Add select joints on click

example/bin/data/surfaces.xml

@@ -2,16 +2,16 @@
     <surface>
         <vertices>
             <vertex>
-                <x>300.000000000</x>
-                <y>0.000000000</y>
+                <x>250.000000000</x>
+                <y>34.000000000</y>
             </vertex>
             <vertex>
-                <x>0.000000000</x>
-                <y>500.000000000</y>
+                <x>374.000000000</x>
+                <y>201.000000000</y>
             </vertex>
             <vertex>
-                <x>600.000000000</x>
-                <y>500.000000000</y>
+                <x>535.000000000</x>
+                <y>35.000000000</y>
             </vertex>
         </vertices>
         <texCoords>
@@ -36,30 +36,30 @@
     <surface>
         <vertices>
             <vertex>
-                <x>24.000000000</x>
-                <y>33.000000000</y>
+                <x>162.000000000</x>
+                <y>23.000000000</y>
             </vertex>
             <vertex>
-                <x>566.000000000</x>
-                <y>35.000000000</y>
+                <x>219.000000000</x>
+                <y>183.000000000</y>
             </vertex>
             <vertex>
-                <x>207.000000000</x>
-                <y>310.000000000</y>
+                <x>22.000000000</x>
+                <y>196.000000000</y>
             </vertex>
         </vertices>
         <texCoords>
             <texCoord>
-                <x>0.500000000</x>
-                <y>0.000000000</y>
+                <x>0.251666665</x>
+                <y>0.090000004</y>
             </texCoord>
             <texCoord>
-                <x>0.000000000</x>
-                <y>1.000000000</y>
+                <x>0.449999988</x>
+                <y>0.696666658</y>
             </texCoord>
             <texCoord>
-                <x>1.000000000</x>
-                <y>1.000000000</y>
+                <x>0.870000005</x>
+                <y>0.173333332</y>
             </texCoord>
         </texCoords>
         <source>
@@ -70,16 +70,16 @@
     <surface>
         <vertices>
             <vertex>
-                <x>74.709846497</x>
-                <y>448.636596680</y>
+                <x>75.709846497</x>
+                <y>450.636596680</y>
             </vertex>
             <vertex>
-                <x>564.630920410</x>
-                <y>201.926849365</y>
+                <x>214.630920410</x>
+                <y>282.926849365</y>
             </vertex>
             <vertex>
-                <x>23.396121979</x>
-                <y>257.170288086</y>
+                <x>24.396121979</x>
+                <y>259.170288086</y>
             </vertex>
         </vertices>
         <texCoords>
@@ -101,4 +101,38 @@
             <source-name>image4.jpg</source-name>
         </source>
     </surface>
+    <surface>
+        <vertices>
+            <vertex>
+                <x>487.148498535</x>
+                <y>299.815002441</y>
+            </vertex>
+            <vertex>
+                <x>280.170959473</x>
+                <y>483.102355957</y>
+            </vertex>
+            <vertex>
+                <x>252.250427246</x>
+                <y>248.424682617</y>
+            </vertex>
+        </vertices>
+        <texCoords>
+            <texCoord>
+                <x>0.063067839</x>
+                <y>0.981202126</y>
+            </texCoord>
+            <texCoord>
+                <x>0.064178742</x>
+                <y>0.652164280</y>
+            </texCoord>
+            <texCoord>
+                <x>0.925386906</x>
+                <y>0.977848232</y>
+            </texCoord>
+        </texCoords>
+        <source>
+            <source-type>image</source-type>
+            <source-name>none</source-name>
+        </source>
+    </surface>
 </surfaces>

src/ofxBaseJoint.cpp

@@ -54,6 +54,16 @@ void ofxBaseJoint::stopDrag()
     bDrag = false;
 }
 
+void ofxBaseJoint::select()
+{
+    selected = true;
+}
+
+void ofxBaseJoint::unselect()
+{
+    selected = false;
+}
+
 bool ofxBaseJoint::isDragged()
 {
     return bDrag;

src/ofxBaseJoint.h

@@ -21,6 +21,8 @@ public:
     void mouseDragged(ofMouseEventArgs& args);
     void startDrag();
     void stopDrag();
+    void select();
+    void unselect();
     bool isDragged();
     
     virtual void update(){};

src/ofxProjectionEditor.cpp

@@ -111,6 +111,13 @@ void ofxProjectionEditor::updateJoints()
     }
 }
 
+void ofxProjectionEditor::unselectAllJoints()
+{
+    for ( int i=0; i<joints.size(); i++ ) {
+        joints[i]->unselect();
+    }
+}
+
 void ofxProjectionEditor::moveSelectedSurface(ofVec2f by)
 {
     if ( surfaceManager == NULL ) return;

src/ofxProjectionEditor.h

@@ -23,6 +23,7 @@ public:
     void clearJoints();
     void createJoints();
     void updateJoints();
+    void unselectAllJoints();
     void moveSelectedSurface(ofVec2f by);
     void stopDragJoints();
     void updateVertices();

src/ofxSurfaceManagerGui.cpp

@@ -88,6 +88,8 @@ void ofxSurfaceManagerGui::mousePressed(ofMouseEventArgs &args)
         
         ofxCircleJoint* hitJoint = textureEditor.hitTestJoints(ofVec2f(args.x, args.y));
         if ( hitJoint != NULL ) {
+            textureEditor.unselectAllJoints();
+            hitJoint->select();
             hitJoint->startDrag();
             bSurfaceSelected = true;
         }
@@ -106,6 +108,8 @@ void ofxSurfaceManagerGui::mousePressed(ofMouseEventArgs &args)
         
         ofxCircleJoint* hitJoint = projectionEditor.hitTestJoints(ofVec2f(args.x, args.y));
         if ( hitJoint != NULL ) {
+            projectionEditor.unselectAllJoints();
+            hitJoint->select();
             hitJoint->startDrag();
             bSurfaceSelected = true;
         }

src/ofxTextureEditor.cpp

@@ -84,6 +84,13 @@ void ofxTextureEditor::clearJoints()
     }
 }
 
+void ofxTextureEditor::unselectAllJoints()
+{
+    for ( int i=0; i<joints.size(); i++ ) {
+        joints[i]->unselect();
+    }
+}
+
 void ofxTextureEditor::moveTexCoords(ofVec2f by)
 {
     if ( surface == NULL ) return;

src/ofxTextureEditor.h

@@ -21,6 +21,7 @@ public:
     void clear();
     void createJoints();
     void clearJoints();
+    void unselectAllJoints();
     void moveTexCoords(ofVec2f by);
     void stopDragJoints();
     ofxCircleJoint* hitTestJoints(ofVec2f pos);