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ランダムウォークを曲線でつなぐ。
Connect random walks with a curve.
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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { vector<glm::vec2> location_list; vector<float> deg_list; for (int i = 0; i < 35; i++) { location_list.push_back(glm::vec2( ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0035), 0, 1, 50, ofGetWidth() - 50), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0035), 0, 1, 50, ofGetHeight() - 50))); deg_list.push_back(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -180, 180)); } for (int i = 0; i < location_list.size(); i++) { ofNoFill(); for (int k = i + 1; k < location_list.size(); k++) { auto distance = glm::distance(location_list[i], location_list[k]); if (distance < 80) { distance > 60 ? ofSetColor(39, ofMap(distance, 60, 80, 255, 0)) : ofSetColor(39); auto handle_1 = location_list[i] + glm::vec2(50 * cos(deg_list[i] * DEG_TO_RAD), 50 * sin(deg_list[i] * DEG_TO_RAD)); auto handle_2 = location_list[k] + glm::vec2(50 * cos(deg_list[k] * DEG_TO_RAD), 50 * sin(deg_list[k] * DEG_TO_RAD)); ofBeginShape(); ofVertex(location_list[i]); ofBezierVertex(handle_1, handle_2, location_list[k]); ofEndShape(); } } ofFill(); ofSetColor(39); ofDrawCircle(location_list[i], 5); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |