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update controls for widget rotation/panning/bg image

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This commit is contained in:
Nick Fisher
2022-09-05 12:39:17 +10:00
parent 0ac25b32e3
commit 060df5f16e
1 changed files with 44 additions and 26 deletions
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70
lib/gesture_detecting_filament_view.dart
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@@ -2,9 +2,15 @@ import 'package:flutter/material.dart';
import 'filament_controller.dart';
import 'filament_widget.dart';
class GestureDetectingFilamentView extends StatefulWidget {
final FilamentController controller;
enum GestureType {
RotateCamera,
PanCamera,
PanBackground
}
class GestureDetectingFilamentView extends StatefulWidget {
final FilamentController controller;
final bool showControls;
const GestureDetectingFilamentView(
@@ -17,7 +23,15 @@ class GestureDetectingFilamentView extends StatefulWidget {
class _GestureDetectingFilamentViewState
extends State<GestureDetectingFilamentView> {
bool _rotate = false;
GestureType gestureType = GestureType.PanCamera;
final _icons = {
GestureType.PanBackground:Icons.image,
GestureType.PanCamera:Icons.pan_tool,
GestureType.RotateCamera:Icons.rotate_90_degrees_ccw
};
late Future Function(double x, double y) _functionStart;
late Future Function(double x, double y) _functionUpdate;
late Future Function() _functionEnd;
@@ -31,14 +45,27 @@ class _GestureDetectingFilamentViewState
}
void _setFunction() {
if (_rotate) {
_functionStart = widget.controller.rotateStart;
_functionUpdate = widget.controller.rotateUpdate;
_functionEnd = widget.controller.rotateEnd;
} else {
_functionStart = widget.controller.panStart;
_functionUpdate = widget.controller.panUpdate;
_functionEnd = widget.controller.panEnd;
switch(gestureType) {
case GestureType.RotateCamera:
_functionStart = widget.controller.rotateStart;
_functionUpdate = widget.controller.rotateUpdate;
_functionEnd = widget.controller.rotateEnd;
break;
case GestureType.PanCamera:
_functionStart = widget.controller.panStart;
_functionUpdate = widget.controller.panUpdate;
_functionEnd = widget.controller.panEnd;
break;
case GestureType.PanBackground:
_functionStart = (x,y) async {
};
_functionUpdate = (x,y) async {
// print("Updating ${");
};
_functionEnd = () async {
};
}
}
@@ -62,7 +89,6 @@ class _GestureDetectingFilamentViewState
if (d.pointerCount == 2) {
// _lastScale = d.
} else {
// print("start ${d.focalPoint}");
_functionStart(d.focalPoint.dx, d.focalPoint.dy);
}
},
@@ -70,7 +96,6 @@ class _GestureDetectingFilamentViewState
if (d.pointerCount == 2) {
_lastScale = 0;
} else {
// print("end ${d.velocity}");
_functionEnd();
}
},
@@ -79,17 +104,11 @@ class _GestureDetectingFilamentViewState
if (_lastScale == 0) {
_lastScale = d.scale;
} else {
// var zoomFactor = ;
// if(zoomFactor < 0) {
// zoomFactor *= 10;
// }
// print(zoomFactor);
print(d.horizontalScale);
// print(d.focalPoint.dx);
widget.controller.zoom(d.scale > 1 ? 10 : -10);
widget.controller.zoom(d.scale > 1 ? 5 : -5);
}
} else {
// print("update ${d.focalPoint}");
print(d.focalPointDelta);
_functionUpdate(d.focalPoint.dx, d.focalPoint.dy);
}
},
@@ -100,16 +119,15 @@ class _GestureDetectingFilamentViewState
child: GestureDetector(
onTap: () {
setState(() {
_rotate = !_rotate;
var curIdx = GestureType.values.indexOf(gestureType);
var nextIdx = curIdx == GestureType.values.length - 1 ? 0 : curIdx + 1 ;
gestureType = GestureType.values[nextIdx];
_setFunction();
});
},
child: Container(
padding: const EdgeInsets.all(50),
child: Icon(Icons.rotate_90_degrees_ccw,
color: _rotate
? Colors.white
: Colors.white.withOpacity(0.5))),
child: Icon(_icons[gestureType], color:Colors.green)),
))
: Container()
]);