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don't crash if entity vanishes while doing touch test

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This commit is contained in:
Seth Alves 2016-02-22 14:00:01 -08:00
parent 8a3b233659
commit c470649076
1 changed files with 24 additions and 23 deletions
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47
examples/controllers/handControllerGrab.js
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@ -1589,31 +1589,32 @@ function MyController(hand) {
ids.forEach(function(id) {
var props = Entities.getEntityProperties(id, ["boundingBox", "name"]);
if (props.name === 'pointer') {
return;
} else if (props.boundingBox) {
var entityMinPoint = props.boundingBox.brn;
var entityMaxPoint = props.boundingBox.tfl;
var leftIsTouching = pointInExtents(leftHandPosition, entityMinPoint, entityMaxPoint);
var rightIsTouching = pointInExtents(rightHandPosition, entityMinPoint, entityMaxPoint);
if ((leftIsTouching || rightIsTouching) && _this.allTouchedIDs[id] === undefined) {
// we haven't been touched before, but either right or left is touching us now
_this.allTouchedIDs[id] = true;
_this.startTouch(id);
} else if ((leftIsTouching || rightIsTouching) && _this.allTouchedIDs[id]) {
// we have been touched before and are still being touched
// continue touch
_this.continueTouch(id);
} else if (_this.allTouchedIDs[id]) {
delete _this.allTouchedIDs[id];
_this.stopTouch(id);
} else {
//we are in another state
return;
}
continue;
}
if (!props || !props.boundingBox) {
continue;
}
var entityMinPoint = props.boundingBox.brn;
var entityMaxPoint = props.boundingBox.tfl;
var leftIsTouching = pointInExtents(leftHandPosition, entityMinPoint, entityMaxPoint);
var rightIsTouching = pointInExtents(rightHandPosition, entityMinPoint, entityMaxPoint);
if ((leftIsTouching || rightIsTouching) && _this.allTouchedIDs[id] === undefined) {
// we haven't been touched before, but either right or left is touching us now
_this.allTouchedIDs[id] = true;
_this.startTouch(id);
} else if ((leftIsTouching || rightIsTouching) && _this.allTouchedIDs[id]) {
// we have been touched before and are still being touched
// continue touch
_this.continueTouch(id);
} else if (_this.allTouchedIDs[id]) {
delete _this.allTouchedIDs[id];
_this.stopTouch(id);
} else {
//we are in another state
return;
}
});
};