"use strict"; // farGrabEntity.js//// Distributed under the Apache License, Version 2.0.// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html /* jslint bitwise: true */ /* global Script, Controller, RIGHT_HAND, LEFT_HAND, Mat4, MyAvatar, Vec3, Quat, getEnabledModuleByName, makeRunningValues, Entities, enableDispatcherModule, disableDispatcherModule, entityIsGrabbable, makeDispatcherModuleParameters, MSECS_PER_SEC, HAPTIC_PULSE_STRENGTH, HAPTIC_PULSE_DURATION, TRIGGER_OFF_VALUE, TRIGGER_ON_VALUE, ZERO_VEC, projectOntoEntityXYPlane, HMD, Picks, makeLaserLockInfo, makeLaserParams, AddressManager, getEntityParents, Selection, DISPATCHER_HOVERING_LIST, unhighlightTargetEntity, Messages, findGrabbableGroupParent, worldPositionToRegistrationFrameMatrix, DISPATCHER_PROPERTIES, handsAreTracked*/ Script.include("/~/system/libraries/controllerDispatcherUtils.js");Script.include("/~/system/libraries/controllers.js"); (function () { var controllerStandard = Controller.Standard; var MARGIN = 25; function TargetObject(entityID, entityProps) { this.entityID = entityID; this.entityProps = entityProps; this.targetEntityID = null; this.targetEntityProps = null; this.getTargetEntity = function () { var parentPropsLength = this.parentProps.length; if (parentPropsLength !== 0) { var targetEntity = { id: this.parentProps[parentPropsLength - 1].id, props: this.parentProps[parentPropsLength - 1] }; this.targetEntityID = targetEntity.id; this.targetEntityProps = targetEntity.props; return targetEntity; } this.targetEntityID = this.entityID; this.targetEntityProps = this.entityProps; return { id: this.entityID, props: this.entityProps }; }; } function FarGrabEntity(hand) { this.hand = hand; this.grabbing = false; this.targetEntityID = null; this.targetObject = null; this.previouslyUnhooked = {}; this.reticleMinX = MARGIN; this.reticleMaxX = 0; this.reticleMinY = MARGIN; this.reticleMaxY = 0; this.endedGrab = 0; this.MIN_HAPTIC_PULSE_INTERVAL = 500; // ms this.disabled = false; this.initialControllerRotation = Quat.IDENTITY; this.currentControllerRotation = Quat.IDENTITY; this.manipulating = false; this.wasManipulating = false; var FAR_GRAB_JOINTS = [65527, 65528]; // FARGRAB_LEFTHAND_INDEX, FARGRAB_RIGHTHAND_INDEX var DISTANCE_HOLDING_RADIUS_FACTOR = 3.5; // multiplied by distance between hand and object var DISTANCE_HOLDING_ACTION_TIMEFRAME = 0.1; // how quickly objects move to their new position var DISTANCE_HOLDING_UNITY_MASS = 1200; // The mass at which the distance holding action timeframe is unmodified var DISTANCE_HOLDING_UNITY_DISTANCE = 6; // The distance at which the distance holding action timeframe is unmodified this.parameters = makeDispatcherModuleParameters( 540, this.hand === RIGHT_HAND ? ["rightHand"] : ["leftHand"], [], 100, makeLaserParams(this.hand, false)); this.getOtherModule = function () { return getEnabledModuleByName(this.hand === RIGHT_HAND ? ("LeftFarGrabEntity") : ("RightFarGrabEntity")); }; // Get the rotation of the fargrabbed entity. this.getTargetRotation = function () { if (this.targetIsNull()) { return null; } else { var props = Entities.getEntityProperties(this.targetEntityID, ["rotation"]); return props.rotation; } }; this.getOffhand = function () { return (this.hand === RIGHT_HAND ? LEFT_HAND : RIGHT_HAND); }; // Activation criteria for rotating a fargrabbed entity. If we're changing the mapping, this is where to do it. this.shouldManipulateTarget = function (controllerData) { return (controllerData.triggerValues[this.getOffhand()] > TRIGGER_ON_VALUE || controllerData.secondaryValues[this.getOffhand()] > TRIGGER_ON_VALUE) ? true : false; }; // Get the delta between the current rotation and where the controller was when manipulation started. this.calculateEntityRotationManipulation = function (controllerRotation) { return Quat.multiply(controllerRotation, Quat.inverse(this.initialControllerRotation)); }; this.setJointTranslation = function (newTargetPosLocal) { MyAvatar.setJointTranslation(FAR_GRAB_JOINTS[this.hand], newTargetPosLocal); }; this.setJointRotation = function (newTargetRotLocal) { MyAvatar.setJointRotation(FAR_GRAB_JOINTS[this.hand], newTargetRotLocal); }; this.setJointRotation = function (newTargetRotLocal) { MyAvatar.setJointRotation(FAR_GRAB_JOINTS[this.hand], newTargetRotLocal); }; this.handToController = function () { return (this.hand === RIGHT_HAND) ? controllerStandard.RightHand : controllerStandard.LeftHand; }; this.distanceGrabTimescale = function (mass, distance) { var timeScale = DISTANCE_HOLDING_ACTION_TIMEFRAME * mass / DISTANCE_HOLDING_UNITY_MASS * distance / DISTANCE_HOLDING_UNITY_DISTANCE; if (timeScale < DISTANCE_HOLDING_ACTION_TIMEFRAME) { timeScale = DISTANCE_HOLDING_ACTION_TIMEFRAME; } return timeScale; }; this.getMass = function (dimensions, density) { return (dimensions.x * dimensions.y * dimensions.z) * density; }; this.startFarGrabEntity = function (controllerData, targetProps) { var controllerLocation = controllerData.controllerLocations[this.hand]; var worldControllerPosition = controllerLocation.position; var worldControllerRotation = controllerLocation.orientation; // transform the position into room space var worldToSensorMat = Mat4.inverse(MyAvatar.getSensorToWorldMatrix()); var roomControllerPosition = Mat4.transformPoint(worldToSensorMat, worldControllerPosition); var now = Date.now(); // add the action and initialize some variables this.currentObjectPosition = targetProps.position; this.currentObjectRotation = targetProps.rotation; this.currentObjectTime = now; this.grabRadius = this.grabbedDistance; this.grabRadialVelocity = 0.0; // offset between controller vector at the grab radius and the entity position var targetPosition = Vec3.multiply(this.grabRadius, Quat.getUp(worldControllerRotation)); targetPosition = Vec3.sum(targetPosition, worldControllerPosition); this.offsetPosition = Vec3.subtract(this.currentObjectPosition, targetPosition); // compute a constant based on the initial conditions which we use below to exaggerate hand motion // onto the held object this.radiusScalar = Math.log(this.grabRadius + 1.0); if (this.radiusScalar < 1.0) { this.radiusScalar = 1.0; } // compute the mass for the purpose of energy and how quickly to move object this.mass = this.getMass(targetProps.dimensions, targetProps.density); // Debounce haptic pules. Can occur as near grab controller module vacillates between being ready or not due to // changing positions and floating point rounding. if (Date.now() - this.endedGrab > this.MIN_HAPTIC_PULSE_INTERVAL) { Controller.triggerHapticPulse(HAPTIC_PULSE_STRENGTH, HAPTIC_PULSE_DURATION, this.hand); } unhighlightTargetEntity(this.targetEntityID); var message = { hand: this.hand, entityID: this.targetEntityID }; Messages.sendLocalMessage('Hifi-unhighlight-entity', JSON.stringify(message)); var newTargetPosLocal = MyAvatar.worldToJointPoint(targetProps.position); var newTargetRotLocal = targetProps.rotation; this.setJointTranslation(newTargetPosLocal); this.setJointRotation(newTargetRotLocal); var args = [this.hand === RIGHT_HAND ? "right" : "left", MyAvatar.sessionUUID]; Entities.callEntityMethod(targetProps.id, "startDistanceGrab", args); this.targetEntityID = targetProps.id; if (this.grabID) { MyAvatar.releaseGrab(this.grabID); } var farJointIndex = FAR_GRAB_JOINTS[this.hand]; this.grabID = MyAvatar.grab(targetProps.id, farJointIndex, Entities.worldToLocalPosition(targetProps.position, MyAvatar.SELF_ID, farJointIndex), Entities.worldToLocalRotation(targetProps.rotation, MyAvatar.SELF_ID, farJointIndex)); Messages.sendMessage('Hifi-Object-Manipulation', JSON.stringify({ action: 'grab', grabbedEntity: targetProps.id, joint: this.hand === RIGHT_HAND ? "RightHand" : "LeftHand" })); this.grabbing = true; this.previousRoomControllerPosition = roomControllerPosition; }; this.continueDistanceHolding = function (controllerData) { var controllerLocation = controllerData.controllerLocations[this.hand]; var worldControllerPosition = controllerLocation.position; var worldControllerRotation = controllerLocation.orientation; // also transform the position into room space var worldToSensorMat = Mat4.inverse(MyAvatar.getSensorToWorldMatrix()); var roomControllerPosition = Mat4.transformPoint(worldToSensorMat, worldControllerPosition); var targetProps = Entities.getEntityProperties(this.targetEntityID, "position"); var now = Date.now(); var deltaObjectTime = (now - this.currentObjectTime) / MSECS_PER_SEC; // convert to seconds this.currentObjectTime = now; // the action was set up when this.distanceHolding was called. update the targets. var radius = Vec3.distance(this.currentObjectPosition, worldControllerPosition) * this.radiusScalar * DISTANCE_HOLDING_RADIUS_FACTOR; if (radius < 1.0) { radius = 1.0; } var roomHandDelta = Vec3.subtract(roomControllerPosition, this.previousRoomControllerPosition); var worldHandDelta = Mat4.transformVector(MyAvatar.getSensorToWorldMatrix(), roomHandDelta); var handMoved = Vec3.multiply(worldHandDelta, radius); this.currentObjectPosition = Vec3.sum(this.currentObjectPosition, handMoved); var args = [this.hand === RIGHT_HAND ? "right" : "left", MyAvatar.sessionUUID]; Entities.callEntityMethod(this.targetEntityID, "continueDistanceGrab", args); // Update radialVelocity var lastVelocity = Vec3.multiply(worldHandDelta, 1.0 / deltaObjectTime); var delta = Vec3.normalize(Vec3.subtract(targetProps.position, worldControllerPosition)); var newRadialVelocity = Vec3.dot(lastVelocity, delta); var VELOCITY_AVERAGING_TIME = 0.016; var blendFactor = deltaObjectTime / VELOCITY_AVERAGING_TIME; if (blendFactor < 0.0) { blendFactor = 0.0; } else if (blendFactor > 1.0) { blendFactor = 1.0; } this.grabRadialVelocity = blendFactor * newRadialVelocity + (1.0 - blendFactor) * this.grabRadialVelocity; var RADIAL_GRAB_AMPLIFIER = 10.0; if (Math.abs(this.grabRadialVelocity) > 0.0) { this.grabRadius = this.grabRadius + (this.grabRadialVelocity * deltaObjectTime * this.grabRadius * RADIAL_GRAB_AMPLIFIER); } // don't let grabRadius go all the way to zero, because it can't come back from that var MINIMUM_GRAB_RADIUS = 0.1; if (this.grabRadius < MINIMUM_GRAB_RADIUS) { this.grabRadius = MINIMUM_GRAB_RADIUS; } var newTargetPosition = Vec3.multiply(this.grabRadius, Quat.getUp(worldControllerRotation)); newTargetPosition = Vec3.sum(newTargetPosition, worldControllerPosition); newTargetPosition = Vec3.sum(newTargetPosition, this.offsetPosition); var newTargetPosLocal = MyAvatar.worldToJointPoint(newTargetPosition); // This block handles the user's ability to rotate the object they're FarGrabbing if (this.shouldManipulateTarget(controllerData)) { // Get the pose of the controller that is not grabbing. var pose = Controller.getPoseValue((this.getOffhand() ? controllerStandard.RightHand : controllerStandard.LeftHand)); if (pose.valid) { // If we weren't manipulating the object yet, initialize the entity's original position. if (!this.manipulating) { // This will only be triggered if we've let go of the off-hand trigger and pulled it again without ending a grab. // Need to poll the entity's rotation again here. if (!this.wasManipulating) { this.initialEntityRotation = this.getTargetRotation(); } // Save the original controller orientation, we only care about the delta between this rotation and wherever // the controller rotates, so that we can apply it to the entity's rotation. this.initialControllerRotation = Quat.multiply(pose.rotation, MyAvatar.orientation); this.manipulating = true; } } var rot = Quat.multiply(pose.rotation, MyAvatar.orientation); var rotBetween = this.calculateEntityRotationManipulation(rot); var doubleRot = Quat.multiply(rotBetween, rotBetween); this.lastJointRotation = Quat.multiply(doubleRot, this.initialEntityRotation); this.setJointRotation(this.lastJointRotation); } else { // If we were manipulating but the user isn't currently expressing this intent, we want to know so we preserve the rotation // between manipulations without ending the fargrab. if (this.manipulating) { this.initialEntityRotation = this.lastJointRotation; this.wasManipulating = true; } this.manipulating = false; // Reset the inital controller position. this.initialControllerRotation = Quat.IDENTITY; } this.setJointTranslation(newTargetPosLocal); this.previousRoomControllerPosition = roomControllerPosition; }; this.endFarGrabEntity = function (controllerData) { if (this.grabID) { MyAvatar.releaseGrab(this.grabID); this.grabID = null; } this.endedGrab = Date.now(); var args = [this.hand === RIGHT_HAND ? "right" : "left", MyAvatar.sessionUUID]; Entities.callEntityMethod(this.targetEntityID, "releaseGrab", args); Messages.sendMessage('Hifi-Object-Manipulation', JSON.stringify({ action: 'release', grabbedEntity: this.targetEntityID, joint: this.hand === RIGHT_HAND ? "RightHand" : "LeftHand" })); unhighlightTargetEntity(this.targetEntityID); this.grabbing = false; MyAvatar.clearJointData(FAR_GRAB_JOINTS[this.hand]); this.initialEntityRotation = Quat.IDENTITY; this.initialControllerRotation = Quat.IDENTITY; this.targetEntityID = null; this.manipulating = false; this.wasManipulating = false; var otherModule = this.getOtherModule(); otherModule.disabled = false; }; this.updateRecommendedArea = function () { var dims = Controller.getViewportDimensions(); this.reticleMaxX = dims.x - MARGIN; this.reticleMaxY = dims.y - MARGIN; }; this.calculateNewReticlePosition = function (intersection) { this.updateRecommendedArea(); var point2d = HMD.overlayFromWorldPoint(intersection); point2d.x = Math.max(this.reticleMinX, Math.min(point2d.x, this.reticleMaxX)); point2d.y = Math.max(this.reticleMinY, Math.min(point2d.y, this.reticleMaxY)); return point2d; }; this.notPointingAtEntity = function (controllerData) { var intersection = controllerData.rayPicks[this.hand]; var entityProperty = Entities.getEntityProperties(intersection.objectID, "type"); var entityType = entityProperty.type; var hudRayPick = controllerData.hudRayPicks[this.hand]; if (!hudRayPick.intersects) return false; var point2d = this.calculateNewReticlePosition(hudRayPick.intersection); if (entityType === "Web" || Window.isPointOnDesktopWindow(point2d)) { return true; } return false; }; this.targetIsNull = function () { var properties = Entities.getEntityProperties(this.targetEntityID, "type"); if (Object.keys(properties).length === 0 && this.distanceHolding) { return true; } return false; }; this.getTargetProps = function (controllerData) { var targetEntity = controllerData.rayPicks[this.hand].objectID; if (targetEntity) { var gtProps = Entities.getEntityProperties(targetEntity, DISPATCHER_PROPERTIES); if (entityIsGrabbable(gtProps)) { // if we've attempted to grab a child, roll up to the root of the tree var groupRootProps = findGrabbableGroupParent(controllerData, gtProps); if (entityIsGrabbable(groupRootProps)) { return groupRootProps; } return gtProps; } } return null; }; this.isReady = function (controllerData) { if (HMD.active) { if (handsAreTracked()) { return makeRunningValues(false, [], []); } if (this.notPointingAtEntity(controllerData)) { return makeRunningValues(false, [], []); } this.distanceHolding = false; if (controllerData.triggerValues[this.hand] > TRIGGER_ON_VALUE && !this.disabled) { var otherModule = this.getOtherModule(); otherModule.disabled = true; return makeRunningValues(true, [], []); } } return makeRunningValues(false, [], []); }; this.run = function (controllerData) { if (controllerData.triggerValues[this.hand] < TRIGGER_OFF_VALUE || this.targetIsNull()) { this.endFarGrabEntity(controllerData); return makeRunningValues(false, [], []); } this.intersectionDistance = controllerData.rayPicks[this.hand].distance; // gather up the readiness of the near-grab modules var nearGrabNames = [ this.hand === RIGHT_HAND ? "RightScaleAvatar" : "LeftScaleAvatar", this.hand === RIGHT_HAND ? "RightFarTriggerEntity" : "LeftFarTriggerEntity", this.hand === RIGHT_HAND ? "RightNearGrabEntity" : "LeftNearGrabEntity" ]; if (!this.grabbing) { nearGrabNames.push(this.hand === RIGHT_HAND ? "RightNearParentingGrabOverlay" : "LeftNearParentingGrabOverlay"); nearGrabNames.push(this.hand === RIGHT_HAND ? "RightNearTabletHighlight" : "LeftNearTabletHighlight"); } var nearGrabReadiness = []; for (var i = 0; i < nearGrabNames.length; i++) { var nearGrabModule = getEnabledModuleByName(nearGrabNames[i]); var ready = nearGrabModule ? nearGrabModule.isReady(controllerData) : makeRunningValues(false, [], []); nearGrabReadiness.push(ready); } if (this.targetEntityID) { // if we are doing a distance grab and the object gets close enough to the controller, // stop the far-grab so the near-grab or equip can take over. for (var k = 0; k < nearGrabReadiness.length; k++) { if (nearGrabReadiness[k].active && (nearGrabReadiness[k].targets[0] === this.targetEntityID)) { this.endFarGrabEntity(controllerData); return makeRunningValues(false, [], []); } } this.continueDistanceHolding(controllerData); } else { // if we are doing a distance search and this controller moves into a position // where it could near-grab something, stop searching. for (var j = 0; j < nearGrabReadiness.length; j++) { if (nearGrabReadiness[j].active) { this.endFarGrabEntity(controllerData); return makeRunningValues(false, [], []); } } var rayPickInfo = controllerData.rayPicks[this.hand]; if (controllerData.triggerClicks[this.hand] && rayPickInfo.intersects) { var entityID = rayPickInfo.objectID; var targetProps = Entities.getEntityProperties(entityID, DISPATCHER_PROPERTIES); if (targetProps.href !== "") { AddressManager.handleLookupString(targetProps.href); return makeRunningValues(false, [], []); } this.targetObject = new TargetObject(entityID, targetProps); this.targetObject.parentProps = getEntityParents(targetProps); Selection.removeFromSelectedItemsList("contextOverlayHighlightList", "entity", entityID); var targetEntity = this.targetObject.getTargetEntity(); entityID = targetEntity.id; targetProps = targetEntity.props; if ( entityID !== HMD.tabletID && !Keyboard.containsID(entityID) && (entityIsGrabbable(targetProps) || entityIsGrabbable(this.targetObject.entityProps)) ) { this.targetEntityID = entityID; this.grabbedDistance = rayPickInfo.distance; this.distanceHolding = true; this.startFarGrabEntity(controllerData, targetProps); } } } return this.exitIfDisabled(controllerData); }; this.exitIfDisabled = function (controllerData) {Lines 1–500 of 540. 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"use strict"; // farGrabEntity.js // // Distributed under the Apache License, Version 2.0. // See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html /* jslint bitwise: true */ /* global Script, Controller, RIGHT_HAND, LEFT_HAND, Mat4, MyAvatar, Vec3, Quat, getEnabledModuleByName, makeRunningValues, Entities, enableDispatcherModule, disableDispatcherModule, entityIsGrabbable, makeDispatcherModuleParameters, MSECS_PER_SEC, HAPTIC_PULSE_STRENGTH, HAPTIC_PULSE_DURATION, TRIGGER_OFF_VALUE, TRIGGER_ON_VALUE, ZERO_VEC, projectOntoEntityXYPlane, HMD, Picks, makeLaserLockInfo, makeLaserParams, AddressManager, getEntityParents, Selection, DISPATCHER_HOVERING_LIST, unhighlightTargetEntity, Messages, findGrabbableGroupParent, worldPositionToRegistrationFrameMatrix, DISPATCHER_PROPERTIES, handsAreTracked */ Script.include("/~/system/libraries/controllerDispatcherUtils.js"); Script.include("/~/system/libraries/controllers.js"); (function () { var controllerStandard = Controller.Standard; var MARGIN = 25; function TargetObject(entityID, entityProps) { this.entityID = entityID; this.entityProps = entityProps; this.targetEntityID = null; this.targetEntityProps = null; this.getTargetEntity = function () { var parentPropsLength = this.parentProps.length; if (parentPropsLength !== 0) { var targetEntity = { id: this.parentProps[parentPropsLength - 1].id, props: this.parentProps[parentPropsLength - 1] }; this.targetEntityID = targetEntity.id; this.targetEntityProps = targetEntity.props; return targetEntity; } this.targetEntityID = this.entityID; this.targetEntityProps = this.entityProps; return { id: this.entityID, props: this.entityProps }; }; } function FarGrabEntity(hand) { this.hand = hand; this.grabbing = false; this.targetEntityID = null; this.targetObject = null; this.previouslyUnhooked = {}; this.reticleMinX = MARGIN; this.reticleMaxX = 0; this.reticleMinY = MARGIN; this.reticleMaxY = 0; this.endedGrab = 0; this.MIN_HAPTIC_PULSE_INTERVAL = 500; // ms this.disabled = false; this.initialControllerRotation = Quat.IDENTITY; this.currentControllerRotation = Quat.IDENTITY; this.manipulating = false; this.wasManipulating = false; var FAR_GRAB_JOINTS = [65527, 65528]; // FARGRAB_LEFTHAND_INDEX, FARGRAB_RIGHTHAND_INDEX var DISTANCE_HOLDING_RADIUS_FACTOR = 3.5; // multiplied by distance between hand and object var DISTANCE_HOLDING_ACTION_TIMEFRAME = 0.1; // how quickly objects move to their new position var DISTANCE_HOLDING_UNITY_MASS = 1200; // The mass at which the distance holding action timeframe is unmodified var DISTANCE_HOLDING_UNITY_DISTANCE = 6; // The distance at which the distance holding action timeframe is unmodified this.parameters = makeDispatcherModuleParameters( 540, this.hand === RIGHT_HAND ? ["rightHand"] : ["leftHand"], [], 100, makeLaserParams(this.hand, false)); this.getOtherModule = function () { return getEnabledModuleByName(this.hand === RIGHT_HAND ? ("LeftFarGrabEntity") : ("RightFarGrabEntity")); }; // Get the rotation of the fargrabbed entity. this.getTargetRotation = function () { if (this.targetIsNull()) { return null; } else { var props = Entities.getEntityProperties(this.targetEntityID, ["rotation"]); return props.rotation; } }; this.getOffhand = function () { return (this.hand === RIGHT_HAND ? LEFT_HAND : RIGHT_HAND); }; // Activation criteria for rotating a fargrabbed entity. If we're changing the mapping, this is where to do it. this.shouldManipulateTarget = function (controllerData) { return (controllerData.triggerValues[this.getOffhand()] > TRIGGER_ON_VALUE || controllerData.secondaryValues[this.getOffhand()] > TRIGGER_ON_VALUE) ? true : false; }; // Get the delta between the current rotation and where the controller was when manipulation started. this.calculateEntityRotationManipulation = function (controllerRotation) { return Quat.multiply(controllerRotation, Quat.inverse(this.initialControllerRotation)); }; this.setJointTranslation = function (newTargetPosLocal) { MyAvatar.setJointTranslation(FAR_GRAB_JOINTS[this.hand], newTargetPosLocal); }; this.setJointRotation = function (newTargetRotLocal) { MyAvatar.setJointRotation(FAR_GRAB_JOINTS[this.hand], newTargetRotLocal); }; this.setJointRotation = function (newTargetRotLocal) { MyAvatar.setJointRotation(FAR_GRAB_JOINTS[this.hand], newTargetRotLocal); }; this.handToController = function () { return (this.hand === RIGHT_HAND) ? controllerStandard.RightHand : controllerStandard.LeftHand; }; this.distanceGrabTimescale = function (mass, distance) { var timeScale = DISTANCE_HOLDING_ACTION_TIMEFRAME * mass / DISTANCE_HOLDING_UNITY_MASS * distance / DISTANCE_HOLDING_UNITY_DISTANCE; if (timeScale < DISTANCE_HOLDING_ACTION_TIMEFRAME) { timeScale = DISTANCE_HOLDING_ACTION_TIMEFRAME; } return timeScale; }; this.getMass = function (dimensions, density) { return (dimensions.x * dimensions.y * dimensions.z) * density; }; this.startFarGrabEntity = function (controllerData, targetProps) { var controllerLocation = controllerData.controllerLocations[this.hand]; var worldControllerPosition = controllerLocation.position; var worldControllerRotation = controllerLocation.orientation; // transform the position into room space var worldToSensorMat = Mat4.inverse(MyAvatar.getSensorToWorldMatrix()); var roomControllerPosition = Mat4.transformPoint(worldToSensorMat, worldControllerPosition); var now = Date.now(); // add the action and initialize some variables this.currentObjectPosition = targetProps.position; this.currentObjectRotation = targetProps.rotation; this.currentObjectTime = now; this.grabRadius = this.grabbedDistance; this.grabRadialVelocity = 0.0; // offset between controller vector at the grab radius and the entity position var targetPosition = Vec3.multiply(this.grabRadius, Quat.getUp(worldControllerRotation)); targetPosition = Vec3.sum(targetPosition, worldControllerPosition); this.offsetPosition = Vec3.subtract(this.currentObjectPosition, targetPosition); // compute a constant based on the initial conditions which we use below to exaggerate hand motion // onto the held object this.radiusScalar = Math.log(this.grabRadius + 1.0); if (this.radiusScalar < 1.0) { this.radiusScalar = 1.0; } // compute the mass for the purpose of energy and how quickly to move object this.mass = this.getMass(targetProps.dimensions, targetProps.density); // Debounce haptic pules. Can occur as near grab controller module vacillates between being ready or not due to // changing positions and floating point rounding. if (Date.now() - this.endedGrab > this.MIN_HAPTIC_PULSE_INTERVAL) { Controller.triggerHapticPulse(HAPTIC_PULSE_STRENGTH, HAPTIC_PULSE_DURATION, this.hand); } unhighlightTargetEntity(this.targetEntityID); var message = { hand: this.hand, entityID: this.targetEntityID }; Messages.sendLocalMessage('Hifi-unhighlight-entity', JSON.stringify(message)); var newTargetPosLocal = MyAvatar.worldToJointPoint(targetProps.position); var newTargetRotLocal = targetProps.rotation; this.setJointTranslation(newTargetPosLocal); this.setJointRotation(newTargetRotLocal); var args = [this.hand === RIGHT_HAND ? "right" : "left", MyAvatar.sessionUUID]; Entities.callEntityMethod(targetProps.id, "startDistanceGrab", args); this.targetEntityID = targetProps.id; if (this.grabID) { MyAvatar.releaseGrab(this.grabID); } var farJointIndex = FAR_GRAB_JOINTS[this.hand]; this.grabID = MyAvatar.grab(targetProps.id, farJointIndex, Entities.worldToLocalPosition(targetProps.position, MyAvatar.SELF_ID, farJointIndex), Entities.worldToLocalRotation(targetProps.rotation, MyAvatar.SELF_ID, farJointIndex)); Messages.sendMessage('Hifi-Object-Manipulation', JSON.stringify({ action: 'grab', grabbedEntity: targetProps.id, joint: this.hand === RIGHT_HAND ? "RightHand" : "LeftHand" })); this.grabbing = true; this.previousRoomControllerPosition = roomControllerPosition; }; this.continueDistanceHolding = function (controllerData) { var controllerLocation = controllerData.controllerLocations[this.hand]; var worldControllerPosition = controllerLocation.position; var worldControllerRotation = controllerLocation.orientation; // also transform the position into room space var worldToSensorMat = Mat4.inverse(MyAvatar.getSensorToWorldMatrix()); var roomControllerPosition = Mat4.transformPoint(worldToSensorMat, worldControllerPosition); var targetProps = Entities.getEntityProperties(this.targetEntityID, "position"); var now = Date.now(); var deltaObjectTime = (now - this.currentObjectTime) / MSECS_PER_SEC; // convert to seconds this.currentObjectTime = now; // the action was set up when this.distanceHolding was called. update the targets. var radius = Vec3.distance(this.currentObjectPosition, worldControllerPosition) * this.radiusScalar * DISTANCE_HOLDING_RADIUS_FACTOR; if (radius < 1.0) { radius = 1.0; } var roomHandDelta = Vec3.subtract(roomControllerPosition, this.previousRoomControllerPosition); var worldHandDelta = Mat4.transformVector(MyAvatar.getSensorToWorldMatrix(), roomHandDelta); var handMoved = Vec3.multiply(worldHandDelta, radius); this.currentObjectPosition = Vec3.sum(this.currentObjectPosition, handMoved); var args = [this.hand === RIGHT_HAND ? "right" : "left", MyAvatar.sessionUUID]; Entities.callEntityMethod(this.targetEntityID, "continueDistanceGrab", args); // Update radialVelocity var lastVelocity = Vec3.multiply(worldHandDelta, 1.0 / deltaObjectTime); var delta = Vec3.normalize(Vec3.subtract(targetProps.position, worldControllerPosition)); var newRadialVelocity = Vec3.dot(lastVelocity, delta); var VELOCITY_AVERAGING_TIME = 0.016; var blendFactor = deltaObjectTime / VELOCITY_AVERAGING_TIME; if (blendFactor < 0.0) { blendFactor = 0.0; } else if (blendFactor > 1.0) { blendFactor = 1.0; } this.grabRadialVelocity = blendFactor * newRadialVelocity + (1.0 - blendFactor) * this.grabRadialVelocity; var RADIAL_GRAB_AMPLIFIER = 10.0; if (Math.abs(this.grabRadialVelocity) > 0.0) { this.grabRadius = this.grabRadius + (this.grabRadialVelocity * deltaObjectTime * this.grabRadius * RADIAL_GRAB_AMPLIFIER); } // don't let grabRadius go all the way to zero, because it can't come back from that var MINIMUM_GRAB_RADIUS = 0.1; if (this.grabRadius < MINIMUM_GRAB_RADIUS) { this.grabRadius = MINIMUM_GRAB_RADIUS; } var newTargetPosition = Vec3.multiply(this.grabRadius, Quat.getUp(worldControllerRotation)); newTargetPosition = Vec3.sum(newTargetPosition, worldControllerPosition); newTargetPosition = Vec3.sum(newTargetPosition, this.offsetPosition); var newTargetPosLocal = MyAvatar.worldToJointPoint(newTargetPosition); // This block handles the user's ability to rotate the object they're FarGrabbing if (this.shouldManipulateTarget(controllerData)) { // Get the pose of the controller that is not grabbing. var pose = Controller.getPoseValue((this.getOffhand() ? controllerStandard.RightHand : controllerStandard.LeftHand)); if (pose.valid) { // If we weren't manipulating the object yet, initialize the entity's original position. if (!this.manipulating) { // This will only be triggered if we've let go of the off-hand trigger and pulled it again without ending a grab. // Need to poll the entity's rotation again here. if (!this.wasManipulating) { this.initialEntityRotation = this.getTargetRotation(); } // Save the original controller orientation, we only care about the delta between this rotation and wherever // the controller rotates, so that we can apply it to the entity's rotation. this.initialControllerRotation = Quat.multiply(pose.rotation, MyAvatar.orientation); this.manipulating = true; } } var rot = Quat.multiply(pose.rotation, MyAvatar.orientation); var rotBetween = this.calculateEntityRotationManipulation(rot); var doubleRot = Quat.multiply(rotBetween, rotBetween); this.lastJointRotation = Quat.multiply(doubleRot, this.initialEntityRotation); this.setJointRotation(this.lastJointRotation); } else { // If we were manipulating but the user isn't currently expressing this intent, we want to know so we preserve the rotation // between manipulations without ending the fargrab. if (this.manipulating) { this.initialEntityRotation = this.lastJointRotation; this.wasManipulating = true; } this.manipulating = false; // Reset the inital controller position. this.initialControllerRotation = Quat.IDENTITY; } this.setJointTranslation(newTargetPosLocal); this.previousRoomControllerPosition = roomControllerPosition; }; this.endFarGrabEntity = function (controllerData) { if (this.grabID) { MyAvatar.releaseGrab(this.grabID); this.grabID = null; } this.endedGrab = Date.now(); var args = [this.hand === RIGHT_HAND ? "right" : "left", MyAvatar.sessionUUID]; Entities.callEntityMethod(this.targetEntityID, "releaseGrab", args); Messages.sendMessage('Hifi-Object-Manipulation', JSON.stringify({ action: 'release', grabbedEntity: this.targetEntityID, joint: this.hand === RIGHT_HAND ? "RightHand" : "LeftHand" })); unhighlightTargetEntity(this.targetEntityID); this.grabbing = false; MyAvatar.clearJointData(FAR_GRAB_JOINTS[this.hand]); this.initialEntityRotation = Quat.IDENTITY; this.initialControllerRotation = Quat.IDENTITY; this.targetEntityID = null; this.manipulating = false; this.wasManipulating = false; var otherModule = this.getOtherModule(); otherModule.disabled = false; }; this.updateRecommendedArea = function () { var dims = Controller.getViewportDimensions(); this.reticleMaxX = dims.x - MARGIN; this.reticleMaxY = dims.y - MARGIN; }; this.calculateNewReticlePosition = function (intersection) { this.updateRecommendedArea(); var point2d = HMD.overlayFromWorldPoint(intersection); point2d.x = Math.max(this.reticleMinX, Math.min(point2d.x, this.reticleMaxX)); point2d.y = Math.max(this.reticleMinY, Math.min(point2d.y, this.reticleMaxY)); return point2d; }; this.notPointingAtEntity = function (controllerData) { var intersection = controllerData.rayPicks[this.hand]; var entityProperty = Entities.getEntityProperties(intersection.objectID, "type"); var entityType = entityProperty.type; var hudRayPick = controllerData.hudRayPicks[this.hand]; if (!hudRayPick.intersects) return false; var point2d = this.calculateNewReticlePosition(hudRayPick.intersection); if (entityType === "Web" || Window.isPointOnDesktopWindow(point2d)) { return true; } return false; }; this.targetIsNull = function () { var properties = Entities.getEntityProperties(this.targetEntityID, "type"); if (Object.keys(properties).length === 0 && this.distanceHolding) { return true; } return false; }; this.getTargetProps = function (controllerData) { var targetEntity = controllerData.rayPicks[this.hand].objectID; if (targetEntity) { var gtProps = Entities.getEntityProperties(targetEntity, DISPATCHER_PROPERTIES); if (entityIsGrabbable(gtProps)) { // if we've attempted to grab a child, roll up to the root of the tree var groupRootProps = findGrabbableGroupParent(controllerData, gtProps); if (entityIsGrabbable(groupRootProps)) { return groupRootProps; } return gtProps; } } return null; }; this.isReady = function (controllerData) { if (HMD.active) { if (handsAreTracked()) { return makeRunningValues(false, [], []); } if (this.notPointingAtEntity(controllerData)) { return makeRunningValues(false, [], []); } this.distanceHolding = false; if (controllerData.triggerValues[this.hand] > TRIGGER_ON_VALUE && !this.disabled) { var otherModule = this.getOtherModule(); otherModule.disabled = true; return makeRunningValues(true, [], []); } } return makeRunningValues(false, [], []); }; this.run = function (controllerData) { if (controllerData.triggerValues[this.hand] < TRIGGER_OFF_VALUE || this.targetIsNull()) { this.endFarGrabEntity(controllerData); return makeRunningValues(false, [], []); } this.intersectionDistance = controllerData.rayPicks[this.hand].distance; // gather up the readiness of the near-grab modules var nearGrabNames = [ this.hand === RIGHT_HAND ? "RightScaleAvatar" : "LeftScaleAvatar", this.hand === RIGHT_HAND ? "RightFarTriggerEntity" : "LeftFarTriggerEntity", this.hand === RIGHT_HAND ? "RightNearGrabEntity" : "LeftNearGrabEntity" ]; if (!this.grabbing) { nearGrabNames.push(this.hand === RIGHT_HAND ? "RightNearParentingGrabOverlay" : "LeftNearParentingGrabOverlay"); nearGrabNames.push(this.hand === RIGHT_HAND ? "RightNearTabletHighlight" : "LeftNearTabletHighlight"); } var nearGrabReadiness = []; for (var i = 0; i < nearGrabNames.length; i++) { var nearGrabModule = getEnabledModuleByName(nearGrabNames[i]); var ready = nearGrabModule ? nearGrabModule.isReady(controllerData) : makeRunningValues(false, [], []); nearGrabReadiness.push(ready); } if (this.targetEntityID) { // if we are doing a distance grab and the object gets close enough to the controller, // stop the far-grab so the near-grab or equip can take over. for (var k = 0; k < nearGrabReadiness.length; k++) { if (nearGrabReadiness[k].active && (nearGrabReadiness[k].targets[0] === this.targetEntityID)) { this.endFarGrabEntity(controllerData); return makeRunningValues(false, [], []); } } this.continueDistanceHolding(controllerData); } else { // if we are doing a distance search and this controller moves into a position // where it could near-grab something, stop searching. for (var j = 0; j < nearGrabReadiness.length; j++) { if (nearGrabReadiness[j].active) { this.endFarGrabEntity(controllerData); return makeRunningValues(false, [], []); } } var rayPickInfo = controllerData.rayPicks[this.hand]; if (controllerData.triggerClicks[this.hand] && rayPickInfo.intersects) { var entityID = rayPickInfo.objectID; var targetProps = Entities.getEntityProperties(entityID, DISPATCHER_PROPERTIES); if (targetProps.href !== "") { AddressManager.handleLookupString(targetProps.href); return makeRunningValues(false, [], []); } this.targetObject = new TargetObject(entityID, targetProps); this.targetObject.parentProps = getEntityParents(targetProps); Selection.removeFromSelectedItemsList("contextOverlayHighlightList", "entity", entityID); var targetEntity = this.targetObject.getTargetEntity(); entityID = targetEntity.id; targetProps = targetEntity.props; if ( entityID !== HMD.tabletID && !Keyboard.containsID(entityID) && (entityIsGrabbable(targetProps) || entityIsGrabbable(this.targetObject.entityProps)) ) { this.targetEntityID = entityID; this.grabbedDistance = rayPickInfo.distance; this.distanceHolding = true; this.startFarGrabEntity(controllerData, targetProps); } } } return this.exitIfDisabled(controllerData); }; this.exitIfDisabled = function (controllerData) {