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ランダムウォークの籠。
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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) {}; void draw_arc(vector<glm::vec3> vertices_1, vector<glm::vec3> vertices_2); vector<glm::vec3> location_list; vector<int> rotate_param_list; vector<int> deg_start_list; vector<int> deg_end_list; vector<bool> flag_list; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableDepthTest(); ofSetLineWidth(2.5); int size = 90; for (int x = ofGetWidth() * -0.5 + size * 0.5; x <= ofGetWidth() * 0.5 - size * 0.5; x += size) { for (int y = ofGetHeight() * -0.5 + size * 0.5; y <= ofGetHeight() * 0.5 - size * 0.5; y += size) { this->location_list.push_back(glm::vec3(x, y, 360)); int rotate_param = ofRandom(4); this->rotate_param_list.push_back(rotate_param); this->deg_start_list.push_back(0); this->deg_end_list.push_back(90); this->flag_list.push_back(false); } } } //-------------------------------------------------------------- void ofApp::update() { for (int i = 0; i < this->location_list.size(); i++) { if (ofGetFrameNum() % 9 == 0) { if (ofRandom(100) < 10) { this->flag_list[i] = true; } } if (this->flag_list[i]) { if (this->deg_end_list[i] < 90) { this->deg_end_list[i] += 10; } else { this->deg_start_list[i] += 10; if (this->deg_start_list[i] >= 90) { this->deg_end_list[i] = 0; this->deg_start_list[i] = 0; this->rotate_param_list[i] = (this->rotate_param_list[i] + 1) % this->rotate_param_list.size(); } } if (this->deg_start_list[i] == 0 && this->deg_end_list[i] == 90) { this->flag_list[i] = false; } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum()); //ofRotateX(ofGetFrameNum() * 1.2); int size = 90; int radius = size * 0.5; int width = 10; for (int i = 0; i < 6; i++) { if (i < 4) { ofRotateY(90); } else if (i < 5) { ofRotateX(90); } else if (i < 6) { ofRotateX(180); } for (int i = 0; i < this->location_list.size(); i++) { ofPushMatrix(); ofTranslate(this->location_list[i].x, this->location_list[i].y); ofRotate(90 * this->rotate_param_list[i]); vector<glm::vec3> vertices_1, vertices_2; for (int deg = this->deg_start_list[i]; deg <= this->deg_end_list[i]; deg += 2) { vertices_1.push_back(glm::vec3(size * -0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius + width) * sin(deg * DEG_TO_RAD), 360)); vertices_2.push_back(glm::vec3(size * -0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * -0.5 + (radius - width) * sin(deg * DEG_TO_RAD), 360)); } this->draw_arc(vertices_1, vertices_2); vertices_1.clear(); vertices_2.clear(); for (int deg = 180 + this->deg_start_list[i]; deg <= 180 + this->deg_end_list[i]; deg += 2) { vertices_1.push_back(glm::vec3(size * 0.5 + (radius + width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius + width) * sin(deg * DEG_TO_RAD), 360)); vertices_2.push_back(glm::vec3(size * 0.5 + (radius - width) * cos(deg * DEG_TO_RAD), size * 0.5 + (radius - width) * sin(deg * DEG_TO_RAD), 360)); } this->draw_arc(vertices_1, vertices_2); ofPopMatrix(); } } ofSeedRandom(39); ofColor color; ofFill(); for (int i = 0; i < 90; i++) { color.setHsb(ofRandom(255), 130, 255); ofSetColor(color); auto location = glm::vec3( ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450), ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450), ofMap(ofNoise(ofRandom(1000) + ofGetFrameNum() * 0.01), 0, 1, -450, 450)); ofDrawSphere(location, 30); } this->cam.end(); } //-------------------------------------------------------------- void ofApp::draw_arc(vector<glm::vec3> vertices_1, vector<glm::vec3> vertices_2) { ofFill(); ofSetColor(0); std::reverse(vertices_2.begin(), vertices_2.end()); ofBeginShape(); ofVertices(vertices_1); ofVertices(vertices_2); ofEndShape(true); ofNoFill(); ofSetColor(255); ofBeginShape(); ofVertices(vertices_1); ofEndShape(false); ofBeginShape(); ofVertices(vertices_2); ofEndShape(false); //ofDrawLine(vertices_1[0], vertices_2[vertices_2.size() - 1]); //ofDrawLine(vertices_1[vertices_1.size() - 1], vertices_2[0]); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |