From 3f8b3ea65df956c23b397913561cc8ebe5403c6e Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Fri, 10 Nov 2023 16:31:53 -0600
Subject: implement vision

---
 src/simulation/senses.js | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/simulation/senses.js b/src/simulation/senses.js
index 87115db..bcfe9df 100644
--- a/src/simulation/senses.js
+++ b/src/simulation/senses.js
@@ -79,26 +79,30 @@ function vision_pos_to_world_pos(world, agent, x, y) {
     case 's':
       return [agent.x - dx, agent.y - dy];
     case 'e':
-      return [agent.x + dy, agent.y - dx];
+      return [agent.x - dy, agent.y - dx];
     case 'w':
-      return [agent.x - dy, agent.y + dx];
+      return [agent.x + dy, agent.y + dx];
   }
 }
 
 function world_pos_to_vision_idx(world, agent, x, y) {
   const [vx, vy] = world_pos_to_vision_pos(world, agent, x, y);
-  console.log('vision pos', vx, vy);
   return (VIS_WIDTH * vy) + vx;
 }
 function vision_idx_to_world_pos(world, agent, idx) {
   const vx = idx % VIS_WIDTH;
   const vy = Math.floor(idx / VIS_WIDTH);
-  return vision_pos_to_world_pos(world, agent, vx, vy);
+  const result = vision_pos_to_world_pos(world, agent, vx, vy);
+  console.log([agent.x, agent.y], vx, vy, result);
+  return result;
 }
 
 function see_cell(world, x, y) {
   const team = 0;
   const orientation = 0;
+  if (!world.lattice[y][x]) {
+    throw new Error(`${x}, ${y}`);
+  }
   const type = {
     active:   -0.8,
     mutable:  -0.4,
@@ -150,7 +154,6 @@ const see = {
     const vision = [...Array(VIS_WIDTH*VIS_HEIGHT).keys()]
       .map(idx => {
         const [x, y] = vision_idx_to_world_pos(world, agent, idx);
-        console.log(x, y, idx);
         return see_cell(world, x, y);
       });
     return world.agents.reduce(
-- 
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