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RGBアメーバ。
RGB Ameba.
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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) {}; ofMesh mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); this->mesh.setMode(OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); for (auto x = 180; x < 720; x += 360) { for (auto y = 180; y < 720; y += 360) { for (auto i = 0; i < 3; i++) { float noise_seed = ofRandom(1000); for (auto deg = 0; deg < 360; deg += 5) { auto noise_location = glm::vec2(cos(deg * DEG_TO_RAD), sin(deg * DEG_TO_RAD)); auto noise_radius = ofMap(ofNoise(noise_seed, noise_location.x, noise_location.y, ofGetFrameNum() * 0.005), 0, 1, 60, 150); auto location = glm::vec3(x, y, 0) + glm::vec3(noise_radius * cos(deg * DEG_TO_RAD), noise_radius * sin(deg * DEG_TO_RAD), 0); this->mesh.addVertex(location); this->mesh.addColor(i == 0 ? ofColor(255, 64, 64) : i == 1 ? ofColor(64, 255, 64) : ofColor(64, 64, 255)); } } for (int i = 0; i < this->mesh.getVertices().size(); i++) { auto location = this->mesh.getVertex(i); vector<int> near_index_list; for (int k = i + 1; k < this->mesh.getVertices().size(); k++) { auto other = this->mesh.getVertex(k); auto distance = glm::distance(location, other); if (distance < 13) { this->mesh.addIndex(i); this->mesh.addIndex(k); } } } } } } //-------------------------------------------------------------- void ofApp::draw() { this->mesh.draw(); for (int i = 0; i < this->mesh.getVertices().size(); i++) { auto location = this->mesh.getVertex(i); auto color = this->mesh.getColor(i); ofSetColor(color); ofDrawCircle(location, 2); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |