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adjust code that auto-unequips items when they are pulled too far from the equipping hand

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This commit is contained in:
Seth Alves 2016-08-05 15:28:37 -07:00
parent 82119f7f0b
commit dc22b579f7
1 changed files with 21 additions and 5 deletions

26
scripts/system/controllers/handControllerGrab.js
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@ -107,7 +107,10 @@ var NEAR_GRAB_PICK_RADIUS = 0.25; // radius used for search ray vs object for ne
var PICK_BACKOFF_DISTANCE = 0.2; // helps when hand is intersecting the grabble object
var NEAR_GRABBING_KINEMATIC = true; // force objects to be kinematic when near-grabbed
var CHECK_TOO_FAR_UNEQUIP_TIME = 1.0; // seconds
// if an equipped item is "adjusted" to be too far from the hand it's in, it will be unequipped.
var CHECK_TOO_FAR_UNEQUIP_TIME = 0.3; // seconds, duration between checks
var AUTO_UNEQUIP_DISTANCE_FACTOR = 1.2; // multiplied by maximum dimention of held item, > this means drop
//
// other constants
@ -220,6 +223,17 @@ CONTROLLER_STATE_MACHINE[STATE_FAR_TRIGGER] = {
updateMethod: "farTrigger"
};
function getMaxDimensions(props) {
var maxDimension = props.dimensions.x;
if (props.dimensions.y > maxDimension) {
maxDimension = props.dimensions.y;
}
if (props.dimensions.z > maxDimension) {
maxDimension = props.dimensions.z;
}
return maxDimension;
}
function stateToName(state) {
return CONTROLLER_STATE_MACHINE[state] ? CONTROLLER_STATE_MACHINE[state].name : "???";
}
@ -1818,7 +1832,8 @@ function MyController(hand) {
this.heartBeat(this.grabbedEntity);
var props = Entities.getEntityProperties(this.grabbedEntity, ["localPosition", "parentID", "position", "rotation"]);
var props = Entities.getEntityProperties(this.grabbedEntity, ["localPosition", "parentID",
"position", "rotation", "dimensions"]);
if (!props.position) {
// server may have reset, taking our equipped entity with it. move back to "off" stte
this.callEntityMethodOnGrabbed("releaseGrab");
@ -1830,10 +1845,11 @@ function MyController(hand) {
if (now - this.lastUnequipCheckTime > MSECS_PER_SEC * CHECK_TOO_FAR_UNEQUIP_TIME) {
this.lastUnequipCheckTime = now;
var maxDimension = getMaxDimensions(props);
if (props.parentID == MyAvatar.sessionUUID &&
Vec3.length(props.localPosition) > NEAR_GRAB_MAX_DISTANCE) {
Vec3.length(props.localPosition) > maxDimension * AUTO_UNEQUIP_DISTANCE_FACTOR) {
var handPosition = this.getHandPosition();
// the center of the equipped object being far from the hand isn't enough to autoequip -- we also
// the center of the equipped object being far from the hand isn't enough to auto-unequip -- we also
// need to fail the findEntities test.
var nearPickedCandidateEntities = Entities.findEntities(handPosition, NEAR_GRAB_RADIUS);
if (nearPickedCandidateEntities.indexOf(this.grabbedEntity) == -1) {
@ -2416,4 +2432,4 @@ function cleanup() {
}
Script.scriptEnding.connect(cleanup);
Script.update.connect(update);
Script.update.connect(update);