1 files changed, 0 insertions, 182 deletions
diff --git a/src/simulation/senses.js b/src/simulation/senses.js
deleted file mode 100644
index 970f86b..0000000
--- a/src/simulation/senses.js
+++ /dev/null
@@ -1,182 +0,0 @@
-'use strict';
-
-
-const frozen = {
-  size: 1,
-  read: (world, agent) => {
-    if (agent.flags.frozen === true) {
-      return [ 1 ];
-    } else {
-      return [ 0 ];
-    }
-  },
-};
-
-
-// add two arrays together element-wise with a scaling factor
-function array_scalesum(a, s, b) {
-  return a.map((x, i) => x + (s*b[i]));
-}
-// determine the square of the distance between two cells
-function lattice_dist2(x0, y0, x1, y1) {
-  if (x0 === x1 && y0 === y1) { return 1; } // not proper distance but avoids divide-by-zero errors c:
-  return ((x0-x1)**2) + ((y0-y1)**2);
-}
-const hear = {
-  size: 8,
-  read: (world, agent) => {
-    const {x, y} = agent;
-    const lattice_sounds = world.lattice
-      .map((row, cy) => row.map((cell, cx) => [ 1/lattice_dist2(x, y, cx, cy), cell ]))
-      .flat()
-      .filter(([scale, cell]) => cell.flags.emit !== undefined)
-      .reduce(
-        (acc, [scale, cell]) => array_scalesum(acc, scale, cell.flags.emit),
-        [0, 0, 0, 0, 0, 0, 0, 0]
-      );
-    const agent_sounds = world.agents
-      .filter(a => a.flags.emit !== undefined)
-      .reduce(
-        (acc, a) => array_scalesum(acc, 1/lattice_dist2(x, y, a.x, a.y), a.flags.emit),
-        [0, 0, 0, 0, 0, 0, 0, 0]
-      );
-
-    return array_scalesum(lattice_sounds, 1, agent_sounds).map(ch => Math.tanh(ch));
-  },
-};
-
-
-const [VIS_WIDTH, VIS_HEIGHT] = [31, 31];
-const [VIS_HWIDTH, VIS_HHEIGHT] = [Math.floor(VIS_WIDTH/2), Math.floor(VIS_HEIGHT/2)];
-function identity_mod(n, p) {
-  const mod = (n % (2*p)) - p + 1;
-  return mod/p;
-}
-
-function world_pos_to_vision_pos(world, agent, x, y) {
-  const dx = x - agent.x;
-  const dy = y - agent.y;
-  const orientation = agent.flags.orientation || 'n';
-  switch (orientation) {
-    case 'n':
-      return [VIS_HWIDTH+dx, VIS_HEIGHT+dy-1];
-    case 's':
-      return [VIS_HWIDTH-dx, VIS_HEIGHT-dy-1];
-    case 'e':
-      return [VIS_HWIDTH+dy, VIS_HEIGHT-dx-1];
-    case 'w':
-      return [VIS_HWIDTH-dy, VIS_HEIGHT+dx-1];
-  }
-}
-
-function vision_pos_to_world_pos(world, agent, x, y) {
-  const dx = x-VIS_HWIDTH;
-  const dy = y-VIS_HEIGHT+1;
-  const orientation = agent.flags.orientation || 'n';
-  switch (orientation) {
-    case 'n':
-      return [agent.x + dx, agent.y + dy];
-    case 's':
-      return [agent.x - dx, agent.y - dy];
-    case 'e':
-      return [agent.x - dy, agent.y - dx];
-    case 'w':
-      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);
-  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);
-  const result = vision_pos_to_world_pos(world, agent, vx, vy);
-  return result;
-}
-
-function see_cell(world, x, y) {
-  const team = 0;
-  const orientation = 0;
-  if (!world.lattice[y] || !world.lattice[y][x]) {
-    // beyond the map edge
-    return [ 0, 0, 0 ];
-  }
-  const type = {
-    active:   -0.8,
-    mutable:  -0.4,
-    empty:     0.0,
-    immutable: 0.4,
-    flag:      0.8,
-  }[world.lattice[y][x].type];
-  return [team, orientation, type];
-}
-
-
-function relative_orientation(viewer, agent) {
-  switch(viewer.flags.orientation) {
-    case 'n': return { n: -0.8, e: -0.4, s: 0.4, w: 0.8 }[agent.flags.orientation];
-    case 'e': return { e: -0.8, s: -0.4, w: 0.4, n: 0.8 }[agent.flags.orientation];
-    case 's': return { s: -0.8, w: -0.4, n: 0.4, e: 0.8 }[agent.flags.orientation];
-    case 'w': return { w: -0.8, n: -0.4, e: 0.4, s: 0.8 }[agent.flags.orientation];
-  }
-}
-
-
-function see_agent(viewer, agent) {
-  const team = {
-    0: -0.8,
-    1: -0.4,
-    2:  0.4,
-    3:  0.8,
-  }[agent.flags.team] + (identity_mod(agent.id, 11)/16);
-  const orientation = relative_orientation(viewer, agent) + (identity_mod(agent.id, 37)/16);
-  const frozen = agent.flags.frozen || agent.flags.pretend_frozen;
-  const type = (() => {
-    if (frozen && agent.flags.flag) {
-      return -0.4;
-    } else if (frozen) {
-      return -0.8;
-    } else if (agent.flags.flag) {
-      return 0.8;
-    } else {
-      return 0.0;
-    }
-  })() + (identity_mod(agent.id, 499)/16);
-  
-  return [team, orientation, type];
-}
-
-
-const see = {
-  size: 3*VIS_WIDTH * VIS_HEIGHT,
-  read: (world, agent) => {
-    const indices = [...Array(VIS_WIDTH*VIS_HEIGHT).keys()]
-    const vision = indices
-      .map(idx => {
-        const [x, y] = vision_idx_to_world_pos(world, agent, idx);
-        return see_cell(world, x, y);
-      });
-    const result = world.agents.reduce(
-      (acc, a) => {
-        const idx = world_pos_to_vision_idx(world, agent, a.x, a.y);
-
-        if (idx < 0 || idx >= VIS_WIDTH*VIS_HEIGHT) {
-          return acc;
-        } else {
-          acc.splice(idx, 1, see_agent(agent, a));
-          return acc;
-        }
-      },
-      vision
-    );
-    return result.flat();
-  },
-};
-
-
-
-export const senses = [
-  frozen, hear, see, { size: 1, read: () => [1] },
-];