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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; vector<float> radius_list; vector<float> max_radius_list; vector<glm::vec3> rotate_list; vector<ofColor> color_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(3); ofSetCircleResolution(60); ofEnableBlendMode(OF_BLENDMODE_ADD); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); ofColor color; if (ofGetFrameNum() % 5 == 0) { this->radius_list.push_back(5); this->max_radius_list.push_back(400); this->rotate_list.push_back( glm::vec3( ofMap(ofNoise(1984, ofGetFrameNum() * 0.0035), 0, 1, -360, 360), ofMap(ofNoise(1103, ofGetFrameNum() * 0.0035), 0, 1, -360, 360), ofMap(ofNoise(0702, ofGetFrameNum() * 0.0035), 0, 1, -360, 360)) ); color.setHsb((ofGetFrameNum() * 5) % 255, 255, 255); this->color_list.push_back(color); } for (int i = this->radius_list.size() - 1; i > -1; i--) { if (this->radius_list[i] < this->max_radius_list[i]) { this->radius_list[i] += 5; } else { this->radius_list.erase(this->radius_list.begin() + i); this->max_radius_list.erase(this->max_radius_list.begin() + i); this->rotate_list.erase(this->rotate_list.begin() + i); this->color_list.erase(this->color_list.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 1.44); for (int i = 0; i < this->radius_list.size(); i++) { ofPushMatrix(); ofRotateZ(this->rotate_list[i].z); ofRotateY(this->rotate_list[i].y); ofRotateX(this->rotate_list[i].x); ofFill(); ofSetColor(this->color_list[i], ofMap(this->radius_list[i], 10, this->max_radius_list[i], 128, 0)); ofBeginShape(); auto radius = this->radius_list[i] + 10; for (int deg = 0; deg < 360; deg++) { ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } ofNextContour(true); radius = this->radius_list[i] - 10; for (int deg = 0; deg < 360; deg++) { ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } ofEndShape(true); ofNoFill(); ofSetColor(this->color_list[i], ofMap(this->radius_list[i], 10, this->max_radius_list[i], 255, 0)); ofBeginShape(); for (int deg = 0; deg < 360; deg++) { ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } ofEndShape(true); radius = this->radius_list[i] + 10; ofBeginShape(); for (int deg = 0; deg < 360; deg++) { ofVertex(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } ofEndShape(true); ofPopMatrix(); } this->cam.end(); /* int start = 250; 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()); } |