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#include "testApp.h"
//--------------------------------------------------------------
void testApp::setup(){
ofVec3f centre=ofVec3f(ofGetWidth()/2,0,0); //ofGetHeight(),0);
ofVec3f normal=ofVec3f(0,0,-1);
ray=ofRay();
plane=ofPlane(centre,normal,normal,ofVec2f(ofGetWidth(),ofGetWidth()));
plane.color=ofColor(255,255,255);
//setup that works for a new camera. but can we match the existing camera, must be possible!
/*
projector=ofProjector(1.535f, ofVec2f(0.0f, 0.5f),ofGetWidth(),ofGetHeight());
projector.setPosition(ofGetWidth()/2,ofGetHeight()/2,ofGetHeight());
*/
//Projector::Projector(float throwRatio, const ofVec2f& lensOffset, int width, int height)
projector=ofProjector(2.0f, ofVec2f(0.0f, 0.0f),ofGetWidth(),ofGetHeight()); //1.535f
projector.setPosition(ofGetWidth()/2,ofGetHeight()/2,-ofGetWidth());
projector.lookAt(ofVec3f(ofGetWidth()/2,ofGetHeight()/2,0),ofVec3f(0, -1, 0));
pos=ofVec3f(ofGetWidth()/2,ofGetHeight()/2,0);
cam=ofCamera();
//cam defaults to (0,0,0);
cam.setPosition(ofGetWidth()/2,ofGetHeight()/2,-ofGetWidth());
//cam.setOrientation(ofVec3f(0,0,1));
cam.lookAt(ofVec3f(ofGetWidth()/2,ofGetHeight()/2,0),ofVec3f(0, -1, 0));
cam.setFov(42.0); //39.85); //53.13);
//ofVec3f campoint=cam.getLookAtDir();
//printf("camera at %f,%f,%f looking %f,%f,%f\n",cam.getX(),cam.getY(),cam.getZ(),campoint.x,campoint.y,campoint.z);
cam_angle=0;
//projector=ofProjector(cam.getProjectionMatrix(ofRectangle(0,0,ofGetWidth(),ofGetHeight())),ofGetWidth(),ofGetHeight());
}
//--------------------------------------------------------------
void testApp::update(){
}
//--------------------------------------------------------------
void testApp::draw(){
ofBackground(0,0,0);
cam.begin();
plane.draw();
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,0,0);
glVertex3f(i,ofGetWidth(),0);
glEnd();
glBegin(GL_LINES);
glVertex3f(0,i,0);
glVertex3f(ofGetWidth(),i,0);
glEnd();
}
ofPopMatrix();
ofSphere(pos.x,pos.y,pos.z,20);
/*
for (int j=0;j<ofGetWidth();j+=64){
for (int k=0;k<ofGetHeight();k+=64){
ofSphere(j,k,5);
}
}
*/
cam.end();
}
//--------------------------------------------------------------
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*0.01745329),-cos(cam_angle*0.01745329)));
printf("plane normal:0,%f,%f\n",sin(cam_angle*0.01745329),-cos(cam_angle*0.01745329));
//degrees to radians
}
//--------------------------------------------------------------
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){
}
//--------------------------------------------------------------
/*
2 things appear to be wrong
-angle wrong
degrees to radians 1 thing - how to match the drawn grid
why won't the plane draw!
-in any case the ray hit should always place the sphere under the mouse
*/
void testApp::mouseReleased(int x, int y, int button){
ray=projector.castPixel(x,y); //+(ofGetHeight()/2)); //(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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