cornellbox angefangen, aber cube ist seeeehr dunkel

main.c

@@ -13,7 +13,7 @@
 #include "collision.h"
 #include "raytrace.h"
 int main() {
-    int width = 1920;
+    int width = 1080;
     int height = 1080;
     int channels = 4;
     unsigned char *image = (unsigned char*)malloc(width * height * channels );