WIP trying to clip

4 files changed, 50 insertions, 23 deletions

diff --git a/nextus/src/lineClipper.cpp b/nextus/src/lineClipper.cpp
index bbfa9eb..eb9c480 100644
--- a/nextus/src/lineClipper.cpp
+++ b/nextus/src/lineClipper.cpp
@@ -2,32 +2,35 @@
 
 vector <colourPolyline> lineClipper::mask(
 	vector <colourPolyline> shapes,
-	vector <ofPolyline> mask,
+	ofRectangle frame,
 	bool invert
 	)
 {
 	vector <colourPolyline> output;
 
 	ofx::Clipper clipper;
+	
+	clipper.Clear();
+	clipper.addRectangle(frame, ClipperLib::ptClip, true);
+	vector <ofPolyline> polys; //TODO make clipper clip colourpolylines
+
+	for (auto& shape: shapes) polys.push_back(shape);
+    
+    clipper.addPolylines(polys,ClipperLib::ptSubject);
 		
-	for (auto& shape: shapes)
-    {	
-    	clipper.Clear();
-		clipper.addPolylines(mask, ClipperLib::ptClip);
-		vector <ofPolyline> polys; //TODO make clipper clip colourpolylines
-    	shapes.push_back(shape);
-    	clipper.addPolylines(polys,ClipperLib::ptSubject);
-		vector <ofPolyline> clipped;
-		if (invert){
-			clipped = clipper.getClipped(ClipperLib::ctDifference);
-		}else {
-			clipped = clipper.getClipped(ClipperLib::ctIntersection);
-		}
-		for (auto& clip: clipped)
-	    {
-	    	//clip.simplify(contour_simplify);
-	        output.push_back(colourPolyline(clip,shape.getColourAt(0)));
-	    }
+	vector <ofPolyline> clipped;
+
+	if (invert){
+		clipped = clipper.getClipped(ClipperLib::ctDifference);
+	}else {
+		clipped = clipper.getClipped(ClipperLib::ctIntersection);
+	}
+
+	for (auto& clip: clipped)
+    {
+    	//clip.simplify(contour_simplify);
+        output.push_back(colourPolyline(clip,shapes[0].getColourAt(0)));
     }
+   
     return output;
 }
\ No newline at end of file
diff --git a/nextus/src/lineClipper.h b/nextus/src/lineClipper.h
index d8b7fdd..7b098a1 100644
--- a/nextus/src/lineClipper.h
+++ b/nextus/src/lineClipper.h
@@ -12,7 +12,7 @@ class lineClipper {
 		}
 		vector <colourPolyline> static mask(
 			vector <colourPolyline> shapes,
-			vector <ofPolyline> mask,
+			ofRectangle frame,
 			bool invert=false);
 };
 		
diff --git a/nextus/src/ofApp.cpp b/nextus/src/ofApp.cpp
index f3aee1d..22e3d11 100644
--- a/nextus/src/ofApp.cpp
+++ b/nextus/src/ofApp.cpp
@@ -67,7 +67,7 @@ void ofApp::draw(){
 	textinput.draw();
 
 	//process the pipeline
-	vector<colourPolyline> output=textinput.getOutput();
+	vector<colourPolyline> output=textinput.clipOutput();
 
 	int points=0;
 
diff --git a/nextus/src/vectorPlugin.h b/nextus/src/vectorPlugin.h
index 3d01d07..78ce06d 100644
--- a/nextus/src/vectorPlugin.h
+++ b/nextus/src/vectorPlugin.h
@@ -22,6 +22,29 @@ class vectorPanel {
 			size=_size;
 			position=_pos;
 			panel.setup(_title,"",_pos.x,_pos.y+size.y+5);
+	
+			/*
+			float f1=-1.0;
+			float f2=1.0;
+			vector<glm::vec3> v1 = {{f1,f1,0},{f2,f1,0}};
+			vector<glm::vec3> v2 = {{f2,f1,0},{f2,f2,0}};
+			vector<glm::vec3> v3 = {{f2,f2,0},{f1,f2,0}};
+			vector<glm::vec3> v4 = {{f1,f2,0},{f1,f1,0}};
+			ofPolyline p1,p2,p3,p4;
+			p1.addVertices(v1);
+			p2.addVertices(v2);
+			p3.addVertices(v3);
+			p4.addVertices(v4);
+			frame.push_back(p1);
+			frame.push_back(p2);
+			frame.push_back(p3);
+			frame.push_back(p4);
+			*/
+
+			ofPolyline p=ofPolyline().fromRectangle(ofRectangle(-1.0f,-1.0f,2.0f,2.0f));
+			p.close();
+			
+			frame.push_back(p);
 		}
 		void draw(){	
 			panel.draw();
@@ -33,7 +56,7 @@ class vectorPanel {
 			ofPushMatrix();
 			ofTranslate(size/2);
 			ofScale(DISPLAYSIZE.x/2.0f);
-			vector<colourPolyline> lines=getOutput();
+			vector<colourPolyline> lines=clipOutput();
 			for (auto& line:lines){
 				line.draw();
 			}
@@ -41,7 +64,8 @@ class vectorPanel {
 			ofPopMatrix();
 		}
 		vector<colourPolyline> clipOutput() {
-			return getOut();
+			ofLog()<<"frame has "<<frame.size()<<" paths";
+			return lineClipper::mask(getOutput(),ofRectangle(-1.0f,-1.0f,2.0f,2.0f));
 		};
 		vector<colourPolyline> getOutput() {return getLines();};
 		virtual vector<colourPolyline> getLines() {};