diff --git a/src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/UserInterface.java b/src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/UserInterface.java
new file mode 100644
index 0000000000000000000000000000000000000000..710a07c757411ee532fb1eccf768a2654398489e
--- /dev/null
+++ b/src/main/java/edu/ntnu/idatt2003/mappevurderingprog2/models/UserInterface.java
@@ -0,0 +1,96 @@
+package edu.ntnu.idatt2003.mappevurderingprog2.models;
+
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGame;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameDescription;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.chaos.ChaosGameFileHandler;
+import java.util.Scanner;
+
+public class UserInterface {
+ private ChaosGameDescription description;
+ private ChaosGame game;
+ private final ChaosGameFileHandler fileHandler = new ChaosGameFileHandler();
+ private final Scanner scanner = new Scanner(System.in);
+ public void start() {
+ System.out.println("CLI Application for Chaos Game");
+ while (true) {
+ System.out.println("\n1. Read description from file");
+ System.out.println("2. Write description to file");
+ System.out.println("3. Run a number of iterations");
+ System.out.println("4. Print ASCII fractal to console");
+ System.out.println("5. Exit");
+ System.out.print("Enter choice: ");
+ int choice = scanner.nextInt();
+ scanner.nextLine();
+
+ switch (choice) {
+ case 1:
+ readDescriptionFromFile();
+ break;
+ case 2:
+ writeDescriptionToFile();
+ break;
+ case 3:
+ runIterations();
+ break;
+ case 4:
+ printFractal();
+ break;
+ case 5:
+ System.out.println("Exiting...");
+ return;
+ default:
+ System.out.println("Invalid choice. Please try again.");
+ }
+ }
+ }
+
+ private void readDescriptionFromFile() {
+ System.out.print("Enter the name of the text file (e.g., JuliaTransformation.txt): ");
+ String fileName = scanner.nextLine();
+ String filePath = "src/main/resources/transformations/" + fileName;
+
+ try {
+ description = fileHandler.readTransformationsFromFile(filePath);
+ System.out.println("Description read successfully from: " + filePath);
+ } catch (Exception e) {
+ System.out.println("Error reading file: " + e.getMessage());
+ }
+ }
+
+ private void writeDescriptionToFile() {
+ if (description == null) {
+ System.out.println("No description to write. Please read a description first.");
+ return;
+ }
+ System.out.print("Enter the name of the text file to write to (e.g., JuliaTransformation.txt): ");
+ String fileName = scanner.nextLine();
+ String filePath = "src/main/resources/transformations/" + fileName;
+
+ try {
+ fileHandler.writeTransformationsToFile(description, filePath);
+ System.out.println("Description written successfully to: " + filePath);
+ } catch (Exception e) {
+ System.out.println("Error writing to file: " + e.getMessage());
+ }
+ }
+
+ private void runIterations() {
+ if (description == null) {
+ System.out.println("No description loaded. Please read a description first.");
+ return;
+ }
+ System.out.print("Enter the number of iterations to run: ");
+ int iterations = scanner.nextInt();
+ game = new ChaosGame(description, 50, 50);
+ game.runSteps(iterations);
+ System.out.println("Iterations completed.");
+ }
+
+ private void printFractal() {
+ if (game == null || game.getCanvas() == null) {
+ System.out.println("No game to print. Please run iterations first.");
+ return;
+ }
+ game.getCanvas().printCanvas();
+ }
+}
\ No newline at end of file
diff --git a/src/main/resources/transformations/BarnsleyFern.txt b/src/main/resources/transformations/BarnsleyFern.txt
new file mode 100644
index 0000000000000000000000000000000000000000..647a7a0b44406f0aacef5788d039dcc120639504
--- /dev/null
+++ b/src/main/resources/transformations/BarnsleyFern.txt
@@ -0,0 +1,7 @@
+Affine2D
+0.0, 0.0
+1.0, 1.0
+0.000000, 0.000000, 0.000000, 0.160000, 0.0, 0.0
+0.850000, 0.040000, -0.040000, 0.850000, 0.0, 1.6
+0.200000, -0.260000, 0.230000, 0.220000, 0.0, 1.6
+-0.150000, 0.280000, 0.260000, 0.240000, 0.0, 0.44
\ No newline at end of file
diff --git a/src/main/resources/transformations/JuliaTransformation.txt b/src/main/resources/transformations/JuliaTransformation.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d5b7598f3c808e59c78b2252a371ad5792858589
--- /dev/null
+++ b/src/main/resources/transformations/JuliaTransformation.txt
@@ -0,0 +1,4 @@
+Julia
+-1.6, -1.0
+1.6, 1.0
+-0.74543, 0.11301, -1
diff --git a/src/main/resources/transformations/SierpinskiTriangle.txt b/src/main/resources/transformations/SierpinskiTriangle.txt
new file mode 100644
index 0000000000000000000000000000000000000000..ad501cb8dcaceb9a3af075d54be5903e416beaed
--- /dev/null
+++ b/src/main/resources/transformations/SierpinskiTriangle.txt
@@ -0,0 +1,6 @@
+Affine2D
+0.0, 0.0
+1.0, 1.0
+0.500000, 0.000000, 0.000000, 0.500000, 0.0, 0.0
+0.500000, 0.000000, 0.000000, 0.500000, 0.5, 0.0
+0.500000, 0.000000, 0.000000, 0.500000, 0.25, 0.5
diff --git a/src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/JuliaTranformNegativeTest.java b/src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/JuliaTranformNegativeTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..9a6925e3962091da1cbb8c8d5f8548437b2ec485
--- /dev/null
+++ b/src/test/java/edu/ntnu/idatt2003/mappevurderingprog2/JuliaTranformNegativeTest.java
@@ -0,0 +1,60 @@
+package edu.ntnu.idatt2003.mappevurderingprog2;
+
+import edu.ntnu.idatt2003.mappevurderingprog2.models.Complex;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.JuliaTransform;
+import edu.ntnu.idatt2003.mappevurderingprog2.models.Vector2D;
+import org.junit.jupiter.api.Test;
+
+public class JuliaTranformNegativeTest {
+ @Test
+ public void juliaTransformConstructorNegativeTest() {
+ int i = 1;
+ try {
+ JuliaTransform juliaTransform = new JuliaTransform(null, i);
+ } catch (IllegalArgumentException e) {
+ System.out.println(e.getMessage());
+ }
+ }
+
+ @Test
+ public void getPointNegativeTest() {
+ Complex complex = new Complex(1, 1);
+ int i = 1;
+ JuliaTransform juliaTransform = new JuliaTransform(complex, i);
+ assert juliaTransform.getPoint().getRealPart() != 2;
+ assert juliaTransform.getPoint().getImaginaryPart() != 2;
+ }
+
+ @Test
+ public void getSignNegativeTest() {
+ Complex complex = new Complex(1, 1);
+ int i = 1;
+ JuliaTransform juliaTransform = new JuliaTransform(complex, i);
+ assert juliaTransform.getSign() != 2;
+ }
+
+ @Test
+ public void transformNegativeTest1() {
+ Complex juliaPoint = new Complex(0.5, -0.5);
+ int sign = 1;
+ JuliaTransform juliaTransform = new JuliaTransform(juliaPoint, sign);
+ try {
+ Vector2D result = juliaTransform.transform(null);
+ } catch (IllegalArgumentException e) {
+ System.out.println(e.getMessage());
+ }
+ }
+
+ @Test
+ public void transformNegativeTest2() {
+ Vector2D complexToTransform = new Vector2D(1, 1);
+ Complex juliaPoint = new Complex(0.5, -0.5);
+ int sign = 1;
+ JuliaTransform juliaTransform = new JuliaTransform(juliaPoint, sign);
+ try {
+ Vector2D result = juliaTransform.transform(complexToTransform);
+ } catch (IllegalArgumentException e) {
+ System.out.println(e.getMessage());
+ }
+ }
+}
\ No newline at end of file