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球体をねじる。
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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; ofMesh base_mesh, draw_mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(0.5); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT); auto ico_sphere = ofIcoSpherePrimitive(250, 4); this->base_mesh = ico_sphere.getMesh(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int base_x = -250; base_x <= 250; base_x += 250) { for (int base_y = -250; base_y <= 250; base_y += 250) { this->draw_mesh.clear(); auto seed = ofRandom(1000); for (auto v : this->base_mesh.getVertices()) { ofColor color; color.setHsb(ofMap(v.x, -125, 125, 0, 80), 255, 255); for (int i = 0; i < 2; i++) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.x * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.y * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec3(seed, v.z * 0.002, ofGetFrameNum() * 0.002)), 0, 1, -300, 300) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1)); //auto radius = ofMap(ofNoise(glm::vec4(v * 0.01, ofGetFrameNum() * 0.008)), 0, 1, 10, 100); auto radius = 100; v = glm::normalize(v) * radius; v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x; } this->draw_mesh.addVertex(glm::vec3(v.x + base_x, v.y + base_y, 0)); this->draw_mesh.addColor(ofColor(color, 18)); } this->draw_mesh.addIndices(this->base_mesh.getIndices()); this->draw_mesh.drawWireframe(); } } /* int start = 100; 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); } } */ this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |