refactor: body vertices

packages/physics/abstract/body.js

@@ -4,6 +4,7 @@ const decorate = compose(
   virtualize([
     'applyForce',
     'applyImpulse',
+    'vertices',
   ]),
 );
 

packages/physics/matter/body.js

@@ -148,4 +148,12 @@ export class Body extends AbstractBody {
     MatterBody.setStatic(this.matterBody, isStatic);
   }
 
+  get vertices() {
+    const vertices = [];
+    for (const {x, y} of this.matterBody.vertices) {
+      vertices.push([x, y]);
+    }
+    return vertices;
+  }
+
 }