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highlight grabber handles on hover

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This commit is contained in:
ZappoMan 2014-10-13 12:19:38 -07:00
parent 2b6cd6d29a
commit 45a5768750
1 changed files with 98 additions and 1 deletions
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99
examples/libraries/entitySelectionTool.js
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@ -60,9 +60,17 @@ SelectionDisplay = (function () {
var rotateHandleColor = { red: 0, green: 0, blue: 0 };
var rotateHandleAlpha = 0.7;
var highlightedHandleColor = { red: 255, green: 0, blue: 0 };
var highlightedHandleAlpha = 0.7;
var previousHandle = false;
var previousHandleColor;
var previousHandleAlpha;
var grabberSizeCorner = 0.025;
var grabberSizeEdge = 0.015;
var grabberSizeFace = 0.025;
var grabberAlpha = 1;
var grabberColorCorner = { red: 120, green: 120, blue: 120 };
var grabberColorEdge = { red: 0, green: 0, blue: 0 };
var grabberColorFace = { red: 120, green: 120, blue: 120 };
@ -2320,7 +2328,96 @@ SelectionDisplay = (function () {
that.stretchLEFT(event);
break;
default:
// nothing to do by default
// if not in any specific mode, then just look for handles to highlight...
var pickRay = Camera.computePickRay(event.x, event.y);
var result = Overlays.findRayIntersection(pickRay);
var pickedColor;
var pickedAlpha;
var highlightNeeded = false;
if (result.intersects) {
switch(result.overlayID) {
case yawHandle:
case pitchHandle:
case rollHandle:
pickedColor = rotateHandleColor;
pickedAlpha = rotateHandleAlpha;
highlightNeeded = true;
break;
case grabberMoveUp:
pickedColor = rotateHandleColor;
pickedAlpha = rotateHandleAlpha;
highlightNeeded = true;
break;
case grabberLBN:
case grabberLBF:
case grabberRBN:
case grabberRBF:
case grabberLTN:
case grabberLTF:
case grabberRTN:
case grabberRTF:
pickedColor = grabberColorCorner;
pickedAlpha = grabberAlpha;
highlightNeeded = true;
break;
case grabberTOP:
case grabberBOTTOM:
case grabberLEFT:
case grabberRIGHT:
case grabberNEAR:
case grabberFAR:
pickedColor = grabberColorFace;
pickedAlpha = grabberAlpha;
highlightNeeded = true;
break;
case grabberEdgeTR:
case grabberEdgeTL:
case grabberEdgeTF:
case grabberEdgeTN:
case grabberEdgeBR:
case grabberEdgeBL:
case grabberEdgeBF:
case grabberEdgeBN:
case grabberEdgeNR:
case grabberEdgeNL:
case grabberEdgeFR:
case grabberEdgeFL:
pickedColor = grabberColorEdge;
pickedAlpha = grabberAlpha;
highlightNeeded = true;
break;
default:
if (previousHandle) {
Overlays.editOverlay(previousHandle, { color: previousHandleColor, alpha: previousHandleAlpha });
previousHandle = false;
}
break;
}
if (highlightNeeded) {
if (previousHandle) {
Overlays.editOverlay(previousHandle, { color: previousHandleColor, alpha: previousHandleAlpha });
previousHandle = false;
}
Overlays.editOverlay(result.overlayID, { color: highlightedHandleColor, alpha: highlightedHandleAlpha });
previousHandle = result.overlayID;
previousHandleColor = pickedColor;
previousHandleAlpha = pickedAlpha;
}
} else {
if (previousHandle) {
Overlays.editOverlay(previousHandle, { color: previousHandleColor, alpha: previousHandleAlpha });
previousHandle = false;
}
}
return false;
}
return true;