From e9e12efa3333f0f9e1b7baa84e8a8802733b13ac Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@eclectronics.org>
Date: Wed, 21 Mar 2012 15:57:14 +0000
Subject: ofxRay confusion

---
 rayhit/src/testApp.cpp | 109 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 rayhit/src/testApp.cpp

(limited to 'rayhit/src/testApp.cpp')

diff --git a/rayhit/src/testApp.cpp b/rayhit/src/testApp.cpp
new file mode 100644
index 0000000..750287c
--- /dev/null
+++ b/rayhit/src/testApp.cpp
@@ -0,0 +1,109 @@
+#include "testApp.h"
+
+//--------------------------------------------------------------
+void testApp::setup(){
+	ofVec3f centre=ofVec3f(ofGetWidth()/2,ofGetHeight(),0);
+	ofVec3f normal=ofVec3f(0,0,1);
+	ray=ofRay();
+	plane=ofPlane(centre,normal);
+	
+	projector=ofProjector(ofGetWidth(),ofGetHeight());
+	
+	pos=ofVec3f(ofGetWidth()/2,ofGetHeight()/2,0);
+}
+
+//--------------------------------------------------------------
+void testApp::update(){
+	
+
+
+}
+
+//--------------------------------------------------------------
+void testApp::draw(){
+	ofBackground(0,0,0);
+	plane.draw();
+	
+	float gap=ofGetHeight()-ofGetWidth();
+	
+	ofPushMatrix();
+
+	ofTranslate(0,ofGetHeight(),0);
+	ofRotate(cam_angle,1,0,0);
+	ofTranslate(0,-ofGetHeight(),0);
+
+	for (float i=0;i<ofGetWidth();i+=ofGetWidth()/10) {
+        glBegin(GL_LINES);
+            glVertex3f(i,gap,0);
+            glVertex3f(i,ofGetHeight(),0);
+        glEnd();
+        glBegin(GL_LINES);
+            glVertex3f(0,i+gap,0);
+            glVertex3f(ofGetWidth(),i+gap,0);
+        glEnd();
+	}
+	
+	ofPopMatrix();
+	
+	ofSphere(pos.x,pos.y,pos.z,20);
+
+}
+
+//--------------------------------------------------------------
+void testApp::keyPressed(int key){
+
+	switch (key){
+		case 'a':
+			cam_angle+=1;
+			break;
+		case 'z':
+			cam_angle-=1;
+			break;
+	}
+	plane.setNormal(ofVec3f(0,sin(cam_angle),cos(cam_angle)));
+}
+
+//--------------------------------------------------------------
+void testApp::keyReleased(int key){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseMoved(int x, int y ){
+	
+}
+
+//--------------------------------------------------------------
+void testApp::mouseDragged(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mousePressed(int x, int y, int button){
+
+}
+
+//--------------------------------------------------------------
+void testApp::mouseReleased(int x, int y, int button){
+	ray=projector.castPixel(x,(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);
+	
+}
+
+//--------------------------------------------------------------
+void testApp::windowResized(int w, int h){
+
+}
+
+//--------------------------------------------------------------
+void testApp::gotMessage(ofMessage msg){
+
+}
+
+//--------------------------------------------------------------
+void testApp::dragEvent(ofDragInfo dragInfo){
+
+}
-- 
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