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円をつなぐ。
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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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; 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(0); ofSetColor(200); ofNoFill(); ofSetCircleResolution(60); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); auto span = 10; for (auto radius = 150; radius <= 450; radius += 50) { auto small_radius = (radius * 2 * 3.14) / 360 * span; for (auto deg = 0; deg < 360; deg += span * 1.5) { auto base_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); ofNoFill(); ofDrawCircle(base_location, 10); ofFill(); ofDrawCircle(base_location, 5); ofSeedRandom(39); for (auto i = 0; i < 3; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); auto noise_radius = ofMap(ofNoise(noise_seed.x, base_location.x * 0.05, ofGetFrameNum() * 0.005), 0, 1, 0, small_radius); auto noise_deg = ofMap(ofNoise(noise_seed.y, base_location.y * 0.05, ofGetFrameNum() * 0.005), 0, 1, -360, 360); auto noise_location = glm::vec2(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD)); ofNoFill(); ofDrawCircle(base_location + noise_location, 5); ofFill(); ofDrawCircle(base_location + noise_location, 2); ofDrawLine(base_location, base_location + noise_location); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |