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矢印の束。
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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 mouseEntered(int x, int y) {}; void mouseExited(int x, int y) {}; void windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; void draw_arrow(glm::vec2 location, glm::vec2 next_location, float size); ofEasyCam cam; vector<glm::vec3> base_location_list; vector<std::tuple<ofColor, glm::vec3, float>> sphere_list; // BodyColor, Location, size int number_of_sphere; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofSetLineWidth(2); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(1, 5); this->base_location_list = ico_sphere.getMesh().getVertices(); int span = 30; for (int x = -150; x <= 150; x += span) { for (int y = -150; y <= 150; y += span) { for (int z = -150; z <= 150; z += span) { this->sphere_list.push_back(std::make_tuple(ofColor(39), glm::vec3(x, y, z), span)); } } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 1.44); for (int i = 0; i < this->sphere_list.size(); i++) { auto location = get<1>(this->sphere_list[i]); auto size = get<2>(this->sphere_list[i]); ofPushMatrix(); ofTranslate(location); int deg_x = ofMap(ofNoise(glm::vec4(location * 0.002, ofGetFrameNum() * 0.0075)), 0, 1, -360, 360); int deg_y = ofMap(ofNoise(glm::vec4(location * 0.002, ofGetFrameNum() * 0.0075)), 0, 1, -360, 360); int deg_z = ofMap(ofNoise(glm::vec4(location * 0.002, ofGetFrameNum() * 0.0075)), 0, 1, -360, 360); deg_x = (deg_x / 45) * 45; deg_y = (deg_y / 45) * 45; deg_z = (deg_z / 45) * 45; ofRotateZ(deg_z); ofRotateY(deg_y); ofRotateX(deg_z); this->draw_arrow(glm::vec2(), glm::vec2(1, 1), size); ofPopMatrix(); } this->cam.end(); /* // ffmpeg -i img_%04d.jpg aaa.mp4 int start = 500; if (ofGetFrameNum() > start) { std::ostringstream os; os << std::setw(4) << std::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); } } */ } //-------------------------------------------------------------- void ofApp::draw_arrow(glm::vec2 location, glm::vec2 next_location, float size) { auto angle = std::atan2(next_location.y - location.y, next_location.x - location.x); ofSetColor(0); ofFill(); ofBeginShape(); ofVertex(glm::vec2(size * 0.8 * cos(angle), size * 0.8 * sin(angle)) + location); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) + location); ofEndShape(true); ofBeginShape(); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location); ofEndShape(true); ofSetColor(255); ofNoFill(); ofBeginShape(); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) + location); ofVertex(glm::vec2(size * 0.8 * cos(angle), size * 0.8 * sin(angle)) + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location); ofEndShape(); ofBeginShape(); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle + PI * 0.5), size * 0.5 * sin(angle + PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 - glm::vec2(size * cos(angle), size * sin(angle)) * 0.5 + location); ofVertex(glm::vec2(size * 0.5 * cos(angle - PI * 0.5), size * 0.5 * sin(angle - PI * 0.5)) * 0.25 + location); ofEndShape(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
[ Link ]
https://github.com/junkiyoshi/DoodleDeProgramming/tree/7ac3b5f53b921f6bbdd05253fed1b7d41842448d