add flag for normals

demo/main.cpp

@@ -15,6 +15,8 @@
 
 #include <imgui.h>
 
+constexpr bool showNormals = false;
+
 template <typename T> int sgn(T val) {
     return (T(0) < val) - (val < T(0));
 }
@@ -326,11 +328,13 @@ int main(int argc, char* argv[]) {
 		meshRenderer.render(win, ecs, camEnt, 16.0f);
 
 		// render using normals shader
-		for ( auto renderable : renderables ) {
-			auto token = ecs.getComponent<fggl::gfx::MeshToken>(renderable);
-			token->pipeline = shaderNormals;
+		if ( showNormals ) {
+			for ( auto renderable : renderables ) {
+				auto token = ecs.getComponent<fggl::gfx::MeshToken>(renderable);
+				token->pipeline = shaderNormals;
+			}
+			meshRenderer.render(win, ecs, camEnt, 16.0f);
 		}
-		meshRenderer.render(win, ecs, camEnt, 16.0f);
 
 		debug.draw();
 		win.swap();