Update vector_math (#4201)

The new version has an API change. Also, up our SDK requirements to be a
bit more realistic.

packages/flutter/lib/src/material/text_selection.dart

@@ -175,14 +175,14 @@ Widget buildTextSelectionHandle(
   switch (type) {
     case TextSelectionHandleType.left:  // points up-right
       return new Transform(
-        transform: new Matrix4.identity().rotateZ(math.PI / 2.0),
+        transform: new Matrix4.rotationZ(math.PI / 2.0),
         child: handle
       );
     case TextSelectionHandleType.right:  // points up-left
       return handle;
     case TextSelectionHandleType.collapsed:  // points up
       return new Transform(
-        transform: new Matrix4.identity().rotateZ(math.PI / 4.0),
+        transform: new Matrix4.rotationZ(math.PI / 4.0),
         child: handle
       );
   }

packages/flutter/lib/src/rendering/viewport.dart

@@ -192,7 +192,7 @@ class RenderViewportBase extends RenderBox {
   @override
   void applyPaintTransform(RenderBox child, Matrix4 transform) {
     final Offset effectivePaintOffset = _effectivePaintOffset;
-    super.applyPaintTransform(child, transform.translate(effectivePaintOffset.dx, effectivePaintOffset.dy));
+    super.applyPaintTransform(child, transform..translate(effectivePaintOffset.dx, effectivePaintOffset.dy));
   }
 
   @override

packages/flutter/pubspec.yaml

@@ -7,7 +7,7 @@ homepage: http://flutter.io
 dependencies:
   collection: '>=1.4.0 <2.0.0'
   intl: '>=0.12.4+2 <0.13.0'
-  vector_math: '>=1.4.5 <2.0.0'
+  vector_math: '>=2.0.3 <3.0.0'
 
   # We need to pin crypto because archive can't handle larger numbers.
   crypto: 0.9.2
@@ -24,4 +24,4 @@ dev_dependencies:
     path: ../flutter_test
 
 environment:
-  sdk: '>=1.12.0 <2.0.0'
+  sdk: '>=1.16.0 <2.0.0'

packages/flutter/test/widget/transform_test.dart

@@ -29,7 +29,7 @@ void main() {
               width: 100.0,
               height: 100.0,
               child: new Transform(
-                transform: new Matrix4.identity().scale(0.5, 0.5),
+                transform: new Matrix4.diagonal3Values(0.5, 0.5, 1.0),
                 origin: new Offset(100.0, 50.0),
                 child: new GestureDetector(
                   onTap: () {
@@ -78,7 +78,7 @@ void main() {
               width: 100.0,
               height: 100.0,
               child: new Transform(
-                transform: new Matrix4.identity().scale(0.5, 0.5),
+                transform: new Matrix4.diagonal3Values(0.5, 0.5, 1.0),
                 alignment: new FractionalOffset(1.0, 0.5),
                 child: new GestureDetector(
                   onTap: () {
@@ -127,7 +127,7 @@ void main() {
               width: 100.0,
               height: 100.0,
               child: new Transform(
-                transform: new Matrix4.identity().scale(0.5, 0.5),
+                transform: new Matrix4.diagonal3Values(0.5, 0.5, 1.0),
                 origin: new Offset(100.0, 0.0),
                 alignment: new FractionalOffset(0.0, 0.5),
                 child: new GestureDetector(

packages/flutter_driver/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: http://flutter.io
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  sdk: '>=1.12.0 <2.0.0'
+  sdk: '>=1.16.0 <2.0.0'
 
 dependencies:
   file: '^0.1.0'

packages/flutter_sprites/lib/src/node.dart

@@ -413,10 +413,10 @@ class Node {
     if (_parent == null) {
       // Base case, we are at the top
       assert(this == _spriteBox.rootNode);
-      _transformMatrixNodeToBox = new Matrix4.copy(_spriteBox.transformMatrix).multiply(transformMatrix);
+      _transformMatrixNodeToBox = _spriteBox.transformMatrix.clone()..multiply(transformMatrix);
     }
     else {
-      _transformMatrixNodeToBox = new Matrix4.copy(_parent._nodeToBoxMatrix()).multiply(transformMatrix);
+      _transformMatrixNodeToBox = _parent._nodeToBoxMatrix().clone()..multiply(transformMatrix);
     }
     return _transformMatrixNodeToBox;
   }

packages/flutter_sprites/lib/src/node3d.dart

@@ -52,7 +52,7 @@ class Node3D extends Node {
                                      0.0, 1.0, 0.0, 0.0,
                                      0.0, 0.0, 1.0, -1.0/_projectionDepth,
                                      0.0, 0.0, 0.0, 1.0);
-    matrix = matrix.multiply(projection);
+    matrix.multiply(projection);
 
     // Rotate around x and y axis
     matrix.rotateY(radians(_rotationY));

packages/flutter_sprites/lib/src/particle_system.dart

@@ -261,7 +261,7 @@ class ParticleSystem extends Node {
       // Radial acceleration
       Vector2 radial;
         if (particle.pos[0] != 0 || particle.pos[1] != 0) {
-          radial = new Vector2.copy(particle.pos).normalize();
+          radial = new Vector2.copy(particle.pos)..normalize();
         } else {
           radial = new Vector2.zero();
         }
@@ -275,11 +275,11 @@ class ParticleSystem extends Node {
         tangential.scale(particle.accelerations.tangentialAccel);
 
         // (gravity + radial + tangential) * dt
-        final Vector2 accel = (_gravity + radial + tangential).scale(dt);
+        final Vector2 accel = (_gravity + radial + tangential)..scale(dt);
         particle.dir += accel;
       } else if (_gravity[0] != 0.0 || _gravity[1] != 0) {
         // gravity
-        final Vector2 accel = new Vector2.copy(_gravity).scale(dt);
+        final Vector2 accel = _gravity.clone()..scale(dt);
         particle.dir += accel;
       }
 
@@ -334,7 +334,7 @@ class ParticleSystem extends Node {
     double dirRadians = convertDegrees2Radians(direction + directionVar * randomSignedDouble());
     Vector2 dirVector = new Vector2(math.cos(dirRadians), math.sin(dirRadians));
     double speedFinal = speed + speedVar * randomSignedDouble();
-    particle.dir = dirVector.scale(speedFinal);
+    particle.dir = dirVector..scale(speedFinal);
 
     // Accelerations
     if (radialAcceleration != 0.0 || radialAccelerationVar != 0.0 ||

packages/flutter_sprites/lib/src/textured_line.dart

@@ -271,14 +271,12 @@ Vector2 _computeMiter(Vector2 lineA, Vector2 lineB) {
 
   double dot = dot2(miter, new Vector2(-lineA[1], lineA[0]));
   if (dot.abs() < 0.1) {
-    miter = _vectorNormal(lineA).normalize();
+    miter = _vectorNormal(lineA)..normalize();
     return miter;
   }
 
   double miterLength = 1.0 / dot;
-  miter = miter.scale(miterLength);
-
-  return miter;
+  return miter..scale(miterLength);
 }
 
 Vector2 _vectorNormal(Vector2 v) {
@@ -287,7 +285,7 @@ Vector2 _vectorNormal(Vector2 v) {
 
 Vector2 _vectorDirection(Vector2 a, Vector2 b) {
   Vector2 result = a - b;
-  return result.normalize();
+  return result..normalize();
 }
 
 List<Vector2> _computeMiterList(List<Vector2> points, bool closed) {

packages/flutter_sprites/pubspec.yaml

@@ -5,7 +5,7 @@ author: Flutter Authors <flutter-dev@googlegroups.com>
 homepage: http://flutter.io
 
 dependencies:
-  box2d: '>=0.2.0 <0.3.0'
+  box2d: '>=0.3.0 <0.4.0'
   flutter:
     path: ../flutter
 

packages/flutter_tools/pubspec.yaml

@@ -5,7 +5,7 @@ homepage: http://flutter.io
 author: Flutter Authors <flutter-dev@googlegroups.com>
 
 environment:
-  sdk: '>=1.12.0 <2.0.0'
+  sdk: '>=1.16.0 <2.0.0'
 
 dependencies:
   archive: ^1.0.20

packages/flx/pubspec.yaml

@@ -10,7 +10,7 @@ dependencies:
   crypto: 0.9.2
 
 environment:
-  sdk: '>=1.12.0 <2.0.0'
+  sdk: '>=1.16.0 <2.0.0'
 
 dev_dependencies:
   flutter_test:

packages/playfair/pubspec.yaml

@@ -13,4 +13,4 @@ dev_dependencies:
     path: ../flutter_test
 
 environment:
-  sdk: '>=1.12.0 <2.0.0'
+  sdk: '>=1.16.0 <2.0.0'