fixed SG2 demo so it isn't one frame behind

example-StyleGAN2/src/ofApp.cpp

@@ -30,14 +30,16 @@ void ofApp::setup()
 //--------------------------------------------------------------
 void ofApp::update()
 {
+    // structuring it this way allows you use tryReceive
+    ofxRunwayData dataToReceive;
 
     // infer/generate a new image if we have sent a request to Runway
-    if (bWaitingForResponse)
+    // using tryReceive we can make sure there is data available before grabbing it
+    while (runway.tryReceive(dataToReceive))
     {
-        runway.get("image", currentImg);    // stores generated image to currentImg
-        bWaitingForResponse = false;
+       dataToReceive.getImage("image", currentImg);
+       currentImg.update();
     }
-
 }
 //--------------------------------------------------------------
 void ofApp::draw()
@@ -100,8 +102,6 @@ void ofApp::generate_image(vector<float> z, float truncation)
     // basically, the higher the truncation value the weirder the results
 
     runway.send(data);
-
-    bWaitingForResponse = true;
 }
 
 // Runway sends information about the current model

example-StyleGAN2/src/ofApp.h

@@ -5,26 +5,24 @@
 
 // make sure you make your ofApp or class to inherit from ofxRunwayListener
 class ofApp : public ofBaseApp, public ofxRunwayListener{
-	
+
 public:
 	void setup();
 	void update();
 	void draw();
 	void keyReleased(int key);
-		
+
 	ofxRunway runway;
-	
+
 	ofImage currentImg;
-		
+
 	vector<float> generate_random_z();
 	void generate_image(vector<float> z, float truncation);
-	
+
 	// Callback functions that process what Runway sends back
 	void runwayInfoEvent(ofJson& info);
 	void runwayErrorEvent(string& message);
 
-	bool bWaitingForResponse = false;
-
 	// GAN options
 	float truncation = 1.5;
 	float min_max_vals = 2;