SPHERE_DISTANCE, TRIGGER_ON_VALUE,
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TRIGGER_OFF_VALUE, getEnabledModuleByName, PICK_MAX_DISTANCE, LaserPointers, RayPick, ContextOverlay, Picks, makeLaserParams
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*/
Script.include("/~/system/libraries/controllerDispatcherUtils.js");
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Script.include("/~/system/libraries/controllers.js");
(function() {
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function WebSurfaceLaserInput(hand) {
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this.hand = hand;
this.otherHand = this.hand === RIGHT_HAND ? LEFT_HAND : RIGHT_HAND;
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this.running = false;
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this.parameters = makeDispatcherModuleParameters(
120,
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this.hand === RIGHT_HAND ? ["rightHand"] : ["leftHand"],
[],
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100,
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makeLaserParams(hand, true));
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this.grabModuleWantsNearbyOverlay = function(controllerData) {
if (controllerData.triggerValues[this.hand] > TRIGGER_ON_VALUE) {
var nearGrabName = this.hand === RIGHT_HAND ? "RightNearParentingGrabOverlay" : "LeftNearParentingGrabOverlay";
var nearGrabModule = getEnabledModuleByName(nearGrabName);
if (nearGrabModule) {
var candidateOverlays = controllerData.nearbyOverlayIDs[this.hand];
var grabbableOverlays = candidateOverlays.filter(function(overlayID) {
return Overlays.getProperty(overlayID, "grabbable");
});
var target = nearGrabModule.getTargetID(grabbableOverlays, controllerData);
if (target) {
return true;
}
}
}
return false;
};
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this.getOtherModule = function() {
return this.hand === RIGHT_HAND ? leftOverlayLaserInput : rightOverlayLaserInput;
};
this.isPointingAtWebEntity = function(controllerData) {
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var intersection = controllerData.rayPicks[this.hand];
var entityProperty = Entities.getEntityProperties(intersection.objectID);
var entityType = entityProperty.type;
if ((intersection.type === Picks.INTERSECTED_ENTITY && entityType === "Web")) {
return true;
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}
return false;
};
this.isPointingAtOverlay = function(controllerData) {
var intersection = controllerData.rayPicks[this.hand];
return intersection.type === Picks.INTERSECTED_OVERLAY;
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};
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this.deleteContextOverlay = function() {
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var farGrabModule = getEnabledModuleByName(this.hand === RIGHT_HAND
? "RightFarActionGrabEntity" : "LeftFarActionGrabEntity");
if (farGrabModule) {
var entityWithContextOverlay = farGrabModule.entityWithContextOverlay;
if (entityWithContextOverlay) {
ContextOverlay.destroyContextOverlay(entityWithContextOverlay);
farGrabModule.entityWithContextOverlay = false;
}
}
};
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this.updateAllwaysOn = function() {
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var PREFER_STYLUS_OVER_LASER = "preferStylusOverLaser";
this.parameters.handLaser.allwaysOn = !Settings.getValue(PREFER_STYLUS_OVER_LASER, false);
};
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this.getDominantHand = function() {
return MyAvatar.getDominantHand() === "right" ? 1 : 0;
};
this.letOtherHandRunFirst = function (controllerData, pointingAt) {
// If both hands are ready to run, let the other hand run first if it is the dominant hand so that it gets the
// highlight.
var isOtherTriggerPressed = controllerData.triggerValues[this.otherHand] > TRIGGER_OFF_VALUE;
var isLetOtherHandRunFirst = !this.getOtherModule().running
&& this.getDominantHand() === this.otherHand
&& (this.parameters.handLaser.allwaysOn || isOtherTriggerPressed);
if (isLetOtherHandRunFirst) {
var otherHandPointingAt = controllerData.rayPicks[this.otherHand].objectID;
if (this.isTabletID(otherHandPointingAt)) {
otherHandPointingAt = HMD.tabletID;
}
isLetOtherHandRunFirst = pointingAt === otherHandPointingAt;
}
return isLetOtherHandRunFirst;
};
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this.hoverItem = null;
this.isTabletID = function (uuid) {
return [HMD.tabletID, HMD.tabletScreenID, HMD.homeButtonID, HMD.homeButtonHighlightID].indexOf(uuid) !== -1;
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};
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this.isReady = function(controllerData) {
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if (this.isPointingAtOverlay(controllerData) || this.isPointingAtWebEntity(controllerData)) {
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this.updateAllwaysOn();
var isTriggerPressed = controllerData.triggerValues[this.hand] > TRIGGER_OFF_VALUE;
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if (this.parameters.handLaser.allwaysOn || isTriggerPressed) {
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var pointingAt = controllerData.rayPicks[this.hand].objectID;
if (this.isTabletID(pointingAt)) {
pointingAt = HMD.tabletID;
}
if (!this.letOtherHandRunFirst(controllerData, pointingAt)) {
if (pointingAt !== this.getOtherModule().hoverItem) {
this.parameters.handLaser.doesHover = true;
this.hoverItem = pointingAt;
} else {
this.parameters.handLaser.doesHover = false;
this.hoverItem = null;
}
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return makeRunningValues(true, [], []);
}
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}
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}
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this.parameters.handLaser.doesHover = false;
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this.hoverItem = null;
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return makeRunningValues(false, [], []);
};
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this.run = function(controllerData, deltaTime) {
var grabModuleNeedsToRun = this.grabModuleWantsNearbyOverlay(controllerData);
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var isTriggerPressed = controllerData.triggerValues[this.hand] > TRIGGER_OFF_VALUE;
if (!grabModuleNeedsToRun && (isTriggerPressed || this.parameters.handLaser.allwaysOn
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&& (this.isPointingAtOverlay(controllerData) || this.isPointingAtWebEntity(controllerData)))) {
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this.running = true;
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var pointingAt = controllerData.rayPicks[this.hand].objectID;
if (this.isTabletID(pointingAt)) {
pointingAt = HMD.tabletID;
}
if (pointingAt !== this.getOtherModule().hoverItem || isTriggerPressed) {
this.parameters.handLaser.doesHover = true;
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this.hoverItem = pointingAt;
} else {
this.parameters.handLaser.doesHover = false;
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this.hoverItem = null;
}
return makeRunningValues(true, [], []);
}
this.deleteContextOverlay();
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this.running = false;
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this.parameters.handLaser.doesHover = false;
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this.hoverItem = null;
return makeRunningValues(false, [], []);
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};
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}
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var leftOverlayLaserInput = new WebSurfaceLaserInput(LEFT_HAND);
var rightOverlayLaserInput = new WebSurfaceLaserInput(RIGHT_HAND);
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enableDispatcherModule("LeftWebSurfaceLaserInput", leftOverlayLaserInput);
enableDispatcherModule("RightWebSurfaceLaserInput", rightOverlayLaserInput);
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function cleanup() {
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disableDispatcherModule("LeftWebSurfaceLaserInput");
disableDispatcherModule("RightWebSurfaceLaserInput");
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}
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Script.scriptEnding.connect(cleanup);
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}());