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デジタル数字 x ノイズ。
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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) {}; void draw_digital(glm::vec2 location); void draw_hexagon(glm::vec2 location, float deg); int hexagon_height = 40; int hexagon_width = 10; float noise_step; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofSetColor(39); this->hexagon_height = 16; this->hexagon_width = 4; this->noise_step = ofRandom(1000); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); if (ofGetFrameNum() % 50 < 25) { this->noise_step += 0.1; } } //-------------------------------------------------------------- void ofApp::draw() { for (int x = this->hexagon_width * 3; x <= ofGetWidth(); x += this->hexagon_width * 6) { for (int y = this->hexagon_height * 1.5; y <= ofGetHeight(); y += this->hexagon_height * 3) { this->draw_digital(glm::vec2(x, y)); } } /* int start = 500; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- void ofApp::draw_digital(glm::vec2 location) { vector<pair<glm::vec2, float>> part_list = { make_pair<glm::vec2, float>(location + glm::vec2(0, -this->hexagon_height), 90), make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * 0.5), 0), make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * 0.5), 0), make_pair<glm::vec2, float>(location + glm::vec2(0, 0), 90), make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * -0.5, this->hexagon_height * -0.5), 0), make_pair<glm::vec2, float>(location + glm::vec2(this->hexagon_height * 0.5, this->hexagon_height * -0.5), 0), make_pair<glm::vec2, float>(location + glm::vec2(0, this->hexagon_height), 90) }; for (auto& part : part_list) { auto noise_value = ofNoise(part.first.x * 0.008, part.first.y * 0.008, this->noise_step); if (noise_value < 0.4 || noise_value > 0.6) { this->draw_hexagon(part.first, part.second); } } } //-------------------------------------------------------------- void ofApp::draw_hexagon(glm::vec2 location, float deg) { ofPushMatrix(); ofTranslate(location); ofRotate(deg); vector<glm::vec2> vertices; vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * -0.4)); vertices.push_back(glm::vec2(this->hexagon_width * -0.4, this->hexagon_height * 0.4)); vertices.push_back(glm::vec2(0, this->hexagon_height * 0.5)); vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * 0.4)); vertices.push_back(glm::vec2(this->hexagon_width * 0.4, this->hexagon_height * -0.4)); vertices.push_back(glm::vec2(0, this->hexagon_height * -0.5)); ofFill(); ofSetColor(0); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(255); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofPopMatrix(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |