[ Video ]
[ About ]
真夏の太陽。
It’s summer.
[ 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) {}; ofColor color; ofMesh face; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetCircleResolution(36); this->color = ofColor(230, 0, 82); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); int deg_span = 8; int radius_span = 3; int radius_max = 800; int range_min = 50; int range_max = radius_max * 1.5; for (int deg = 0; deg < 360; deg += deg_span) { int index = this->face.getNumVertices(); int param_2 = ofMap(ofNoise(cos(deg * DEG_TO_RAD) * 5, sin(deg * DEG_TO_RAD) * 5, ofGetFrameNum() * 0.005), 0, 1, range_min, radius_max); int param_1 = param_2 * 0.5; for (int radius = 50; radius < radius_max; radius += radius_span) { vector<glm::vec3> vertices; vertices.push_back(glm::vec3(radius * cos((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5 + 0.5) * DEG_TO_RAD), 0)); vertices.push_back(glm::vec3(radius * cos((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5 - 0.5) * DEG_TO_RAD), 0)); this->face.addVertices(vertices); if (radius < param_1) { this->face.addColor(ofColor(color, 255)); this->face.addColor(ofColor(color, 255)); } else if (radius < param_2) { this->face.addColor(ofColor(color, ofMap(radius, param_1, param_2, 255, 0))); this->face.addColor(ofColor(color, ofMap(radius, param_1, param_2, 255, 0))); } else { this->face.addColor(ofColor(color, 0)); this->face.addColor(ofColor(color, 0)); } } for (int i = index + 2; i < this->face.getNumVertices() - 2; i += 2) { this->face.addIndex(i + 0); this->face.addIndex(i + 1); this->face.addIndex(i + 3); this->face.addIndex(i + 0); this->face.addIndex(i + 3); this->face.addIndex(i + 2); } } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.7, ofGetHeight() * 0.28); ofSetColor(this->color); ofDrawCircle(glm::vec2(), 48); this->face.draw(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |