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1/3のハート
One third Heart.
[ Source ]
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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) {}; ofPoint make_heart_point(float param, int deg, int z = 0); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("Insta"); ofNoFill(); ofBackground(239); ofSetColor(39); ofSetLineWidth(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); for (float param = 1; param < 20; param += 0.5) { int deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 5); ofBeginShape(); for (int deg = deg_start; deg < deg_start + 120; deg += 1) { ofVertex(this->make_heart_point(param, deg)); } ofEndShape(); } } //-------------------------------------------------------------- ofPoint ofApp::make_heart_point(float param, int deg, int z) { float x = param * (16 * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD)); float y = param * (13 * cos(deg * DEG_TO_RAD) - 5 * cos(2 * deg * DEG_TO_RAD) - 2 * cos(3 * deg * DEG_TO_RAD) - cos(4 * deg * DEG_TO_RAD)); return ofPoint(x, -y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |