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can erase any stroke at any time

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ericrius1 2016-02-25 15:23:02 -08:00
parent ddae2d4f74
commit 24bf4f851f
1 changed files with 13 additions and 29 deletions
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42
examples/homeContent/whiteboardV2/eraserEntityScript.js
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@ -24,7 +24,6 @@
_this.ERASER_TRIGGER_THRESHOLD = 0.2; _this.ERASER_TRIGGER_THRESHOLD = 0.2;
_this.STROKE_NAME = "hifi-marker-stroke"; _this.STROKE_NAME = "hifi-marker-stroke";
_this.ERASER_TO_STROKE_SEARCH_RADIUS = 0.7; _this.ERASER_TO_STROKE_SEARCH_RADIUS = 0.7;
_this.strokeMap = [];
}; };
Eraser.prototype = { Eraser.prototype = {
@ -33,43 +32,28 @@
_this.equipped = true; _this.equipped = true;
_this.hand = params[0] == "left" ? 0 : 1; _this.hand = params[0] == "left" ? 0 : 1;
// We really only need to grab position of marker strokes once, and then just check to see if eraser comes near enough to those strokes // We really only need to grab position of marker strokes once, and then just check to see if eraser comes near enough to those strokes
},
continueEquip: function() {
this.triggerValue = Controller.getValue(TRIGGER_CONTROLS[_this.hand]);
if (_this.triggerValue > _this.ERASER_TRIGGER_THRESHOLD) {
_this.continueHolding();
}
},
continueHolding: function() {
var eraserPosition = Entities.getEntityProperties(_this.entityID, "position").position; var eraserPosition = Entities.getEntityProperties(_this.entityID, "position").position;
var strokeIDs = Entities.findEntities(eraserPosition, _this.ERASER_TO_STROKE_SEARCH_RADIUS); var strokeIDs = Entities.findEntities(eraserPosition, _this.ERASER_TO_STROKE_SEARCH_RADIUS);
// Create a map of stroke entities and their positions // Create a map of stroke entities and their positions
strokeIDs.forEach(function(strokeID) { strokeIDs.forEach(function(strokeID) {
var strokeProps = Entities.getEntityProperties(strokeID, ["position", "name"]); var strokeProps = Entities.getEntityProperties(strokeID, ["position", "name"]);
if (strokeProps.name === _this.STROKE_NAME) { if (strokeProps.name === _this.STROKE_NAME && Vec3.distance(eraserPosition, strokeProps.position) < _this.ERASER_TO_STROKE_SEARCH_RADIUS) {
_this.strokeMap.push({ Entities.deleteEntity(strokeID);
strokeID: strokeID,
strokePosition: strokeProps.position
});
} }
}); });
}, },
continueEquip: function() {
this.triggerValue = Controller.getValue(TRIGGER_CONTROLS[_this.hand]);
if (_this.triggerValue > _this.ERASER_TRIGGER_THRESHOLD) {
_this.continueHolding();
} else {}
},
releaseEquip: function() {
_this.strokeMap = [];
},
continueHolding: function() {
// search for marker strokes within certain radius of eraser
var eraserPosition = Entities.getEntityProperties(_this.entityID, "position").position;
_this.strokeMap.forEach(function(strokeData, index) {
if (Vec3.distance(eraserPosition, strokeData.strokePosition) < _this.ERASER_TO_STROKE_SEARCH_RADIUS) {
Entities.deleteEntity(strokeData.strokeID);
_this.strokeMap.splice(index, 1);
}
})
},
preload: function(entityID) { preload: function(entityID) {
this.entityID = entityID; this.entityID = entityID;