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球のなかの球。
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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) {}; ofEasyCam cam; ofIcoSpherePrimitive ico_sphere; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(0.5); ofEnableDepthTest(); this->ico_sphere = ofIcoSpherePrimitive(15, 2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 1.44); int span = 20; for (int z = -360; z <= 360; z += span) { for (int x = -360; x <= 360; x += span) { for (int y = -360; y <= 360; y += span) { auto len = glm::length(glm::vec3(x, y, z)); if (len > 300) { continue; } ofPushMatrix(); ofTranslate(x, y, z); auto noise_value = ofNoise(x * 0.005, y * 0.005, z * 0.005, ofGetFrameNum() * 0.0075); if (noise_value > 0.47 && noise_value < 0.53) { ofSetColor(0); ofFill(); this->ico_sphere.draw(); ofSetColor(0, 0, 255, ofMap(len, 0, 300, 0, 255)); ofNoFill(); this->ico_sphere.drawWireframe(); } ofPopMatrix(); } } } this->cam.end(); /* int start = 250; 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()); } |