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２本のリボン。
Two ribbon.
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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 face, frame; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); float x_span = 1; auto noise_seed = glm::vec2(ofRandom(1000), ofRandom(1000)); for (int x_param = -1; x_param <= 1; x_param += 2) { int start_index = this->face.getNumVertices(); for (float x = 100; x < 300; x += x_span) { float next_x = x + x_span; int index = this->face.getNumVertices(); float angle_x = ofMap(ofNoise(noise_seed.x, x * 0.005 + ofGetFrameNum() * 0.0085), 0, 1, PI * -2, PI * 2); auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0)); float angle_y = ofMap(ofNoise(noise_seed.y, x * 0.005 + ofGetFrameNum() * 0.0085), 0, 1, PI * -2, PI * 2); auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0)); float next_angle_x = ofMap(ofNoise(noise_seed.x, next_x * 0.005 + ofGetFrameNum() * 0.0085), 0, 1, PI * -2, PI * 2); auto next_rotation_x = glm::rotate(glm::mat4(), next_angle_x, glm::vec3(1, 0, 0)); float next_angle_y = ofMap(ofNoise(noise_seed.y, next_x * 0.005 + ofGetFrameNum() * 0.0085), 0, 1, PI * -2, PI * 2); auto next_rotation_y = glm::rotate(glm::mat4(), next_angle_y, glm::vec3(0, 1, 0)); vector<glm::vec3> vertices; vertices.push_back(glm::vec4(x * x_param, 20, 0, 0) * rotation_y * rotation_x); vertices.push_back(glm::vec4(next_x * x_param, 20, 0, 0)* next_rotation_y* next_rotation_x); vertices.push_back(glm::vec4(next_x * x_param, -20, 0, 0) * next_rotation_y * next_rotation_x); vertices.push_back(glm::vec4(x * x_param, -20, 0, 0) * rotation_y * rotation_x); this->face.addVertices(vertices); this->frame.addVertices(vertices); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2); this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3); this->frame.addIndex(index + 0); this->frame.addIndex(index + 1); this->frame.addIndex(index + 2); this->frame.addIndex(index + 3); } this->frame.addIndex(start_index + 0); this->frame.addIndex(start_index + 3); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.43); ofRotateY(ofGetFrameNum() * 0.65); ofSetColor(39); this->face.draw(); ofDrawSphere(40); ofSetColor(239); this->frame.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |