1.8.4

check_i18n.js

@@ -0,0 +1,37 @@
+
+const fs = require('fs');
+
+const fileContent = fs.readFileSync('src/composables/useI18n.js', 'utf8');
+
+// Extract the messages object
+const match = fileContent.match(/const messages = ({[\s\S]*?});/);
+if (!match) {
+  console.error('Could not find messages object');
+  process.exit(1);
+}
+
+// We need to make the string valid JS to eval it.
+// It seems the content inside `const messages = { ... };` is valid JS object notation.
+// But we need to be careful about imports or other things if we were to `eval` the whole file.
+// We'll just `eval` the object part.
+
+const messagesStr = match[1];
+const messages = eval(`(${messagesStr})`);
+
+const enKeys = Object.keys(messages.en);
+const languages = Object.keys(messages);
+
+const missing = {};
+
+languages.forEach(lang => {
+  if (lang === 'en') return;
+  
+  const langKeys = Object.keys(messages[lang]);
+  const missingKeys = enKeys.filter(k => !langKeys.includes(k));
+  
+  if (missingKeys.length > 0) {
+    missing[lang] = missingKeys;
+  }
+});
+
+console.log(JSON.stringify(missing, null, 2));

difficulty_simulation_results.csv

@@ -0,0 +1,118 @@
+size,density,avg_solved_percent,min_solved_percent,max_solved_percent,avg_time_ms
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+35,0.8,100.00,100.00,100.00,0.33
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+40,0.7,99.99,99.75,100.00,0.84
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+40,0.9,100.00,100.00,100.00,0.24
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+45,0.5,1.44,0.40,5.14,0.96
+45,0.6,81.72,6.02,100.00,5.28
+45,0.7,99.94,99.41,100.00,1.28
+45,0.8,100.00,100.00,100.00,0.64
+45,0.9,100.00,100.00,100.00,0.30
+50,0.1,1.70,0.00,5.92,0.20
+50,0.2,0.00,0.00,0.00,0.23
+50,0.3,0.00,0.00,0.00,0.30
+50,0.4,0.01,0.00,0.16,0.38
+50,0.5,0.51,0.00,1.80,0.90
+50,0.6,73.26,5.60,100.00,7.94
+50,0.7,99.96,99.76,100.00,1.63
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+60,0.7,99.97,99.83,100.00,2.96
+60,0.8,100.00,100.00,100.00,1.27
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+70,0.5,0.04,0.00,0.29,1.49
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+70,0.7,99.97,99.73,100.00,4.92
+70,0.8,100.00,99.92,100.00,2.03
+70,0.9,100.00,100.00,100.00,0.89
+80,0.1,0.00,0.00,0.00,0.44
+80,0.2,0.00,0.00,0.00,0.78
+80,0.3,0.00,0.00,0.00,1.07
+80,0.4,0.00,0.00,0.00,1.34
+80,0.5,0.01,0.00,0.08,1.97
+80,0.6,1.21,0.41,2.30,3.92
+80,0.7,99.98,99.94,100.00,7.79
+80,0.8,100.00,100.00,100.00,3.14
+80,0.9,100.00,100.00,100.00,1.31

difficulty_simulation_results.json

@@ -0,0 +1,938 @@
+[
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+    "avgTime": 0.21904799999999797
+  },
+  {
+    "size": 35,
+    "density": 0.5,
+    "avgSolved": 4.424489795918367,
+    "minSolved": 0.40816326530612246,
+    "maxSolved": 23.183673469387756,
+    "avgTime": 0.5596769500000022
+  },
+  {
+    "size": 35,
+    "density": 0.6,
+    "avgSolved": 91.1061224489796,
+    "minSolved": 8.408163265306122,
+    "maxSolved": 100,
+    "avgTime": 1.5827311000000024
+  },
+  {
+    "size": 35,
+    "density": 0.7,
+    "avgSolved": 99.9673469387755,
+    "minSolved": 99.67346938775509,
+    "maxSolved": 100,
+    "avgTime": 0.5970167499999988
+  },
+  {
+    "size": 35,
+    "density": 0.8,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.33084175000000327
+  },
+  {
+    "size": 35,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.1685022000000032
+  },
+  {
+    "size": 40,
+    "density": 0.1,
+    "avgSolved": 2.734375,
+    "minSolved": 0,
+    "maxSolved": 9.8125,
+    "avgTime": 0.13156869999999826
+  },
+  {
+    "size": 40,
+    "density": 0.2,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.13052910000000112
+  },
+  {
+    "size": 40,
+    "density": 0.3,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.17675199999999905
+  },
+  {
+    "size": 40,
+    "density": 0.4,
+    "avgSolved": 0.03125,
+    "minSolved": 0,
+    "maxSolved": 0.3125,
+    "avgTime": 0.26616039999999686
+  },
+  {
+    "size": 40,
+    "density": 0.5,
+    "avgSolved": 2.14375,
+    "minSolved": 0,
+    "maxSolved": 9.5625,
+    "avgTime": 0.694316649999999
+  },
+  {
+    "size": 40,
+    "density": 0.6,
+    "avgSolved": 91.44375,
+    "minSolved": 22.3125,
+    "maxSolved": 100,
+    "avgTime": 2.9244042000000006
+  },
+  {
+    "size": 40,
+    "density": 0.7,
+    "avgSolved": 99.9875,
+    "minSolved": 99.75,
+    "maxSolved": 100,
+    "avgTime": 0.8381519999999967
+  },
+  {
+    "size": 40,
+    "density": 0.8,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.4339062999999925
+  },
+  {
+    "size": 40,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.2375938000000076
+  },
+  {
+    "size": 45,
+    "density": 0.1,
+    "avgSolved": 1.7827160493827159,
+    "minSolved": 0,
+    "maxSolved": 4.691358024691358,
+    "avgTime": 0.1660813500000046
+  },
+  {
+    "size": 45,
+    "density": 0.2,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.1715666999999968
+  },
+  {
+    "size": 45,
+    "density": 0.3,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.23760415000000706
+  },
+  {
+    "size": 45,
+    "density": 0.4,
+    "avgSolved": 0.012345679012345678,
+    "minSolved": 0,
+    "maxSolved": 0.14814814814814814,
+    "avgTime": 0.333931249999992
+  },
+  {
+    "size": 45,
+    "density": 0.5,
+    "avgSolved": 1.439506172839506,
+    "minSolved": 0.39506172839506176,
+    "maxSolved": 5.135802469135802,
+    "avgTime": 0.9644125499999916
+  },
+  {
+    "size": 45,
+    "density": 0.6,
+    "avgSolved": 81.71851851851852,
+    "minSolved": 6.0246913580246915,
+    "maxSolved": 100,
+    "avgTime": 5.281324949999998
+  },
+  {
+    "size": 45,
+    "density": 0.7,
+    "avgSolved": 99.94074074074075,
+    "minSolved": 99.4074074074074,
+    "maxSolved": 100,
+    "avgTime": 1.2768960000000107
+  },
+  {
+    "size": 45,
+    "density": 0.8,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.638566650000007
+  },
+  {
+    "size": 45,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.3004915999999923
+  },
+  {
+    "size": 50,
+    "density": 0.1,
+    "avgSolved": 1.7,
+    "minSolved": 0,
+    "maxSolved": 5.92,
+    "avgTime": 0.20294785000000387
+  },
+  {
+    "size": 50,
+    "density": 0.2,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.23199789999999892
+  },
+  {
+    "size": 50,
+    "density": 0.3,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.29876259999999205
+  },
+  {
+    "size": 50,
+    "density": 0.4,
+    "avgSolved": 0.008,
+    "minSolved": 0,
+    "maxSolved": 0.16,
+    "avgTime": 0.38459799999998834
+  },
+  {
+    "size": 50,
+    "density": 0.5,
+    "avgSolved": 0.5099999999999999,
+    "minSolved": 0,
+    "maxSolved": 1.7999999999999998,
+    "avgTime": 0.8961771499999941
+  },
+  {
+    "size": 50,
+    "density": 0.6,
+    "avgSolved": 73.258,
+    "minSolved": 5.6000000000000005,
+    "maxSolved": 100,
+    "avgTime": 7.937735449999991
+  },
+  {
+    "size": 50,
+    "density": 0.7,
+    "avgSolved": 99.96399999999998,
+    "minSolved": 99.76,
+    "maxSolved": 100,
+    "avgTime": 1.6324250000000062
+  },
+  {
+    "size": 50,
+    "density": 0.8,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.8293270000000064
+  },
+  {
+    "size": 50,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.41459575000000654
+  },
+  {
+    "size": 60,
+    "density": 0.1,
+    "avgSolved": 0.16666666666666669,
+    "minSolved": 0,
+    "maxSolved": 1.6666666666666667,
+    "avgTime": 0.2432124999999928
+  },
+  {
+    "size": 60,
+    "density": 0.2,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.35082704999999237
+  },
+  {
+    "size": 60,
+    "density": 0.3,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.49827310000000014
+  },
+  {
+    "size": 60,
+    "density": 0.4,
+    "avgSolved": 0.0027777777777777775,
+    "minSolved": 0,
+    "maxSolved": 0.05555555555555555,
+    "avgTime": 0.6393062499999985
+  },
+  {
+    "size": 60,
+    "density": 0.5,
+    "avgSolved": 0.23055555555555554,
+    "minSolved": 0,
+    "maxSolved": 1.6666666666666667,
+    "avgTime": 1.2402395500000012
+  },
+  {
+    "size": 60,
+    "density": 0.6,
+    "avgSolved": 35.01805555555556,
+    "minSolved": 1.3333333333333335,
+    "maxSolved": 100,
+    "avgTime": 10.759754149999992
+  },
+  {
+    "size": 60,
+    "density": 0.7,
+    "avgSolved": 99.96944444444445,
+    "minSolved": 99.83333333333333,
+    "maxSolved": 100,
+    "avgTime": 2.964204100000029
+  },
+  {
+    "size": 60,
+    "density": 0.8,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 1.2736664999999903
+  },
+  {
+    "size": 60,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.6249353999999812
+  },
+  {
+    "size": 70,
+    "density": 0.1,
+    "avgSolved": 0.14285714285714285,
+    "minSolved": 0,
+    "maxSolved": 1.4285714285714286,
+    "avgTime": 0.34277719999998907
+  },
+  {
+    "size": 70,
+    "density": 0.2,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.5435105000000249
+  },
+  {
+    "size": 70,
+    "density": 0.3,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.7600602999999865
+  },
+  {
+    "size": 70,
+    "density": 0.4,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.9591250999999943
+  },
+  {
+    "size": 70,
+    "density": 0.5,
+    "avgSolved": 0.04081632653061225,
+    "minSolved": 0,
+    "maxSolved": 0.2857142857142857,
+    "avgTime": 1.491010399999982
+  },
+  {
+    "size": 70,
+    "density": 0.6,
+    "avgSolved": 16.403061224489797,
+    "minSolved": 1,
+    "maxSolved": 99.71428571428571,
+    "avgTime": 22.21432699999999
+  },
+  {
+    "size": 70,
+    "density": 0.7,
+    "avgSolved": 99.96836734693878,
+    "minSolved": 99.73469387755102,
+    "maxSolved": 100,
+    "avgTime": 4.92020829999999
+  },
+  {
+    "size": 70,
+    "density": 0.8,
+    "avgSolved": 99.99591836734695,
+    "minSolved": 99.91836734693878,
+    "maxSolved": 100,
+    "avgTime": 2.0306394499999554
+  },
+  {
+    "size": 70,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 0.8882499500000336
+  },
+  {
+    "size": 80,
+    "density": 0.1,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.4418666499999858
+  },
+  {
+    "size": 80,
+    "density": 0.2,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 0.7795667999999978
+  },
+  {
+    "size": 80,
+    "density": 0.3,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 1.0745101999999747
+  },
+  {
+    "size": 80,
+    "density": 0.4,
+    "avgSolved": 0,
+    "minSolved": 0,
+    "maxSolved": 0,
+    "avgTime": 1.3407041500000105
+  },
+  {
+    "size": 80,
+    "density": 0.5,
+    "avgSolved": 0.0125,
+    "minSolved": 0,
+    "maxSolved": 0.078125,
+    "avgTime": 1.9724897000000283
+  },
+  {
+    "size": 80,
+    "density": 0.6,
+    "avgSolved": 1.21484375,
+    "minSolved": 0.40625,
+    "maxSolved": 2.296875,
+    "avgTime": 3.9163123999999927
+  },
+  {
+    "size": 80,
+    "density": 0.7,
+    "avgSolved": 99.978125,
+    "minSolved": 99.9375,
+    "maxSolved": 100,
+    "avgTime": 7.790070799999967
+  },
+  {
+    "size": 80,
+    "density": 0.8,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 3.1350061999999754
+  },
+  {
+    "size": 80,
+    "density": 0.9,
+    "avgSolved": 100,
+    "minSolved": 100,
+    "maxSolved": 100,
+    "avgTime": 1.3134414999999535
+  }
+]

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "vue-nonograms-solid",
-  "version": "1.8.1",
+  "version": "1.8.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "vue-nonograms-solid",
-      "version": "1.8.1",
+      "version": "1.8.4",
       "dependencies": {
         "fireworks-js": "^2.10.8",
         "flag-icons": "^7.5.0",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-nonograms-solid",
-  "version": "1.8.1",
+  "version": "1.8.4",
   "type": "module",
   "scripts": {
     "dev": "vite",

scripts/add_simulation_translations.cjs

@@ -0,0 +1,61 @@
+const fs = require('fs');
+const path = require('path');
+
+const filePath = path.join(__dirname, '../src/composables/useI18n.js');
+let content = fs.readFileSync(filePath, 'utf8');
+
+const newKeys = {
+    'custom.simulationHelp': 'How is this calculated?',
+    'custom.hideMap': 'Hide difficulty map',
+    'custom.showMap': 'Show difficulty map',
+    'simulation.title': 'Difficulty Simulation',
+    'simulation.status.ready': 'Ready',
+    'simulation.status.stopped': 'Stopped',
+    'simulation.status.completed': 'Completed',
+    'simulation.status.simulating': 'Simulating {size}x{size} @ {density}%',
+    'simulation.start': 'Start Simulation',
+    'simulation.stop': 'Stop',
+    'simulation.table.size': 'Size',
+    'simulation.table.density': 'Density',
+    'simulation.table.solved': 'Solved (Logic)',
+    'simulation.empty': 'Press Start to run Monte Carlo simulation'
+};
+
+const lines = content.split('\n');
+const processedLines = [];
+let currentLang = null;
+
+for (let i = 0; i < lines.length; i++) {
+    let line = lines[i];
+    
+    // Detect start of language block
+    const startMatch = line.match(/^\s{2}(['"]?[\w-]+['"]?): \{/);
+    if (startMatch) {
+        currentLang = startMatch[1].replace(/['"]/g, '');
+    }
+
+    // Detect end of language block
+    if (currentLang && (line.trim() === '},' || line.trim() === '}')) {
+        if (currentLang !== 'pl' && currentLang !== 'en') {
+            // Ensure previous line has comma
+            if (processedLines.length > 0) {
+                let lastLine = processedLines[processedLines.length - 1];
+                if (!lastLine.trim().endsWith(',') && !lastLine.trim().endsWith('{')) {
+                    processedLines[processedLines.length - 1] = lastLine + ',';
+                }
+            }
+
+            // Append new keys
+            Object.entries(newKeys).forEach(([key, value]) => {
+                processedLines.push(`    '${key}': '${value}',`);
+            });
+        }
+        currentLang = null;
+    }
+    
+    processedLines.push(line);
+}
+
+const finalContent = processedLines.join('\n');
+fs.writeFileSync(filePath, finalContent);
+console.log('Successfully added simulation translations to all languages.');

scripts/add_simulation_translations.js

@@ -0,0 +1,97 @@
+
+const fs = require('fs');
+const path = require('path');
+
+const filePath = path.join(__dirname, '../src/composables/useI18n.js');
+let content = fs.readFileSync(filePath, 'utf8');
+
+const newKeys = {
+    'custom.simulationHelp': 'How is this calculated?',
+    'simulation.title': 'Difficulty Simulation',
+    'simulation.status.ready': 'Ready',
+    'simulation.status.stopped': 'Stopped',
+    'simulation.status.completed': 'Completed',
+    'simulation.status.simulating': 'Simulating {size}x{size} @ {density}%',
+    'simulation.start': 'Start Simulation',
+    'simulation.stop': 'Stop',
+    'simulation.table.size': 'Size',
+    'simulation.table.density': 'Density',
+    'simulation.table.solved': 'Solved (Logic)',
+    'simulation.empty': 'Press Start to run Monte Carlo simulation'
+};
+
+// Regex to match the end of a language block
+// Matches "  }," or "  }" at the start of a line
+const blockEndRegex = /^(\s{2})\},?$/gm;
+
+let newContent = content.replace(blockEndRegex, (match, indent, offset) => {
+    // Determine which language we are closing
+    const precedingText = content.substring(0, offset);
+    const langMatch = precedingText.match(/^\s{2}(\w+([-]\w+)?): \{/gm);
+    
+    if (!langMatch) return match;
+    const currentLangLine = langMatch[langMatch.length - 1];
+    const currentLang = currentLangLine.match(/^\s{2}(\w+([-]\w+)?): \{/)[1];
+
+    // Skip pl and en as they are already updated
+    if (currentLang === 'pl' || currentLang === 'en') {
+        return match;
+    }
+
+    // Check if the previous line has a comma
+    // We need to look at the lines before the match
+    // This is tricky with replace callback. 
+    // Easier strategy: Just insert the keys. 
+    // If the file is well formatted, the last item might or might not have a comma.
+    // But we can ensure *our* inserted block starts with a comma if needed? 
+    // No, standard JS objects need comma after previous item.
+    
+    // Let's assume we simply inject before the closing brace.
+    // We'll add a comma to the previous line if it doesn't have one?
+    // That's hard with regex replace on the closing brace only.
+    
+    // Alternative: Split by lines and process.
+    return match; // Placeholder, we will process by lines below.
+});
+
+const lines = content.split('\n');
+const processedLines = [];
+let currentLang = null;
+
+for (let i = 0; i < lines.length; i++) {
+    let line = lines[i];
+    
+    // Detect start of language block
+    const startMatch = line.match(/^\s{2}(['"]?[\w-]+['"]?): \{/);
+    if (startMatch) {
+        currentLang = startMatch[1].replace(/['"]/g, '');
+    }
+
+    // Detect end of language block
+    if (currentLang && (line.trim() === '},' || line.trim() === '}')) {
+        if (currentLang !== 'pl' && currentLang !== 'en') {
+            // Ensure previous line has comma
+            if (processedLines.length > 0) {
+                let lastLine = processedLines[processedLines.length - 1];
+                if (!lastLine.trim().endsWith(',') && !lastLine.trim().endsWith('{')) {
+                    processedLines[processedLines.length - 1] = lastLine + ',';
+                }
+            }
+
+            // Append new keys
+            Object.entries(newKeys).forEach(([key, value]) => {
+                processedLines.push(`    '${key}': '${value}',`);
+            });
+            
+            // Remove trailing comma from last inserted item if we want strictly JSON-like (but JS allows it)
+            // It's fine to leave it.
+        }
+        currentLang = null;
+    }
+    
+    processedLines.push(line);
+}
+
+const finalContent = processedLines.join('\n');
+fs.writeFileSync(filePath, finalContent);
+console.log('Successfully added simulation translations to all languages.');

src/components/CustomGameModal.vue

@@ -14,6 +14,7 @@ const fillRate = ref(50);
 const errorMsg = ref('');
 const difficultyCanvas = ref(null);
 const isDragging = ref(false);
+const cachedBackground = ref(null);
 
 const drawMap = () => {
   const canvas = difficultyCanvas.value;
@@ -25,46 +26,42 @@ const drawMap = () => {
   // Clear
   ctx.clearRect(0, 0, width, height);
 
-  // Draw Gradient Background
-  // Optimization: Create an image data once if static, but here it's small enough.
-  const imgData = ctx.createImageData(width, height);
-  const data = imgData.data;
+  // Use cached background if available
+  if (cachedBackground.value) {
+      ctx.putImageData(cachedBackground.value, 0, 0);
+  } else {
+      // Draw Gradient Background (Heavy calculation)
+      const imgData = ctx.createImageData(width, height);
+      const data = imgData.data;
 
-  // Ranges:
-  // X: Fill Rate 10% -> 90%
-  // Y: Size 5 -> 80
-  
-  for (let y = 0; y < height; y++) {
-    for (let x = 0; x < width; x++) {
-      // Map x, y to fillRate, size
-      // y=0 -> size 80 (top), y=height -> size 5 (bottom)
-      // x=0 -> fill 10%, x=width -> fill 90%
+      // Ranges:
+      // X: Fill Rate 10% -> 90%
+      // Y: Size 5 -> 80
       
-      const normalizedX = x / width;
-      const normalizedY = 1 - (y / height); // 0 at bottom, 1 at top
-      
-      const fRate = 0.1 + normalizedX * 0.8; // 0.1 to 0.9
-      const sSize = 5 + normalizedY * 75;    // 5 to 80
-      
-      const { value } = calculateDifficulty(fRate, sSize);
-      
-      // Color Mapping:
-      // Green (0%) -> Yellow (50%) -> Red (100%)
-      // Hue: 120 -> 0
-      const hue = 120 * (1 - value / 100);
-      
-      // Convert HSL to RGB (Simplified)
-      // Saturation 100%, Lightness 50%
-      const [r, g, b] = hslToRgb(hue / 360, 1, 0.5);
-      
-      const index = (y * width + x) * 4;
-      data[index] = r;
-      data[index + 1] = g;
-      data[index + 2] = b;
-      data[index + 3] = 255; // Alpha
-    }
+      for (let y = 0; y < height; y++) {
+        for (let x = 0; x < width; x++) {
+          const normalizedX = x / width;
+          const normalizedY = 1 - (y / height); // 0 at bottom, 1 at top
+          
+          const fRate = 0.1 + normalizedX * 0.8; // 0.1 to 0.9
+          const sSize = 5 + normalizedY * 75;    // 5 to 80
+          
+          const { value } = calculateDifficulty(fRate, sSize);
+          
+          // Color Mapping
+          const hue = 120 * (1 - value / 100);
+          const [r, g, b] = hslToRgb(hue / 360, 1, 0.5);
+          
+          const index = (y * width + x) * 4;
+          data[index] = r;
+          data[index + 1] = g;
+          data[index + 2] = b;
+          data[index + 3] = 255; // Alpha
+        }
+      }
+      ctx.putImageData(imgData, 0, 0);
+      cachedBackground.value = imgData;
   }
-  ctx.putImageData(imgData, 0, 0);
 
   // Draw current position
   // Map current fillRate/size to x,y
@@ -166,6 +163,8 @@ const showAdvanced = ref(false);
 const toggleAdvanced = () => {
     showAdvanced.value = !showAdvanced.value;
     if (showAdvanced.value) {
+        // Reset cache when opening to ensure size is correct if canvas resized
+        cachedBackground.value = null; 
         nextTick(drawMap);
     }
 };
@@ -306,7 +305,7 @@ const confirm = () => {
 
       <div class="advanced-toggle">
           <button class="btn-text" @click="toggleAdvanced">
-              {{ showAdvanced ? 'Ukryj mapę trudności' : 'Pokaż mapę trudności' }}
+              {{ showAdvanced ? t('custom.hideMap') : t('custom.showMap') }}
           </button>
       </div>
       

src/components/SimulationView.vue

@@ -3,9 +3,11 @@
 import { ref, computed } from 'vue';
 import { generateRandomGrid, calculateHints } from '@/utils/puzzleUtils';
 import { solvePuzzle } from '@/utils/solver';
+import { useI18n } from '@/composables/useI18n';
 import { X, Play, Square, RotateCcw } from 'lucide-vue-next';
 
 const emit = defineEmits(['close']);
+const { t } = useI18n();
 
 const SIZES = [5, 10, 15, 20, 25, 30, 35, 40, 45, 50]; 
 const DENSITIES = [0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9];
@@ -13,12 +15,17 @@ const SAMPLES_PER_POINT = 10; // Reduced for web performance demo
 
 const isRunning = ref(false);
 const progress = ref(0);
-const currentStatus = ref('Ready');
+const currentStatus = ref('');
 const results = ref([]);
 const simulationSpeed = ref(1); // 1 = Normal, 2 = Fast (less render updates)
 
 let stopRequested = false;
 
+const displayStatus = computed(() => {
+    if (!currentStatus.value) return t('simulation.status.ready');
+    return currentStatus.value;
+});
+
 const startSimulation = async () => {
     if (isRunning.value) return;
     isRunning.value = true;
@@ -32,12 +39,15 @@ const startSimulation = async () => {
     for (const size of SIZES) {
         for (const density of DENSITIES) {
             if (stopRequested) {
-                currentStatus.value = 'Stopped';
+                currentStatus.value = t('simulation.status.stopped');
                 isRunning.value = false;
                 return;
             }
 
-            currentStatus.value = `Simulating ${size}x${size} @ ${(density * 100).toFixed(0)}%`;
+            currentStatus.value = t('simulation.status.simulating', { 
+                size: size, 
+                density: (density * 100).toFixed(0) 
+            });
             
             let totalSolved = 0;
             
@@ -66,7 +76,7 @@ const startSimulation = async () => {
     }
 
     isRunning.value = false;
-    currentStatus.value = 'Completed';
+    currentStatus.value = t('simulation.status.completed');
 };
 
 const stopSimulation = () => {
@@ -86,7 +96,7 @@ const getRowColor = (solved) => {
   <div class="modal-overlay" @click.self="emit('close')">
     <div class="modal glass-panel">
       <div class="header">
-        <h2>Difficulty Simulation</h2>
+        <h2>{{ t('simulation.title') }}</h2>
         <button class="close-btn" @click="emit('close')">
             <X />
         </button>
@@ -95,7 +105,7 @@ const getRowColor = (solved) => {
       <div class="content">
         <div class="controls">
             <div class="status-bar">
-                <div class="status-text">{{ currentStatus }}</div>
+                <div class="status-text">{{ displayStatus }}</div>
                 <div class="progress-track">
                     <div class="progress-fill" :style="{ width: progress + '%' }"></div>
                 </div>
@@ -103,10 +113,10 @@ const getRowColor = (solved) => {
             
             <div class="actions">
                 <button v-if="!isRunning" class="btn-neon" @click="startSimulation">
-                    <Play class="icon" /> Start Simulation
+                    <Play class="icon" /> {{ t('simulation.start') }}
                 </button>
                 <button v-else class="btn-neon secondary" @click="stopSimulation">
-                    <Square class="icon" /> Stop
+                    <Square class="icon" /> {{ t('simulation.stop') }}
                 </button>
             </div>
         </div>
@@ -115,9 +125,9 @@ const getRowColor = (solved) => {
             <table class="results-table">
                 <thead>
                     <tr>
-                        <th>Size</th>
-                        <th>Density</th>
-                        <th>Solved (Logic)</th>
+                        <th>{{ t('simulation.table.size') }}</th>
+                        <th>{{ t('simulation.table.density') }}</th>
+                        <th>{{ t('simulation.table.solved') }}</th>
                     </tr>
                 </thead>
                 <tbody>
@@ -129,7 +139,7 @@ const getRowColor = (solved) => {
                 </tbody>
             </table>
             <div v-if="results.length === 0" class="empty-state">
-                Press Start to run Monte Carlo simulation
+                {{ t('simulation.empty') }}
             </div>
         </div>
       </div>