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Merge pull request #452 from PathXL/flick-after-rotate-fix

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Fixes incorrect flick direction after image is rotated.
This commit is contained in:
iangilman 2014-08-07 10:03:12 -07:00
commit c9c973276f
1 changed files with 2 additions and 2 deletions
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4
src/viewer.js
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@ -2377,8 +2377,8 @@ function onCanvasDragEnd( event ) {
if ( !event.preventDefaultAction && this.viewport ) { if ( !event.preventDefaultAction && this.viewport ) {
gestureSettings = this.gestureSettingsByDeviceType( event.pointerType ); gestureSettings = this.gestureSettingsByDeviceType( event.pointerType );
if ( gestureSettings.flickEnabled && event.speed >= gestureSettings.flickMinSpeed ) { if ( gestureSettings.flickEnabled && event.speed >= gestureSettings.flickMinSpeed ) {
var amplitudeX = gestureSettings.flickMomentum * ( event.speed * Math.cos( event.direction ) ), var amplitudeX = gestureSettings.flickMomentum * ( event.speed * Math.cos( event.direction - (Math.PI / 180 * this.viewport.degrees) ) ),
amplitudeY = gestureSettings.flickMomentum * ( event.speed * Math.sin( event.direction ) ), amplitudeY = gestureSettings.flickMomentum * ( event.speed * Math.sin( event.direction - (Math.PI / 180 * this.viewport.degrees) ) ),
center = this.viewport.pixelFromPoint( this.viewport.getCenter( true ) ), center = this.viewport.pixelFromPoint( this.viewport.getCenter( true ) ),
target = this.viewport.pointFromPixel( new $.Point( center.x - amplitudeX, center.y - amplitudeY ) ); target = this.viewport.pointFromPixel( new $.Point( center.x - amplitudeX, center.y - amplitudeY ) );
if( !this.panHorizontal ) { if( !this.panHorizontal ) {