初步优化项目结构

2021-09-26 20:50:13 +08:00
parent f16d031417
commit 29a985e1b1
535 changed files with 366 additions and 359 deletions
--- a/lib/widget_system/widgets/SingleChildRenderObjectWidget/Transform/node3_scale.dart
+++ b/lib/widget_system/widgets/SingleChildRenderObjectWidget/Transform/node3_scale.dart
@@ -0,0 +1,99 @@
+import 'package:flutter/material.dart';
+import 'matrix4_shower.dart';
+
+/// create by 张风捷特烈 on 2020/4/30
+/// contact me by email 1981462002@qq.com
+/// 说明: 
+
+//    {
+//      "widgetId": 78,
+//      "name": '缩放变换diagonal3Values',
+//      "priority": 3,
+//      "subtitle":
+//          "缩放x由R0C0数控制,入参为数值,表示缩放分率\n"
+//          "缩放y由R1C2数控制,入参为数值,表示缩放分率\n"
+//          "缩放z由R2C2数控制,入参为数值,表示缩放分率",
+//    }
+class ScaleTransform extends StatefulWidget {
+  @override
+  _ScaleTransformState createState() => _ScaleTransformState();
+}
+
+class _ScaleTransformState extends State<ScaleTransform> {
+  late Matrix4 _m4;
+  double _x = 1.0;
+  double _y = 1.0;
+  double _z = 1.0;
+
+  @override
+  void initState() {
+    _m4 = Matrix4.identity();
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: <Widget>[
+        Row(
+          mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+          children: <Widget>[_buildTransform(), Matrix4Shower(_m4)],
+        ),
+        _buildSliders()
+      ],
+    );
+  }
+
+  Widget _buildTransform() {
+    _m4 = Matrix4.diagonal3Values(_x, _y, _z);
+    return Transform(
+      transform: _m4,
+      child: Container(
+          color: Colors.cyanAccent,
+          width: 100,
+          height: 100,
+          child: Image.asset(
+            'assets/images/wy_300x200.webp',
+            fit: BoxFit.cover,
+          )),
+    );
+  }
+
+  Widget _buildSliders() => Column(
+    children: <Widget>[
+      Slider(
+          min: -2,
+          max: 2,
+          value: _x,
+          divisions: 360,
+          label: 'x:${_x.toStringAsFixed(1)}',
+          onChanged: (v) {
+            setState(() {
+              _x = v;
+            });
+          }),
+      Slider(
+          min: -2,
+          max: 2,
+          value: _y,
+          divisions: 360,
+          label: 'y:${_y.toStringAsFixed(1)}',
+          onChanged: (v) {
+            setState(() {
+              _y = v;
+            });
+          }),
+      Slider(
+          min: -2,
+          max: 2,
+          value: _z,
+          divisions: 360,
+          label: 'z:${_z.toStringAsFixed(1)}',
+          onChanged: (v) {
+            setState(() {
+              _z = v;
+            });
+          })
+    ],
+  );
+}