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ドーナツの上のパーティクル
Particle on donut.
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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); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); auto radius_min = 120; auto radius_max = 320; vector<glm::vec2> random_locations; ofFill(); for (int i = 0; i < 120; i++) { auto random_radius = ofRandom(radius_min + 10, radius_max - 10); auto random_deg = ofRandom(360) + ofGetFrameNum() * ofRandom(0.5, 1.5) * (ofRandom(1) < 0.5 ? 1 : -1); auto random_location = glm::vec2(random_radius * cos(random_deg * DEG_TO_RAD), random_radius * sin(random_deg * DEG_TO_RAD)); random_locations.push_back(random_location); ofDrawCircle(random_location, 5); } for (auto& location : random_locations) { for (auto& other : random_locations) { if (location == other) { continue; } auto distance = glm::distance(location, other); if (distance < 40) { ofDrawLine(location, other); } } } vector<glm::vec2> vertices_min, vertices_max; for (int deg = 0; deg < 360; deg++) { vertices_min.push_back(glm::vec2(radius_min * cos(deg * DEG_TO_RAD), radius_min * sin(deg * DEG_TO_RAD))); vertices_max.push_back(glm::vec2(radius_max * cos(deg * DEG_TO_RAD), radius_max * sin(deg * DEG_TO_RAD))); } ofNoFill(); ofBeginShape(); ofVertices(vertices_min); ofEndShape(true); ofBeginShape(); ofVertices(vertices_max); ofEndShape(true); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |