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Day 23 Lollipop
スパイラルの間隔を変更
Changing spiral spacing.
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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) {}; void draw_lollipop(glm::vec2 location, float radius); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(3); ofNoFill(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { int size = 240; for (int x = size * 0.5; x < ofGetWidth(); x += size) { for (int y = size * 0.5; y < ofGetHeight(); y += size) { this->draw_lollipop(glm::vec2(x, y), 100); } } } //-------------------------------------------------------------- void ofApp::draw_lollipop(glm::vec2 location, float radius) { ofPushMatrix(); ofTranslate(location); float r = 0; float radius_step = ofMap(ofNoise(ofRandom(100), ofGetFrameNum() * 0.03), 0, 1, 0.04, 0.08); float radius_max = radius; int deg = 0; ofBeginShape(); while (r < radius_max) { ofVertex(r * cos(deg * DEG_TO_RAD), r * sin(deg * DEG_TO_RAD)); r += radius_step; deg++; } for (int tmp_deg = deg; tmp_deg < deg + 360; tmp_deg++) { ofVertex(r * cos(tmp_deg * DEG_TO_RAD), r * sin(tmp_deg * DEG_TO_RAD)); } ofEndShape(); ofPopMatrix(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |