refactor: BodyView renders vertices not aabb

packages/physics/body-view.js

@@ -7,27 +7,36 @@ export class BodyView extends Renderable {
     super();
     this.body = body;
     this.primitives = new Primitives();
-    this.redrawAabb();
+    this.redraw();
   }
 
   get internal() {
     return this.primitives.internal;
   }
 
-  redrawAabb() {
-    const aabb = this.body.aabb;
-    this.primitives.clear();
-    const xMiddle = aabb[0] + (aabb[2] / 2);
-    this.primitives.drawLine(
-      [xMiddle, aabb[1]],
-      [xMiddle, aabb[1] + (aabb[3] - 0.0001)],
-      Primitives.lineStyle(new Color(255, 255, 0), 0.5)
-    );
-    const yMiddle = aabb[1] + (aabb[3] / 2);
-    this.primitives.drawLine(
-      [aabb[0], yMiddle],
-      [aabb[0] + (aabb[2] -0.0001), yMiddle],
-      Primitives.lineStyle(new Color(255, 255, 0), 0.5)
+  redraw() {
+    const primitives = this.primitives;
+    const vertices = this.body.vertices;
+    primitives.clear();
+    let firstVertice;
+    let lastVertice;
+    for (const vertice of vertices) {
+      if (!firstVertice) {
+        firstVertice = vertice;
+      }
+      if (lastVertice) {
+        primitives.drawLine(
+          lastVertice,
+          vertice,
+          Primitives.lineStyle(new Color(255, 255, 0), 0.5),
+        );
+      }
+      lastVertice = vertice;
+    }
+    primitives.drawLine(
+      lastVertice,
+      firstVertice,
+      Primitives.lineStyle(new Color(255, 255, 0), 0.5),
     );
   }