diff --git a/Shared/ContentView.swift b/Shared/ContentView.swift
index 8953792..2eddc5f 100644
--- a/Shared/ContentView.swift
+++ b/Shared/ContentView.swift
@@ -3,11 +3,15 @@
 //  Shared
 //
 //  Created by Delta on 24/5/22.
+//  Edited by Astra on 1/8/23.
 //
 
 import AVFoundation
 import SwiftUI
 
+var swipePreview = true
+var chosenColor = 1.0
+
 struct ContentView: View {
     var body: some View {
         CameraView()
@@ -22,21 +26,25 @@ struct ContentView_Previews: PreviewProvider {
 
 struct CameraView: View{
     @State private var filtersPreview = [
-        FilterModel(filter: .circle, isPreview: true),
-        FilterModel(filter: .rectangle, isPreview: true),
-        FilterModel(filter: .lines, isPreview: true),
-        FilterModel(filter: .start, isPreview: true)
+        FilterModel(filter: .circle, isPreview: true, color: chosenColor),
+        FilterModel(filter: .rectangle, isPreview: true, color: abs(chosenColor - 1.0)),
+        FilterModel(filter: .lines, isPreview: true, color: abs(chosenColor - 1.0)),
+        FilterModel(filter: .start, isPreview: true, color: chosenColor)
     ]
     @StateObject var camera = CameraModel()
     @StateObject var viewModel = ViewModel()
     var body: some View{
+        let _ = print("test")
         GeometryReader { geometry in
             VStack{
                 ZStack(alignment: .center){
                     CameraPreview(camera: camera).ignoresSafeArea(.all, edges: .all
                     ).frame(width: geometry.size.width, alignment: .center)
-                    Filter(data: FilterModel(filter: viewModel.indexFilter, isPreview: false))
-                        .clipped()
+                    // this code adds the filter
+                    if (swipePreview) {
+                        Filter(data: FilterModel(filter: viewModel.indexFilter, isPreview: false, color: chosenColor))
+                            .clipped()
+                    }
                 }.onAppear {
                     camera.Check()
                 }.frame(width: geometry.size.width, height: geometry.size.height / 1.4, alignment: .center).clipped()
@@ -50,6 +58,28 @@ struct CameraView: View{
                   }
                 }.frame(height: Constant.sizeWidthPreview)
                 .background(Color.gray)
+                HStack(alignment: .center) {
+                    Button(action: {
+                        if chosenColor == 1.0 {
+                            chosenColor = 0.0
+                        } else {
+                            chosenColor = 1.0
+                        }
+                    }) {
+                        Text("Color Toggle")
+                        .padding(10)
+                        .foregroundColor(.white)
+                        .background(Color.pink)
+                    }
+                    Button(action: {
+                        swipePreview.toggle()
+                    }) {
+                        Text("Show/Hide Toggle")
+                        .padding(10)
+                        .foregroundColor(.white)
+                        .background(Color.pink)
+                    }
+                }
             }
         }
     }
@@ -62,6 +92,7 @@ struct TakePictureButton: View {
             HStack{
                 if isTaken {
                     Button(action: {}, label: {
+                        
                         //todo
                     })
                 }else{
@@ -169,5 +200,3 @@ struct CameraPreview: UIViewRepresentable {
         
     }
 }
-
-
diff --git a/Shared/FCircle.swift b/Shared/FCircle.swift
index de2b5d7..ea1dabc 100644
--- a/Shared/FCircle.swift
+++ b/Shared/FCircle.swift
@@ -3,24 +3,27 @@
 //  MoireLens (iOS)
 //
 //  Created by Delta on 11/7/22.
+//  Edited by Astra on 1/8/23.
 //
 
 import SwiftUI
 
 struct FCircle: View{
     var isPreview = false
+    var color = 1.0
     var numShapes: Int
     
-    init(isPreview: Bool) {
+    init(isPreview: Bool, color: Double) {
         self.isPreview = isPreview
         self.numShapes = Constant.num / (isPreview ? 3 : 1)
+        self.color = color
     }
     
     var body: some View{
             ZStack(alignment: .center){
                 ForEach(Array(stride(from: 0, to: numShapes, by: 4)), id: \.self) { i in
                     Circle()
-                        .stroke(Color.white, lineWidth: Constant.borderWidth)
+                        .stroke(Color(white: color), lineWidth: Constant.borderWidth)
                     .frame(
                         width: Constant.minSizeShape + (CGFloat(i) * 4),
                         height: Constant.minSizeShape + (CGFloat(i) * 4),
diff --git a/Shared/FLines.swift b/Shared/FLines.swift
index ca0776a..4d3b1cf 100644
--- a/Shared/FLines.swift
+++ b/Shared/FLines.swift
@@ -3,25 +3,26 @@
 //  MoireLens (iOS)
 //
 //  Created by Delta on 11/7/22.
+//  Edited by Astra on 1/8/23.
 //
 
 import SwiftUI
 
 struct FLines: View{
     var isPreview = false
+    var color = 0.0
     var scale: Int
-    
-    init(isPreview: Bool) {
+    init(isPreview: Bool, color: Double) {
         self.isPreview = isPreview
         self.scale = isPreview ? 3 : 5
+        self.color = color
     }
-    
     var body: some View{
         GeometryReader { geometry in
             HStack{
-                ForEach(0..<Constant.num) { i in
+                ForEach(0..<Constant.num, id: \.self) { i in
                         Rectangle()
-                        .fill(Color.black)
+                        .fill(Color(white: color))
                         .frame(
                             width: Constant.borderWidth,
                             height: geometry.size.height)
diff --git a/Shared/FReactangle.swift b/Shared/FReactangle.swift
index 7e4f8b2..24caf23 100644
--- a/Shared/FReactangle.swift
+++ b/Shared/FReactangle.swift
@@ -3,24 +3,27 @@
 //  MoireLens (iOS)
 //
 //  Created by Delta on 11/7/22.
+//  Edited by Astra on 1/8/23.
 //
 
 import SwiftUI
 
 struct FReactngle: View{
     var isPreview = false
+    var color = 0.0
     var numShapes: Int
     
-    init(isPreview: Bool) {
+    init(isPreview: Bool, color: Double) {
         self.isPreview = isPreview
         self.numShapes = Constant.num / (isPreview ? 3 : 1)
+        self.color = color
     }
     
     var body: some View{
         ZStack {
             ForEach(Array(stride(from: 0, to: numShapes, by: 4)), id: \.self) { i in
                 Rectangle()
-                    .stroke(Color.white, lineWidth: Constant.borderWidth)
+                    .stroke(Color(white: color), lineWidth: Constant.borderWidth)
                     .frame(
                         width: Constant.minSizeShape + (CGFloat(i) * 4),
                         height: Constant.minSizeShape + (CGFloat(i) * 4),
diff --git a/Shared/FStar.swift b/Shared/FStar.swift
index a8c7751..29a85d9 100644
--- a/Shared/FStar.swift
+++ b/Shared/FStar.swift
@@ -3,24 +3,27 @@
 //  MoireLens (iOS)
 //
 //  Created by Delta on 11/7/22.
+//  Edited by Astra on 1/8/23.
 //
 
 import SwiftUI
 
 struct FStart: View{
     var isPreview = false
+    var color = 1.0
     var scale: Int
     
-    init(isPreview: Bool) {
+    init(isPreview: Bool, color: Double) {
         self.isPreview = isPreview
         self.scale = Constant.num
+        self.color = color
     }
     
     var body: some View{
         ZStack{
-            ForEach(0..<scale * 5) { i in
+            ForEach(0..<scale * 5, id: \.self) { i in
                 Rectangle()
-                    .fill(Color.white)
+                    .fill(Color(white: color))
                     .frame(width: Constant.borderWidth, height: 1000)
                     .rotationEffect(Angle(degrees: Double(90 + (i * 5)) ))
             }
diff --git a/Shared/Filter.swift b/Shared/Filter.swift
index 4d96af7..c6c081d 100644
--- a/Shared/Filter.swift
+++ b/Shared/Filter.swift
@@ -2,7 +2,8 @@
 //  Filter.swift
 //  MoireLens (iOS)
 //
-//  Created by Delta on 11/7/22.
+//  Created by Delta on 11/7/22
+//  Edited by Astra on 1/8/23
 //
 
 import SwiftUI
@@ -26,13 +27,13 @@ struct Filter: View {
             } label: {
                 switch data.filter {
                 case .circle:
-                    FCircle(isPreview: data.isPreview)
+                    FCircle(isPreview: data.isPreview, color: data.color)
                 case .rectangle:
-                    FReactngle(isPreview: data.isPreview)
+                    FReactngle(isPreview: data.isPreview, color: data.color)
                 case .lines:
-                    FLines(isPreview: data.isPreview)
+                    FLines(isPreview: data.isPreview, color: data.color)
                 case .start:
-                    FStart(isPreview: data.isPreview)
+                    FStart(isPreview: data.isPreview, color: data.color)
                 }
             }.frame(width: geometry.size.width, height: geometry.size.height, alignment: .center)
         }
diff --git a/Shared/Model.swift b/Shared/Model.swift
index 7e3f07e..236f28d 100644
--- a/Shared/Model.swift
+++ b/Shared/Model.swift
@@ -2,7 +2,8 @@
 //  Model.swift
 //  MoireLens
 //
-//  Created by Delta on 13/6/22.
+//  Created by Delta on 13/6/22
+//  Edited by Astra on 1/8/23
 //
 
 import Foundation
@@ -10,4 +11,5 @@ import Foundation
 struct FilterModel {
     var filter: FILTERS
     var isPreview: Bool
+    var color: Double
 }
diff --git a/addition b/addition
new file mode 100644
index 0000000..3f790c7
--- /dev/null
+++ b/addition
@@ -0,0 +1,9 @@
+public class Main {
+  public static void main(String[] args) {
+    int sum = 0;
+    for (int i = 1; i <= 5; i++) {
+      sum = sum + i;
+    }  
+    System.out.println(sum);
+  }
+}