Swapped example code to my old project frame.

assets/shaders/skybox.fs

@@ -0,0 +1,30 @@
+#version 330
+
+// Input vertex attributes (from vertex shader)
+in vec3 fragPosition;
+
+// Input uniform values
+uniform samplerCube environmentMap;
+uniform bool vflipped;
+uniform bool doGamma;
+
+// Output fragment color
+out vec4 finalColor;
+
+void main()
+{
+    // Fetch color from texture map
+    vec3 color = vec3(0.0);
+
+    if (vflipped) color = texture(environmentMap, vec3(fragPosition.x, -fragPosition.y, fragPosition.z)).rgb;
+    else color = texture(environmentMap, fragPosition).rgb;
+
+    if (doGamma)// Apply gamma correction
+    {
+        color = color/(color + vec3(1.0));
+        color = pow(color, vec3(1.0/2.2));
+    }
+
+    // Calculate final fragment color
+    finalColor = vec4(color, 1.0);
+}

assets/shaders/skybox.vs

@@ -0,0 +1,24 @@
+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+
+// Input uniform values
+uniform mat4 matProjection;
+uniform mat4 matView;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+
+void main()
+{
+    // Calculate fragment position based on model transformations
+    fragPosition = vertexPosition;
+
+    // Remove translation from the view matrix
+    mat4 rotView = mat4(mat3(matView));
+    vec4 clipPos = matProjection*rotView*vec4(vertexPosition, 1.0);
+
+    // Calculate final vertex position
+    gl_Position = clipPos;
+}

src/main.c

@@ -1,23 +1,12 @@
-/*******************************************************************************************
-*
-*   raylib [core] example - 3d camera fps
-*
-*   Example complexity rating: [★★★☆] 3/4
-*
-*   Example originally created with raylib 5.5, last time updated with raylib 5.5
-*
-*   Example contributed by Agnis Aldins (@nezvers) and reviewed by Ramon Santamaria (@raysan5)
-*
-*   Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
-*   BSD-like license that allows static linking with closed source software
-*
-*   Copyright (c) 2025 Agnis Aldins (@nezvers)
-*
-********************************************************************************************/
-
 #include "raylib.h"
-
+#include "rcamera.h"
 #include "raymath.h"
+#include "stdbool.h"
+#include "stddef.h"
+#include "stdlib.h"
+#include "stdint.h"
+#include "rlgl.h"
+#include "float.h"
 
 //----------------------------------------------------------------------------------
 // Defines and Macros
@@ -28,47 +17,81 @@
 #define CROUCH_SPEED     5.0f
 #define JUMP_FORCE      12.0f
 #define MAX_ACCEL      150.0f
+
 // Grounded drag
 #define FRICTION         0.86f
+
 // Increasing air drag, increases strafing speed
 #define AIR_DRAG         0.98f
+
 // Responsiveness for turning movement direction to looked direction
 #define CONTROL         15.0f
 #define CROUCH_HEIGHT    0.0f
-#define STAND_HEIGHT     1.0f
+#define STAND_HEIGHT     2.0f
 #define BOTTOM_HEIGHT    0.5f
 
+// Additional definitions
 #define NORMALIZE_INPUT  0
+#define ARRLEN(a) (sizeof(a) / sizeof((a)[0]))
+
+#define FLOOR_EXTENT 25
+#define TILE_SIZE 5.0f
+
+#define PLAYER_RADIUS 0.5f
+#define PLAYER_HEIGHT 1.8f
+
+enum game_state {
+    STATE_MENU,    // 0 by default
+    STATE_GAME,    // 1
+};
 
 //----------------------------------------------------------------------------------
-// Types and Structures Definition
+//Defining program structure
 //----------------------------------------------------------------------------------
-// Body structure
-typedef struct {
-    Vector3 position;
+typedef struct
+{
+    Camera camera;   // <- now part of the game state
+    Model  model;    // you can keep model & its position here too
+    Vector3 position; 
     Vector3 velocity;
     Vector3 dir;
+    Vector2 sensitivity;
+    Vector2 lookRotation;
+    Vector2 lean;
+    float   headTimer;
+    float   walkLerp;
+    float   headLerp;
     bool isGrounded;
-} Body;
+    int cameraMode;
+} Player;
 
-//----------------------------------------------------------------------------------
-// Global Variables Definition
-//----------------------------------------------------------------------------------
-static Vector2 sensitivity = { 0.001f, 0.001f };
+typedef struct 
+{
+    int index;
+    enum game_state state;
+    int shouldExit;
+    Player player;
+    int nearAcorn;
+    int isJumpscared;
+    float jumpscareTimer;
 
-static Body player = { 0 };
-static Vector2 lookRotation = { 0 };
-static float headTimer = 0.0f;
-static float walkLerp = 0.0f;
-static float headLerp = STAND_HEIGHT;
-static Vector2 lean = { 0 };
+    Sound jumpScare;
+    Music bgm;
+} Master;
 
-//----------------------------------------------------------------------------------
-// Module Functions Declaration
-//----------------------------------------------------------------------------------
-static void DrawLevel(void);
-static void UpdateCameraFPS(Camera *camera);
-static void UpdateBody(Body *body, float rot, char side, char forward, bool jumpPressed, bool crouchHold);
+//------------------------------------------------------------------------------------
+// Function Initation
+//------------------------------------------------------------------------------------
+void Simple_Center_Box(double percent_verticle_gap, double percent_horizontal_gap, int screenWidth, int screenHeight, Color color);
+void Thick_Center_Box(double percent_verticle_gap, double percent_horizontal_gap, float line_width, int screenWidth, int screenHeight, Color color);
+void Simple_Menu(const char *array[], int count, int index, int x1, int y1, int total_width, int total_height, int line_thickess, int font_size, Color color, Color alt_color);
+void UpdateBody(Master* g, float rot, char side, char forward, bool jumpPressed, bool crouchHold);
+static void UpdateCameraAngle(Master* g);
+static void DrawLevel(Model mdlTile);
+static void CenterMouseAndFlush(void);
+int Random(int x); 
+
+float square(float num);
 
 //------------------------------------------------------------------------------------
 // Program main entry point
@@ -77,105 +100,363 @@ int main(void)
 {
     // Initialization
     //--------------------------------------------------------------------------------------
-    const int screenWidth = 1980;
-    const int screenHeight = 1080;
 
-    InitWindow(screenWidth, screenHeight, "raylib [core] example - 3d camera fps");
+    // Before InitWindow
+    SetConfigFlags(FLAG_VSYNC_HINT | FLAG_WINDOW_RESIZABLE | FLAG_MSAA_4X_HINT | FLAG_FULLSCREEN_MODE);
 
-    // Initialize camera variables
-    // NOTE: UpdateCameraFPS() takes care of the rest
-    Camera camera = { 0 };
-    camera.fovy = 60.0f;
-    camera.projection = CAMERA_PERSPECTIVE;
-    camera.position = (Vector3){
-        player.position.x,
-        player.position.y + (BOTTOM_HEIGHT + headLerp),
-        player.position.z,
+    InitWindow(0, 0, "raylib");
+
+    int screenWidth  = GetRenderWidth();
+    int screenHeight = GetRenderHeight();
+
+    DisableCursor();    
+    CenterMouseAndFlush();
+
+    SetTargetFPS(60);               // Set our game to run at 60 frames-per-second
+
+    //Define menu characteristics
+    const char *menu[] = {"Game", "Option 2", "Exit"};
+    int index_length = ARRLEN(menu);
+
+    //General game state initiation
+    Master g = (Master){0};
+    g.index = 0;
+    g.state = STATE_MENU;
+    g.shouldExit = 0;
+    g.nearAcorn = 0;
+    g.isJumpscared = 0;
+
+    //Define player values
+    g.player.sensitivity = (Vector2){ 0.001f, 0.001f };
+    g.player.lookRotation = (Vector2){ 0 };
+    g.player.headTimer = 0.0f;
+    g.player.walkLerp = 0.0f;
+    g.player.headLerp = STAND_HEIGHT;
+    g.player.lean = (Vector2){ 0 };
+
+    //Define the player camera
+    g.player.camera = (Camera){0};
+    g.player.camera.position = (Vector3){
+        g.player.position.x,
+        g.player.position.y + (BOTTOM_HEIGHT + g.player.headLerp),
+        g.player.position.z,
+    };
+    g.player.camera.up = (Vector3){ 0.0f, 1.0f, 0.0f };
+    g.player.camera.fovy = 60.0f;
+    g.player.camera.projection = CAMERA_PERSPECTIVE;
+    g.player.cameraMode = CAMERA_FIRST_PERSON;
+
+    g.player.position.x = 15.0;
+    g.player.position.z = 15.0;
+
+    UpdateCameraAngle(&g);
+
+    // Grass tile setup
+    Texture2D texGrass = LoadTexture("assets/textures/Grass_01.png");
+    GenTextureMipmaps(&texGrass);
+    SetTextureFilter(texGrass, TEXTURE_FILTER_TRILINEAR);    // nicer at angles
+    SetTextureWrap(texGrass, TEXTURE_WRAP_REPEAT);
+
+    // A 3D plane (centered at origin) of size tileSize x tileSize
+    const float tileSize = TILE_SIZE;
+    Mesh meshTile = GenMeshPlane(tileSize, tileSize, 1, 1);
+    Model mdlTile = LoadModelFromMesh(meshTile);
+    mdlTile.materials[0].maps[MATERIAL_MAP_ALBEDO].texture = texGrass;
+
+    
+        // --- Skybox setup using 6 face images ---
+    Mesh cube = GenMeshCube(1.0f, 1.0f, 1.0f);
+    Model skybox = LoadModelFromMesh(cube);
+
+    // Load skybox shader
+    Shader skyboxShader = LoadShader(
+        "assets/shaders/skybox.vs",
+        "assets/shaders/skybox.fs"
+    );
+    skybox.materials[0].shader = skyboxShader;
+
+    // Load the 6 faces (+X, -X, +Y, -Y, +Z, -Z)
+    const char* facePaths[6] = {
+        "assets/textures/cubemaps/right.png",   // +X
+        "assets/textures/cubemaps/left.png",    // -X
+        "assets/textures/cubemaps/top.png",     // +Y
+        "assets/textures/cubemaps/bottom.png",  // -Y
+        "assets/textures/cubemaps/front.png",   // +Z
+        "assets/textures/cubemaps/back.png"     // -Z
     };
 
-    UpdateCameraFPS(&camera); // Update camera parameters
+    Image faces[6];
+    for (int i = 0; i < 6; i++) {
+        faces[i] = LoadImage(facePaths[i]);
+        // Ensure consistent format
+        if (faces[i].format != PIXELFORMAT_UNCOMPRESSED_R8G8B8A8)
+            ImageFormat(&faces[i], PIXELFORMAT_UNCOMPRESSED_R8G8B8A8);
+    }
 
-    DisableCursor();        // Limit cursor to relative movement inside the window
+    // Verify same size
+    int fw = faces[0].width, fh = faces[0].height;
+    for (int i = 1; i < 6; i++) {
+        if (faces[i].width != fw || faces[i].height != fh) {
+            TraceLog(LOG_ERROR, "Cubemap face sizes differ");
+            // (optional) handle error/cleanup here
+        }
+    }
+
+    // Stitch into a vertical strip (CUBEMAP_LAYOUT_LINE_VERTICAL)
+    Image strip = GenImageColor(fw, fh*6, BLANK);
+    for (int i = 0; i < 6; i++) {
+        ImageDraw(&strip, faces[i],
+                (Rectangle){0,0,(float)fw,(float)fh},
+                (Rectangle){0,(float)(i*fh),(float)fw,(float)fh},
+                WHITE);
+        UnloadImage(faces[i]); // free each face once copied
+    }
+
+    // IMPORTANT: skip CPU mipmap generation to avoid the buggy path
+    strip.mipmaps = 1;
+
+    // Load cubemap from the vertical strip
+    TextureCubemap cubeTex = LoadTextureCubemap(strip, CUBEMAP_LAYOUT_LINE_VERTICAL);
+    UnloadImage(strip);
+
+    // Assign to material & use a non-mipmap filter (skyboxes don't need mips)
+    skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture = cubeTex;
+    SetTextureFilter(cubeTex, TEXTURE_FILTER_BILINEAR);
+
+    // Tell the shader which material map is the environmentMap
+    int mapType = MATERIAL_MAP_CUBEMAP;
+    SetShaderValue(skyboxShader, GetShaderLocation(skyboxShader, "environmentMap"),
+                &mapType, SHADER_UNIFORM_INT);
+
+    // Optional flags (keep as you had)
+    int vflipped = 0, doGamma = 0;
+    SetShaderValue(skyboxShader, GetShaderLocation(skyboxShader, "vflipped"),
+                &vflipped, SHADER_UNIFORM_INT);
+    SetShaderValue(skyboxShader, GetShaderLocation(skyboxShader, "doGamma"),
+                &doGamma,  SHADER_UNIFORM_INT);
 
-    SetTargetFPS(60);       // Set our game to run at 60 frames-per-second
     //--------------------------------------------------------------------------------------
 
     // Main game loop
-    while (!WindowShouldClose())    // Detect window close button or ESC key
+    //--------------------------------------------------------------------------------------
+    while (!g.shouldExit && !WindowShouldClose())    // Detect window close button or ESC key
     {
         // Update
         //----------------------------------------------------------------------------------
-        Vector2 mouseDelta = GetMouseDelta();
-        lookRotation.x -= mouseDelta.x*sensitivity.x;
-        lookRotation.y += mouseDelta.y*sensitivity.y;
-
-        char sideway = (IsKeyDown(KEY_D) - IsKeyDown(KEY_A));
-        char forward = (IsKeyDown(KEY_W) - IsKeyDown(KEY_S));
-        bool crouching = IsKeyDown(KEY_LEFT_CONTROL);
-        UpdateBody(&player, lookRotation.x, sideway, forward, IsKeyPressed(KEY_SPACE), crouching);
-
-        float delta = GetFrameTime();
-        headLerp = Lerp(headLerp, (crouching ? CROUCH_HEIGHT : STAND_HEIGHT), 20.0f*delta);
-        camera.position = (Vector3){
-            player.position.x,
-            player.position.y + (BOTTOM_HEIGHT + headLerp),
-            player.position.z,
-        };
-
-        if (player.isGrounded && ((forward != 0) || (sideway != 0)))
+        switch (g.state) 
         {
-            headTimer += delta*3.0f;
-            walkLerp = Lerp(walkLerp, 1.0f, 10.0f*delta);
-            camera.fovy = Lerp(camera.fovy, 55.0f, 5.0f*delta);
-        }
-        else
-        {
-            walkLerp = Lerp(walkLerp, 0.0f, 10.0f*delta);
-            camera.fovy = Lerp(camera.fovy, 60.0f, 5.0f*delta);
-        }
+            case STATE_MENU:
+            {
+                if (IsKeyPressed(KEY_UP) && g.index > 0) 
+                {
+                    g.index -= 1;
+                    break;
+                };
 
-        lean.x = Lerp(lean.x, sideway*0.02f, 10.0f*delta);
-        lean.y = Lerp(lean.y, forward*0.015f, 10.0f*delta);
+                if (IsKeyPressed(KEY_DOWN) && g.index < index_length - 1) 
+                {
+                    g.index += 1;
+                    break;
+                };
+                
+                if (IsKeyPressed(KEY_ENTER))
+                {
+                    switch (g.index) 
+                    {
+                        case 0:
+                        {
+                            g.state = 1;
+                            CenterMouseAndFlush();
+                            break;
+                        }
 
-        UpdateCameraFPS(&camera);
+                        case 1:
+                        {
+                            break;
+                        }
+
+                        case 2:
+                        {
+                            g.shouldExit = 1;
+                            break;
+                        }
+                     }
+                };
+                break;
+            };
+            case STATE_GAME:
+            {
+                Vector2 mouseDelta = GetMouseDelta();
+                g.player.lookRotation.x -= mouseDelta.x*g.player.sensitivity.x;
+                g.player.lookRotation.y += mouseDelta.y*g.player.sensitivity.y;
+
+                char sideway = (IsKeyDown(KEY_D) - IsKeyDown(KEY_A));
+                char forward = (IsKeyDown(KEY_W) - IsKeyDown(KEY_S));
+                bool crouching = IsKeyDown(KEY_LEFT_CONTROL);
+                UpdateBody(&g, g.player.lookRotation.x, sideway, forward, IsKeyDown(KEY_SPACE), crouching);
+
+                float delta = GetFrameTime();
+                g.player.headLerp = Lerp(g.player.headLerp, (crouching ? CROUCH_HEIGHT : STAND_HEIGHT), 20.0f*delta);
+                g.player.camera.position = (Vector3){
+                    g.player.position.x,
+                    g.player.position.y + (BOTTOM_HEIGHT + g.player.headLerp),
+                    g.player.position.z,
+                };
+
+                if (g.player.isGrounded && ((forward != 0) || (sideway != 0)))
+                {
+                    g.player.headTimer += delta*3.0f;
+                    g.player.walkLerp = Lerp(g.player.walkLerp, 1.0f, 10.0f*delta);
+                    g.player.camera.fovy = Lerp(g.player.camera.fovy, 55.0f, 5.0f*delta);
+                }
+                else
+                {
+                    g.player.walkLerp = Lerp(g.player.walkLerp, 0.0f, 10.0f*delta);
+                    g.player.camera.fovy = Lerp(g.player.camera.fovy, 60.0f, 5.0f*delta);
+                }
+
+                g.player.lean.x = Lerp(g.player.lean.x, sideway*0.02f, 10.0f*delta);
+                g.player.lean.y = Lerp(g.player.lean.y, forward*0.015f, 10.0f*delta);
+
+                UpdateCameraAngle(&g);
+                break; 
+            };
+        }
         //----------------------------------------------------------------------------------
 
         // Draw
         //----------------------------------------------------------------------------------
         BeginDrawing();
+            switch (g.state) 
+            {
+                case STATE_MENU:
+                {
+                    ClearBackground(BLACK);                        
 
-            ClearBackground(RAYWHITE);
+                    Simple_Menu(menu, ARRLEN(menu), g.index, screenWidth * 0.15, screenHeight * 0.15, 500, screenHeight * 0.7, 10, 50, GREEN, LIGHTGRAY);
 
-            BeginMode3D(camera);
-                DrawLevel();
-            EndMode3D();
+                    Thick_Center_Box(0.1, 0.1, 10, screenWidth, screenHeight, GREEN);
+                    break;
+                }
+                case STATE_GAME:
+                {
+                    ClearBackground(BLACK);
+                    
+                    Vector3 camPos = g.player.camera.position;
+                    Vector3 camFwd = Vector3Normalize(Vector3Subtract(g.player.camera.target, camPos));
 
-            // Draw info box
-            DrawRectangle(5, 5, 330, 75, Fade(SKYBLUE, 0.5f));
-            DrawRectangleLines(5, 5, 330, 75, BLUE);
+                    // Camera forward (normalize target - position)
+                    Vector3 forward = Vector3Normalize(Vector3Subtract(g.player.camera.target, g.player.camera.position));
 
-            DrawText("Camera controls:", 15, 15, 10, BLACK);
-            DrawText("- Move keys: W, A, S, D, Space, Left-Ctrl", 15, 30, 10, BLACK);
-            DrawText("- Look around: arrow keys or mouse", 15, 45, 10, BLACK);
-            DrawText(TextFormat("- Velocity Len: (%06.3f)", Vector2Length((Vector2){ player.velocity.x, player.velocity.z })), 15, 60, 10, BLACK);
+                    BeginMode3D(g.player.camera);
 
+                        rlDisableBackfaceCulling();
+                        rlDisableDepthMask();
+
+                        // keep it centered on the camera
+                        skybox.transform = MatrixTranslate(
+                            g.player.camera.position.x,
+                            g.player.camera.position.y,
+                            g.player.camera.position.z
+                        );
+
+                        DrawModel(skybox, (Vector3){0}, 1.0f, WHITE);
+
+                        rlEnableDepthMask();
+                        rlEnableBackfaceCulling();  
+
+                        DrawLevel(mdlTile);
+
+                    EndMode3D();   
+
+                    // Draw info box
+                    DrawRectangle(5, 5, 330*1.5, 75*1.25, Fade(SKYBLUE, 0.5f));
+                    DrawRectangleLines(5, 5, 330*1.5, 75*1.25, BLUE);
+
+                    DrawText("Camera controls:", 15, 15, 20, BLACK);
+                    DrawText("- Move keys: W, A, S, D, Space, Left-Ctrl", 15, 30, 20, BLACK);
+                    DrawText("- Look around: arrow keys or mouse", 15, 45, 20, BLACK);
+                    DrawText(TextFormat("- Velocity Len: (%06.3f)", Vector2Length((Vector2){ g.player.velocity.x, g.player.velocity.z })), 15, 60, 20, BLACK);
+
+                    break;
+                }
+            }
         EndDrawing();
         //----------------------------------------------------------------------------------
-    }
+    };
 
+    //--------------------------------------------------------------------------------------
     // De-Initialization
     //--------------------------------------------------------------------------------------
+    // Detach the texture from the model so UnloadModel won't try to free it.
+    mdlTile.materials[0].maps[MATERIAL_MAP_ALBEDO].texture = (Texture2D){0};
+
+    // Now free resources you loaded:
+    UnloadModel(mdlTile);      // frees the model and its mesh/VBOs
+    UnloadTexture(texGrass);   // frees the grass texture you loaded
+    
     CloseWindow();        // Close window and OpenGL context
     //--------------------------------------------------------------------------------------
-
     return 0;
+};
+
+//------------------------------------------------------------------------------------
+// Function Definitions
+//------------------------------------------------------------------------------------
+//Function creates a simple box outline centered in the screen with a symetric ofset from the screen borders.
+void Simple_Center_Box(double percent_verticle_gap, double percent_horizontal_gap, int screenWidth, int screenHeight, Color color)
+{
+    int x1 = percent_horizontal_gap * screenWidth;
+    int y1 = percent_verticle_gap * screenHeight;
+
+    int w = screenWidth * (1 - (2 * percent_horizontal_gap));
+    int h = screenHeight * (1 - (2 * percent_verticle_gap));
+    
+    DrawRectangleLines(x1, y1, w, h, color);
 }
 
-//----------------------------------------------------------------------------------
-// Module Functions Definition
-//----------------------------------------------------------------------------------
-// Update body considering current world state
-void UpdateBody(Body *body, float rot, char side, char forward, bool jumpPressed, bool crouchHold)
+//Function creates a thick walled box outline centered in the screen with a symetric ofset from the screen borders.
+void Thick_Center_Box(double percent_verticle_gap, double percent_horizontal_gap, float line_width, int screenWidth, int screenHeight, Color color)
+{
+    int x1 = percent_horizontal_gap * screenWidth;
+    int y1 = percent_verticle_gap * screenHeight;
+
+    int w = screenWidth * (1 - (2 * percent_horizontal_gap));
+    int h = screenHeight * (1 - (2 * percent_verticle_gap));
+
+    struct Rectangle rec = {x1,y1,w,h};
+    
+    DrawRectangleLinesEx(rec, line_width, color);
+}
+
+//Make a simple menu with selection features
+void Simple_Menu(const char *array[], int count, int index, int x1, int y1, int total_width, int total_height, int line_thickess, int font_size, Color color, Color alt_color)
+{
+    float height = 0.8f * total_height;
+    int space = 0.2 * total_height / (count - 1);
+
+    struct Rectangle rec = {x1,y1,total_width,(float)height/count};
+
+    for (int i = 0; i < count; ++i) 
+    {
+        int text_width = MeasureText(array[i], font_size);
+
+        if(i == index)
+        {
+            DrawRectangleLinesEx(rec, line_thickess, alt_color);
+            DrawText(array[i], rec.x + (((total_width - 2.0 * line_thickess) - text_width)/2), rec.y + (height/count/2) - font_size/2.0f, font_size, alt_color);
+        }
+        else 
+        {
+            DrawRectangleLinesEx(rec, line_thickess, color);
+            DrawText(array[i], rec.x + (((total_width - 2.0 * line_thickess) - text_width)/2), rec.y + (height/count/2) - font_size/2.0f, font_size, color);
+        }
+
+        rec.y = rec.y + (float)height/count + space;
+    }
+}
+
+void UpdateBody(Master* g, float rot, char side, char forward, bool jumpPressed, bool crouchHold)
 {
     Vector2 input = (Vector2){ (float)side, (float)-forward };
 
@@ -186,12 +467,12 @@ void UpdateBody(Body *body, float rot, char side, char forward, bool jumpPressed
 
     float delta = GetFrameTime();
 
-    if (!body->isGrounded) body->velocity.y -= GRAVITY*delta;
+    if (!g->player.isGrounded) g->player.velocity.y -= GRAVITY*delta;
 
-    if (body->isGrounded && jumpPressed)
+    if (g->player.isGrounded && jumpPressed)
     {
-        body->velocity.y = JUMP_FORCE;
-        body->isGrounded = false;
+        g->player.velocity.y = JUMP_FORCE;
+        g->player.isGrounded = false;
 
         // Sound can be played at this moment
         //SetSoundPitch(fxJump, 1.0f + (GetRandomValue(-100, 100)*0.001));
@@ -202,91 +483,92 @@ void UpdateBody(Body *body, float rot, char side, char forward, bool jumpPressed
     Vector3 right = (Vector3){ cos(-rot), 0.f, sin(-rot) };
 
     Vector3 desiredDir = (Vector3){ input.x*right.x + input.y*front.x, 0.0f, input.x*right.z + input.y*front.z, };
-    body->dir = Vector3Lerp(body->dir, desiredDir, CONTROL*delta);
+    g->player.dir = Vector3Lerp(g->player.dir, desiredDir, CONTROL*delta);
 
-    float decel = (body->isGrounded ? FRICTION : AIR_DRAG);
-    Vector3 hvel = (Vector3){ body->velocity.x*decel, 0.0f, body->velocity.z*decel };
+    float decel = (g->player.isGrounded ? FRICTION : AIR_DRAG);
+    Vector3 hvel = (Vector3){ g->player.velocity.x*decel, 0.0f, g->player.velocity.z*decel };
 
     float hvelLength = Vector3Length(hvel); // Magnitude
     if (hvelLength < (MAX_SPEED*0.01f)) hvel = (Vector3){ 0 };
 
     // This is what creates strafing
-    float speed = Vector3DotProduct(hvel, body->dir);
+    float speed = Vector3DotProduct(hvel, g->player.dir);
 
     // Whenever the amount of acceleration to add is clamped by the maximum acceleration constant,
     // a Player can make the speed faster by bringing the direction closer to horizontal velocity angle
     // More info here: https://youtu.be/v3zT3Z5apaM?t=165
     float maxSpeed = (crouchHold? CROUCH_SPEED : MAX_SPEED);
     float accel = Clamp(maxSpeed - speed, 0.f, MAX_ACCEL*delta);
-    hvel.x += body->dir.x*accel;
-    hvel.z += body->dir.z*accel;
+    hvel.x += g->player.dir.x*accel;
+    hvel.z += g->player.dir.z*accel;
 
-    body->velocity.x = hvel.x;
-    body->velocity.z = hvel.z;
+    g->player.velocity.x = hvel.x;
+    g->player.velocity.z = hvel.z;
 
-    body->position.x += body->velocity.x*delta;
-    body->position.y += body->velocity.y*delta;
-    body->position.z += body->velocity.z*delta;
+    g->player.position.x += g->player.velocity.x*delta;
+    g->player.position.y += g->player.velocity.y*delta;
+    g->player.position.z += g->player.velocity.z*delta;
 
     // Fancy collision system against the floor
-    if (body->position.y <= 0.0f)
+    if (g->player.position.y <= 0.0f)
     {
-        body->position.y = 0.0f;
-        body->velocity.y = 0.0f;
-        body->isGrounded = true; // Enable jumping
+        g->player.position.y = 0.0f;
+        g->player.velocity.y = 0.0f;
+        g->player.isGrounded = true; // Enable jumping
     }
 }
 
-// Update camera for FPS behaviour
-static void UpdateCameraFPS(Camera *camera)
+// Update camera
+static void UpdateCameraAngle(Master* g)
 {
     const Vector3 up = (Vector3){ 0.0f, 1.0f, 0.0f };
     const Vector3 targetOffset = (Vector3){ 0.0f, 0.0f, -1.0f };
 
     // Left and right
-    Vector3 yaw = Vector3RotateByAxisAngle(targetOffset, up, lookRotation.x);
+    Vector3 yaw = Vector3RotateByAxisAngle(targetOffset, up, g->player.lookRotation.x);
 
     // Clamp view up
     float maxAngleUp = Vector3Angle(up, yaw);
     maxAngleUp -= 0.001f; // Avoid numerical errors
-    if ( -(lookRotation.y) > maxAngleUp) { lookRotation.y = -maxAngleUp; }
+    if ( -(g->player.lookRotation.y) > maxAngleUp) { g->player.lookRotation.y = -maxAngleUp; }
 
     // Clamp view down
     float maxAngleDown = Vector3Angle(Vector3Negate(up), yaw);
     maxAngleDown *= -1.0f; // Downwards angle is negative
     maxAngleDown += 0.001f; // Avoid numerical errors
-    if ( -(lookRotation.y) < maxAngleDown) { lookRotation.y = -maxAngleDown; }
+    if ( -(g->player.lookRotation.y) < maxAngleDown) { g->player.lookRotation.y = -maxAngleDown; }
 
     // Up and down
     Vector3 right = Vector3Normalize(Vector3CrossProduct(yaw, up));
 
     // Rotate view vector around right axis
-    float pitchAngle = -lookRotation.y - lean.y;
-    pitchAngle = Clamp(pitchAngle, -PI/2 + 0.0001f, PI/2 - 0.0001f); // Clamp angle so it doesn't go past straight up or straight down
+    float pitchAngle = -g->player.lookRotation.y - 
+    g->player.lean.y;
+    pitchAngle = Clamp(pitchAngle, -PI / 2 + 0.0001f, PI / 2 - 0.0001f); // Clamp angle so it doesn't go past straight up or straight down
     Vector3 pitch = Vector3RotateByAxisAngle(yaw, right, pitchAngle);
 
     // Head animation
     // Rotate up direction around forward axis
-    float headSin = sin(headTimer*PI);
-    float headCos = cos(headTimer*PI);
-    const float stepRotation = 0.01f;
-    camera->up = Vector3RotateByAxisAngle(up, pitch, headSin*stepRotation + lean.x);
+    float headSin = sin(g->player.headTimer*PI);
+    float headCos = cos(g->player.headTimer*PI);
+    const float stepRotation = 0.005f;
+    g->player.camera.up = Vector3RotateByAxisAngle(up, pitch, headSin*stepRotation + g->player.lean.x);
 
     // Camera BOB
-    const float bobSide = 0.1f;
-    const float bobUp = 0.15f;
+    const float bobSide = 0.01f;
+    const float bobUp = 0.01f;
     Vector3 bobbing = Vector3Scale(right, headSin*bobSide);
     bobbing.y = fabsf(headCos*bobUp);
 
-    camera->position = Vector3Add(camera->position, Vector3Scale(bobbing, walkLerp));
-    camera->target = Vector3Add(camera->position, pitch);
+    g->player.camera.position = Vector3Add(g->player.camera.position, Vector3Scale(bobbing, g->player.walkLerp));
+    g->player.camera.target = Vector3Add(g->player.camera.position, pitch);
 }
 
 // Draw game level
-static void DrawLevel(void)
+static void DrawLevel(Model mdlTile)
 {
-    const int floorExtent = 25;
-    const float tileSize = 5.0f;
+    const int floorExtent = FLOOR_EXTENT;
+    const float tileSize = TILE_SIZE;
     const Color tileColor1 = (Color){ 150, 200, 200, 255 };
 
     // Floor tiles
@@ -294,6 +576,7 @@ static void DrawLevel(void)
     {
         for (int x = -floorExtent; x < floorExtent; x++)
         {
+            /*
             if ((y & 1) && (x & 1))
             {
                 DrawPlane((Vector3){ x*tileSize, 0.0f, y*tileSize}, (Vector2){ tileSize, tileSize }, tileColor1);
@@ -302,9 +585,15 @@ static void DrawLevel(void)
             {
                 DrawPlane((Vector3){ x*tileSize, 0.0f, y*tileSize}, (Vector2){ tileSize, tileSize }, LIGHTGRAY);
             }
+            */
+            Vector3 pos = (Vector3){ x*tileSize, 0.0f, y*tileSize };
+            // mdlTile must be accessible here: make it global/static or pass it in
+            DrawModel(mdlTile, pos, 1.0f, WHITE);
+
         }
     }
 
+    /*
     const Vector3 towerSize = (Vector3){ 16.0f, 32.0f, 16.0f };
     const Color towerColor = (Color){ 150, 200, 200, 255 };
 
@@ -326,4 +615,25 @@ static void DrawLevel(void)
 
     // Red sun
     DrawSphere((Vector3){ 300.0f, 300.0f, 0.0f }, 100.0f, (Color){ 255, 0, 0, 255 });
+    */
+}
+
+//fix mouse
+static void CenterMouseAndFlush() 
+{
+    SetMousePosition(GetRenderWidth()/2, GetRenderHeight()/2);
+    (void)GetMouseDelta();
+}
+
+//Random number gen
+int Random(int x) 
+{
+    int r = (rand() % x) + 1;  // 1-40
+    return r;
+}
+
+float square(float num)
+{
+    float out = num * num;
+    return out;
 }