Kata 9 - Bouncy Castles

kata9BouncyCastles.js

// Use the value below whenever you need the value of Pi
const PI = 3.14159 ;

const sphereVolume = function (radius) {
  // V = 4/3 πr³
  return ((4/3) * (PI * Math.pow(radius, 3)));
}

console.log(4186 < sphereVolume(10) && sphereVolume(10) < 4189);

const coneVolume = function (radius, height) {
  // V=πr2h/3
  return ((PI * Math.pow(radius, 2) * (height / 3)));
}

console.log(45 < coneVolume(3, 5) && coneVolume(3, 5) < 49);

const prismVolume = function (height, width, depth) {
  // height * width * depth
  return (height * width * depth);
}

console.log(prismVolume(3, 4, 5) === 60);

const totalVolume = function (solids) {
  let totalVolume = 0;
  for (const part of solids) {
    switch (part.type) {
      case 'sphere':
        totalVolume += sphereVolume(part.radius);
        break;
      case 'cone':
        totalVolume += coneVolume(part.radius, part.height);
        break;
      case 'prism':
        totalVolume += prismVolume(part.height, part.width, part.depth);
        break;
      default:
        break;
    }
  }
  return totalVolume;
}

const largeSphere = {
  type: 'sphere',
  radius: 40
}

const smallSphere = {
  type: 'sphere',
  radius: 10
}

const cone = {
  type: 'cone',
  radius: 3,
  height: 5
}

const duck = [
  largeSphere,
  smallSphere,
  cone
]

console.log(272000 < totalVolume(duck) && totalVolume(duck) < 275000);