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くるりんぱ。
Spinning.
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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(0); ofSetLineWidth(1.5); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofColor color; float len = 5; bool flag = true; for (int x = -220; x <= 220; x += 220) { for (int y = -220; y <= 220; y += 220) { ofPushMatrix(); ofTranslate(x, y); if (flag) { ofRotateY(ofGetFrameNum()); } else { ofRotateX(ofGetFrameNum()); } int hue = ofRandom(255); for (float radius = 15; radius <= 100; radius += len * 2) { ofRotateZ(ofRandom(360)); ofRotateY(ofRandom(360)); ofRotateX(ofRandom(360)); vector<glm::vec2> vertices_1, vertices_2; float deg_start = ofRandom(360) + ofGetFrameNum() * ofRandom(3, 10); for (float deg = deg_start; deg < deg_start + 270; deg += 1) { vertices_1.push_back(glm::vec2((radius - len * 0.5) * cos(deg * DEG_TO_RAD), (radius - len * 0.5) * sin(deg * DEG_TO_RAD))); vertices_2.push_back(glm::vec2((radius + len * 0.5) * cos(deg * DEG_TO_RAD), (radius + len * 0.5) * sin(deg * DEG_TO_RAD))); } reverse(vertices_2.begin(), vertices_2.end()); color.setHsb(hue, 150, 255); ofNoFill(); ofSetColor(color); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); hue = (hue + (int)ofRandom(20, 120)) % 255; } ofPopMatrix(); } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |