avant que je parte

tp2/lib/exo2.dart

@@ -32,7 +32,10 @@ class _Exo2 extends State<Exo2> {
               child: LayoutBuilder(
                 builder: (context, constraints) {
                   return Transform(
-                    transform: Matrix4.skewY(ry)
+                    alignment: Alignment.center,
+                    transform: Matrix4.zero()
+                        ..rotateX(rx)
+                        ..rotateY(ry)
                         ..rotateZ(rz),
                     child: Center(child: Image.network('https://picsum.photos/512/1024',
                         width: constraints.maxHeight,
@@ -44,6 +47,8 @@ class _Exo2 extends State<Exo2> {
               ),
             ),
             Slider(
+              min: 0,
+              max: 2 * math.pi,
               value: rx,
               label: rx.round().toString(),
               onChanged: (double value) {
@@ -53,6 +58,8 @@ class _Exo2 extends State<Exo2> {
               },
             ),
             Slider(
+              min: 0,
+              max: 2 * math.pi,
               value: ry,
               label: ry.round().toString(),
               onChanged: (double value) {
@@ -61,6 +68,8 @@ class _Exo2 extends State<Exo2> {
                 });
               },
             ),Slider(
+              min: 0,
+              max: 2 * math.pi,
               value: rz,
               label: rz.round().toString(),
               onChanged: (double value) {