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try to put things back when a double-parent equip is released. if an equpped object is pulled too far from a hand, automatically unequip it.

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This commit is contained in:
Seth Alves 2016-02-05 13:53:45 -08:00
parent ae6a5aa286
commit b1267f9d37
1 changed files with 36 additions and 3 deletions
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39
examples/controllers/handControllerGrab.js
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@ -775,6 +775,7 @@ function MyController(hand) {
this.search = function() {
this.grabbedEntity = null;
this.isInitialGrab = false;
this.doubleParentGrab = false;
if (this.state == STATE_SEARCHING ? this.triggerSmoothedReleased() : this.bumperReleased()) {
this.setState(STATE_RELEASE);
@ -941,7 +942,7 @@ function MyController(hand) {
return;
}
// near grab or equip with action
if (near) {
if (near && grabbableData.refCount < 1) {
this.setState(this.state == STATE_SEARCHING ? STATE_NEAR_GRABBING : STATE_EQUIP);
return;
}
@ -977,6 +978,15 @@ function MyController(hand) {
if (grabbableData.refCount < 1) {
this.setState(this.state == STATE_SEARCHING ? STATE_NEAR_GRABBING : STATE_EQUIP);
return;
} else {
// it's not physical and it's already held via parenting. go ahead and grab it, but
// save off the current parent and joint. this wont always be right if there are more than
// two grabs and the order of release isn't opposite of the order of grabs.
this.doubleParentGrab = true;
this.previousParentID = props.parentID;
this.previousParentJointIndex = props.parentJointIndex;
this.setState(this.state == STATE_SEARCHING ? STATE_NEAR_GRABBING : STATE_EQUIP);
return;
}
if (WANT_DEBUG_SEARCH_NAME && props.name == WANT_DEBUG_SEARCH_NAME) {
print("grab is skipping '" + WANT_DEBUG_SEARCH_NAME + "': fell through.");
@ -1432,6 +1442,17 @@ function MyController(hand) {
return;
}
var props = Entities.getEntityProperties(this.grabbedEntity, ["localPosition", "parentID"]);
if (props.parentID == MyAvatar.sessionUUID &&
Vec3.length(props.localPosition) > NEAR_PICK_MAX_DISTANCE * 2.0) {
// for whatever reason, the held/equipped entity has been pulled away. ungrab or unequip.
print("handControllerGrab -- autoreleasing held or equipped item because it is far from hand.");
this.setState(STATE_RELEASE);
this.callEntityMethodOnGrabbed(this.state == STATE_NEAR_GRABBING ? "releaseGrab" : "releaseEquip",
[JSON.stringify(this.hand)]);
return;
}
// Keep track of the fingertip velocity to impart when we release the object.
// Note that the idea of using a constant 'tip' velocity regardless of the
// object's actual held offset is an idea intended to make it easier to throw things:
@ -1631,9 +1652,14 @@ function MyController(hand) {
if (this.grabbedEntity !== null) {
if (this.actionID !== null) {
Entities.deleteAction(this.grabbedEntity, this.actionID);
//sometimes we want things to stay right where they are when we let go.
// sometimes we want things to stay right where they are when we let go.
var grabData = getEntityCustomData(GRAB_USER_DATA_KEY, this.grabbedEntity, {});
var releaseVelocityData = getEntityCustomData(GRABBABLE_DATA_KEY, this.grabbedEntity, DEFAULT_GRABBABLE_DATA);
if (releaseVelocityData.disableReleaseVelocity === true || !this.isInitialGrab) {
if (releaseVelocityData.disableReleaseVelocity === true ||
// this next line allowed both:
// (1) far-grab, pull to self, near grab, then throw
// (2) equip something physical and adjust it with a other-hand grab without the thing drifting
(!this.isInitialGrab && grabData.refCount > 1)) {
Entities.editEntity(this.grabbedEntity, {
velocity: {
x: 0,
@ -1759,6 +1785,13 @@ function MyController(hand) {
Entities.editEntity(entityID, {velocity:{x:0, y:0.1, z:0}});
}
data = null;
} else if (this.doubleParentGrab) {
// we parent-grabbed this from another parent grab. try to put it back where we found it.
var deactiveProps = {
parentID: this.previousParentID,
parentJointIndex: this.previousParentJointIndex
};
Entities.editEntity(entityID, deactiveProps);
}
} else {
data = null;