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ジョイント可能。
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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) {}; float seed_value; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetColor(239); ofNoFill(); ofSetCircleResolution(60); this->seed_value = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(this->seed_value); } //-------------------------------------------------------------- void ofApp::draw() { auto center = glm::vec2(ofGetWindowSize() * 0.5); auto radius = 340; auto flag = ofRandom(100) < 50 ? true : false; vector<glm::vec2> vertices; for (int draw_radius = radius; draw_radius > 5;) { vertices.push_back(center); flag = !flag; auto tmp_radius = draw_radius; draw_radius *= 0.8; auto deg = ofMap(ofNoise(center.x * 0.0005, center.y * 0.0005, ofGetFrameNum() * 0.005), 0, 1, -720, 720); auto center_radius = tmp_radius - draw_radius; center = center + glm::vec2(center_radius * cos(deg * DEG_TO_RAD), center_radius * sin(deg * DEG_TO_RAD)); } ofBeginShape(); ofVertices(vertices); ofEndShape(); for (auto& vertex : vertices) { ofDrawCircle(vertex, 5); } /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 1; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/4bf4f36c108cc124088f14513240ebff16f8dc72