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デジタルな数字を部位ごとに表示・非表示。
digital number * noise.
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); this->hexagon_height = 40; this->hexagon_width = 10; } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { for (int x = 120; x <= ofGetWidth() - 120; x += this->hexagon_height * 1.5) { for (int y = 120; y <= ofGetHeight() - 120; y += this->hexagon_height * 3) { this->draw_digital(glm::vec2(x, y)); } } } //-------------------------------------------------------------- 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, part.first.y, (ofGetFrameNum() + ofRandom(1000)) * 0.015); if (noise_value < 0.65) { 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(39); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofNoFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices); ofEndShape(true); ofPopMatrix(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |