modified: objects-and-math/studio/ObjectsStudio01.js

	modified:   objects-and-math/studio/ObjectsStudio02.js

Author: imrn16

objects-and-math/studio/ObjectsStudio01.js

@@ -1,55 +1,98 @@
 // Code your selectRandomEntry function here:
 
+function selectRandomEntry(arr) {
+	return arr[Math.round(Math.random() * 5)];
+}
 
 // Code your buildCrewArray function here:
 
-
 let idNumbers = [291, 414, 503, 599, 796, 890];
 
+let randomArr = [];
+let usedVal = [];
+
+while (randomArr.length < 3) {
+	let val = selectRandomEntry(idNumbers);
+	if (!usedVal.includes(val)) {
+		randomArr.push(val);
+		usedVal.push(val);
+	}
+}
+
+console.log(randomArr);
+
+console.log(selectRandomEntry(idNumbers));
+
 // Here are the candidates and the 'animals' array:
 let candidateA = {
-  'name':'Gordon Shumway',
-  'species':'alf',
-  'mass':90,
-  'o2Used':function(hrs){return 0.035*hrs},
-  'astronautID':414
+	name: "Gordon Shumway",
+	species: "alf",
+	mass: 90,
+	o2Used: function (hrs) {
+		return 0.035 * hrs;
+	},
+	astronautID: 414,
 };
 let candidateB = {
-  'name':'Lassie',
-  'species':'dog',
-  'mass':19.1,
-  'o2Used':function(hrs){return 0.030*hrs},
-  'astronautID':503
+	name: "Lassie",
+	species: "dog",
+	mass: 19.1,
+	o2Used: function (hrs) {
+		return 0.03 * hrs;
+	},
+	astronautID: 503,
 };
 let candidateC = {
-  'name':'Jonsey',
-  'species':'cat',
-  'mass':3.6,
-  'o2Used':function(hrs){return 0.022*hrs},
-  'astronautID':796
+	name: "Jonsey",
+	species: "cat",
+	mass: 3.6,
+	o2Used: function (hrs) {
+		return 0.022 * hrs;
+	},
+	astronautID: 796,
 };
 let candidateD = {
-  'name':'Paddington',
-  'species':'bear',
-  'mass':31.8,
-  'o2Used':function(hrs){return 0.047*hrs},
-  'astronautID':291
+	name: "Paddington",
+	species: "bear",
+	mass: 31.8,
+	o2Used: function (hrs) {
+		return 0.047 * hrs;
+	},
+	astronautID: 291,
 };
 let candidateE = {
-  'name':'Pete',
-  'species':'tortoise',
-  'mass':417,
-  'o2Used':function(hrs){return 0.010*hrs},
-  'astronautID':599
+	name: "Pete",
+	species: "tortoise",
+	mass: 417,
+	o2Used: function (hrs) {
+		return 0.01 * hrs;
+	},
+	astronautID: 599,
 };
 let candidateF = {
-  'name':'Hugs',
-  'species':'ball python',
-  'mass':2.3,
-  'o2Used':function(hrs){return 0.018*hrs},
-  'astronautID':890
+	name: "Hugs",
+	species: "ball python",
+	mass: 2.3,
+	o2Used: function (hrs) {
+		return 0.018 * hrs;
+	},
+	astronautID: 890,
 };
 
-let animals = [candidateA,candidateB,candidateC,candidateD,candidateE,candidateF];
+let animals = [candidateA, candidateB, candidateC, candidateD, candidateE, candidateF];
 
 // Code your template literal and console.log statements:
+
+function buildCrewArray(numbers, animals) {
+	let crew = [];
+	while (crew.length < 3) {
+		for (i = 0; i < animals.length; i++) {
+			if (numbers.includes(animals[i].astronautID)) {
+				crew.push(animals[i].name);
+			}
+		}
+	}
+	console.log(`${crew[0]}, ${crew[1]} & ${crew[2]} are going to space!`);
+}
+
+buildCrewArray(randomArr, animals);

objects-and-math/studio/ObjectsStudio02.js

@@ -1,14 +1,41 @@
 // Code your orbitCircumference function here:
 
+let altitude = 2000;
+let speed = 28000;
+
+function orbitCircumference(radius) {
+  return Math.round(2*Math.PI*radius)
+}
+
+console.log(orbitCircumference(altitude))
 
 // Code your missionDuration function here:
 
+function missionDuration(numOrbits, radius, speed) {
+  return Math.round((numOrbits*orbitCircumference(radius))/speed*100)/100
+
+}
+
+console.log(`The mission will travel ${orbitCircumference(altitude)}km around the planet, and it will take ${missionDuration(5, altitude, speed)} hours to complete`)
+
+missionDuration(5, altitude, speed)
 
 // Copy/paste your selectRandomEntry function here:
 
+function selectRandomEntry(arr) {
+	return arr[Math.round(Math.random() * 5)];
+}
 
 // Code your oxygenExpended function here:
 
+function oxygenExpended(numOrbits, candidate, radius, speed) {
+let duration = missionDuration(numOrbits, radius, speed)
+let oxygen = Math.round(candidate.o2Used(duration)*1000)/1000;
+
+console.log(`${candidate.name} will perform the spacewalk, which will last ${duration} hours and require ${oxygen} of oxygen.`)
+}
+
+
 
 // Candidate data & crew array.
 let candidateA = {
@@ -53,6 +80,8 @@ let candidateA = {
    'o2Used':function(hrs){return 0.018*hrs},
    'astronautID':890
  };
+
+ oxygenExpended(3, candidateA, altitude, speed)
 
  let crew = [candidateA,candidateC,candidateE];