From 6bf4b90c90f15f4ab60833bddf5b5756d1a6b1f6 Mon Sep 17 00:00:00 2001
From: Elizabeth Alexander Hunt <me@liz.coffee>
Date: Thu, 2 Jul 2026 11:55:17 -0700
Subject: Init

---
 Homework/cs5410/bbiy/src/utils/clamp.js            |  6 ++
 Homework/cs5410/bbiy/src/utils/loadLevel.js        | 87 ++++++++++++++++++++++
 .../cs5410/bbiy/src/utils/objectEquivalence.js     | 14 ++++
 Homework/cs5410/bbiy/src/utils/randInRange.js      |  4 +
 Homework/cs5410/bbiy/src/utils/unitizeVector.js    | 11 +++
 5 files changed, 122 insertions(+)
 create mode 100644 Homework/cs5410/bbiy/src/utils/clamp.js
 create mode 100644 Homework/cs5410/bbiy/src/utils/loadLevel.js
 create mode 100644 Homework/cs5410/bbiy/src/utils/objectEquivalence.js
 create mode 100644 Homework/cs5410/bbiy/src/utils/randInRange.js
 create mode 100644 Homework/cs5410/bbiy/src/utils/unitizeVector.js

(limited to 'Homework/cs5410/bbiy/src/utils')

diff --git a/Homework/cs5410/bbiy/src/utils/clamp.js b/Homework/cs5410/bbiy/src/utils/clamp.js
new file mode 100644
index 0000000..b0da861
--- /dev/null
+++ b/Homework/cs5410/bbiy/src/utils/clamp.js
@@ -0,0 +1,6 @@
+const clamp = (vector, maxX, maxY) => {
+  const newVector = {...vector};
+  newVector.x = Math.max(0, Math.min(maxX, vector.x));
+  newVector.y = Math.max(0, Math.min(maxY, vector.y));
+  return newVector;
+};
diff --git a/Homework/cs5410/bbiy/src/utils/loadLevel.js b/Homework/cs5410/bbiy/src/utils/loadLevel.js
new file mode 100644
index 0000000..3bd86d9
--- /dev/null
+++ b/Homework/cs5410/bbiy/src/utils/loadLevel.js
@@ -0,0 +1,87 @@
+game.loadLevel = (level) => {
+  const entities = {};
+  const config = {...level.gridSize};
+  for (let y = 0; y < level.gridSize.yDim; y++) {
+    for (let x = 0; x < level.gridSize.xDim; x++) {
+      const cell = level.level[y][x];
+      cell.forEach((letter) => {
+        let entity;
+        switch (letter) {
+          case 'b':
+            entity = game.createBigBlue();
+            break;
+          case 'h':
+            entity = game.createHedge();
+            break;
+          case 'r':
+            entity = game.createRock();
+            break;
+          case 'f':
+            entity = game.createFlag();
+            break;
+          case 'g':
+            entity = game.createGrass();
+            break;
+          case 'l':
+            entity = game.createFloor();
+            break;
+          case 'w':
+            entity = game.createWall();
+            break;
+          case 'a':
+            entity = game.createWater();
+            break;
+          case 'A':
+            entity = game.createWordWater();
+            break;
+          case 'N':
+            entity = game.createWordSink();
+            break;
+          case 'V':
+            entity = game.createWordLava();
+            break;
+          case 'v':
+            entity = game.createLava();
+            break;
+          case 'K':
+            entity = game.createWordKill();
+            break;
+          case 'W':
+            entity = game.createWordWall();
+            break;
+          case 'I':
+            entity = game.createWordIs();
+            break;
+          case 'S':
+            entity = game.createWordStop();
+            break;
+          case 'R':
+            entity = game.createWordRock();
+            break;
+          case 'P':
+            entity = game.createWordPush();
+            break;
+          case 'B':
+            entity = game.createWordBigBlue();
+            break;
+          case 'Y':
+            entity = game.createWordYou();
+            break;
+          case 'F':
+            entity = game.createWordFlag();
+            break;
+          case 'X':
+            entity = game.createWordWin();
+            break;
+          default:
+            break;
+        }
+        if (entity) {
+          entity.addComponent(game.components.GridPosition({x, y}));
+          entities[entity.id] = entity;
+        }
+      });
+    }
+  }
+  return [entities, config];
+};
\ No newline at end of file
diff --git a/Homework/cs5410/bbiy/src/utils/objectEquivalence.js b/Homework/cs5410/bbiy/src/utils/objectEquivalence.js
new file mode 100644
index 0000000..e33dd76
--- /dev/null
+++ b/Homework/cs5410/bbiy/src/utils/objectEquivalence.js
@@ -0,0 +1,14 @@
+const equivalence = (obj1, obj2) => {
+  if (obj1 === null) {
+    return obj1 === null;
+  }
+  return Object.keys(obj1).every(key => {
+    if (obj2[key] === undefined) {
+      return false;
+    }
+    if (typeof obj1[key] === 'object') {
+      return equivalence(obj1[key], obj2[key]);
+    }
+    return obj1[key] === obj2[key];
+  });
+};
diff --git a/Homework/cs5410/bbiy/src/utils/randInRange.js b/Homework/cs5410/bbiy/src/utils/randInRange.js
new file mode 100644
index 0000000..528221a
--- /dev/null
+++ b/Homework/cs5410/bbiy/src/utils/randInRange.js
@@ -0,0 +1,4 @@
+const randomInRange = (min, max) => {
+  // min <= random number <= max
+  return Math.floor(Math.random() * (max - min + 1)) + min;
+}
\ No newline at end of file
diff --git a/Homework/cs5410/bbiy/src/utils/unitizeVector.js b/Homework/cs5410/bbiy/src/utils/unitizeVector.js
new file mode 100644
index 0000000..6297ca8
--- /dev/null
+++ b/Homework/cs5410/bbiy/src/utils/unitizeVector.js
@@ -0,0 +1,11 @@
+const unitize = (vector) => {
+  // Not *technically* a unit vector, but has x,y components of |magnitude| = 1
+  Object.keys(vector).forEach((key) => {
+    if (typeof vector[key] === 'object') {
+      vector[key] = vector[key].unitize();
+    } else if (typeof vector[key] === 'number') {
+      vector[key] = (vector[key] === 0 ? 0 : vector[key] / Math.abs(vector[key]));
+    }
+  });
+  return vector;
+}
\ No newline at end of file
-- 
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