190 files changed, 716 insertions, 80 deletions

diff --git a/.DS_Store b/.DS_Store
index f18ac5d..df237ad 100644
--- a/.DS_Store
+++ b/.DS_Store
diff --git a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_deps b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_deps
index 3c0a214..9c478ad 100644
--- a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_deps
+++ b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_deps
diff --git a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_log b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_log
index d453808..e87be80 100644
--- a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_log
+++ b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/.ninja_log
@@ -1,39 +1,75 @@
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diff --git a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray
index 8267223..2b252cb 100755
--- a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray
+++ b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray
diff --git a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray_autogen/UVLADIE3JM/moc_mainwindow.cpp b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray_autogen/UVLADIE3JM/moc_mainwindow.cpp
index 6f73b5a..b36939a 100644
--- a/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray_autogen/UVLADIE3JM/moc_mainwindow.cpp
+++ b/build/build-the-all-americans-in-cs1230-Qt_6_5_2_for_macOS-Release/projects_ray_autogen/UVLADIE3JM/moc_mainwindow.cpp
@@ -68,11 +68,12 @@ static constexpr auto qt_meta_stringdata_CLASSMainWindowENDCLASS = QtMocHelpers:
     "updateZwSlider",
     "updateRotationSlider",
     "onValChangeWSlider",
-    "onValChangeWBox"
+    "onValChangeWBox",
+    "updateTimeValue"
 );
 #else  // !QT_MOC_HAS_STRING_DATA
 struct qt_meta_stringdata_CLASSMainWindowENDCLASS_t {
-    uint offsetsAndSizes[60];
+    uint offsetsAndSizes[62];
     char stringdata0[11];
     char stringdata1[13];
     char stringdata2[1];
@@ -103,6 +104,7 @@ struct qt_meta_stringdata_CLASSMainWindowENDCLASS_t {
     char stringdata27[21];
     char stringdata28[19];
     char stringdata29[16];
+    char stringdata30[16];
 };
 #define QT_MOC_LITERAL(ofs, len) \
     uint(sizeof(qt_meta_stringdata_CLASSMainWindowENDCLASS_t::offsetsAndSizes) + ofs), len 
@@ -137,7 +139,8 @@ Q_CONSTINIT static const qt_meta_stringdata_CLASSMainWindowENDCLASS_t qt_meta_st
         QT_MOC_LITERAL(420, 14),  // "updateZwSlider"
         QT_MOC_LITERAL(435, 20),  // "updateRotationSlider"
         QT_MOC_LITERAL(456, 18),  // "onValChangeWSlider"
-        QT_MOC_LITERAL(475, 15)   // "onValChangeWBox"
+        QT_MOC_LITERAL(475, 15),  // "onValChangeWBox"
+        QT_MOC_LITERAL(491, 15)   // "updateTimeValue"
     },
     "MainWindow",
     "onUploadFile",
@@ -168,7 +171,8 @@ Q_CONSTINIT static const qt_meta_stringdata_CLASSMainWindowENDCLASS_t qt_meta_st
     "updateZwSlider",
     "updateRotationSlider",
     "onValChangeWSlider",
-    "onValChangeWBox"
+    "onValChangeWBox",
+    "updateTimeValue"
 };
 #undef QT_MOC_LITERAL
 #endif // !QT_MOC_HAS_STRING_DATA
@@ -180,7 +184,7 @@ Q_CONSTINIT static const uint qt_meta_data_CLASSMainWindowENDCLASS[] = {
       11,       // revision
        0,       // classname
        0,    0, // classinfo
-      27,   14, // methods
+      28,   14, // methods
        0,    0, // properties
        0,    0, // enums/sets
        0,    0, // constructors
@@ -188,33 +192,34 @@ Q_CONSTINIT static const uint qt_meta_data_CLASSMainWindowENDCLASS[] = {
        0,       // signalCount
 
  // slots: name, argc, parameters, tag, flags, initial metatype offsets
-       1,    0,  176,    2, 0x08,    1 /* Private */,
-       3,    0,  177,    2, 0x08,    2 /* Private */,
-       4,    0,  178,    2, 0x08,    3 /* Private */,
-       5,    1,  179,    2, 0x08,    4 /* Private */,
-       7,    1,  182,    2, 0x08,    6 /* Private */,
-       8,    1,  185,    2, 0x08,    8 /* Private */,
-       9,    1,  188,    2, 0x08,   10 /* Private */,
-      10,    1,  191,    2, 0x08,   12 /* Private */,
-      11,    1,  194,    2, 0x08,   14 /* Private */,
-      12,    1,  197,    2, 0x08,   16 /* Private */,
-      13,    1,  200,    2, 0x08,   18 /* Private */,
-      14,    1,  203,    2, 0x08,   20 /* Private */,
-      15,    1,  206,    2, 0x08,   22 /* Private */,
-      16,    1,  209,    2, 0x08,   24 /* Private */,
-      17,    1,  212,    2, 0x08,   26 /* Private */,
-      18,    1,  215,    2, 0x08,   28 /* Private */,
-      19,    1,  218,    2, 0x08,   30 /* Private */,
-      20,    0,  221,    2, 0x08,   32 /* Private */,
-      21,    1,  222,    2, 0x08,   33 /* Private */,
-      22,    1,  225,    2, 0x08,   35 /* Private */,
-      23,    1,  228,    2, 0x08,   37 /* Private */,
-      24,    1,  231,    2, 0x08,   39 /* Private */,
-      25,    1,  234,    2, 0x08,   41 /* Private */,
-      26,    1,  237,    2, 0x08,   43 /* Private */,
-      27,    1,  240,    2, 0x08,   45 /* Private */,
-      28,    1,  243,    2, 0x08,   47 /* Private */,
-      29,    1,  246,    2, 0x08,   49 /* Private */,
+       1,    0,  182,    2, 0x08,    1 /* Private */,
+       3,    0,  183,    2, 0x08,    2 /* Private */,
+       4,    0,  184,    2, 0x08,    3 /* Private */,
+       5,    1,  185,    2, 0x08,    4 /* Private */,
+       7,    1,  188,    2, 0x08,    6 /* Private */,
+       8,    1,  191,    2, 0x08,    8 /* Private */,
+       9,    1,  194,    2, 0x08,   10 /* Private */,
+      10,    1,  197,    2, 0x08,   12 /* Private */,
+      11,    1,  200,    2, 0x08,   14 /* Private */,
+      12,    1,  203,    2, 0x08,   16 /* Private */,
+      13,    1,  206,    2, 0x08,   18 /* Private */,
+      14,    1,  209,    2, 0x08,   20 /* Private */,
+      15,    1,  212,    2, 0x08,   22 /* Private */,
+      16,    1,  215,    2, 0x08,   24 /* Private */,
+      17,    1,  218,    2, 0x08,   26 /* Private */,
+      18,    1,  221,    2, 0x08,   28 /* Private */,
+      19,    1,  224,    2, 0x08,   30 /* Private */,
+      20,    0,  227,    2, 0x08,   32 /* Private */,
+      21,    1,  228,    2, 0x08,   33 /* Private */,
+      22,    1,  231,    2, 0x08,   35 /* Private */,
+      23,    1,  234,    2, 0x08,   37 /* Private */,
+      24,    1,  237,    2, 0x08,   39 /* Private */,
+      25,    1,  240,    2, 0x08,   41 /* Private */,
+      26,    1,  243,    2, 0x08,   43 /* Private */,
+      27,    1,  246,    2, 0x08,   45 /* Private */,
+      28,    1,  249,    2, 0x08,   47 /* Private */,
+      29,    1,  252,    2, 0x08,   49 /* Private */,
+      30,    0,  255,    2, 0x08,   51 /* Private */,
 
  // slots: parameters
     QMetaType::Void,
@@ -244,6 +249,7 @@ Q_CONSTINIT static const uint qt_meta_data_CLASSMainWindowENDCLASS[] = {
     QMetaType::Void, QMetaType::Float,    6,
     QMetaType::Void, QMetaType::Int,    6,
     QMetaType::Void, QMetaType::Double,    6,
+    QMetaType::Void,
 
        0        // eod
 };
@@ -333,7 +339,9 @@ Q_CONSTINIT const QMetaObject MainWindow::staticMetaObject = { {
         QtPrivate::TypeAndForceComplete<int, std::false_type>,
         // method 'onValChangeWBox'
         QtPrivate::TypeAndForceComplete<void, std::false_type>,
-        QtPrivate::TypeAndForceComplete<double, std::false_type>
+        QtPrivate::TypeAndForceComplete<double, std::false_type>,
+        // method 'updateTimeValue'
+        QtPrivate::TypeAndForceComplete<void, std::false_type>
     >,
     nullptr
 } };
@@ -371,6 +379,7 @@ void MainWindow::qt_static_metacall(QObject *_o, QMetaObject::Call _c, int _id,
         case 24: _t->updateRotationSlider((*reinterpret_cast< std::add_pointer_t<float>>(_a[1]))); break;
         case 25: _t->onValChangeWSlider((*reinterpret_cast< std::add_pointer_t<int>>(_a[1]))); break;
         case 26: _t->onValChangeWBox((*reinterpret_cast< std::add_pointer_t<double>>(_a[1]))); break;
+        case 27: _t->updateTimeValue(); break;
         default: ;
         }
     }
@@ -395,13 +404,13 @@ int MainWindow::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
     if (_id < 0)
         return _id;
     if (_c == QMetaObject::InvokeMetaMethod) {
-        if (_id < 27)
+        if (_id < 28)
             qt_static_metacall(this, _c, _id, _a);
-        _id -= 27;
+        _id -= 28;
     } else if (_c == QMetaObject::RegisterMethodArgumentMetaType) {
-        if (_id < 27)
+        if (_id < 28)
             *reinterpret_cast<QMetaType *>(_a[0]) = QMetaType();
-        _id -= 27;
+        _id -= 28;
     }
     return _id;
 }
diff --git a/scenefiles-4d/sphere_lattic.json b/scenefiles-4d/sphere_lattic.json
new file mode 100644
index 0000000..31a05c9
--- /dev/null
+++ b/scenefiles-4d/sphere_lattic.json
@@ -0,0 +1,277 @@
+{
+  "name": "root",
+  "globalData": {
+    "ambientCoeff": 0.5,
+    "diffuseCoeff": 0.5,
+    "specularCoeff": 0.5,
+    "transparentCoeff": 0.5,
+    "gravity": [0.0, -0.0098, 0.0, 0.0]
+  },
+  "cameraData": {
+    "position": [3.0, 3.0, 3.0, 1.0],
+    "up": [0.0, 1.0, 0.0, 0.0],
+    "heightAngle": 30.0,
+    "depthAngle": 30.0,
+    "focus": [0.0, 0.0, 0.0, 0.0],
+    "over": [0.0, 0.0, 0.0, 1.0]
+  },
+  "groups": [
+    {
+      "lights": [
+        {
+          "type": "directional",
+          "color": [1.0, 1.0, 1.0],
+          "direction": [0.0, -1.0, 0.0, 0.0]
+        },
+        {
+          "type": "directional",
+          "color": [1.0, 1.0, 1.0],
+          "direction": [1.0, 1.0, 3.0, 3.0]
+        }
+      ]
+    },
+    {
+      "groups": [
+        {
+          "translate": [-2.0, -2.0, -2.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [1.0, 0.0, 0.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [2.0, 2.0, 2.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 1.0, 0.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 2.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 4.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 2.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular":
+                [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 2.0, 2.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 2.0, 4.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 4.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 4.0, 2.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 4.0, 4.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+            }
+            ]
+        },
+        {
+          "translate": [2.0, 0.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [2.0, 0.0, 2.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [2.0, 0.0, 4.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [1.0, 1.0, 1.0, 1.0],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+                        }
+        ]
+    }
+    ]
+}
diff --git a/scenefiles-4d/sphere_lattic2.json b/scenefiles-4d/sphere_lattic2.json
new file mode 100644
index 0000000..6e764c7
--- /dev/null
+++ b/scenefiles-4d/sphere_lattic2.json
@@ -0,0 +1,313 @@
+{
+  "name": "root",
+  "globalData": {
+    "ambientCoeff": 0.5,
+    "diffuseCoeff": 0.5,
+    "specularCoeff": 0.5,
+    "transparentCoeff": 0,
+    "gravity": [0.0, -0.0098, 0.0, 0.0]
+  },
+  "cameraData": {
+    "position": [3.0, 3.0, 3.0, 1.0],
+    "up": [0.0, 1.0, 0.0, 0.0],
+    "heightAngle": 30.0,
+    "depthAngle": 30.0,
+    "focus": [0.0, 0.0, 0.0, 0.0],
+    "over": [0.0, 0.0, 0.0, 1.0]
+  },
+  "groups": [
+    {
+      "lights": [
+        {
+          "type": "directional",
+          "color": [1.0, 1.0, 1.0],
+          "direction": [0.0, -1.0, 0.0, 0.0]
+        },
+        {
+          "type": "directional",
+          "color": [1.0, 1.0, 1.0],
+          "direction": [1.0, 1.0, 3.0, 3.0]
+        }
+      ]
+    },
+    {
+      "groups": [
+        {
+          "translate": [1.0, 0.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 1.0, 0.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [1.0, 1.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 1.0, 0.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [1.0, 1.0, 1.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [1.0, 1.0, 1.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 1.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 1.0, 1.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular":
+                [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 1.0, 1.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 1.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 1.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 0.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [1.0, 0.0, 1.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+            }
+            ]
+        },
+        {
+          "translate": [1.0, 0.0, 1.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [1.0, 0.0, 0.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 1.0, 0.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [0.0, 0.0, 0.0, 0.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        },
+        {
+          "translate": [1.0, 1.0, 0.0, 1.0],
+          "rotate": [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0],
+          "scale": [0.5, 0.5, 0.5, 0.5],
+          "primitives": [
+                {
+                "type": "sphere",
+                "diffuse": [0.0, 0.0, 1.0],
+                "specular": [1.0, 1.0, 1.0],
+                "shininess": 25.0,
+                "velocity": [0.0, 0.0, 0.0, 0.0],
+                "reflective": [0.6, 0.6, 0.6],
+                "transparent": [0.2, 0.2, 0.2],
+                "ior": 1.01
+                }
+            ]
+        }
+        ]
+    }
+    ]
+}
+            
+           
\ No newline at end of file
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index ac65c1f..4eda325 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -26,22 +26,22 @@ void MainWindow::initialize() {
     font.setPointSize(12);
     font.setBold(true);
     QLabel *xy_label = new QLabel(); // XY label
-    xy_label->setText("XY value:");
+    xy_label->setText("Camera XY:");
     xy_label->setFont(font);
     QLabel *xz_label = new QLabel(); // XZ label
-    xz_label->setText("XZ value:");
+    xz_label->setText("Camera XZ:");
     xz_label->setFont(font);
     QLabel *xw_label = new QLabel(); // XW label
-    xw_label->setText("XW value:");
+    xw_label->setText("Camera XW:");
     xw_label->setFont(font);
     QLabel *yz_label = new QLabel(); // YZ label
-    yz_label->setText("YZ value:");
+    yz_label->setText("Camera YZ:");
     yz_label->setFont(font);
     QLabel *yw_label = new QLabel(); // YW label
-    yw_label->setText("YW value:");
+    yw_label->setText("Camera YW:");
     yw_label->setFont(font);
     QLabel *zw_label = new QLabel(); // ZW label
-    zw_label->setText("ZW value:");
+    zw_label->setText("Camera ZW:");
     zw_label->setFont(font);
     QLabel *w_label = new QLabel(); // W label
     w_label->setText("W value:");
@@ -526,6 +526,7 @@ void MainWindow::onRotateNegative() {
 void MainWindow::updateXySlider(double value) {
     xySlider->setValue(int(value*100.f));
     xyBox->setValue(value);
+    settings.xy = xyBox->value();
     rayTracer->settingsChanged(imageLabel);
 }
 
diff --git a/src/raytracer/raytracer.cpp b/src/raytracer/raytracer.cpp
index b5e8986..dbc1988 100644
--- a/src/raytracer/raytracer.cpp
+++ b/src/raytracer/raytracer.cpp
@@ -181,7 +181,7 @@ void RayTracer::sceneChanged(QLabel* imageLabel) {
     QImage flippedImage = image.mirrored(false, false);
     flippedImage = flippedImage.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
     imageLabel->setPixmap(QPixmap::fromImage(flippedImage));
-    m_controlPointIndex++;
+    // m_controlPointIndex++;
 
 
     // QTimer::singleShot(3500, this, [this, imageLabel]() {
diff --git a/student_outputs/0000.png b/student_outputs/0000.png
index 0ef904a..615555a 100644
--- a/student_outputs/0000.png
+++ b/student_outputs/0000.png
diff --git a/student_outputs/0001.png b/student_outputs/0001.png
index 44de89b..2d9a3e4 100644
--- a/student_outputs/0001.png
+++ b/student_outputs/0001.png
diff --git a/student_outputs/0002.png b/student_outputs/0002.png
index 44de89b..2d9a3e4 100644
--- a/student_outputs/0002.png
+++ b/student_outputs/0002.png
diff --git a/student_outputs/0003.png b/student_outputs/0003.png
index 91ab936..25678e0 100644
--- a/student_outputs/0003.png
+++ b/student_outputs/0003.png
diff --git a/student_outputs/0004.png b/student_outputs/0004.png
index 91ab936..25678e0 100644
--- a/student_outputs/0004.png
+++ b/student_outputs/0004.png
diff --git a/student_outputs/0005.png b/student_outputs/0005.png
index 31ede8f..132ecc9 100644
--- a/student_outputs/0005.png
+++ b/student_outputs/0005.png
diff --git a/student_outputs/0006.png b/student_outputs/0006.png
index 31ede8f..132ecc9 100644
--- a/student_outputs/0006.png
+++ b/student_outputs/0006.png
diff --git a/student_outputs/0007.png b/student_outputs/0007.png
index e8527ab..a9828e9 100644
--- a/student_outputs/0007.png
+++ b/student_outputs/0007.png
diff --git a/student_outputs/0008.png b/student_outputs/0008.png
index e8527ab..a9828e9 100644
--- a/student_outputs/0008.png
+++ b/student_outputs/0008.png
diff --git a/student_outputs/0009.png b/student_outputs/0009.png
index 0d2788a..16d6c38 100644
--- a/student_outputs/0009.png
+++ b/student_outputs/0009.png
diff --git a/student_outputs/0010.png b/student_outputs/0010.png
index 0d2788a..16d6c38 100644
--- a/student_outputs/0010.png
+++ b/student_outputs/0010.png
diff --git a/student_outputs/0011.png b/student_outputs/0011.png
index 9f1c6c7..802f665 100644
--- a/student_outputs/0011.png
+++ b/student_outputs/0011.png
diff --git a/student_outputs/0012.png b/student_outputs/0012.png
index 9f1c6c7..802f665 100644
--- a/student_outputs/0012.png
+++ b/student_outputs/0012.png
diff --git a/student_outputs/0013.png b/student_outputs/0013.png
index a34e7ad..024863b 100644
--- a/student_outputs/0013.png
+++ b/student_outputs/0013.png
diff --git a/student_outputs/0014.png b/student_outputs/0014.png
index a34e7ad..024863b 100644
--- a/student_outputs/0014.png
+++ b/student_outputs/0014.png
diff --git a/student_outputs/0015.png b/student_outputs/0015.png
index 8572a09..7e83ea7 100644
--- a/student_outputs/0015.png
+++ b/student_outputs/0015.png
diff --git a/student_outputs/0016.png b/student_outputs/0016.png
index 8572a09..7e83ea7 100644
--- a/student_outputs/0016.png
+++ b/student_outputs/0016.png
diff --git a/student_outputs/0017.png b/student_outputs/0017.png
index fbede17..4222102 100644
--- a/student_outputs/0017.png
+++ b/student_outputs/0017.png
diff --git a/student_outputs/0018.png b/student_outputs/0018.png
index fbede17..4222102 100644
--- a/student_outputs/0018.png
+++ b/student_outputs/0018.png
diff --git a/student_outputs/0019.png b/student_outputs/0019.png
index 314c72c..4daf0e1 100644
--- a/student_outputs/0019.png
+++ b/student_outputs/0019.png
diff --git a/student_outputs/0020.png b/student_outputs/0020.png
index 314c72c..4daf0e1 100644
--- a/student_outputs/0020.png
+++ b/student_outputs/0020.png
diff --git a/student_outputs/0021.png b/student_outputs/0021.png
index 4fcb3f7..012f7cd 100644
--- a/student_outputs/0021.png
+++ b/student_outputs/0021.png
diff --git a/student_outputs/0022.png b/student_outputs/0022.png
index 4fcb3f7..012f7cd 100644
--- a/student_outputs/0022.png
+++ b/student_outputs/0022.png
diff --git a/student_outputs/0023.png b/student_outputs/0023.png
index d531ca1..4835290 100644
--- a/student_outputs/0023.png
+++ b/student_outputs/0023.png
diff --git a/student_outputs/0024.png b/student_outputs/0024.png
index d531ca1..4835290 100644
--- a/student_outputs/0024.png
+++ b/student_outputs/0024.png
diff --git a/student_outputs/0025.png b/student_outputs/0025.png
index d730781..4eb11a4 100644
--- a/student_outputs/0025.png
+++ b/student_outputs/0025.png
diff --git a/student_outputs/0026.png b/student_outputs/0026.png
index d730781..4eb11a4 100644
--- a/student_outputs/0026.png
+++ b/student_outputs/0026.png
diff --git a/student_outputs/0027.png b/student_outputs/0027.png
index 276303b..01ca08d 100644
--- a/student_outputs/0027.png
+++ b/student_outputs/0027.png
diff --git a/student_outputs/0028.png b/student_outputs/0028.png
index 276303b..01ca08d 100644
--- a/student_outputs/0028.png
+++ b/student_outputs/0028.png
diff --git a/student_outputs/0029.png b/student_outputs/0029.png
index f00614c..b2a3cc1 100644
--- a/student_outputs/0029.png
+++ b/student_outputs/0029.png
diff --git a/student_outputs/0030.png b/student_outputs/0030.png
index f00614c..b2a3cc1 100644
--- a/student_outputs/0030.png
+++ b/student_outputs/0030.png
diff --git a/student_outputs/0031.png b/student_outputs/0031.png
index 271eba5..311dfe7 100644
--- a/student_outputs/0031.png
+++ b/student_outputs/0031.png
diff --git a/student_outputs/0032.png b/student_outputs/0032.png
index 271eba5..311dfe7 100644
--- a/student_outputs/0032.png
+++ b/student_outputs/0032.png
diff --git a/student_outputs/0033.png b/student_outputs/0033.png
index d02ef73..ed50255 100644
--- a/student_outputs/0033.png
+++ b/student_outputs/0033.png
diff --git a/student_outputs/0034.png b/student_outputs/0034.png
index d02ef73..ed50255 100644
--- a/student_outputs/0034.png
+++ b/student_outputs/0034.png
diff --git a/student_outputs/0035.png b/student_outputs/0035.png
index 79a7683..e40d504 100644
--- a/student_outputs/0035.png
+++ b/student_outputs/0035.png
diff --git a/student_outputs/0036.png b/student_outputs/0036.png
index 79a7683..e40d504 100644
--- a/student_outputs/0036.png
+++ b/student_outputs/0036.png
diff --git a/student_outputs/0037.png b/student_outputs/0037.png
index 5ad2d6f..126bd04 100644
--- a/student_outputs/0037.png
+++ b/student_outputs/0037.png
diff --git a/student_outputs/0038.png b/student_outputs/0038.png
index 5ad2d6f..126bd04 100644
--- a/student_outputs/0038.png
+++ b/student_outputs/0038.png
diff --git a/student_outputs/0039.png b/student_outputs/0039.png
index 959da0d..115f9c6 100644
--- a/student_outputs/0039.png
+++ b/student_outputs/0039.png
diff --git a/student_outputs/0040.png b/student_outputs/0040.png
index 959da0d..115f9c6 100644
--- a/student_outputs/0040.png
+++ b/student_outputs/0040.png
diff --git a/student_outputs/0041.png b/student_outputs/0041.png
index 935d8ce..bffbda2 100644
--- a/student_outputs/0041.png
+++ b/student_outputs/0041.png
diff --git a/student_outputs/0042.png b/student_outputs/0042.png
index 935d8ce..bffbda2 100644
--- a/student_outputs/0042.png
+++ b/student_outputs/0042.png
diff --git a/student_outputs/0043.png b/student_outputs/0043.png
index 85ccfc5..615555a 100644
--- a/student_outputs/0043.png
+++ b/student_outputs/0043.png
diff --git a/student_outputs/0044.png b/student_outputs/0044.png
index 85ccfc5..615555a 100644
--- a/student_outputs/0044.png
+++ b/student_outputs/0044.png
diff --git a/student_outputs/0045.png b/student_outputs/0045.png
index 945fd4c..615555a 100644
--- a/student_outputs/0045.png
+++ b/student_outputs/0045.png
diff --git a/student_outputs/0046.png b/student_outputs/0046.png
index 945fd4c..615555a 100644
--- a/student_outputs/0046.png
+++ b/student_outputs/0046.png
diff --git a/student_outputs/0047.png b/student_outputs/0047.png
index 3f2b088..0bd74e1 100644
--- a/student_outputs/0047.png
+++ b/student_outputs/0047.png
diff --git a/student_outputs/0048.png b/student_outputs/0048.png
index 3f2b088..0bd74e1 100644
--- a/student_outputs/0048.png
+++ b/student_outputs/0048.png
diff --git a/student_outputs/0049.png b/student_outputs/0049.png
index f9b9b68..f1c136f 100644
--- a/student_outputs/0049.png
+++ b/student_outputs/0049.png
diff --git a/student_outputs/0050.png b/student_outputs/0050.png
index f9b9b68..f1c136f 100644
--- a/student_outputs/0050.png
+++ b/student_outputs/0050.png
diff --git a/student_outputs/0051.png b/student_outputs/0051.png
index f1d42d8..f818b71 100644
--- a/student_outputs/0051.png
+++ b/student_outputs/0051.png
diff --git a/student_outputs/0052.png b/student_outputs/0052.png
index f1d42d8..f818b71 100644
--- a/student_outputs/0052.png
+++ b/student_outputs/0052.png
diff --git a/student_outputs/0053.png b/student_outputs/0053.png
index d7f85bc..efc956b 100644
--- a/student_outputs/0053.png
+++ b/student_outputs/0053.png
diff --git a/student_outputs/0054.png b/student_outputs/0054.png
index d7f85bc..efc956b 100644
--- a/student_outputs/0054.png
+++ b/student_outputs/0054.png
diff --git a/student_outputs/0055.png b/student_outputs/0055.png
index ed6f75c..daa07bb 100644
--- a/student_outputs/0055.png
+++ b/student_outputs/0055.png
diff --git a/student_outputs/0056.png b/student_outputs/0056.png
index ed6f75c..daa07bb 100644
--- a/student_outputs/0056.png
+++ b/student_outputs/0056.png
diff --git a/student_outputs/0057.png b/student_outputs/0057.png
index 1f89d65..515144c 100644
--- a/student_outputs/0057.png
+++ b/student_outputs/0057.png
diff --git a/student_outputs/0058.png b/student_outputs/0058.png
index 1f89d65..515144c 100644
--- a/student_outputs/0058.png
+++ b/student_outputs/0058.png
diff --git a/student_outputs/0059.png b/student_outputs/0059.png
index e19e336..c1f5ddb 100644
--- a/student_outputs/0059.png
+++ b/student_outputs/0059.png
diff --git a/student_outputs/0060.png b/student_outputs/0060.png
index e19e336..c1f5ddb 100644
--- a/student_outputs/0060.png
+++ b/student_outputs/0060.png
diff --git a/student_outputs/0061.png b/student_outputs/0061.png
index f8663d3..dae250f 100644
--- a/student_outputs/0061.png
+++ b/student_outputs/0061.png
diff --git a/student_outputs/0062.png b/student_outputs/0062.png
index f8663d3..dae250f 100644
--- a/student_outputs/0062.png
+++ b/student_outputs/0062.png
diff --git a/student_outputs/0063.png b/student_outputs/0063.png
index 84c21f0..84b2df6 100644
--- a/student_outputs/0063.png
+++ b/student_outputs/0063.png
diff --git a/student_outputs/0064.png b/student_outputs/0064.png
index 84c21f0..84b2df6 100644
--- a/student_outputs/0064.png
+++ b/student_outputs/0064.png
diff --git a/student_outputs/0065.png b/student_outputs/0065.png
index 59cc7db..85e5210 100644
--- a/student_outputs/0065.png
+++ b/student_outputs/0065.png
diff --git a/student_outputs/0066.png b/student_outputs/0066.png
index 59cc7db..85e5210 100644
--- a/student_outputs/0066.png
+++ b/student_outputs/0066.png
diff --git a/student_outputs/0067.png b/student_outputs/0067.png
index 9a78433..20209c1 100644
--- a/student_outputs/0067.png
+++ b/student_outputs/0067.png
diff --git a/student_outputs/0068.png b/student_outputs/0068.png
index 9a78433..20209c1 100644
--- a/student_outputs/0068.png
+++ b/student_outputs/0068.png
diff --git a/student_outputs/0069.png b/student_outputs/0069.png
index 9ddee1c..e4b1511 100644
--- a/student_outputs/0069.png
+++ b/student_outputs/0069.png
diff --git a/student_outputs/0070.png b/student_outputs/0070.png
index 9ddee1c..e4b1511 100644
--- a/student_outputs/0070.png
+++ b/student_outputs/0070.png
diff --git a/student_outputs/0071.png b/student_outputs/0071.png
index 1ffeedb..466eec1 100644
--- a/student_outputs/0071.png
+++ b/student_outputs/0071.png
diff --git a/student_outputs/0072.png b/student_outputs/0072.png
index 1ffeedb..466eec1 100644
--- a/student_outputs/0072.png
+++ b/student_outputs/0072.png
diff --git a/student_outputs/0073.png b/student_outputs/0073.png
index 496f505..3c8cfba 100644
--- a/student_outputs/0073.png
+++ b/student_outputs/0073.png
diff --git a/student_outputs/0074.png b/student_outputs/0074.png
index 496f505..3c8cfba 100644
--- a/student_outputs/0074.png
+++ b/student_outputs/0074.png
diff --git a/student_outputs/0075.png b/student_outputs/0075.png
index eb9dcc0..cc7430c 100644
--- a/student_outputs/0075.png
+++ b/student_outputs/0075.png
diff --git a/student_outputs/0076.png b/student_outputs/0076.png
index eb9dcc0..cc7430c 100644
--- a/student_outputs/0076.png
+++ b/student_outputs/0076.png
diff --git a/student_outputs/0077.png b/student_outputs/0077.png
index 48085bb..a520cbf 100644
--- a/student_outputs/0077.png
+++ b/student_outputs/0077.png
diff --git a/student_outputs/0078.png b/student_outputs/0078.png
index 48085bb..a520cbf 100644
--- a/student_outputs/0078.png
+++ b/student_outputs/0078.png
diff --git a/student_outputs/0079.png b/student_outputs/0079.png
index d37576c..508868e 100644
--- a/student_outputs/0079.png
+++ b/student_outputs/0079.png
diff --git a/student_outputs/0080.png b/student_outputs/0080.png
index d37576c..508868e 100644
--- a/student_outputs/0080.png
+++ b/student_outputs/0080.png
diff --git a/student_outputs/0081.png b/student_outputs/0081.png
index 9c7c9f3..e8ba2f2 100644
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