gistfile1.txt

#include "ofApp.h"
#include "ofAppGLFWWindow.h"

//--------------------------------------------------------------
void ofApp::setup(){
	ofSetVerticalSync(true);
	ofBackground(0);
    
    auto result = ofSystemLoadDialog("Select mesh bin");
    if (!result.bSuccess) {
        ofSystemAlertDialog("Quitting");
        ofExit();
    }
    
	ifstream load(ofToDataPath(result.filePath).c_str(), ios::binary);
    if (!load.is_open()) {
        ofLogError() << "failed to load file " << result.fileName;
        return;
    }
    auto numVertices = (uint32_t) this->mesh.getNumVertices();
    load.read((char *) & numVertices, sizeof(numVertices));
    this->mesh.getVertices().resize(numVertices);
    load.read((char *) this->mesh.getVerticesPointer(), sizeof(ofVec3f) * numVertices);
    
    auto numTexCoords = (uint32_t) this->mesh.getNumTexCoords();
    load.read((char *) & numTexCoords, sizeof(numTexCoords));
    this->mesh.getTexCoords().resize(numTexCoords);
    load.read((char *) this->mesh.getTexCoordsPointer(), sizeof(ofVec2f) * numTexCoords);
    
    auto numColors = (uint32_t) this->mesh.getNumColors();
    load.read((char *) & numColors, sizeof(numColors));
    this->mesh.getColors().resize(numColors);
    load.read((char *) this->mesh.getColorsPointer(), sizeof(ofColor) * numColors);
    
    load.close();
    
    this->image.allocate(1280, 800, OF_IMAGE_COLOR_ALPHA);
    this->image.getPixelsRef().set(0.0f);
    auto & pixels = this->image.getPixelsRef();
    for(int i=0; i<numVertices; i++) {
        auto & vertexPosition = this->mesh.getVerticesPointer()[i];
        auto & projectorCoordinate = this->mesh.getTexCoordsPointer()[i];
        
        auto & outputVertex = (ofVec4f &) pixels[projectorCoordinate.x, projectorCoordinate.y];
        outputVertex = vertexPosition * 255.0f;
        outputVertex.w = 1.0f;
        
        cout << projectorCoordinate << endl;
    }
    this->image.update();
}

//--------------------------------------------------------------
void ofApp::update(){
    
}

//--------------------------------------------------------------
void ofApp::draw(){
    this->image.draw(0, 0);
}

//--------------------------------------------------------------
void ofApp::keyPressed(int key){
	if (key == 'f') {
		ofToggleFullscreen();
	}
}

//--------------------------------------------------------------
void ofApp::keyReleased(int key){

}

//--------------------------------------------------------------
void ofApp::mouseMoved(int x, int y ){

}

//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){

}

//--------------------------------------------------------------
void ofApp::gotMessage(ofMessage msg){

}

//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){ 

}