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今日で毎日投稿を始めて8年！
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#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; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 220, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { this->mesh.clear(); ofFbo fbo; fbo.allocate(ofGetWidth(), ofGetHeight()); fbo.begin(); ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofClear(0); ofSetColor(0); font.drawString("8888", font.stringWidth("8888") * -0.5, font.stringHeight("8888") * -0.25); font.drawString("8888", font.stringWidth("8888") * -0.5, font.stringHeight("8888") * 1.25); fbo.end(); ofPixels pixels; fbo.readToPixels(pixels); float span = 1; for (float x = 0; x < fbo.getWidth(); x += span) { for (float y = 0; y < fbo.getHeight(); y += span) { auto len = glm::distance(glm::vec2(x, y), ofGetWindowSize() * 0.5); auto noise_value = ofMap(ofNoise(x * 0.0025, y * 0.0025, len * 0.005 - ofGetFrameNum() * 0.025), 0, 1, 0, 10); if ((int)noise_value % 2 == 0) { continue; } ofColor color = pixels.getColor((int)x, (int)y); if (color == ofColor(0, 0)) { continue; } this->mesh.addVertex(glm::vec3(x, y, 0)); this->mesh.addVertex(glm::vec3(x + span, y, 0)); this->mesh.addVertex(glm::vec3(x + span, y + span, 0)); this->mesh.addVertex(glm::vec3(x, y + span, 0)); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3); color.setHsb((int)ofMap((int)noise_value, 0, 10, 128, 255 + 128) % 255, 180, 255); for (int i = 0; i < 4; i++) { this->mesh.addColor(color); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->mesh.draw(); /* int start = 25; 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); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |