From ecb288b5d65f3205e7d22f4299231da79721a3d0 Mon Sep 17 00:00:00 2001
From: cha0s <git@cha0s.io>
Date: Sun, 28 Mar 2021 16:33:08 -0500
Subject: [PATCH] refactor: smooth

---
 packages/math/src/vertice.js            | 15 +++------------
 packages/topdown/src/resources/tiles.js | 12 +++++++++---
 2 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/packages/math/src/vertice.js b/packages/math/src/vertice.js
index 6b6acc7..4f9a3f5 100644
--- a/packages/math/src/vertice.js
+++ b/packages/math/src/vertice.js
@@ -191,7 +191,7 @@ export function removeCollinear(vs) {
   return trimmed;
 }
 
-export function smooth(sorted) {
+export function smooth(sorted, angle) {
   const smoothed = [];
   if (0 === sorted.length) {
     return [];
@@ -202,17 +202,8 @@ export function smooth(sorted) {
     const f = Vector.sub(sorted[i + 1], sorted[i]);
     const g = Vector.sub(sorted[i + 2], sorted[i + 1]);
     const o = Math.atan2(Vector.cross(f, g), Vector.dot(f, g));
-    if (Math.abs(o) === Math.PI / 2 || Math.abs(o) === Math.PI / 4) {
-      const h = Vector.add(sorted[i + 1], Vector.scale(Vector.sub(g, f), 0.5));
-      // eslint-disable-next-line no-use-before-define
-      if (0 === windingNumber(h, sorted)) {
-        sorted.splice(i + 1, 1);
-        i -= 1;
-      }
-      else {
-        smoothed.push(sorted[i]);
-        i += 1;
-      }
+    if (Math.abs(o) === angle) {
+      sorted.splice(i + 1, 1);
     }
     else {
       smoothed.push(sorted[i]);
diff --git a/packages/topdown/src/resources/tiles.js b/packages/topdown/src/resources/tiles.js
index fc7ccb1..e3e15b5 100644
--- a/packages/topdown/src/resources/tiles.js
+++ b/packages/topdown/src/resources/tiles.js
@@ -73,9 +73,15 @@ export default (latus) => {
                 }
               }
               const hull = Vertice.removeCollinear(
-                Vertice.ortho(
-                  Vertice.unique(body),
-                  2,
+                Vertice.smooth(
+                  Vertice.smooth(
+                    Vertice.ortho(
+                      Vertice.unique(body),
+                      2,
+                    ),
+                    Math.PI / 2,
+                  ),
+                  Math.PI / 4,
                 ),
               );
               for (let i = 0; i < hull.length; i++) {