1 files changed, 90 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..90de051
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,90 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdbool.h>
+#include <time.h>
+
+#include "set.h"
+
+#ifndef PLATFORM_WEB
+  #include <raylib.h>
+#else
+  #include RAYLIB_SRC
+#endif
+
+#define W 800
+#define H 600
+
+#define NODES_X 20
+#define NODES_Y 15
+#define NODE_L 40
+
+set *nodes[NODES_X][NODES_Y];
+bool walls_hori[NODES_X][NODES_Y-1] = {0}; // false - exists
+bool walls_vert[NODES_X-1][NODES_Y] = {0}; // true - doesnt exist
+
+void init_nodes()
+{
+    for(int i = 0; i < NODES_Y; i++)
+        for(int j = 0; j < NODES_X; j++)
+            nodes[j][i] = set_create();
+}
+
+void deinit_nodes()
+{
+    for(int i = 0; i < NODES_Y; i++)
+        for(int j = 0; j < NODES_X; j++)
+            set_free(nodes[j][i]);
+}
+
+void update()
+{
+    // optimize picking random number thingy
+    if(rand() % 2) {
+        int x = rand() % NODES_X;
+        int y = rand() % (NODES_Y-1);
+
+        if(set_find(nodes[x][y]) != set_find(nodes[x][y+1])) {
+            walls_hori[x][y] = true;
+            set_union(nodes[x][y], nodes[x][y+1]);
+        }
+    } else {
+        int x = rand() % (NODES_X-1);
+        int y = rand() % NODES_Y;
+
+        if(set_find(nodes[x][y]) != set_find(nodes[x+1][y])) {
+            walls_vert[x][y] = true;
+            set_union(nodes[x][y], nodes[x+1][y]);
+        }
+    }
+
+    for(int i = 0; i < NODES_Y; i++) {
+        for(int j = 0; j < NODES_X; j++) {
+            if(i < NODES_Y-1) if(!walls_hori[j][i])
+            DrawLine((j+0)*NODE_L, (i+1)*NODE_L, (j+1)*NODE_L, (i+1)*NODE_L, RED);
+
+            if(j < NODES_X-1) if(!walls_vert[j][i])
+            DrawLine((j+1)*NODE_L, (i+0)*NODE_L, (j+1)*NODE_L, (i+1)*NODE_L, RED);
+
+        }
+    }
+}
+
+int main(void)
+{
+    srand(time(NULL));
+    InitWindow(W, H, "Kruskal");
+    SetTargetFPS(60);
+    init_nodes();
+
+    while(!WindowShouldClose())
+    {
+        BeginDrawing();
+        ClearBackground(RAYWHITE);
+        DrawFPS(10, 10);
+        update();
+        EndDrawing();
+    }
+
+    deinit_nodes();
+    return 0;
+}