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ツイン霧。
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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(0); ofNoFill(); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofRotateZ(ofGetFrameNum() * -0.77); ofColor color; float radius = 250; for (int i = 0; i < 2; i++) { auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); color.setHsb(ofMap(i, 0, 1, 140, 255), 255, 255); for (int k = 0; k < 1300; k++) { float deg = ofGetFrameNum() * 1.44 + k * 0.25 + i * 180; auto location = glm::vec2( radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto next = glm::vec2( radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD)); auto velocity = next - location; float rotate_x = ofMap(ofNoise(noise_seed.x, (ofGetFrameNum() + k) * 0.003), 0, 1, -360, 360); float rotate_y = ofMap(ofNoise(noise_seed.y, (ofGetFrameNum() + k) * 0.003), 0, 1, -360, 360); ofSetColor(ofColor(color, ofMap(k, 0, 1300, 32, 64))); ofPushMatrix(); ofTranslate(location); ofRotateY(rotate_y); ofRotateX(rotate_x); float len = ofMap(k, 0, 1300, 5, 60); ofBeginShape(); for (int m = 0; m < 360; m += 60) { ofVertex(glm::vec2(len * cos(m * DEG_TO_RAD), len * sin(m * DEG_TO_RAD))); } ofEndShape(true); ofPopMatrix(); } } /* int start = 200; 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()); } |