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RGB砂箱。
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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); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT); auto ico_sphere = ofIcoSpherePrimitive(250, 6); this->base_mesh = ico_sphere.getMesh(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->draw_mesh.clear(); vector<ofColor> color_list = { ofColor(0, 255, 255), ofColor(255, 0, 255), ofColor(255, 255, 0)}; auto noise_seed = ofRandom(1000); for (int k = 0; k < color_list.size(); k++) { noise_seed += ofRandom(1000); for (auto v : this->base_mesh.getVertices()) { for (int i = 0; i < 10; i++) { auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(glm::vec4(v * 0.005, noise_seed + ofGetFrameNum() * 0.01)), 0, 1, -90, 90) * (float)DEG_TO_RAD, glm::vec3(0, 0, 1)); v = glm::vec4(v, 0) * rotation_z * rotation_y * rotation_x; } this->draw_mesh.addVertex(v); this->draw_mesh.addColor(color_list[k]); } } for (auto& vertex : this->draw_mesh.getVertices()) { vertex.x = vertex.x < -135 ? -135 : vertex.x > 135 ? 135 : vertex.x; vertex.y = vertex.y < -135 ? -135 : vertex.y > 135 ? 135 : vertex.y; vertex.z = vertex.z < -135 ? -135 : vertex.z > 135 ? 135 : vertex.z; } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.66666666666666); ofRotateX(ofGetFrameNum() * 1.22222222222222); this->draw_mesh.drawVertices(); this->cam.end(); /* int start = 1; 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()); } |