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円を覗く。
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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openframeworks"); ofBackground(39); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); auto radius = 50; auto len = 5; auto noise_seed = glm::vec3(ofRandom(100), ofRandom(100), ofRandom(100)); for (int z = 0; z < 300; z += 10) { auto rotate_x = ofMap(ofNoise(noise_seed.x, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30); auto rotate_y = ofMap(ofNoise(noise_seed.y, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30); auto rotate_z = ofMap(ofNoise(noise_seed.z, z * 0.0025 + ofGetFrameNum() * 0.01), 0, 1, -30, 30); ofPushMatrix(); ofRotateZ(rotate_z); ofRotateY(rotate_y); ofRotateX(rotate_x); for (int deg = 0; deg < 360; deg += 1) { vector<glm::vec3> vertices; vertices.push_back(glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), z)); vertices.push_back(glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), z)); vertices.push_back(glm::vec3((radius + len) * cos((deg + 1) * DEG_TO_RAD), (radius + len) * sin((deg + 1) * DEG_TO_RAD), z)); vertices.push_back(glm::vec3((radius + len) * cos(deg * DEG_TO_RAD), (radius + len) * sin(deg * DEG_TO_RAD), z)); ofSetColor(0); ofBeginShape(); ofVertices(vertices); ofEndShape(); ofSetColor(255); ofDrawLine(vertices[0], vertices[1]); ofDrawLine(vertices[2], vertices[3]); } ofPopMatrix(); } this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 250; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/0e479175fec2b27b3b1cc6f88164cd23e03d8355