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#pragma once #include "ofMain.h" class ofApp : public ofBaseApp { public: void setup(); void update(); void draw(); void keyPressed(int key) {}; void keyReleased(int key) {}; void mouseMoved(int x, int y) {}; void mouseDragged(int x, int y, int button) {}; void mousePressed(int x, int y, int button) {}; void mouseReleased(int x, int y, int button) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofEasyCam cam; ofMesh face; glm::vec3 target_location, camera_location; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetLineWidth(2); ofEnableDepthTest(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); auto base_noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); this->camera_location = glm::vec3( ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 75) * 0.01), 0, 1, -500, 500)); this->target_location = glm::vec3( ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + 90) * 0.01), 0, 1, -500, 500)); for (int k = 0; k < 7; k++) { int r = ofRandom(3); auto param = r == 0 ? glm::vec3(5, 0, 0) : r == 1 ? glm::vec3(0, 5, 0) : glm::vec3(0, 0, 5); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); auto start_index = this->face.getNumVertices(); ofColor color; color.setHsb(ofMap(k, 0, 7, 0, 255), 150, 255); for (int i = 0; i < 100; i++) { int index = this->face.getNumVertices(); auto base_location = glm::vec3( ofMap(ofNoise(base_noise_seed.x, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.y, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500), ofMap(ofNoise(base_noise_seed.z, (k * 0 + i + ofGetFrameNum()) * 0.01), 0, 1, -500, 500)); auto location = glm::vec3( ofMap(ofNoise(noise_seed.x, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.y, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100), ofMap(ofNoise(noise_seed.z, (k * 0 + i + ofGetFrameNum()) * 0.02), 0, 1, -100, 100)); location += base_location; this->face.addVertex(location + param); this->face.addVertex(location - param); auto alpha = ofMap(i, 0, 100, 255, 255); this->face.addColor(ofColor(color, alpha)); this->face.addColor(ofColor(color, alpha)); if (i > 0) { this->face.addIndex(index + 0); this->face.addIndex(index - 1); this->face.addIndex(index - 2); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index - 1); } } } } //-------------------------------------------------------------- void ofApp::draw() { auto camera_location = this->camera_location; this->cam.setPosition(camera_location); this->cam.setTarget(target_location); this->cam.lookAt(target_location); this->cam.begin(); this->face.drawFaces(); this->cam.end(); /* int start = 500; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |