Add placeholder code for the ofxTriangleSurface

example/src/ofApp.cpp

@@ -2,7 +2,8 @@
 
 void ofApp::setup()
 {
-	cout << "Hello World!" << endl;
+    // Create a triangle surface
+    triangleSurface.setup( ofVec2f(30,40), ofVec2f(500,500), ofVec2f(0,600) );
 }
 
 void ofApp::update()
@@ -12,7 +13,7 @@ void ofApp::update()
 
 void ofApp::draw()
 {
-	ofRect(100, 100, ofGetWidth()-200, ofGetHeight()-200);
+    triangleSurface.draw();
 }
 
 void ofApp::keyPressed(int key)

src/ofxBaseSurface.cpp

@@ -0,0 +1 @@
+#include "ofxBaseSurface.h"

src/ofxBaseSurface.h

@@ -0,0 +1,17 @@
+#ifndef H_OFX_BASE_SURFACE
+#define H_OFX_BASE_SURFACE
+
+#include "ofMain.h"
+
+class ofxBaseSurface
+{
+public:
+    virtual void setup(){};
+    virtual void draw(){};
+    
+protected:
+    ofMesh mesh;
+    ofTexture* texture;
+};
+
+#endif

src/ofxTriangleSurface.cpp

@@ -3,9 +3,36 @@
 ofxTriangleSurface::ofxTriangleSurface()
 {
 	cout << "ofxTriangleSurface constructor." << endl;
+    setup();
 }
 
 ofxTriangleSurface::~ofxTriangleSurface()
 {
 	cout << "ofxTriangleSurface destructor." << endl;
+}
+
+void ofxTriangleSurface::setup()
+{
+    // Create 3 points for the triangle
+    ofVec2f p1 = ofVec2f(ofGetWidth()/2.0f, 0);
+    ofVec2f p2 = ofVec2f(ofVec2f(0, ofGetHeight()));
+    ofVec2f p3 = ofVec2f(ofGetWidth(), ofGetHeight());
+    
+    setup( p1, p2, p3 );
+}
+
+void ofxTriangleSurface::setup( ofVec2f p1, ofVec2f p2, ofVec2f p3 )
+{
+    // Clear previous vertices if any
+    mesh.clear();
+    
+    // Create a surface with the points
+    mesh.addVertex( p1 );
+    mesh.addVertex( p2 );
+    mesh.addVertex( p3 );
+}
+
+void ofxTriangleSurface::draw()
+{
+    mesh.draw();
 }

src/ofxTriangleSurface.h

@@ -2,12 +2,17 @@
 #define H_OFX_TRIANGLE_SURFACE
 
 #include "ofMain.h"
+#include "ofxBaseSurface.h"
 
-class ofxTriangleSurface
+class ofxTriangleSurface : public ofxBaseSurface
 {
 public:
 	ofxTriangleSurface();
 	~ofxTriangleSurface();
+    
+    void setup();
+    void setup( ofVec2f p1, ofVec2f p2, ofVec2f p3 );
+    void draw();
 };
 
 #endif