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Add ability to prevent an object from being grabbable by specifying a custom key grabbableKey to grabbable:false

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This commit is contained in:
James Pollack 2015-09-25 15:26:29 -07:00
parent 9626bed8ca
commit 1f7914766c
1 changed files with 22 additions and 2 deletions
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24
examples/controllers/handControllerGrab.js
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@ -72,8 +72,9 @@ var STATE_NEAR_GRABBING_NON_COLLIDING = 5;
var STATE_CONTINUE_NEAR_GRABBING_NON_COLLIDING = 6;
var STATE_RELEASE = 7;
var GRAB_USER_DATA_KEY = "grabKey";
var GRABBABLE_DATA_KEY = "grabbableKey";
function MyController(hand, triggerAction) {
this.hand = hand;
if (this.hand === RIGHT_HAND) {
@ -182,6 +183,11 @@ function MyController(hand, triggerAction) {
origin: handPosition,
direction: Quat.getUp(this.getHandRotation())
};
var defaultGrabbableData = {
grabbable: true
};
var intersection = Entities.findRayIntersection(pickRay, true);
if (intersection.intersects &&
intersection.properties.collisionsWillMove === 1 &&
@ -190,9 +196,15 @@ function MyController(hand, triggerAction) {
var handControllerPosition = Controller.getSpatialControlPosition(this.palm);
var intersectionDistance = Vec3.distance(handControllerPosition, intersection.intersection);
this.grabbedEntity = intersection.entityID;
var grabbableData = getEntityCustomData(GRABBABLE_DATA_KEY, intersection.entityID, defaultGrabbableData);
if (grabbableData.grabbable === false) {
return;
}
if (intersectionDistance < NEAR_PICK_MAX_DISTANCE) {
// the hand is very close to the intersected object. go into close-grabbing mode.
this.state = STATE_NEAR_GRABBING;
} else {
// the hand is far from the intersected object. go into distance-holding mode
this.state = STATE_DISTANCE_HOLDING;
@ -203,8 +215,16 @@ function MyController(hand, triggerAction) {
var nearbyEntities = Entities.findEntities(handPosition, GRAB_RADIUS);
var minDistance = GRAB_RADIUS;
var i, props, distance;
for (i = 0; i < nearbyEntities.length; i++) {
var grabbableData = getEntityCustomData(GRABBABLE_DATA_KEY, nearbyEntities[i], defaultGrabbableData);
if (grabbableData.grabbable === false) {
return
}
props = Entities.getEntityProperties(nearbyEntities[i], ["position", "name", "collisionsWillMove", "locked"]);
distance = Vec3.distance(props.position, handPosition);
if (distance < minDistance && props.name !== "pointer") {
this.grabbedEntity = nearbyEntities[i];
@ -383,7 +403,7 @@ function MyController(hand, triggerAction) {
Entities.callEntityMethod(this.grabbedEntity, "continueNearGrabbingNonColliding");
};
_this.allTouchedIDs={};
_this.allTouchedIDs = {};
this.touchTest = function() {
var maxDistance = 0.05;
var leftHandPosition = MyAvatar.getLeftPalmPosition();