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OrthographicTrackballControls: use epsilon for floating-point comparison

Max Smolens 10 years ago
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0bdfcf593a
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4ba7915e5c
1 changed files with 1 additions and 1 deletions
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      examples/js/controls/OrthographicTrackballControls.js

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examples/js/controls/OrthographicTrackballControls.js
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@@ -233,7 +233,7 @@ THREE.OrthographicTrackballControls = function ( object, domElement ) {
 
 
 			var factor = 1.0 + ( _zoomEnd.y - _zoomStart.y ) * _this.zoomSpeed;
 
 
-			if ( factor !== 1.0 && factor > 0.0 ) {
 
+			if ( Math.abs( factor - 1.0 ) > EPS && factor > 0.0 ) {
 
 				_zoomFactor *= factor;
 
 
 				_this.object.left = _zoomFactor * _this.left0 + ( 1 - _zoomFactor ) *  _this.center0.x;