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fix un-hover, add some comments

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David Kelly 2017-01-09 08:42:43 -07:00
parent 5eff12af34
commit 409e785aa3
1 changed files with 10 additions and 3 deletions
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13
scripts/system/pal.js
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@ -86,6 +86,10 @@ ExtendedOverlay.prototype.hover = function (hovering) {
this.model.editOverlay({textures: textures(this.selected, hovering)});
}
if (hovering) {
// un-hover the last hovering overlay
if (lastHoveringId && lastHoveringId != this.key) {
ExtendedOverlay.get(lastHoveringId).hover(false);
}
lastHoveringId = this.key;
}
}
@ -116,7 +120,10 @@ ExtendedOverlay.some = function (iterator) { // Bails early as soon as iterator
}
}
};
ExtendedOverlay.applyPickRay = function (pickRay, cb, noHit) { // cb(overlay) on the one overlay intersected by pickRay, if any.
// hit(overlay) on the one overlay intersected by pickRay, if any.
// noHit() if no ExtendedOverlay was intersected (helps with hover)
ExtendedOverlay.applyPickRay = function (pickRay, hit, noHit) { // cb(overlay) on the one overlay intersected by pickRay, if any.
var pickedOverlay = Overlays.findRayIntersection(pickRay); // Depends on nearer coverOverlays to extend closer to us than farther ones.
if (!pickedOverlay.intersects) {
if (noHit) {
@ -126,7 +133,7 @@ ExtendedOverlay.applyPickRay = function (pickRay, cb, noHit) { // cb(overlay) on
}
ExtendedOverlay.some(function (overlay) { // See if pickedOverlay is one of ours.
if ((overlay.activeOverlay) === pickedOverlay.overlayID) {
cb(overlay);
hit(overlay);
return true;
}
});
@ -363,7 +370,7 @@ function handleMouseMoveEvent(event) {
// find out which overlay (if any) is over the mouse position
// var overlayAtPoint = Overlays.getOverlayAtPoint({x: event.x, y: event.y});
var pickRay = Camera.computePickRay(event.x, event.y);
var hit = ExtendedOverlay.applyPickRay(pickRay, function (overlay) {
ExtendedOverlay.applyPickRay(pickRay, function (overlay) {
overlay.hover(true);
}, function () {
ExtendedOverlay.some(function (overlay) { overlay.hover(false); });