atomic branch cause why not.

makefile

@@ -16,8 +16,8 @@ PKG_FLAGS := $(LINUX_GL_LIBS) `pkg-config --static --cflags --libs glfw3`
 CXXFLAGS += $(PKG_FLAGS)
 
 # Source files
-SRC := $(SRC_DIR)/g3chromatic.cpp
+#SRC := $(SRC_DIR)/g3chromatic.cpp
-#SRC := $(SRC_DIR)/g2chromatic2.cpp
+SRC := $(SRC_DIR)/g2atomic.cpp
 SRC += $(IMGUI_DIR)/imgui.cpp $(IMGUI_DIR)/imgui_demo.cpp $(IMGUI_DIR)/imgui_draw.cpp $(IMGUI_DIR)/imgui_tables.cpp $(IMGUI_DIR)/imgui_widgets.cpp
 SRC += $(IMGUI_DIR)/backends/imgui_impl_glfw.cpp $(IMGUI_DIR)/backends/imgui_impl_opengl3.cpp
 SRC += $(SRC_DIR)/stb_image.cpp

tests/g2atomic.cpp

@@ -0,0 +1,508 @@
+#include <iostream>
+#include <vector>
+#include <random>
+#include <algorithm>
+#include <cmath>
+#include <tuple>
+#include <unordered_set>
+#include <iomanip>
+#include <filesystem>
+#include "../util/grid/grid2.hpp"
+#include "../util/output/aviwriter.hpp"
+#include "../util/output/bmpwriter.hpp"
+#include "../util/timing_decorator.cpp"
+
+#include "../imgui/imgui.h"
+#include "../imgui/backends/imgui_impl_glfw.h"
+#include "../imgui/backends/imgui_impl_opengl3.h"
+#include <GLFW/glfw3.h>
+#include "../stb/stb_image.h"
+
+#include <thread>
+#include <atomic>
+#include <future>
+#include <mutex>
+#include <chrono>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+std::mutex m;
+std::atomic<bool> isGenerating{false};
+std::future<void> generationFuture;
+
+std::mutex previewMutex;
+std::atomic<bool> updatePreview{false};
+frame currentPreviewFrame;
+GLuint textu = 0;
+std::string previewText;
+
+struct Shared {
+    std::mutex mutex;
+    Grid2 grid;
+    bool hasNewFrame = false;
+    int currentFrame = 0;
+    float currentTime = 0.0f;
+};
+
+struct SimulationConfig {
+    int width = 1024;
+    int height = 1024;
+    int totalFrames = 480;
+    float fps = 30.0f;
+    float atomDensity = 0.3f;
+    int simulationStepsPerFrame = 1;
+    
+    // Physics parameters
+    float timeStep = 0.016f;
+    float coulombStrength = 1.0f;
+    float gravityStrength = 1.0e-6f;
+    float dampingFactor = 0.99f;
+    float temperature = 300.0f;
+    
+    // Element distribution
+    float hydrogenProb = 0.4f;
+    float heliumProb = 0.2f;
+    float carbonProb = 0.15f;
+    float oxygenProb = 0.15f;
+    float ironProb = 0.1f;
+    
+    // Interaction settings
+    bool enableCoulomb = true;
+    bool enableGravity = true;
+    bool enableFusion = true;
+    bool enableElectronTransfer = true;
+};
+
+Grid2 setupAtomicGrid(SimulationConfig config) {
+    TIME_FUNCTION;
+    Grid2 grid;
+    
+    // Set physics parameters
+    grid.setPhysicsParameters(config.timeStep, config.coulombStrength, 
+                            config.gravityStrength, config.dampingFactor);
+    
+    // Set simulation bounds
+    Vec2 minBound(0, 0);
+    Vec2 maxBound(config.width, config.height);
+    grid.setSimulationBounds(minBound, maxBound);
+    
+    // Set default background (dark space)
+    grid.setDefault(0.0f, 0.0f, 0.1f, 1.0f);
+    
+    // Generate random atoms
+    grid.generateRandomAtoms(0, 0, config.width, config.height, config.atomDensity);
+    
+    std::cout << "Generated atomic grid with size: " << config.width << "x" << config.height << std::endl;
+    std::cout << "Atom density: " << config.atomDensity << std::endl;
+    
+    return grid;
+}
+
+void Preview(Grid2& grid) {
+    TIME_FUNCTION;
+    frame rgbData = grid.getGridAsFrame(frame::colormap::RGB);
+    std::cout << "Frame size: " << rgbData.getWidth() << "x" << rgbData.getHeight() << std::endl;
+    bool success = BMPWriter::saveBMP("output/atomic_preview.bmp", rgbData);
+    if (!success) {
+        std::cout << "Failed to save preview image!" << std::endl;
+    }
+}
+
+void livePreview(const Grid2& grid) {
+    std::lock_guard<std::mutex> lock(previewMutex);
+    
+    currentPreviewFrame = grid.getGridAsFrame(frame::colormap::RGBA);
+    
+    if (textu == 0) {
+        glGenTextures(1, &textu);
+    }
+    
+    glBindTexture(GL_TEXTURE_2D, textu);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+    // glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+    // glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    
+    glBindTexture(GL_TEXTURE_2D, textu);
+    glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, currentPreviewFrame.getWidth(), currentPreviewFrame.getHeight(), 
+                 0, GL_RGBA, GL_UNSIGNED_BYTE, currentPreviewFrame.getData().data());
+    
+    updatePreview = true;
+}
+
+bool exportavi(std::vector<frame> frames, SimulationConfig config) {
+    TIME_FUNCTION;
+    std::string filename = "output/atomic_simulation.avi";
+    
+    std::cout << "Frame count: " << frames.size() << std::endl;
+    
+    // Create output directory
+    std::filesystem::path dir = "output";
+    if (!std::filesystem::exists(dir)) {
+        if (!std::filesystem::create_directories(dir)) {
+            std::cout << "Failed to create output directory!" << std::endl;
+            return false;
+        }
+    }
+    
+    bool success = AVIWriter::saveAVIFromCompressedFrames(filename, frames, 
+                                                         frames[0].getWidth(), 
+                                                         frames[0].getHeight(), 
+                                                         config.fps);
+    
+    if (success) {
+        if (std::filesystem::exists(filename)) {
+            auto file_size = std::filesystem::file_size(filename);
+            std::cout << "\nAVI file created successfully: " << filename 
+                      << " (" << file_size << " bytes, " 
+                      << std::fixed << std::setprecision(2) << (file_size / (1024.0 * 1024.0)) << " MB)" << std::endl;
+        } 
+    } else {
+        std::cout << "Failed to save AVI file!" << std::endl;
+    }
+    
+    return success;
+}
+
+void atomicSimulationLoop(const SimulationConfig& config, Shared& state) {
+    TIME_FUNCTION;
+    isGenerating = true;
+    
+    try {
+        // Setup atomic grid
+        Grid2 grid = setupAtomicGrid(config);
+        
+        {
+            std::lock_guard<std::mutex> lock(state.mutex);
+            state.grid = grid;
+            state.hasNewFrame = true;
+            state.currentFrame = 0;
+            state.currentTime = 0.0f;
+        }
+        
+        std::cout << "Generated atomic grid" << std::endl;
+        
+        // Get initial statistics
+        size_t totalAtoms, totalProtons, totalNeutrons, totalElectrons;
+        float totalCharge, totalMass;
+        grid.getStatistics(totalAtoms, totalProtons, totalNeutrons, 
+                          totalElectrons, totalCharge, totalMass);
+        
+        std::cout << "Initial Statistics:" << std::endl;
+        std::cout << "  Total atoms: " << totalAtoms << std::endl;
+        std::cout << "  Total protons: " << totalProtons << std::endl;
+        std::cout << "  Total neutrons: " << totalNeutrons << std::endl;
+        std::cout << "  Total electrons: " << totalElectrons << std::endl;
+        std::cout << "  Total charge: " << totalCharge << " e" << std::endl;
+        std::cout << "  Total mass: " << totalMass << " kg" << std::endl;
+        
+        // Save initial preview
+        Preview(grid);
+        std::cout << "Saved initial preview" << std::endl;
+        
+        std::vector<frame> frames;
+        
+        for (int frameNum = 0; frameNum < config.totalFrames; frameNum++) {
+            // Check if we should stop the generation
+            if (!isGenerating) {
+                std::cout << "Simulation cancelled at frame " << frameNum << std::endl;
+                return;
+            }
+            
+            // Multiple simulation steps per frame for smoother physics
+            for (int step = 0; step < config.simulationStepsPerFrame; step++) {
+                // Update physics
+                grid.updatePhysics(config.timeStep);
+                
+                // Simulate atomic interactions
+                grid.simulateAtomicInteractions();
+                
+                // Update time
+                state.currentTime += config.timeStep;
+            }
+            
+            // Update shared state
+            {
+                std::lock_guard<std::mutex> lock(state.mutex);
+                state.grid = grid;
+                state.hasNewFrame = true;
+                state.currentFrame = frameNum;
+            }
+            
+            // Save frame every 5 frames or at the end
+            if (frameNum % 5 == 0 || frameNum == config.totalFrames - 1) {
+                frame currentFrame = grid.getGridAsFrame(frame::colormap::BGR);
+                frames.push_back(currentFrame);
+                
+                // Optional: Save individual frames for debugging
+                if (frameNum % 50 == 0) {
+                    std::string frameFilename = "output/atomic_frame_" + 
+                                               std::to_string(frameNum) + ".bmp";
+                    BMPWriter::saveBMP(frameFilename, currentFrame);
+                }
+                
+                std::cout << "Processed frame " << frameNum + 1 << "/" 
+                         << config.totalFrames << std::endl;
+            }
+            
+            // Update statistics periodically
+            if (frameNum % 100 == 0) {
+                grid.getStatistics(totalAtoms, totalProtons, totalNeutrons, 
+                                  totalElectrons, totalCharge, totalMass);
+                
+                std::cout << "\nFrame " << frameNum << " Statistics:" << std::endl;
+                std::cout << "  Total atoms: " << totalAtoms << std::endl;
+                std::cout << "  Net charge: " << totalCharge << " e" << std::endl;
+            }
+        }
+        
+        // Export final video
+        exportavi(frames, config);
+        
+        std::cout << "\nSimulation completed!" << std::endl;
+        
+    } catch (const std::exception& e) {
+        std::cerr << "Error in atomic simulation: " << e.what() << std::endl;
+    }
+    
+    isGenerating = false;
+}
+
+void cancelGeneration() {
+    if (isGenerating) {
+        isGenerating = false;
+        if (generationFuture.valid()) {
+            auto status = generationFuture.wait_for(std::chrono::milliseconds(500));
+            if (status != std::future_status::ready) {
+                std::cout << "Waiting for simulation thread to finish..." << std::endl;
+            }
+        }
+    }
+}
+
+static void glfw_error_callback(int error, const char* description) {
+    fprintf(stderr, "GLFW Error %d: %s\n", error, description);
+}
+
+int main() {
+    glfwSetErrorCallback(glfw_error_callback);
+    if (!glfwInit()) {
+        std::cerr << "Failed to initialize GLFW" << std::endl;
+        return 1;
+    }
+    
+    // GL version setup
+    #if defined(IMGUI_IMPL_OPENGL_ES2)
+        const char* glsl_version = "#version 100";
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
+        glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
+    #elif defined(IMGUI_IMPL_OPENGL_ES3)
+        const char* glsl_version = "#version 300 es";
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
+        glfwWindowHint(GLFW_CLIENT_API, GLFW_OPENGL_ES_API);
+    #elif defined(__APPLE__)
+        const char* glsl_version = "#version 150";
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
+        glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+        glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+    #else
+        const char* glsl_version = "#version 130";
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+        glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 0);
+    #endif
+    
+    // Create window
+    GLFWwindow* window = glfwCreateWindow(1280, 800, "Atomic Simulation", nullptr, nullptr);
+    if (window == nullptr) {
+        std::cerr << "Failed to create GLFW window" << std::endl;
+        glfwTerminate();
+        return 1;
+    }
+    
+    glfwMakeContextCurrent(window);
+    glfwSwapInterval(1);
+    
+    // Setup ImGui
+    ImGui::CreateContext();
+    ImGuiIO& io = ImGui::GetIO(); (void)io;
+    io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
+    ImGui::StyleColorsDark();
+    
+    ImGui_ImplGlfw_InitForOpenGL(window, true);
+    ImGui_ImplOpenGL3_Init(glsl_version);
+    
+    // Simulation parameters
+    bool show_demo_window = true;
+    bool show_another_window = false;
+    ImVec4 clear_color = ImVec4(0.1f, 0.1f, 0.15f, 1.00f);
+    
+    // Configuration variables
+    static SimulationConfig config;
+    static int simulationMode = 0; // 0: Random atoms, 1: Custom setup
+    static float previewScale = 0.5f;
+    static bool showStatistics = true;
+    static bool showPhysicsControls = true;
+    
+    Shared state;
+    std::future<void> simulationThread;
+    previewText = "Ready to simulate";
+    
+    // Main loop
+    while (!glfwWindowShouldClose(window)) {
+        glfwPollEvents();
+        
+        // Start ImGui frame
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
+        
+        {
+            ImGui::Begin("Atomic Simulation Controls");
+            
+            ImGui::Text("Simulation Settings");
+            ImGui::Separator();
+            
+            ImGui::SliderInt("Width", &config.width, 256, 4096);
+            ImGui::SliderInt("Height", &config.height, 256, 4096);
+            ImGui::SliderInt("Frame Count", &config.totalFrames, 10, 5000);
+            ImGui::SliderFloat("FPS", &config.fps, 10.0f, 60.0f);
+            ImGui::SliderFloat("Atom Density", &config.atomDensity, 0.01f, 0.8f);
+            ImGui::SliderInt("Steps/Frame", &config.simulationStepsPerFrame, 1, 10);
+            
+            ImGui::Separator();
+            ImGui::Text("Physics Parameters");
+            
+            ImGui::SliderFloat("Time Step", &config.timeStep, 0.001f, 0.1f, "%.3f");
+            ImGui::SliderFloat("Coulomb Strength", &config.coulombStrength, 0.0f, 10.0f);
+            ImGui::SliderFloat("Gravity Strength", &config.gravityStrength, 0.0f, 1.0e-3f, "%.6f");
+            ImGui::SliderFloat("Damping", &config.dampingFactor, 0.9f, 1.0f);
+            ImGui::SliderFloat("Temperature", &config.temperature, 100.0f, 10000.0f);
+            
+            ImGui::Separator();
+            ImGui::Text("Element Distribution");
+            
+            ImGui::SliderFloat("Hydrogen %", &config.hydrogenProb, 0.0f, 1.0f);
+            ImGui::SliderFloat("Helium %", &config.heliumProb, 0.0f, 1.0f);
+            ImGui::SliderFloat("Carbon %", &config.carbonProb, 0.0f, 1.0f);
+            ImGui::SliderFloat("Oxygen %", &config.oxygenProb, 0.0f, 1.0f);
+            ImGui::SliderFloat("Iron %", &config.ironProb, 0.0f, 1.0f);
+            
+            // Normalize probabilities
+            float total = config.hydrogenProb + config.heliumProb + 
+                         config.carbonProb + config.oxygenProb + config.ironProb;
+            if (total > 0) {
+                config.hydrogenProb /= total;
+                config.heliumProb /= total;
+                config.carbonProb /= total;
+                config.oxygenProb /= total;
+                config.ironProb /= total;
+            }
+            
+            ImGui::Separator();
+            ImGui::Text("Interaction Settings");
+            
+            ImGui::Checkbox("Coulomb Forces", &config.enableCoulomb);
+            ImGui::Checkbox("Gravity", &config.enableGravity);
+            ImGui::Checkbox("Fusion Reactions", &config.enableFusion);
+            ImGui::Checkbox("Electron Transfer", &config.enableElectronTransfer);
+            
+            ImGui::Separator();
+            ImGui::SliderFloat("Preview Scale", &previewScale, 0.1f, 2.0f);
+            
+            // Simulation controls
+            if (isGenerating) {
+                ImGui::BeginDisabled();
+            }
+            
+            if (ImGui::Button("Start Atomic Simulation")) {
+                simulationThread = std::async(std::launch::async, atomicSimulationLoop, 
+                                            config, std::ref(state));
+                previewText = "Starting atomic simulation...";
+            }
+            
+            if (isGenerating) {
+                ImGui::EndDisabled();
+                
+                ImGui::SameLine();
+                if (ImGui::Button("Cancel Simulation")) {
+                    cancelGeneration();
+                    previewText = "Cancelling simulation...";
+                }
+                
+                // Update preview from simulation thread
+                bool hasNewFrame = false;
+                {
+                    std::lock_guard<std::mutex> lock(state.mutex);
+                    if (state.hasNewFrame) {
+                        livePreview(state.grid);
+                        state.hasNewFrame = false;
+                        previewText = "Simulating... Frame: " + 
+                                     std::to_string(state.currentFrame) + 
+                                     ", Time: " + std::to_string(state.currentTime) + "s";
+                    }
+                }
+            }
+            
+            ImGui::Separator();
+            ImGui::Text("Status: %s", previewText.c_str());
+            
+            // Display preview image
+            if (textu != 0) {
+                ImVec2 imageSize = ImVec2(config.width * previewScale, 
+                                         config.height * previewScale);
+                ImVec2 uv_min = ImVec2(0.0f, 0.0f);
+                ImVec2 uv_max = ImVec2(1.0f, 1.0f);
+                ImGui::Image((void*)(intptr_t)textu, imageSize, uv_min, uv_max);
+            } else {
+                ImGui::Text("No preview available");
+                ImGui::Text("Start simulation to see atomic interactions");
+            }
+            
+            // Display statistics if available
+            if (showStatistics) {
+                ImGui::Separator();
+                ImGui::Text("Simulation Statistics");
+                // Statistics would be updated from the simulation thread
+            }
+            
+            ImGui::End();
+        }
+        
+        // Render
+        ImGui::Render();
+        int display_w, display_h;
+        glfwGetFramebufferSize(window, &display_w, &display_h);
+        glViewport(0, 0, display_w, display_h);
+        glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, 
+                    clear_color.z * clear_color.w, clear_color.w);
+        glClear(GL_COLOR_BUFFER_BIT);
+        
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
+        glfwSwapBuffers(window);
+    }
+    
+    // Cleanup
+    cancelGeneration();
+    
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
+    
+    if (textu != 0) {
+        glDeleteTextures(1, &textu);
+    }
+    
+    glfwDestroyWindow(window);
+    glfwTerminate();
+    
+    FunctionTimer::printStats(FunctionTimer::Mode::ENHANCED);
+    
+    return 0;
+}

tests/g2chromatic2.cpp

@@ -56,13 +56,13 @@ Grid2 setup(AnimationConfig config) {
     TIME_FUNCTION;
     Grid2 grid;
     std::vector<Vec2> pos;
-    std::vector<Vec4> colors;
+    std::vector<Vec4f> colors;
     std::vector<float> sizes;
     for (int y = 0; y < config.height; ++y) {
         for (int x = 0; x < config.width; ++x) {
             float gradient = (x + y) / float(config.width + config.height - 2);
             pos.push_back(Vec2(x,y));
-            colors.push_back(Vec4(gradient, gradient, gradient, 1.0f));
+            colors.push_back(Vec4f(gradient, gradient, gradient, 1.0f));
             sizes.push_back(1.0f);
         }
     }
@@ -102,7 +102,7 @@ void livePreview(const Grid2& grid) {
     updatePreview = true;
 }
 
-std::vector<std::tuple<size_t, Vec2, Vec4>> pickSeeds(Grid2 grid, AnimationConfig config) {
+std::vector<std::tuple<size_t, Vec2, Vec4f>> pickSeeds(Grid2 grid, AnimationConfig config) {
     TIME_FUNCTION;
     std::random_device rd;
     std::mt19937 gen(rd());
@@ -110,11 +110,11 @@ std::vector<std::tuple<size_t, Vec2, Vec4>> pickSeeds(Grid2 grid, AnimationConfi
     std::uniform_int_distribution<> yDist(0, config.height - 1);
     std::uniform_real_distribution<> colorDist(0.2f, 0.8f);
 
-    std::vector<std::tuple<size_t, Vec2, Vec4>> seeds;
+    std::vector<std::tuple<size_t, Vec2, Vec4f>> seeds;
 
     for (int i = 0; i < config.numSeeds; ++i) {
         Vec2 point(xDist(gen), yDist(gen));
-        Vec4 color(colorDist(gen), colorDist(gen), colorDist(gen), 255);
+        Vec4f color(colorDist(gen), colorDist(gen), colorDist(gen), 255);
         size_t id = grid.getOrCreatePositionVec(point, 0.0, true);
         grid.setColor(id, color);
         seeds.push_back(std::make_tuple(id,point, color));
@@ -122,9 +122,9 @@ std::vector<std::tuple<size_t, Vec2, Vec4>> pickSeeds(Grid2 grid, AnimationConfi
     return seeds;
 }
 
-void expandPixel(Grid2& grid, AnimationConfig config, std::vector<std::tuple<size_t, Vec2, Vec4>>& seeds) {
+void expandPixel(Grid2& grid, AnimationConfig config, std::vector<std::tuple<size_t, Vec2, Vec4f>>& seeds) {
     TIME_FUNCTION;
-    std::vector<std::tuple<size_t, Vec2, Vec4>> newseeds; 
+    std::vector<std::tuple<size_t, Vec2, Vec4f>> newseeds; 
 
     std::unordered_set<size_t> visitedThisFrame; 
     for (const auto& seed : seeds) {
@@ -132,10 +132,10 @@ void expandPixel(Grid2& grid, AnimationConfig config, std::vector<std::tuple<siz
     }
 
     //#pragma omp parallel for
-    for (const std::tuple<size_t, Vec2, Vec4>& seed : seeds) {
+    for (const std::tuple<size_t, Vec2, Vec4f>& seed : seeds) {
         size_t id = std::get<0>(seed);
         Vec2 seedPOS = std::get<1>(seed);
-        Vec4 seedColor = std::get<2>(seed);
+        Vec4f seedColor = std::get<2>(seed);
         std::vector<size_t> neighbors = grid.getNeighbors(id);
         //grid.setSize(id, grid.getSize(id)+4);
         for (size_t neighbor : neighbors) {
@@ -145,7 +145,7 @@ void expandPixel(Grid2& grid, AnimationConfig config, std::vector<std::tuple<siz
             visitedThisFrame.insert(neighbor);
 
             Vec2 neipos = grid.getPositionID(neighbor);
-            Vec4 neighborColor = grid.getColor(neighbor);
+            Vec4f neighborColor = grid.getColor(neighbor);
             float distance = seedPOS.distance(neipos);
             float angle = seedPOS.directionTo(neipos);
 
@@ -153,7 +153,7 @@ void expandPixel(Grid2& grid, AnimationConfig config, std::vector<std::tuple<siz
             float blendFactor = 0.3f + 0.4f * std::sin(normalizedAngle * 2.0f * M_PI);
             blendFactor = std::clamp(blendFactor, 0.1f, 0.9f);
             
-            Vec4 newcolor = Vec4(
+            Vec4f newcolor = Vec4f(
                 seedColor.r * blendFactor + neighborColor.r * (1.0f - blendFactor),
                 seedColor.g * (1.0f - blendFactor) + neighborColor.g * blendFactor,
                 seedColor.b * (0.5f + 0.5f * std::sin(normalizedAngle * 4.0f * M_PI)),
@@ -236,7 +236,7 @@ void mainLogic(const AnimationConfig& config, Shared& state, int gradnoise) {
         } else if (gradnoise == 1) {
             grid = grid.noiseGenGrid(0,0,config.height, config.width, 0.01, 1.0, true, config.noisemod);
         }
-        grid.setDefault(Vec4(0,0,0,0));
+        grid.setDefault(Vec4f(0,0,0,0));
         {
             std:: lock_guard<std::mutex> lock(state.mutex);
             state.grid = grid;
@@ -246,7 +246,7 @@ void mainLogic(const AnimationConfig& config, Shared& state, int gradnoise) {
         std::cout << "generated grid" << std::endl;
         Preview(grid);
         std::cout << "generated preview" << std::endl;
-        std::vector<std::tuple<size_t, Vec2, Vec4>> seeds = pickSeeds(grid, config);
+        std::vector<std::tuple<size_t, Vec2, Vec4f>> seeds = pickSeeds(grid, config);
         std::vector<frame> frames;
 
         for (int i = 0; i < config.totalFrames; ++i){

util/vectorlogic/vec3.hpp

@@ -14,7 +14,7 @@ public:
     Vec3() : x(0), y(0), z(0) {}
     Vec3(T x, T y, T z) : x(x), y(y), z(z) {}
     Vec3(T scalar) : x(scalar), y(scalar), z(scalar) {}
-    Vec3(float[3] acd) : x(acd[0]), y(acd[1]), z(acd[2]) {}
+    Vec3(const T acd[3]) : x(acd[0]), y(acd[1]), z(acd[2]) {}
 
     Vec3(const class Vec2& vec2, T z = 0);