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三角形ず。
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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(30); ofSetWindowTitle("openFrameworks"); ofBackground(255); ofSetColor(0); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); int radius = 15; for (int x = -300; x <= 300; x += 30) { for (int y = -300; y <= 300; y += 30) { if (abs(x) <= 60 && abs(y) <= 60) { continue; } ofPushMatrix(); ofTranslate(glm::vec2(x, y)); auto noise_param = abs(x) > abs(y) ? abs(x) : abs(y); auto noise_value = ofNoise(noise_param * 0.005 - ofGetFrameNum() * 0.01); auto deg_start = atan2(-y, -x) * RAD_TO_DEG; if(noise_value > 0.4 && noise_value < 0.6){ deg_start += ofMap(noise_value, 0.4, 0.6, 0, 360); } ofBeginShape(); for (int deg = deg_start; deg < deg_start + 360; deg += 120){ ofVertex(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); } ofEndShape(true); ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |