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This commit is contained in:
Nick Fisher
2023-04-18 14:17:05 +08:00
parent b70d0a022b
commit 87d1c74c93
12 changed files with 429 additions and 173 deletions
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15
lib/filament_gesture_detector.dart
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@@ -1,4 +1,5 @@
import 'dart:async';
import 'dart:io';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
@@ -35,6 +36,7 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
};
bool _rotating = false;
bool _scaling = false;
// to avoid duplicating code for pan/rotate (panStart, panUpdate, panEnd, rotateStart, rotateUpdate etc)
// we have only a single function for start/update/end.
@@ -100,6 +102,8 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
onScaleStart: !widget.enableControls
? null
: (d) async {
_scaling = true;
print("SCALE START");
if (d.pointerCount == 2) {
await widget.controller.zoomEnd();
await widget.controller.zoomBegin();
@@ -108,6 +112,7 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
onScaleEnd: !widget.enableControls
? null
: (d) async {
_scaling = false;
if (d.pointerCount == 2) {
_lastScale = 0;
await widget.controller.zoomEnd();
@@ -118,8 +123,9 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
: (d) async {
if (d.pointerCount == 2) {
if (_lastScale != 0) {
await widget.controller
.zoomUpdate(100 * (_lastScale - d.scale));
await widget.controller.zoomUpdate(Platform.isIOS
? 1000 * (_lastScale - d.scale)
: 100 * (_lastScale - d.scale));
}
}
_lastScale = d.scale;
@@ -128,6 +134,8 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
onPointerSignal: !widget.enableControls
? null
: (pointerSignal) async {
print("ponter signal");
// scroll-wheel zoom on desktop
if (pointerSignal is PointerScrollEvent) {
_scrollTimer?.cancel();
@@ -146,6 +154,7 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
onPointerDown: !widget.enableControls
? null
: (d) async {
print("piinterodoiwn");
if (d.buttons == kTertiaryButton || _rotating) {
await widget.controller.rotateStart(
d.localPosition.dx, d.localPosition.dy);
@@ -157,6 +166,7 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
onPointerMove: !widget.enableControls
? null
: (d) async {
print("pointermove");
if (d.buttons == kTertiaryButton || _rotating) {
await widget.controller.rotateUpdate(
d.localPosition.dx, d.localPosition.dy);
@@ -168,6 +178,7 @@ class _FilamentGestureDetectorState extends State<FilamentGestureDetector> {
onPointerUp: !widget.enableControls
? null
: (d) async {
print("pointerup");
if (d.buttons == kTertiaryButton || _rotating) {
await widget.controller.rotateEnd();
} else {