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円だったりノイズだったり
Circle or Noise.
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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(239); ofSetColor(39); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { auto radius = 10; auto span = 60; auto margin = 60; for (int x = margin; x <= ofGetWidth() - margin; x += span) { for (int y = margin; y <= ofGetHeight() - margin; y += span) { auto location = glm::vec2(x, y); auto location_noise_value = ofNoise(location.x * 0.005, location.y * 0.005, ofGetFrameNum() * 0.008); vector<glm::vec2> vertices; if (location_noise_value > 0.55) { for (int deg = 0; deg < 360; deg++) { auto noise_location = location + glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto noise_radius = ofMap(ofNoise(noise_location.x * 0.45, noise_location.y * 0.45, ofGetFrameNum() * 0.005), 0, 1, radius, radius * 3); auto tmp_radius = radius + noise_radius * ofMap(location_noise_value, 0.55, 1, 0, 1); vertices.push_back(glm::vec2(tmp_radius * cos(deg * DEG_TO_RAD), tmp_radius * sin(deg * DEG_TO_RAD))); } } else { for (int deg = 0; deg < 360; deg++) { vertices.push_back(glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD))); } } ofPushMatrix(); ofTranslate(location); ofBeginShape(); ofVertices(vertices); ofEndShape(); ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |