Move from Position to Vector2

lib/sprite.dart

@@ -1,9 +1,12 @@
 import 'dart:ui';
 
 import 'dart:async';
+
+import 'package:vector_math/vector_math_64.dart';
+
 import 'flame.dart';
-import 'position.dart';
 import 'palette.dart';
+import 'vector.dart';
 
 class Sprite {
   Paint paint = BasicPalette.white.paint;
@@ -62,15 +65,15 @@ class Sprite {
 
   double get _imageHeight => image.height.toDouble();
 
-  Position get originalSize {
+  Vector2 get originalSize {
     if (!loaded()) {
       return null;
     }
-    return Position(_imageWidth, _imageHeight);
+    return Vector2(_imageWidth, _imageHeight);
   }
 
-  Position get size {
-    return Position(src.width, src.height);
+  Vector2 get size {
+    return Vector2(src.width, src.height);
   }
 
   /// Renders this Sprite on the position [p], scaled by the [scale] factor provided.
@@ -78,22 +81,21 @@ class Sprite {
   /// It renders with src size multiplied by [scale] in both directions.
   /// Anchor is on top left as default.
   /// If not loaded, does nothing.
-  void renderScaled(Canvas canvas, Position p,
+  void renderScaled(Canvas canvas, Vector2 p,
       {double scale = 1.0, Paint overridePaint}) {
     if (!loaded()) {
       return;
     }
-    renderPosition(canvas, p,
-        size: size.times(scale), overridePaint: overridePaint);
+    renderPosition(canvas, p, size: size * scale, overridePaint: overridePaint);
   }
 
-  void renderPosition(Canvas canvas, Position p,
-      {Position size, Paint overridePaint}) {
+  void renderPosition(Canvas canvas, Vector2 p,
+      {Vector2 size, Paint overridePaint}) {
     if (!loaded()) {
       return;
     }
     size ??= this.size;
-    renderRect(canvas, Position.rectFrom(p, size),
+    renderRect(canvas, VectorUtil.rectFrom(p, size),
         overridePaint: overridePaint);
   }
 
@@ -112,8 +114,8 @@ class Sprite {
   ///
   /// If [size] is not provided, the original size of the src image is used.
   /// If the asset is not yet loaded, it does nothing.
-  void renderCentered(Canvas canvas, Position p,
-      {Position size, Paint overridePaint}) {
+  void renderCentered(Canvas canvas, Vector2 p,
+      {Vector2 size, Paint overridePaint}) {
     if (!loaded()) {
       return;
     }