feat: animation in main

main.cpp

@@ -6,7 +6,9 @@
 #include <QApplication>
 #include <QImage>
 #include <QLabel>
+#include <QObject>
 #include <QPixmap>
+#include <QTimer>
 #include <chrono>
 #include <functional>
 #include <math.h>
@@ -102,6 +104,31 @@ int main(int argc, char *argv[]) {
         }
     };
 
+    QApplication a(argc, argv);
+    QWidget widget;
+    widget.setAutoFillBackground(true);
+    widget.setGeometry(0, 0, 500, 500);
+    QLabel display(&widget);
+    QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+
+    // display.setPixmap(QPixmap::fromImage(img).scaled(widget.size()));
+
+    float rot = 0.f;
+    std::function<void()> renderLoop = [&addTo, &target, &pixel, &renderer,
+                                        &display, &widget, &img, &rot]() {
+        std::chrono::steady_clock::time_point begin =
+            std::chrono::steady_clock::now();
+        renderer.render(&testModel, mat4::translation(vec3(0.0f, -1.0f, 5.0f)) *
+                                        mat4::rotateOnY(rot));
+        std::chrono::steady_clock::time_point end =
+            std::chrono::steady_clock::now();
+
+        std::cout << "Time difference = "
+                  << std::chrono::duration_cast<std::chrono::milliseconds>(
+                         end - begin)
+                         .count()
+                  << "[ms]" << std::endl;
+
         for (int x = 0; x < 64; x++) {
             for (int y = 0; y < 64; y++) {
                 uint32_t result[3] = {};
@@ -115,13 +142,15 @@ int main(int argc, char *argv[]) {
                 }
             }
         }
-    QApplication a(argc, argv);
-    QWidget widget;
-    widget.setAutoFillBackground(true);
-    widget.setGeometry(0, 0, 500, 500);
-    QLabel display(&widget);
-    QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
-    display.setPixmap(QPixmap::fromImage(img).scaled(widget.size()));
+        // QImage img((unsigned char *)pixel, 64, 64, QImage::Format_RGB888);
+        display.setPixmap(QPixmap::fromImage(img).scaled(widget.size() * 1));
+        rot += 0.1f;
+    };
+    renderLoop();
     widget.show();
+    QTimer timer;
+    timer.setInterval(20);
+    timer.start();
+    QObject::connect(&timer, &QTimer::timeout, &widget, renderLoop);
     return a.exec();
 }