From ee49f3b80f53d6ae0e433684a3dab407baaade89 Mon Sep 17 00:00:00 2001
From: Krisjanis Rijnieks <krisjanis.rijnieks@gmail.com>
Date: Fri, 2 May 2014 18:50:43 +0200
Subject: [PATCH] Add setTexCoord method to triangle surface to be able to
 control texture coordinates of each triangle vertex

---
 example/src/ofApp.cpp      |  7 ++++++-
 src/ofxBaseSurface.h       |  1 +
 src/ofxTriangleSurface.cpp | 10 ++++++++++
 src/ofxTriangleSurface.h   |  1 +
 4 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/example/src/ofApp.cpp b/example/src/ofApp.cpp
index 49e2ddc..b59ac41 100644
--- a/example/src/ofApp.cpp
+++ b/example/src/ofApp.cpp
@@ -16,7 +16,12 @@ void ofApp::update()
     ofVec2f p;
     p.x = ofRandomWidth();
     p.y = ofRandomHeight();
-    triangleSurface.setVertex(0, p);
+    //triangleSurface.setVertex(0, p);
+    
+    ofVec2f t;
+    t.x = ofRandomuf();
+    t.y = ofRandomuf();
+    triangleSurface.setTexCoord(0, t);
 }
 
 void ofApp::draw()
diff --git a/src/ofxBaseSurface.h b/src/ofxBaseSurface.h
index f25551f..646ff6d 100644
--- a/src/ofxBaseSurface.h
+++ b/src/ofxBaseSurface.h
@@ -10,6 +10,7 @@ public:
     virtual void setup(){};
     virtual void draw(){};
     virtual void setVertex(int index, ofVec2f p){};
+    virtual void setTexCoord(int index, ofVec2f t){};
     
 protected:
     ofMesh mesh;
diff --git a/src/ofxTriangleSurface.cpp b/src/ofxTriangleSurface.cpp
index a5e3c65..3694767 100644
--- a/src/ofxTriangleSurface.cpp
+++ b/src/ofxTriangleSurface.cpp
@@ -60,4 +60,14 @@ void ofxTriangleSurface::setVertex(int index, ofVec2f p)
     }
     
     mesh.setVertex(index, p);
+}
+
+void ofxTriangleSurface::setTexCoord(int index, ofVec2f t)
+{
+    if ( index > 2 ) {
+        ofLog() << "Texture coordinate with this index does not exist: " << index << endl;
+        return;
+    }
+    
+    mesh.setTexCoord(index, t);
 }
\ No newline at end of file
diff --git a/src/ofxTriangleSurface.h b/src/ofxTriangleSurface.h
index 88c49ad..9efa431 100644
--- a/src/ofxTriangleSurface.h
+++ b/src/ofxTriangleSurface.h
@@ -14,6 +14,7 @@ public:
     void setup( ofVec2f p1, ofVec2f p2, ofVec2f p3, ofVec2f t1, ofVec2f t2, ofVec2f t3, ofTexture* texturePtr );
     void draw();
     void setVertex( int index, ofVec2f p );
+    void setTexCoord( int index, ofVec2f t );
 };
 
 #endif
\ No newline at end of file