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昨日までのやつを反転して遊ぶ。
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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 line; vector<float> radius_list; vector<float> deg_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetLineWidth(2); ofEnableDepthTest(); this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int i = 0; i < 1500; i++) { this->radius_list.push_back(ofRandom(500)); this->deg_list.push_back(ofRandom(360)); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); int threshold_radius = 300; int max_radius = 500; this->line.clear(); for (int i = 0; i < this->radius_list.size(); i++){ int speed = 5; int radius_start = ((int)(this->radius_list[i] + speed) % max_radius); int radius = max_radius - radius_start; float deg_start = this->deg_list[i] + (radius > threshold_radius ? 1 : ofMap(radius, 0, threshold_radius, pow(speed, ofMap(radius, 0, threshold_radius, 2, 1)), 1)); float deg = deg_start; int color_value = ofRandom(0, 192); for (int k = 0; k < 5; k++) { radius = ((int)(this->radius_list[i] + speed * k) % max_radius); radius = max_radius - radius; deg += (radius > threshold_radius ? 1 : ofMap(radius, 1, threshold_radius, pow(speed, ofMap(radius, 0, threshold_radius, 2, 1)), 1)); auto z = radius > threshold_radius ? 0 : ofMap(radius, 0, threshold_radius, -1 * pow(threshold_radius - radius, 1.01), 0); auto vertex = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z + 2); this->line.addVertex(vertex); this->line.addColor(ofColor(color_value)); if (k > 0 && radius < max_radius - 10) { this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 2); } } this->radius_list[i] = radius_start; this->deg_list[i] = deg_start; } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(100); ofSetColor(0); //this->face.draw(); ofSetColor(255); this->line.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |