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赤いオーブ。
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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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { float span = 1; ofColor color; vector<ofColor> color_list; color.setHsb(0, 255, 255); color_list.push_back(color); color.setHsb(200, 255, 255); color_list.push_back(color); for (int base_x = -230; base_x <= 230; base_x += 230) { for (int base_y = -230; base_y <= 230; base_y += 230) { for (int i = 0; i < color_list.size(); i++) { ofMesh mesh; auto noise_param = ofRandom(1000); for (float x = 10; x < ofGetWindowWidth() - 10 - span; x += span) { for (float y = 10; y < ofGetWindowHeight() - 10 - span; y += span) { if (glm::distance(glm::vec2(x, y), ofGetWindowSize() * 0.5) > 80) { continue; } mesh.addVertex(glm::vec3(base_x + x, base_y + y, 0)); mesh.addVertex(glm::vec3(base_x + x + span, base_y + y, 0)); mesh.addVertex(glm::vec3(base_x + x + span, base_y + y + span, 0)); mesh.addVertex(glm::vec3(base_x + x, base_y + y + span, 0)); for (int k = mesh.getNumVertices() - 4; k < mesh.getNumVertices(); k++) { auto noise_value = ofNoise(mesh.getVertex(k).x * 0.005, mesh.getVertex(k).y * 0.005, noise_param + ofGetFrameNum() * 0.02 + i * 0.05); int int_noise_value = noise_value; float param = noise_value - int_noise_value; param = abs(param - 0.5); auto color = ofColor(color_list[i], param < 0.1 ? ofMap(param, 0, 0.1, 255, 0) : 0); mesh.addColor(color); } mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 2); mesh.addIndex(mesh.getNumVertices() - 3); mesh.addIndex(mesh.getNumVertices() - 1); mesh.addIndex(mesh.getNumVertices() - 3); mesh.addIndex(mesh.getNumVertices() - 4); } } mesh.draw(); } } } /* int start = 1; 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()); } |