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球体の移動と回転ログ。
Sphere movement and rotation log.
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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; vector<glm::vec3> location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(2); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(150, 1); for (auto triangle : ico_sphere.getMesh().getUniqueFaces()) { auto avg = glm::vec3(triangle.getVertex(0) + triangle.getVertex(1) + triangle.getVertex(2)) / 3; this->location_list.push_back(avg); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); auto base_noise_seed = glm::vec3(ofRandom(10000), ofRandom(10000), ofRandom(10000)); auto location_noise_seed = glm::vec3(ofRandom(10000), ofRandom(10000), ofRandom(10000)); auto log = 15; auto noise_step = 0.005; for (auto& location : this->location_list) { glm::vec3 prev_location; for (int i = 0; i < log; i++) { auto base_location = glm::vec3(ofMap(ofNoise(base_noise_seed.x, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150), ofMap(ofNoise(base_noise_seed.y, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150), ofMap(ofNoise(base_noise_seed.z, (ofGetFrameNum() + i) * noise_step), 0, 1, -150, 150)); auto rotation_x = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), ofMap(ofNoise(location_noise_seed.z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI, PI), glm::vec3(0, 0, 1)); glm::vec3 tmp_location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x; tmp_location += base_location; if (i != 0) { ofSetColor(ofMap(i, 0, log, 239, 39)); ofDrawLine(tmp_location, prev_location); } prev_location = tmp_location; } ofFill(); ofSetColor(39); ofDrawSphere(prev_location, 3); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |