20240208: Changes by Erol Cemiloglu

changed main loop window draw array inclusion so works on windows OS

.gitignore

@@ -1,5 +1,6 @@
 build
 out
+bld_vc
 .cache
 .idea
 .vs

headers/const.hpp

@@ -1,8 +1,8 @@
 #pragma once
 
-constexpr int N = 20;
+constexpr int N = 50;
 constexpr int SIZE = (N + 2) * (N + 2);
-constexpr int CELL_SIZE = 30;
+constexpr int CELL_SIZE = 15;
 
 #define IX(i, j) (i + (N + 2) * j)
 #define SWAP(arr1, arr2) std::swap(arr1, arr2)

headers/matrix_change.hpp

@@ -13,7 +13,7 @@ template <int S> class DensitySolver {
   std::array<float, S> x;
 
   DensitySolver(float diff, float dt)
-      : size_(SIZE), diff_(diff), dt_(dt), u_{2.0f}, v_{2.0f}, x{0.0f},
+      : size_(SIZE), diff_(diff), dt_(dt), u_{0.01f}, v_{0.01f}, x{0.0f},
         x0_{0.0f} {}
 
   void add_density(float d, int index) {

src/main.cpp

@@ -17,7 +17,7 @@ an SFML window
 void GreyScaleMatrixToSFML(sf::RenderWindow &window,
                            const std::array<float, SIZE> &densityArray) {
   for (int i = 0; i < N + 2; i++) {
-    for (int j = 0; j <= N + 2; j++) {
+    for (int j = 0; j < N + 2; j++) {
 
       sf::RectangleShape pixel(sf::Vector2f(CELL_SIZE, CELL_SIZE));
       pixel.setPosition((j * CELL_SIZE), (i * CELL_SIZE));
@@ -93,7 +93,7 @@ int main() {
     ds.add_density(1, 435);
 
     fluid_gui.update_display(GreyScaleMatrixToSFML, ds.x);
-    std::this_thread::sleep_for(std::chrono::milliseconds(50));
+    std::this_thread::sleep_for(std::chrono::milliseconds(5));
     // ds.test_display();
     ds.dens_step();
   }