Catch Rate:
Probability Table:
.catch-rate-calculator {
font-family: sans-serif;
max-width: 600px;
margin: 20px auto;
padding: 20px;
border: 1px solid #ccc;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.calculator-inputs, .calculator-results {
margin-bottom: 20px;
}
.input-group {
margin-bottom: 15px;
display: flex;
align-items: center;
gap: 10px;
}
.input-group label {
flex: 1;
text-align: right;
font-weight: bold;
}
.input-group input, .input-group select {
flex: 1;
padding: 8px;
border: 1px solid #ccc;
border-radius: 4px;
}
button {
padding: 10px 15px;
background-color: #4CAF50;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
}
button:hover {
background-color: #45a049;
}
#catchResult {
font-size: 1.2em;
font-weight: bold;
color: #333;
}
#probabilityTable table {
width: 100%;
border-collapse: collapse;
margin-top: 10px;
}
#probabilityTable th, #probabilityTable td {
border: 1px solid #ddd;
padding: 8px;
text-align: center;
}
#probabilityTable th {
background-color: #f2f2f2;
}
function calculateCatchRate() {
var pokemonHP = parseFloat(document.getElementById("pokemonHP").value);
var currentHP = parseFloat(document.getElementById("currentHP").value);
var statusCondition = parseInt(document.getElementById("statusCondition").value);
var ballType = parseFloat(document.getElementById("ballType").value);
var assist = parseFloat(document.getElementById("assist").value);
var isCritical = parseInt(document.getElementById("isCritical").value);
var levelModifier = parseFloat(document.getElementById("levelModifier").value);
if (isNaN(pokemonHP) || isNaN(currentHP) || isNaN(statusCondition) || isNaN(ballType) || isNaN(assist) || isNaN(isCritical) || isNaN(levelModifier) ||
pokemonHP <= 0 || currentHP pokemonHP || ballType < 0 || assist < 0 || levelModifier <= 0) {
document.getElementById("catchResult").innerText = "Invalid input. Please check your values.";
document.getElementById("probabilityTable").innerHTML = "";
return;
}
// Base catch rate for Gen 8 (this is a simplification, actual base catch rates vary per Pokémon)
// For a true Gen 8 calculator, you'd need a way to input the specific Pokémon to get its base rate.
// This example uses a placeholder base rate of 45.
var baseCatchRate = 45;
// HP Factor Calculation
var hpFactor = (pokemonHP * 3 * Math.pow(pokemonHP, 2) – 2 * Math.pow(currentHP, 2) * Math.pow(pokemonHP, 2)) / (3 * Math.pow(pokemonHP, 3));
hpFactor = Math.max(0.01, hpFactor); // Ensure it's at least 0.01
// Status Modifier
var statusModifier = 1;
if (statusCondition === 1) { // Sleep/Freeze
statusModifier = 2.5;
} else if (statusCondition === 2) { // Poison/Burn/Paralysis
statusModifier = 1.5;
}
// Catch Formula Components
var catchFormula = (hpFactor * 2 * baseCatchRate * ballType * assist * levelModifier) / (100 * statusModifier);
// Critical Capture Modifier (simplified for Gen 8, actual logic is more complex)
var criticalModifier = 1;
if (isCritical === 1) {
// In Gen 8, Critical Capture is a separate mechanic that has a chance to appear.
// For simplicity here, we'll simulate a successful critical capture if selected.
// A more accurate simulation would involve a probability check for critical capture itself.
criticalModifier = 2;
}
// Final Catch Rate (modified by critical capture)
var finalCatchModifier = catchFormula * criticalModifier;
finalCatchModifier = Math.min(255, finalCatchModifier); // Capped at 255
var catchProbability = (255 / (255 – finalCatchModifier)) * 100;
catchProbability = Math.min(100, catchProbability); // Ensure probability doesn't exceed 100%
document.getElementById("catchResult").innerText = catchProbability.toFixed(2) + "%";
// Generate Probability Table
var tableHtml = "
| HP Remaining | Catch Probability (%) |
|---|
";
for (var i = 1; i <= pokemonHP; i++) {
var hpF = (pokemonHP * 3 * Math.pow(pokemonHP, 2) – 2 * Math.pow(i, 2) * Math.pow(pokemonHP, 2)) / (3 * Math.pow(pokemonHP, 3));
hpF = Math.max(0.01, hpF);
var cf = (hpF * 2 * baseCatchRate * ballType * assist * levelModifier) / (100 * statusModifier);
var ccf = cf * (isCritical === 1 ? 2 : 1); // Apply critical modifier
ccf = Math.min(255, ccf);
var prob = (255 / (255 – ccf)) * 100;
prob = Math.min(100, prob);
tableHtml += "| " + i + " | " + prob.toFixed(2) + "% |
";
}
tableHtml += "
";
document.getElementById("probabilityTable").innerHTML = tableHtml;
}
## Understanding the Pokémon Gen 8 Catch Rate Calculator
Catching Pokémon is a fundamental aspect of the Pokémon games, and in Generation 8 (Sword and Shield), the mechanics behind it remain complex, influenced by several factors. This calculator helps you estimate the probability of successfully catching a Pokémon based on its current state and the ball you're using.
### Key Factors Influencing Catch Rate:
1. **Pokémon's Max HP vs. Current HP:** The lower a Pokémon's current HP is, the higher your catch probability. Reducing a Pokémon's HP to a critical level (e.g., 1 HP) significantly increases your chances. The formula considers the ratio of current HP to maximum HP, with a penalty for higher HP.
2. **Status Conditions:** Inflicting a status condition on the wild Pokémon dramatically improves catch rates.
* **Sleep or Freeze:** These offer the highest bonus.
* **Poison, Burn, or Paralysis:** These provide a moderate bonus.
* **No Status:** No bonus is applied.
3. **Poké Ball Type:** Different Poké Balls have different modifiers. A standard Poké Ball has a modifier of 1.0. More specialized balls (like Ultra Balls, Dusk Balls in certain conditions, etc.) have higher modifiers. This calculator allows you to input a custom modifier for any ball.
4. **Assist Modifier:** This factor represents external influences that might affect catch rate, though it's less commonly used in standard gameplay.
5. **Critical Capture:** In Gen 8, a "Critical Capture" is a special event that can occur when you throw a Poké Ball. If successful, it significantly increases the catch rate. This calculator includes an option to simulate a successful critical capture.
6. **Level Modifier:** While not a direct input in all games' catch rate formulas, for this calculator, we use a `levelModifier` to conceptually represent how challenging a catch might be due to level differences or other game mechanics that might implicitly affect catch chance. A value of 1.0 is for Pokémon at roughly the same level or a standard encounter.
### How the Calculator Works:
The calculator takes your inputs and plugs them into the modified catch rate formula. The core of the calculation involves:
1. **HP Factor:** A value derived from the Pokémon's current and max HP.
2. **Base Catch Rate:** Each Pokémon species has an inherent "base catch rate" (e.g., a Magikarp has a high base rate, while a legendary Pokémon has a very low one). *Note: This calculator uses a simplified placeholder base rate; for precise calculations, you'd need the specific Pokémon's base catch rate.*
3. **Status Modifier:** Applied based on the chosen status condition.
4. **Ball Modifier & Assist Modifier:** Directly multiplied into the formula.
5. **Critical Capture:** If enabled, a multiplier is applied.
These components are combined to produce a "catch modifier value." This value is then used to calculate the final percentage probability of catching the Pokémon. The calculator also provides a table showing the estimated catch probability for every HP point from full HP down to 1 HP, allowing you to see the impact of gradually weakening the target.
### Example Usage:
Let's say you're trying to catch a Level 50
Gyarados with:
* Max HP: 190
* Current HP: 25 (very low, but not 1 HP)
* Status Condition: None
* Ball: Ultra Ball (let's estimate its modifier at 2.0 for this example)
* Critical Capture: No
* Level Modifier: 1.0
Inputting these values into the calculator would give you an estimated catch probability. If you then decided to lower the
Gyarados to 1 HP and enabled Critical Capture, you would see a significantly higher probability.
By understanding and utilizing this calculator, you can strategize your battles more effectively, increasing your chances of adding that coveted Pokémon to your team!