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大きな円と座標をねじった小さい円を線でつなぐ。
Connect a large circle and a small circle with twisted coordinates with a line.
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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); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); int radius = 80; bool flag = true; for (int x = -225; x <= 225; x += 225) { for (int y = -225; y <= 225; y += 225) { ofPushMatrix(); ofTranslate(x, y); float noise_seed_x = ofRandom(1000); float noise_seed_y = ofRandom(1000); float noise_seed_z = ofRandom(1000); for (int deg = 0; deg < 360; deg += 10) { auto location_1 = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0); auto location_2 = glm::vec3(radius * 0.3 * cos(deg * DEG_TO_RAD), radius * 0.3 * sin(deg * DEG_TO_RAD), 0); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_z, location_1.x * 0.0015, location_1.y * 0.0015, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 0, 1)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_y, location_1.x * 0.0015, location_1.y * 0.0015, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(0, 1, 0)); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(noise_seed_x, location_1.x * 0.0015, location_1.x * 0.0015, ofGetFrameNum() * 0.005), 0, 1, -PI * 2, PI * 2), glm::vec3(1, 0, 0)); if (true) { location_2 = glm::vec4(location_2, 0) * rotation_y * rotation_x; } else { location_1 = glm::vec4(location_1, 0) * rotation_y * rotation_x; } ofDrawLine(location_1, location_2); ofDrawCircle(location_1, 3); ofDrawCircle(location_2, 2); } ofPopMatrix(); flag = !flag; } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |