minecraft stronghold finder

index.html

<input placeholder="X #1" id="a-y">
<input placeholder="Z #1" id="a-x">
<input placeholder="˚ #1" id="a-angle">
<br><br>
<input placeholder="X #2" id="b-y">
<input placeholder="Z #2" id="b-x">
<input placeholder="˚ #2" id="b-angle">
<br><br>
<button id="go">go</button>
<pre id="result"></pre>

minecraft-stronghold-finder.markdown

minecraft stronghold finder

A Pen by Evan Goode on CodePen.

License.

script.js

"use strict"
function tand(deg) {
	return Math.tan(deg * Math.PI / 180)
}
function intersect(a, b) {
	if (a.slope == b.slope) return false;
	var x = (b.intercept - a.intercept) / (a.slope - b.slope)
	var y = (a.slope * x) + a.intercept || (b.slope * x) + b.intercept
	return {
		x: x,
		y: y
	}
}
function line(point, angle) {
	var slope = tand(angle)
	var intercept = point.y - (slope * point.x)
	return {
		slope: slope,
		intercept: intercept
	}
}
document.querySelector("#go").addEventListener("click", update)
function update() {
	var a = line({
		x: document.querySelector("#a-x").value,
		y: document.querySelector("#a-y").value
	}, -1 * document.querySelector("#a-angle").value)
	var b = line({
		x: document.querySelector("#b-x").value,
		y: document.querySelector("#b-y").value
	}, -1 * document.querySelector("#b-angle").value)
	var result = intersect(a, b)
	document.querySelector("#result").textContent = result.y + ", " + result.x
}