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Add hystersis between near parent grabbing and tearing away

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David Rowe 2018-11-24 08:35:02 +13:00
parent 1362e7f361
commit f1dad3c465
2 changed files with 9 additions and 3 deletions
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7
scripts/system/controllers/controllerModules/nearParentGrabEntity.js
View file

@ -12,7 +12,8 @@
findGroupParent, Vec3, cloneEntity, entityIsCloneable, propsAreCloneDynamic, HAPTIC_PULSE_STRENGTH,
HAPTIC_PULSE_DURATION, BUMPER_ON_VALUE, findHandChildEntities, TEAR_AWAY_DISTANCE, MSECS_PER_SEC, TEAR_AWAY_CHECK_TIME,
TEAR_AWAY_COUNT, distanceBetweenPointAndEntityBoundingBox, print, Uuid, highlightTargetEntity, unhighlightTargetEntity,
distanceBetweenEntityLocalPositionAndBoundingBox, getGrabbableData, getGrabPointSphereOffset, DISPATCHER_PROPERTIES
distanceBetweenEntityLocalPositionAndBoundingBox, getGrabbableData, getGrabPointSphereOffset, DISPATCHER_PROPERTIES,
NEAR_GRAB_DISTANCE
*/
Script.include("/~/system/libraries/controllerDispatcherUtils.js");
@ -235,14 +236,14 @@ Script.include("/~/system/libraries/controllers.js");
// nearbyEntityProperties is already sorted by length from controller
var nearbyEntityProperties = controllerData.nearbyEntityProperties[this.hand];
var sensorScaleFactor = MyAvatar.sensorToWorldScale;
var tearAwayDistance = TEAR_AWAY_DISTANCE * sensorScaleFactor;
var nearGrabDistance = NEAR_GRAB_DISTANCE * sensorScaleFactor;
var nearGrabRadius = NEAR_GRAB_RADIUS * sensorScaleFactor;
for (var i = 0; i < nearbyEntityProperties.length; i++) {
var props = nearbyEntityProperties[i];
var grabPosition = controllerData.controllerLocations[this.hand].position; // Is offset from hand position.
var dist = distanceBetweenPointAndEntityBoundingBox(grabPosition, props);
var distance = Vec3.distance(grabPosition, props.position);
if ((dist > tearAwayDistance) ||
if ((dist > nearGrabDistance) ||
(distance > nearGrabRadius)) { // Only smallish entities can be near grabbed.
continue;
}

5
scripts/system/libraries/controllerDispatcherUtils.js
View file

@ -53,6 +53,7 @@
TEAR_AWAY_DISTANCE:true,
TEAR_AWAY_COUNT:true,
TEAR_AWAY_CHECK_TIME:true,
NEAR_GRAB_DISTANCE: true,
distanceBetweenPointAndEntityBoundingBox:true,
entityIsEquipped:true,
entityIsFarGrabbedByOther:true,
@ -99,6 +100,10 @@ NEAR_GRAB_RADIUS = 1.0;
TEAR_AWAY_DISTANCE = 0.15; // ungrab an entity if its bounding-box moves this far from the hand
TEAR_AWAY_COUNT = 2; // multiply by TEAR_AWAY_CHECK_TIME to know how long the item must be away
TEAR_AWAY_CHECK_TIME = 0.15; // seconds, duration between checks
NEAR_GRAB_DISTANCE = 0.14; // Grab an entity if its bounding box is within this distance.
// Smaller than TEAR_AWAY_DISTANCE for hysteresis.
DISPATCHER_HOVERING_LIST = "dispactherHoveringList";
DISPATCHER_HOVERING_STYLE = {
isOutlineSmooth: true,