rayhit still iffy. starting morpher

3 files changed, 80 insertions, 24 deletions

diff --git a/gaunt01/src/main.cpp b/gaunt01/src/main.cpp
index 6a32c6a..e502a4d 100644
--- a/gaunt01/src/main.cpp
+++ b/gaunt01/src/main.cpp
@@ -6,7 +6,7 @@
 int main( ){
 
     ofAppGlutWindow window;
-	ofSetupOpenGL(&window, 1024,768, OF_WINDOW);			// <-------- setup the GL context
+	ofSetupOpenGL(&window, 640,480, OF_WINDOW);			// <-------- setup the GL context
 
 	// this kicks off the running of my app
 	// can be OF_WINDOW or OF_FULLSCREEN
diff --git a/gaunt01/src/testApp.cpp b/gaunt01/src/testApp.cpp
index fdff756..00658b4 100644
--- a/gaunt01/src/testApp.cpp
+++ b/gaunt01/src/testApp.cpp
@@ -18,6 +18,23 @@ void testApp::setup(){
 
 	bLearnBakground = true;
 	threshold = 80;
+
+	ofVec3f centre=ofVec3f(ofGetWidth()/2,0,0);
+	ofVec3f normal=ofVec3f(0,0,-1);
+	ray=ofRay();
+	plane=ofPlane(centre,normal);
+	plane.color=ofColor(255,255,255);
+
+	projector=ofProjector(1.535f, ofVec2f(0.0f, 0.5f),ofGetWidth(),ofGetHeight());
+	projector.setPosition(ofGetWidth()/2,ofGetHeight()/2,ofGetHeight());
+
+	cam=ofCamera();
+	cam.setPosition(ofGetWidth()/2,ofGetHeight()/2,ofGetHeight());
+	cam.lookAt(ofVec3f(ofGetWidth()/2,ofGetHeight()/2,0));
+	cam.setFov(54.13);
+
+	cam_angle=0;
+
 }
 
 //--------------------------------------------------------------
@@ -54,7 +71,7 @@ void testApp::update(){
 
 		// find contours which are between the size of 20 pixels and 1/3 the w*h pixels.
 		// also, find holes is set to true so we will get interior contours as well....
-		contourFinder.findContours(grayDiff, 20, (340*240)/3, 10, true);	// find holes
+		contourFinder.findContours(grayDiff, 20, (340*240)/3, 10, false);	// don't find holes
 	}
 
 }
@@ -62,6 +79,7 @@ void testApp::update(){
 //--------------------------------------------------------------
 void testApp::draw(){
 
+	/*
 	// draw the incoming, the grayscale, the bg and the thresholded difference
 	ofSetHexColor(0xffffff);
 	colorImg.draw(20,20);
@@ -70,45 +88,68 @@ void testApp::draw(){
 	grayDiff.draw(360,280);
 
 	// then draw the contours:
-
+ */
 	ofFill();
 	ofSetHexColor(0x333333);
-	ofRect(360,540,320,240);
-	ofSetHexColor(0xffffff);
+	//ofRect(360,540,320,240);
+	ofSetHexColor(0xa0a0a0);
 
 	// we could draw the whole contour finder
 	//contourFinder.draw(360,540);
 
-	// or, instead we can draw each blob individually,
-	// this is how to get access to them:
-    for (int i = 0; i < contourFinder.nBlobs; i++){
-        contourFinder.blobs[i].draw(360,540);
-    }
 
-	// finally, a report:
-
-	ofSetHexColor(0xffffff);
-	char reportStr[1024];
-	sprintf(reportStr, "bg subtraction and blob detection\npress ' ' to capture bg\nthreshold %i (press: +/-)\nnum blobs found %i, fps: %f", threshold, contourFinder.nBlobs, ofGetFrameRate());
-	ofDrawBitmapString(reportStr, 20, 600);
+	colorImg.draw(0,0,ofGetWidth(),ofGetHeight());
 
-	float gap=ofGetHeight()-ofGetWidth();
+	cam.begin();
+	ofPushMatrix();
 
-	ofTranslate(0,ofGetHeight(),0);
 	ofRotate(cam_angle,1,0,0);
-	ofTranslate(0,-ofGetHeight(),0);
 
-	for (float i=0;i<ofGetWidth();i+=ofGetWidth()/10) {
+	for (float i=0;i<=ofGetWidth();i+=ofGetWidth()/10) {
         glBegin(GL_LINES);
-            glVertex3f(i,gap,0);
-            glVertex3f(i,ofGetHeight(),0);
+            glVertex3f(i,0,0);
+            glVertex3f(i,ofGetWidth(),0);
         glEnd();
         glBegin(GL_LINES);
-            glVertex3f(0,i+gap,0);
-            glVertex3f(ofGetWidth(),i+gap,0);
+            glVertex3f(0,i,0);
+            glVertex3f(ofGetWidth(),i,0);
         glEnd();
 	}
 
+	ofPopMatrix();
+	cam.end();
+
+	ofSphere(pos.x,pos.y,pos.z,5);
+
+	    for (int i = 0; i < contourFinder.nBlobs; i++){
+		contourFinder.blobs[i].draw(0,0);
+
+		ofPoint p=contourFinder.blobs[i].centroid;
+		ofVec3f pp;
+
+		cam.begin();
+			ofPushMatrix();
+
+			ofRotate(cam_angle,1,0,0);
+				ray=projector.castPixel(p.x,(ofGetHeight()/2)-p.y); //(ofGetHeight()-y));
+				bool hit = plane.intersect(ray,pp);
+				ofBox(pp,50);
+		    	ofPopMatrix();
+		cam.end();
+
+	    }
+
+
+
+	// finally, a report:
+
+	ofSetHexColor(0xffffff);
+	char reportStr[1024];
+	sprintf(reportStr, "threshold %i\nnum blobs found %i, fps: %f", threshold, contourFinder.nBlobs, ofGetFrameRate());
+	ofDrawBitmapString(reportStr, 10, 215);
+
+
+
 }
 
 //--------------------------------------------------------------
@@ -133,6 +174,7 @@ void testApp::keyPressed(int key){
 			cam_angle-=1;
 			break;
 	}
+	plane.setNormal(ofVec3f(0,sin(cam_angle*0.01745329),-cos(cam_angle*0.01745329)));
 }
 
 //--------------------------------------------------------------
@@ -157,6 +199,12 @@ void testApp::mousePressed(int x, int y, int button){
 
 //--------------------------------------------------------------
 void testApp::mouseReleased(int x, int y, int button){
+    ray=projector.castPixel(x,((3*(ofGetHeight()/2))-y)); //(ofGetHeight()-y));
+	bool hit = plane.intersect(ray,pos);
+	//pos=ofVec3f(pos.x*2,pos.y*2,pos.z*2);
+	if (hit) printf("ray:%i,%i hit plane:%f,%f,%f\n",x,y,pos.x,pos.y,pos.z);
+	else printf("ray:%i,%i missed plane\n",x,y);
+
 
 }
 
diff --git a/gaunt01/src/testApp.h b/gaunt01/src/testApp.h
index eafbf00..de13eae 100644
--- a/gaunt01/src/testApp.h
+++ b/gaunt01/src/testApp.h
@@ -3,6 +3,7 @@
 #include "ofMain.h"
 
 #include "ofxOpenCv.h"
+#include "ofxRay.h"
 
 //#define _USE_LIVE_VIDEO		// uncomment this to use a live camera
 								// otherwise, we'll use a movie file
@@ -43,6 +44,13 @@ class testApp : public ofBaseApp{
 
 		float cam_angle;
 
+		ofCamera cam;
+
+		ofRay ray;
+		ofPlane plane;
+		ofProjector projector;
+
+		ofVec3f pos;
 
 };