init

projekt_win/include/Boat.h

@@ -0,0 +1,80 @@
+#ifndef BOAT_H
+#define BOAT_H
+
+#include <glm/glm.hpp>
+#include <glm/gtc/quaternion.hpp>
+#include <vector>
+#include "Input.h"
+#include "Ocean.h"
+#include "Terrain.h"
+#include <string>
+#include <tiny_obj_loader.h> // Include tinyobjloader
+
+class Boat {
+public:
+    Boat();
+    ~Boat();
+
+    bool init(const char* modelPath, const char* texturePath); // Pass model and texture paths
+    void cleanup();
+    void update(const Input& input, const Ocean& ocean, const Terrain& terrain, float deltaTime);
+
+    glm::vec3 getPosition() const { return position; }
+    glm::quat getRotation() const { return rotation; }
+    float getSpeed() const { return speed; }
+    bool hasTerrainCollision() const { return lastCollisionWithTerrain; }
+    bool canDisembark() const { return lastCollisionAllowsDisembark; }
+    glm::vec3 getDisembarkPosition() const { return lastCollisionPoint; }
+    void clearCollisionState();
+
+    glm::vec3 getBoundingBoxMin() const { return boundingBoxMin; } // **Getter for boundingBoxMin**
+    glm::vec3 getBoundingBoxMax() const { return boundingBoxMax; } // **Getter for boundingBoxMax**
+
+    // Getters for model data to pass to Renderer
+    const std::vector<glm::vec3>& getVertices() const { return vertices; }
+    const std::vector<glm::vec3>& getNormals() const { return normals; }
+    const std::vector<glm::vec2>& getTexCoords() const { return texCoords; }
+    const std::string& getTexturePath() const { return boatTexturePath; } // Getter for texture path
+    const std::vector<tinyobj::material_t>& getMaterials() const { return materials; } // Getter for materials
+    const std::vector<int>& getMaterialIndices() const { return materialIndices; } // Getter for materials
+
+    // New: Getter and Setter for boatScale
+    float getScale() const { return boatScale; }
+    void setScale(float scale) { boatScale = scale; }
+
+
+private:
+    glm::vec3 position;
+    glm::quat rotation;
+    float speed;
+    float steeringSpeed;
+
+    std::vector<glm::vec3> vertices;
+    std::vector<glm::vec3> normals;
+    std::vector<glm::vec2> texCoords;
+    std::vector<int> materialIndices; // New: Store material indices per vertex
+    std::vector<tinyobj::material_t> materials; // New: Store materials
+
+
+    void handleInput(const Input& input, const Ocean& ocean, const Terrain& terrain, float deltaTime);
+    void applyWaveMotion(const Ocean& ocean);
+    bool collidesWithTerrain(const Terrain& terrain, const Ocean& ocean, const glm::vec3& candidatePosition, glm::vec3* collisionPoint) const;
+    bool isGradientLowForDisembark(const Terrain& terrain, const glm::vec3& collisionPoint) const;
+    float getCollisionRadius() const;
+    bool loadModel(const char* path); // Function to load OBJ model
+    std::string boatTexturePath; // Store texture path for Renderer to access
+    glm::vec3 boundingBoxMin;
+    glm::vec3 boundingBoxMax;
+    int getGridIndex(int x, int z) const;         // Helper function to get 1D index from 2D grid indices
+
+    float boatScale;
+    bool speedUpKeyWasDown;
+    bool speedDownKeyWasDown;
+    bool lastCollisionWithTerrain;
+    bool lastCollisionAllowsDisembark;
+    glm::vec3 lastCollisionPoint;
+
+
+};
+
+#endif // BOAT_H

projekt_win/include/Camera.h

@@ -0,0 +1,76 @@
+// Camera.h
+#ifndef CAMERA_H
+#define CAMERA_H
+
+#include <glm/glm.hpp>
+#include "Input.h" // Optional Shader class
+#include "Terrain.h"
+
+class Camera {
+public:
+    enum class Mode {
+        BoatOrbit,
+        Fly,
+        OnFoot
+    };
+
+    Camera();
+    ~Camera();
+
+    void init();
+    void update(const Input& input, const glm::vec3& boatPosition, const Terrain& terrain, float deltaTime);
+    void lookAt() const;
+    void toggleFlyMode();
+    void startOnFoot(const glm::vec3& worldPosition, const Terrain& terrain);
+    void setBoatMode();
+    bool isFlyMode() const { return mode == Mode::Fly; }
+    bool isBoatMode() const { return mode == Mode::BoatOrbit; }
+    bool isOnFootMode() const { return mode == Mode::OnFoot; }
+    const char* getModeName() const;
+
+    void setAspectRatio(float ratio) { aspectRatio = ratio; }
+    glm::vec3 getPosition() const { return position; } // Public getter for position
+    glm::mat4 getViewMatrix() const; // **Declare getViewMatrix() method**
+
+        // New: Camera Rotation Control
+        void handleMouseInput(const Input& input, float deltaTime);
+        void rotateYaw(float angle);
+        void rotatePitch(float angle);
+private:
+    glm::vec3 position;
+    glm::vec3 target; // Point to look at
+    glm::vec3 up;
+    float aspectRatio;
+    float fov;
+    float nearPlane;
+    float farPlane;
+
+
+    // New: Camera Rotation State
+    float yawAngle=0.0f;
+    float pitchAngle=0.0f;
+    float rotationSpeed;
+    float orbitDistance;
+    float minOrbitDistance;
+    float maxOrbitDistance;
+    float targetHeightOffset;
+    Mode mode;
+    float flyMoveSpeed;
+    float flyVerticalSpeed;
+    float walkMoveSpeed;
+    float maxWalkGradient;
+    float onFootEyeHeight;
+    glm::vec2 onFootVelocityXZ;
+    float onFootVerticalVelocity;
+    bool onFootGrounded;
+    bool jumpKeyWasDown;
+    float walkAcceleration;
+    float walkFriction;
+    float jumpSpeed;
+    float gravity;
+    float slideStartGradient;
+    float slideAcceleration;
+    float maxSlideSpeed;
+};
+
+#endif // CAMERA_H

projekt_win/include/Game.h

@@ -0,0 +1,54 @@
+// Game.h
+#ifndef GAME_H
+#define GAME_H
+#include <GL/glew.h>
+#include <GL/freeglut.h>
+#include "Renderer.h"
+#include "Input.h"
+#include "Ocean.h"
+#include "Boat.h"
+#include "Camera.h"
+#include <cstdio>
+#include <iostream>
+#include "Terrain.h" // Include Terrain header
+#include "VolcanoSim.h"
+#include <vector>
+
+class Game {
+public:
+    Game();
+    ~Game();
+
+    bool init(int argc, char** argv);
+    void run();
+    void cleanup();
+
+private:
+    Renderer renderer;
+    std::vector<VolcanoSimulation> volcanoes;
+    Input input;
+    Ocean ocean;
+    Boat boat;
+    Camera camera;
+    Terrain terrain; // Add Terrain member
+    bool flyToggleKeyWasDown;
+    bool interactKeyWasDown;
+    float boardBoatCooldown;
+
+
+    static void displayCallback();
+    static void reshapeCallback(int width, int height);
+    static void keyboardCallback(unsigned char key, int x, int y);
+    static void keyboardUpCallback(unsigned char key, int x, int y);
+    static void specialCallback(int key, int x, int y);
+    static void specialUpCallback(int key, int x, int y);
+    static void mouseCallback(int button, int state, int x, int y);
+    static void motionCallback(int x, int y);
+    static void passiveMotionCallback(int x, int y);
+    static void timerCallback(int value);
+    static void updateGame();
+
+    static Game* instance; // Singleton for callbacks to access game instance
+};
+
+#endif // GAME_H

projekt_win/include/Input.h

@@ -0,0 +1,48 @@
+// Input.h
+#ifndef INPUT_H
+#define INPUT_H
+
+#include <set>
+
+class Input {
+public:
+    Input();
+    ~Input();
+
+    void init();
+    void update();
+
+    void handleKeyPress(unsigned char key);
+    void handleKeyRelease(unsigned char key);
+    void handleSpecialKeyPress(int key);
+    void handleSpecialKeyRelease(int key);
+    void handleMouseClick(int button, int state, int x, int y);
+    void handleMouseMove(int x, int y);
+
+    bool isKeyDown(unsigned char key) const;
+    bool isSpecialKeyDown(int key) const;
+    // Mouse input methods if needed
+
+    // New: Mouse Input Methods
+    bool isMouseButtonDown(int button) const { return mouseButtonsDown[button]; }
+    int getMouseX() const { return mouseX; }
+    int getMouseY() const { return mouseY; }
+    int getMouseDeltaX() const { return mouseDeltaX; }
+    int getMouseDeltaY() const { return mouseDeltaY; }
+    int getMouseWheelDelta() const { return mouseWheelDelta; }
+
+
+private:
+    std::set<unsigned char> keysDown;
+    std::set<int> specialKeysDown;
+    // Mouse state variables if needed
+
+        bool mouseButtonsDown[5]; // Up to 5 mouse buttons (GLUT_LEFT_BUTTON, etc.)
+    int mouseX, mouseY;        // Current mouse position
+    int lastMouseX, lastMouseY; // Last frame's mouse position
+    int mouseDeltaX, mouseDeltaY; // Mouse movement delta since last frame
+    int mouseWheelDelta;
+    int mouseWheelDeltaPending;
+};
+
+#endif // INPUT_H

projekt_win/include/Ocean.h

@@ -0,0 +1,102 @@
+// Ocean.h
+#ifndef OCEAN_H
+#define OCEAN_H
+
+#include <glm/glm.hpp>
+#include <vector>
+#include <GL/glew.h> // Include GLEW for OpenGL types like GLuint
+#include "utils.h" // **Include utils.h to use checkGLError**
+#include <immintrin.h>
+#include <x86intrin.h>
+
+
+
+#define ASM_TYPE CLEAR_ASM
+
+
+#define INTRINSIC 1
+#define CLEAR_ASM 2
+
+
+// Structure to hold parameters for a single Gerstner wave component
+struct GerstnerWave {
+    float amplitude;    // Wave amplitude (height)
+    float wavelength;   // Wavelength (distance between crests)
+    float speed;        // Wave speed
+    glm::vec2 direction; // Wave direction (normalized 2D vector in XZ plane)
+    float phase;        // Phase offset
+};
+struct SimdSGerstnerWave {
+    float amplitude;    // Wave amplitude (height)
+    float wavelength;   // Wavelength (distance between crests)
+    float speed;        // Wave speed
+    float dir_x;
+    float dir_y;
+    float phase;        // Phase offset
+    float k;        // k
+    float w;        // w
+};
+
+
+
+class Ocean {
+public:
+    Ocean(int gridSize);
+    ~Ocean();
+
+    bool init();
+    void cleanup();
+    void update(float deltaTime);
+
+    glm::vec3 getVertex(int x, int z) const;
+    float getWaveHeight(float x, float z, float time) const;
+    glm::vec3 getWaveNormal(float x, float z, float time) const; // Calculate wave normal
+    float getSeaLevelOffset() const { return seaLevelOffset; }
+
+    void setGridSize(int newGridSize); // Setter function
+    int getGridSize() const { return gridSize; }
+    float getGridSpacing() const { return gridSpacing; }
+    GLuint getVAO() const;                                // Get the Vertex Array Object ID
+    GLuint getIndexCount() const;                         // Get the number of indices for rendering
+    float time;
+
+
+private:
+    int gridSize;
+    float gridSpacing;
+    std::vector<glm::vec3> vertices; // Store vertices for optimization (optional)
+    std::vector<GerstnerWave> gerstnerWaves; // Vector to store multiple Gerstner wave components
+
+    // Wave parameters (adjustable)
+    float amplitude;
+    float wavelength;
+    float frequency;
+    glm::vec2 direction; // Wave direction
+    float phase; // Initial phase
+
+
+    GLuint vertexBufferID;    // VBO ID for vertex positions
+    GLuint normalBufferID;    // VBO ID for vertex normals
+    GLuint texCoordBufferID;  // VBO ID for texture coordinates
+    GLuint indexBufferID;     // IBO ID for indices
+    GLuint vaoID;             // VAO ID (Vertex Array Object)
+    unsigned int indexCount;    // Number of indices for rendering
+
+    std::vector<float> originalWorldX;        // Vector to store original undisplaced World X coordinates
+    std::vector<float> originalWorldZ;        // Vector to store original undisplaced World Z coordinates
+
+    float baseAmplitude;  // Base (maximum) wave amplitude for periodic modulation
+    float seaLevelOffset;
+
+
+    void generateGrid();
+    void createBuffers();                        // Create and populate VBOs and IBO
+    void updateBuffers(const std::vector<glm::vec3>& updatedVertices, const std::vector<glm::vec3>& updatedNormals); // Update VBO data
+    //void updateVertices(std::vector<glm::vec3> * updatedVertices, std::vector<glm::vec3> * updatedNormals, float time); // Update vertex Y positions based on wave function
+    void updateVertices(std::vector<glm::vec3> * updatedVertices, std::vector<glm::vec3> * updatedNormals, float * originalWorldX_,  float * originalWorldZ_, int _grid_size, float time);
+    int getGridIndex(int x, int z) const;         // Helper function to get 1D index from 2D grid indices
+    float getGerstnerWaveHeight(const GerstnerWave& wave, float x, float z, float time) const; // Calculate height for a single Gerstner wave
+    glm::vec3 getGerstnerWaveDisplacement(const GerstnerWave& wave, float x, float z, float time) const; // Calculate horizontal displacement for a Gerstner wave
+};
+
+#endif // OCEAN_H

projekt_win/include/Renderer.h

@@ -0,0 +1,64 @@
+// Renderer.h
+#ifndef RENDERER_H
+#define RENDERER_H
+
+#include <GL/glew.h>
+#include <GL/freeglut.h>
+#include "Ocean.h"
+#include "Boat.h"
+#include "Camera.h"
+#include "Shader.h" // Optional Shader class
+#include "Terrain.h" // Include Terrain header
+#include "VolcanoSim.h"
+#include <vector>
+#include <string>
+
+
+#define SHOW_GRID 0
+#define SHOW_NORM 0
+#define SHOW_BOUDING_BOX 1
+
+class Renderer {
+public:
+    Renderer();
+    ~Renderer();
+    GLuint oceanTextureID;
+    GLuint boatTextureID;
+    GLuint terrainTextureID; // Texture ID for terrain
+    GLuint heightMapTextureID; // **Add heightMapTextureID**
+    bool init();
+    void cleanup();
+    void renderScene(const Ocean &ocean, const Boat &boat, const Camera &camera, const Terrain &Terrain, const std::vector<VolcanoSimulation>& volcanoes);
+    void reshape(int width, int height);
+    void drawOcean(const Ocean& ocean, const Camera& camera); // Camera argument added
+    GLuint getTerrainTextureID() const { return terrainTextureID; } // Getter for terrain texture ID
+
+private:
+
+    // Shader shaderProgram; // Optional shader program
+    GLuint normalMapTextureID; 
+    Shader oceanShader; // Shader program for ocean
+    Shader terrainShader; // **Add terrainShader member variable**
+    Shader lavaParticleShader;
+    GLuint lavaParticleVAO;
+    GLuint lavaParticleMeshVBO;
+    GLuint lavaParticleInstanceVBO;
+
+    std::string lastBoatTexturePath = "";
+
+    bool loadTexture(const char* filename, GLuint& textureID);
+    void setupLighting();
+    void drawBoat(const Boat& boat);
+    void drawMesh(const std::vector<glm::vec3>& vertices, const std::vector<glm::vec3>& normals, const std::vector<glm::vec2>& texCoords,
+                  const std::vector<int>& materialIndices, const std::vector<tinyobj::material_t>& materials); // Modified drawMesh
+
+    void drawMeshVBO(const Ocean& ocean); // **Declare drawMeshVBO**
+    void drawTerrain(const Terrain& terrain, const Camera& camera, const std::vector<VolcanoSimulation>& volcanoes);
+    void drawLavaFlowsOnTerrain(const Terrain& terrain, const VolcanoSimulation& volcano);
+    void drawMeshTerainVBO(const Terrain& terrain);
+    void drawVolcano(const VolcanoSimulation& volcano, const Camera& camera);
+    void drawHud(const Boat& boat, const Camera& camera);
+    void drawText2D(float x, float y, const std::string& text, void* font = GLUT_BITMAP_HELVETICA_18);
+};
+
+#endif // RENDERER_H

projekt_win/include/Shader.h

@@ -0,0 +1,39 @@
+#ifndef SHADER_H
+#define SHADER_H
+
+#include <string>
+#include <GL/glew.h> // Include GLEW for OpenGL types
+#include <glm/glm.hpp> // **ADD THIS LINE - Include GLM header!**
+#include <glm/gtc/type_ptr.hpp>
+
+
+
+class Shader {
+public:
+    Shader(); // Constructor
+    ~Shader(); // Destructor
+
+    bool loadShader(const char* vertexShaderPath, const char* fragmentShaderPath); // Load and compile shaders from files
+    bool isLoaded() const { return programID != 0; } // Check if shader program is loaded
+
+    void use();       // Use (activate) the shader program
+    void unuse();     // Unuse (deactivate) the shader program
+    void cleanup();   // Release shader resources
+
+    // Uniform setting functions (add more as needed for different uniform types)
+    void setInt(const std::string& name, int value) const;
+    void setFloat(const std::string& name, float value) const;
+    void setVec3(const std::string& name, const glm::vec3& value) const;
+    void setMat4(const std::string& name, const glm::mat4& mat) const;
+    void setMat3(const std::string& name, const glm::mat3& mat) const;
+
+private:
+    GLuint vertexShaderID;   // Vertex shader object ID
+    GLuint fragmentShaderID; // Fragment shader object ID
+    GLuint programID;        // Shader program ID
+
+    bool compileShader(GLuint& shaderID, GLenum shaderType, const char* shaderPath);
+    bool linkShaderProgram();
+};
+
+#endif // SHADER_H

projekt_win/include/Terrain.h

@@ -0,0 +1,50 @@
+// include/Terrain.h
+#ifndef TERRAIN_H
+#define TERRAIN_H
+
+#include <glm/glm.hpp>
+#include <vector>
+#include <GL/glew.h> // Include GLEW for OpenGL types like GLuint
+#include "Shader.h"
+class Terrain {
+public:
+    Terrain(int gridSize, float gridSpacing);
+    ~Terrain();
+
+    bool init(GLuint heightMapTextureID);
+    void cleanup();
+
+    glm::vec3 getVertex(int x, int z) const; // Get vertex position at grid index (x, z)
+    float sampleHeightWorld(float worldX, float worldZ) const;
+    float sampleGradientMagnitudeWorld(float worldX, float worldZ) const;
+    float sampleDirectionalGradientWorld(float worldX, float worldZ, const glm::vec2& directionWorld) const;
+    bool isInsideBoundsWorld(float worldX, float worldZ) const;
+
+    int getGridSize() const { return gridSize; }
+    float getGridSpacing() const { return gridSpacing; }
+    GLuint getVAO() const { return vaoID; }
+    GLuint getIndexCount() const { return indexCount; }
+    glm::vec3 getNormal(int x, int z) const;
+    glm::vec3 getHighestPoint() const { return highestPoint; }
+    std::vector<glm::vec3> getHighestPeaks(int count, float minDistanceWorld) const;
+private:
+    int gridSize;
+    float gridSpacing;
+    std::vector<glm::vec3> vertices;
+    std::vector<glm::vec3> normals;
+    std::vector<glm::vec2> texCoords;
+    GLuint vertexBufferID;
+    GLuint normalBufferID;
+    GLuint texCoordBufferID;
+    GLuint indexBufferID;
+    GLuint vaoID;
+    unsigned int indexCount;
+    glm::vec3 highestPoint;
+
+
+    void generateGrid(GLuint heightMapTextureID); // Generate the initial grid of vertices
+    void createBuffers(); // Create and populate VBOs and IBO
+    void updateBuffers();   // Update VBO data (not needed for static terrain in this example, but good to have)
+};
+
+#endif // TERRAIN_H

projekt_win/include/VolcanoSim.h

@@ -0,0 +1,144 @@
+#ifndef VOLCANO_SIM_H
+#define VOLCANO_SIM_H
+
+#include <cstddef>
+#include <vector>
+
+class Terrain;
+
+class VolcanoSimulation {
+public:
+    struct RenderConfig {
+        float worldX;
+        float worldY;
+        float worldZ;
+        float coneRadius;
+        float coneHeight;
+        float lavaFieldRadius;
+        float particleSpreadScale;
+    };
+
+    VolcanoSimulation();
+    ~VolcanoSimulation();
+
+    bool init(std::size_t particleCount, int gridWidth, int gridHeight, unsigned int seed = 1337u);
+
+    void stepScalar(float dt);
+    void stepSIMD(float dt);
+
+    std::size_t getParticleCount() const { return particles.size(); }
+    const float* getParticlePosX() const { return particles.posX.data(); }
+    const float* getParticlePosY() const { return particles.posY.data(); }
+    const float* getParticlePosZ() const { return particles.posZ.data(); }
+    const float* getParticleTemperature() const { return particles.temperature.data(); }
+
+    int getGridWidth() const { return width; }
+    int getGridHeight() const { return height; }
+    const float* getLavaHeightGrid() const { return lavaHeight.data(); }
+    const float* getTemperatureGrid() const { return temperature.data(); }
+
+    void setRenderConfig(const RenderConfig& config) { renderConfig = config; }
+    const RenderConfig& getRenderConfig() const { return renderConfig; }
+    void setCollisionTerrain(const Terrain& terrain, float waterLevelWorld = 0.0f);
+
+    float getAverageLavaHeight() const { return averageLavaHeight; }
+    float getAverageTemperature() const { return averageTemperature; }
+
+private:
+    class AlignedFloatArray {
+    public:
+        AlignedFloatArray();
+        ~AlignedFloatArray();
+
+        AlignedFloatArray(const AlignedFloatArray& other);
+        AlignedFloatArray& operator=(const AlignedFloatArray& other);
+        AlignedFloatArray(AlignedFloatArray&& other) noexcept;
+        AlignedFloatArray& operator=(AlignedFloatArray&& other) noexcept;
+
+        bool resize(std::size_t count);
+        float* data();
+        const float* data() const;
+        std::size_t size() const;
+
+    private:
+        float* ptr;
+        std::size_t count;
+    };
+
+    struct ParticleSoA {
+        AlignedFloatArray posX;
+        AlignedFloatArray posY;
+        AlignedFloatArray posZ;
+        AlignedFloatArray velX;
+        AlignedFloatArray velY;
+        AlignedFloatArray velZ;
+        AlignedFloatArray life;
+        AlignedFloatArray temperature;
+
+        bool resize(std::size_t count);
+        std::size_t size() const;
+    };
+
+    ParticleSoA particles;
+
+    int width;
+    int height;
+
+    AlignedFloatArray terrainHeight;
+    AlignedFloatArray lavaHeight;
+    AlignedFloatArray lavaHeightNext;
+    AlignedFloatArray temperature;
+    AlignedFloatArray temperatureNext;
+
+    float gravity;
+    float damping;
+    float particleCooling;
+    float lavaViscosity;
+    float lavaCooling;
+    float diffusionAlpha;
+    float ambientTemperature;
+    float ventTemperature;
+    float lavaSourceRate;
+    float windX;
+    float windZ;
+    float plumeBuoyancy;
+    float eruptionClock;
+    float ventPulseLevel;
+    RenderConfig renderConfig;
+    float averageLavaHeight;
+    float averageTemperature;
+
+    int collisionTerrainSize;
+    float collisionTerrainOriginX;
+    float collisionTerrainOriginZ;
+    float collisionTerrainSpacing;
+    float collisionWaterLevelWorld;
+    std::vector<float> collisionTerrainHeights;
+
+    unsigned int rngState;
+
+    std::size_t idx(int x, int y) const;
+    float random01();
+    float sampleCollisionTerrainHeightWorld(float worldX, float worldZ) const;
+    void sampleCollisionTerrainGradientWorld(float worldX, float worldZ, float& dHdX, float& dHdZ) const;
+    void respawnParticle(std::size_t i);
+
+    void initTerrainAndLava();
+    void injectVentSources(float dt);
+
+    void updateParticlesScalar(float dt);
+    void updateParticlesSIMD(float dt);
+
+    void updateLavaFluxScalar(float dt);
+    void updateLavaFluxSIMD(float dt);
+
+    void diffuseHeatScalar(float dt);
+    void diffuseHeatSIMD(float dt);
+
+    void updateStats();
+};
+
+void runVolcanoBenchmark();
+void runVolcanoReference(int frames = 10);
+
+#endif

projekt_win/include/utils.h

@@ -0,0 +1,16 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+#include <GL/glew.h>
+#include <iostream>
+#include <glm/glm.hpp>
+#include <x86intrin.h>
+#include <vector>
+
+// Helper function to check for OpenGL errors and print a message
+void checkGLError(const char* operation);
+float perlinNoise(float x, float y); // Placeholder declaration
+void convert_vec3_to_float_array(const std::vector<glm::vec3>& src, float * dst);
+void convert_float_array_to_vec3(float * src, std::vector<glm::vec3>& dst);
+uint64_t rdtsc();
+#endif // UTILS_H