Render tree to texture

main.cpp

@@ -1,6 +1,5 @@
 #include <cmath>
 #include "raylib.h"
-#include "raymath.h"
 
 #define MAX_DEPTH 10
 
@@ -34,25 +33,30 @@ int main(void)
 
   InitWindow(screenWidth, screenHeight, "raylib");
 
-  Camera2D camera = {0};
-  camera.target = (Vector2){0.0f, 0.0f};
-  camera.offset = (Vector2){screenWidth / 2, screenHeight};
-  camera.rotation = 0.0f;
-  camera.zoom = 1.0f;
-
   SetTargetFPS(60);
-  Vector2 start = {0};
+
+  const int textureWidth = screenWidth;
+  const int textureHeight = screenHeight;
+
+  RenderTexture2D target = LoadRenderTexture(textureWidth, textureHeight);
+  Vector2 start = {textureWidth / 2, textureHeight};
+
+  BeginTextureMode(target);
+  ClearBackground(WHITE);
+  draw_branch(start, 0, textureHeight / 4, 0);
+  EndTextureMode();
+
+  Rectangle source = {0, 0, (float)target.texture.width, (float)-target.texture.height};
+  Rectangle dest = {0, 0, screenWidth, screenHeight};
+  Vector2 position = {0, 0};
+  Vector2 origin = {0.0f, 0.0f};
+
   while (!WindowShouldClose())
   {
-
     BeginDrawing();
-    ClearBackground(RAYWHITE);
-    BeginMode2D(camera);
 
-    DrawCircle(0, 0, 10.0f, RED);
+    DrawTexturePro(target.texture, source, dest, origin, 0.0f, WHITE);
-    draw_branch(start, 0, screenHeight / 4, 0);
 
-    EndMode2D();
     EndDrawing();
   }