added ofx2DCanvasTransformSync class. still needs some extra helper f…

…unctions, and examples but it works
roymacdonald · May 19, 2024 · 67691a4 · 67691a4
1 parent 5d6ec77
commit 67691a4
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diff --git a/src/Renderers/ofx2DCanvas.cpp b/src/Renderers/ofx2DCanvas.cpp
@@ -10,6 +10,23 @@
 #include "glm/mat4x4.hpp"
 
 
+ofx2DCanvasTransformSync::ofx2DCanvasTransformSync(ofx2DCanvas* _owner , ofx2DCanvas* _other ):owner(_owner), other(_other)
+{
+    if(owner && other && owner != other){
+        listeners.push(owner->onTransformBegin.newListener(this, &ofx2DCanvasTransformSync::onTransformUpdate) );
+        listeners.push(owner->onTransformUpdate.newListener(this, &ofx2DCanvasTransformSync::onTransformUpdate) );
+    }
+}
+
+void ofx2DCanvasTransformSync::onTransformUpdate(){
+            auto & oc = owner->getCamera();
+            auto & c = other->getCamera();
+            c.setPosition(oc.getPosition());
+            c.setScale(oc.getScale());
+
+}
+
+
 ofx2DCanvas::ofx2DCanvas(){
 
     {

diff --git a/src/Renderers/ofx2DCanvas.h b/src/Renderers/ofx2DCanvas.h
@@ -9,6 +9,23 @@
 #pragma once
 #include "ofMain.h"
 
+class ofx2DCanvas;
+
+class ofx2DCanvasTransformSync{
+public:
+    ofx2DCanvasTransformSync(ofx2DCanvas* _owner, ofx2DCanvas* _other );
+
+    void onTransformUpdate();
+
+
+
+    ofEventListeners listeners;
+
+    ofx2DCanvas* owner = nullptr;
+    ofx2DCanvas* other = nullptr;
+
+};
+
 
 class ofx2DCanvas{
 public: