visualizations

commit 20c9236b320c3e67709833dc88efb3bd4a0f50ad
parent 27a69afb31f1b2bbf19f6c9d7a715b52c41b7cd0
Author: Andrew Laack <andrew@laack.co>
Date:   Tue, 15 Sep 2026 10:08:24 -0500

Fixed perf issue; it was the png conversion that was so slow

Diffstat:
M
background/src/graph.cpp
 | 
6
+++---
M
background/src/main.cpp
 | 
18
++++++++++--------

2 files changed, 13 insertions(+), 11 deletions(-)
diff --git a/background/src/graph.cpp b/background/src/graph.cpp
@@ -18,7 +18,7 @@ Graph::Graph(std::size_t edgeCount, std::size_t vertCount, uint32_t xMax, uint32
 
     for(std::size_t i = 0; i < vertCount; ++i) {
         Vector2 rnd = randomPosition(xMax, yMax);
-        Vertex v {rnd,5};
+        Vertex v {rnd,2};
         this->vertices.push_back(v);
     }
     for(std::size_t i = 0; i < edgeCount; ++i) {
@@ -75,7 +75,7 @@ void Graph::render() {
             if(edge.traversed) {
                 visited.push_back(edge);
             } else {
-                DrawLineEx(v1, v2, 1,DARKERGRAY);
+                DrawLineEx(v1, v2, .2,DARKERGRAY);
             }
         }
     }
@@ -90,7 +90,7 @@ void Graph::render() {
         std::size_t idx2 = edge.v2Index;
         auto v1 = vertices[idx1].position;
         auto v2 = vertices[idx2].position;
-        DrawLineEx(v1, v2, 1, WHITE);
+        DrawLineEx(v1, v2, .2, WHITE);
     }
 }
 
diff --git a/background/src/main.cpp b/background/src/main.cpp
@@ -20,11 +20,11 @@ int main() {
     std::filesystem::create_directory("/dev/shm/bg");
     srand(clock());
 
-    std::size_t edgeCount = 30;
-    std::size_t vertCount = 10;
+    std::size_t edgeCount = 20000;
+    std::size_t vertCount = 4000;
 
-    float xMax = 5120;
-    float yMax = 1440;
+    uint32_t xMax = 5120;
+    uint32_t yMax = 1440;
 
     SetConfigFlags(FLAG_WINDOW_HIDDEN);
     InitWindow(xMax, yMax, "Raylib animation window");
@@ -44,17 +44,19 @@ int main() {
         visitedIndices.insert(0);
 
         while (!WindowShouldClose() && toVisit.size() != 0) {
-            sleep(5);
-
+            sleep(10);
             BeginDrawing();
             ClearBackground(BLACK);
             g.render();
             EndDrawing(); 
             
-            char path[] = "/dev/shm/bg/out.png";
+            // Basically all of the cost happens within these bounds
+            char path[] = "/dev/shm/bg/out.bmp";
             CustomTakeScreenshot(path);
             // TODO: Can this be done away with? It's not *that* slow...
-            system("/usr/bin/feh --no-fehbg --bg-tile /dev/shm/bg/out.png");
+            system("/usr/bin/feh --no-fehbg --bg-scale /dev/shm/bg/out.bmp");
+            // Above here.
+
             oneStepPrim(toVisit, visitedIndices, g);
 
         }