@@ -3056,19 +3056,19 @@ var inputmouse = function (require, core, constants) {
30563056 if ( ! this . isMousePressed ) {
30573057 if ( typeof context . mouseMoved === 'function' ) {
30583058 executeDefault = context . mouseMoved ( e ) ;
3059- if ( executeDefault !== undefined && ! executeDefault ) {
3059+ if ( executeDefault === false ) {
30603060 e . preventDefault ( ) ;
30613061 }
30623062 }
30633063 } else {
30643064 if ( typeof context . mouseDragged === 'function' ) {
30653065 executeDefault = context . mouseDragged ( e ) ;
3066- if ( executeDefault !== undefined && ! executeDefault ) {
3066+ if ( executeDefault === false ) {
30673067 e . preventDefault ( ) ;
30683068 }
30693069 } else if ( typeof context . touchMoved === 'function' ) {
30703070 executeDefault = context . touchMoved ( e ) ;
3071- if ( ! executeDefault ) {
3071+ if ( executeDefault === false ) {
30723072 e . preventDefault ( ) ;
30733073 }
30743074 this . _updateTouchCoords ( e ) ;
@@ -3083,12 +3083,12 @@ var inputmouse = function (require, core, constants) {
30833083 this . _setMouseButton ( e ) ;
30843084 if ( typeof context . mousePressed === 'function' ) {
30853085 executeDefault = context . mousePressed ( e ) ;
3086- if ( executeDefault !== undefined && ! executeDefault ) {
3086+ if ( executeDefault === false ) {
30873087 e . preventDefault ( ) ;
30883088 }
30893089 } else if ( typeof context . touchStarted === 'function' ) {
30903090 executeDefault = context . touchStarted ( e ) ;
3091- if ( ! executeDefault ) {
3091+ if ( executeDefault === false ) {
30923092 e . preventDefault ( ) ;
30933093 }
30943094 this . _updateTouchCoords ( e ) ;
@@ -3101,12 +3101,12 @@ var inputmouse = function (require, core, constants) {
31013101 this . _setProperty ( 'mouseIsPressed' , false ) ;
31023102 if ( typeof context . mouseReleased === 'function' ) {
31033103 executeDefault = context . mouseReleased ( e ) ;
3104- if ( executeDefault !== undefined && ! executeDefault ) {
3104+ if ( executeDefault === false ) {
31053105 e . preventDefault ( ) ;
31063106 }
31073107 } else if ( typeof context . touchEnded === 'function' ) {
31083108 executeDefault = context . touchEnded ( e ) ;
3109- if ( ! executeDefault ) {
3109+ if ( executeDefault === false ) {
31103110 e . preventDefault ( ) ;
31113111 }
31123112 this . _updateTouchCoords ( e ) ;
@@ -3116,7 +3116,7 @@ var inputmouse = function (require, core, constants) {
31163116 var context = this . _isGlobal ? window : this ;
31173117 if ( typeof context . mouseClicked === 'function' ) {
31183118 var executeDefault = context . mouseClicked ( e ) ;
3119- if ( executeDefault !== undefined && ! executeDefault ) {
3119+ if ( executeDefault === false ) {
31203120 e . preventDefault ( ) ;
31213121 }
31223122 }
@@ -3125,7 +3125,7 @@ var inputmouse = function (require, core, constants) {
31253125 var context = this . _isGlobal ? window : this ;
31263126 if ( typeof context . mouseWheel === 'function' ) {
31273127 var executeDefault = context . mouseWheel ( e ) ;
3128- if ( ! executeDefault ) {
3128+ if ( executeDefault === false ) {
31293129 e . preventDefault ( ) ;
31303130 }
31313131 }
@@ -3194,12 +3194,12 @@ var inputtouch = function (require, core) {
31943194 this . _updateTouchCoords ( e ) ;
31953195 if ( typeof context . touchStarted === 'function' ) {
31963196 executeDefault = context . touchStarted ( e ) ;
3197- if ( ! executeDefault ) {
3197+ if ( executeDefault === false ) {
31983198 e . preventDefault ( ) ;
31993199 }
32003200 } else if ( typeof context . mousePressed === 'function' ) {
32013201 executeDefault = context . mousePressed ( e ) ;
3202- if ( ! executeDefault ) {
3202+ if ( executeDefault === false ) {
32033203 e . preventDefault ( ) ;
32043204 }
32053205 }
@@ -3210,12 +3210,12 @@ var inputtouch = function (require, core) {
32103210 this . _updateTouchCoords ( e ) ;
32113211 if ( typeof context . touchMoved === 'function' ) {
32123212 executeDefault = context . touchMoved ( e ) ;
3213- if ( ! executeDefault ) {
3213+ if ( executeDefault === false ) {
32143214 e . preventDefault ( ) ;
32153215 }
32163216 } else if ( typeof context . mouseDragged === 'function' ) {
32173217 executeDefault = context . mouseDragged ( e ) ;
3218- if ( ! executeDefault ) {
3218+ if ( executeDefault === false ) {
32193219 e . preventDefault ( ) ;
32203220 }
32213221 this . _updateMouseCoords ( e ) ;
@@ -3226,12 +3226,12 @@ var inputtouch = function (require, core) {
32263226 var executeDefault ;
32273227 if ( typeof context . touchEnded === 'function' ) {
32283228 executeDefault = context . touchEnded ( e ) ;
3229- if ( ! executeDefault ) {
3229+ if ( executeDefault === false ) {
32303230 e . preventDefault ( ) ;
32313231 }
32323232 } else if ( typeof context . mouseReleased === 'function' ) {
32333233 executeDefault = context . mouseReleased ( e ) ;
3234- if ( ! executeDefault ) {
3234+ if ( executeDefault === false ) {
32353235 e . preventDefault ( ) ;
32363236 }
32373237 this . _updateMouseCoords ( e ) ;
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