TouchScreen – Multi-Touch.

[AmonParticipant]

Can anyone provide a multi-touch example?

I basically need to be able to press on the touchscreen the left and right arrows of my game and also be able to tap the jump button on the screen to jump at the same time.

I checked the example in bananas but I’m way off understanding how it does what it does. Is there an easier/better example?

Thanks.

[APCParticipant]

Amon,

There is a simple example in the Monkey2 bananas folder called touchtest.

You can detect more than 2 fingers touching the screen.

 

Here is the code

Monkey

Namespace myapp #Import "<std>" #Import "<mojo>" Using std.. Using mojo.. Class MyWindow Extends Window Field gesturing:Bool Field g0:AffineMat3f Method New( title:String="Simple mojo app",width:Int=640,height:Int=480,flags:WindowFlags=Null ) Super.New( title,width,height,flags ) End Method GestureMatrix:AffineMat3f( p0:Vec2f,p1:Vec2f ) Local d:=p1-p0,r:=-ATan2( d.y,d.x ),s:=d.Length Return New AffineMat3f().Translate( p0 ).Rotate( r ).Scale( s,s ) End Method OnRender( canvas:Canvas ) Override App.RequestRender() Local gmatrix:=New AffineMat3f If Not gesturing And Touch.FingerDown( 0 ) And Touch.FingerDown( 1 ) 'begin gesturing g0=-GestureMatrix( Touch.FingerLocation( 0 ),Touch.FingerLocation( 1 ) ) gesturing=True Endif If gesturing And Touch.FingerDown( 0 ) And Touch.FingerDown( 1 ) 'gesturing... gmatrix=GestureMatrix( Touch.FingerLocation( 0 ),Touch.FingerLocation( 1 ) ) * g0 Else If gesturing 'end gesturing gesturing=False Endif canvas.PushMatrix() canvas.Matrix=gmatrix For Local i:=0 Until 8 For Local j:=0 Until 8 canvas.Color= (i~j)&1 ? Color.Yellow Else Color.Grey canvas.DrawRect( New Recti( i*Width/8,j*Height/8,(i+1)*Width/8,(j+1)*Height/8 ) ) Next Next canvas.PopMatrix() canvas.Color=Color.White canvas.Scale( 2,2 ) For Local i:=0 Until 10 canvas.DrawText( "Finger "+i+": down="+Int( Touch.FingerDown(i) )+", location="+Touch.FingerLocation(i)+", pressure="+Touch.FingerPressure(i),0,i*canvas.Font.Height ) Next End End Function Main() New AppInstance New MyWindow App.Run() End

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Namespace myapp   #Import "<std>" #Import "<mojo>"   Using std.. Using mojo..   Class MyWindow Extends Window   Field gesturing:Bool Field g0:AffineMat3f Method New( title:String="Simple mojo app",width:Int=640,height:Int=480,flags:WindowFlags=Null )   Super.New( title,width,height,flags ) End Method GestureMatrix:AffineMat3f( p0:Vec2f,p1:Vec2f ) Local d:=p1-p0,r:=-ATan2( d.y,d.x ),s:=d.Length Return New AffineMat3f().Translate( p0 ).Rotate( r ).Scale( s,s ) End   Method OnRender( canvas:Canvas ) Override App.RequestRender()   Local gmatrix:=New AffineMat3f If Not gesturing And Touch.FingerDown( 0 ) And Touch.FingerDown( 1 ) 'begin gesturing g0=-GestureMatrix( Touch.FingerLocation( 0 ),Touch.FingerLocation( 1 ) ) gesturing=True Endif If gesturing And Touch.FingerDown( 0 ) And Touch.FingerDown( 1 ) 'gesturing... gmatrix=GestureMatrix( Touch.FingerLocation( 0 ),Touch.FingerLocation( 1 ) ) * g0 Else If gesturing 'end gesturing gesturing=False Endif canvas.PushMatrix() canvas.Matrix=gmatrix For Local i:=0 Until 8 For Local j:=0 Until 8 canvas.Color= (i~j)&1 ? Color.Yellow Else Color.Grey canvas.DrawRect( New Recti( i*Width/8,j*Height/8,(i+1)*Width/8,(j+1)*Height/8 ) ) Next Next canvas.PopMatrix() canvas.Color=Color.White canvas.Scale( 2,2 ) For Local i:=0 Until 10 canvas.DrawText( "Finger "+i+": down="+Int( Touch.FingerDown(i) )+", location="+Touch.FingerLocation(i)+", pressure="+Touch.FingerPressure(i),0,i*canvas.Font.Height ) Next End End   Function Main()   New AppInstance New MyWindow App.Run() End

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