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色を持つ座標を線で結ぶ。線がグラデーションに。
Connect the coordinate. Coordinate has color.
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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) {}; ofEasyCam cam; vector<ofMesh> mesh_list; float noise_seed; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh_list.clear(); auto range = 120; auto span = 240; for (int x = -ofGetWidth() * 0.5; x <= ofGetWidth() * 0.5; x += span) { for (int y = -ofGetHeight() * 0.5; y <= ofGetHeight() * 0.5; y += span) { for (int z = -ofGetHeight() * 0.5; z <= ofGetHeight() * 0.5; z += span) { ofMesh mesh; mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); for (int i = 0; i < 4; i++) { auto location = glm::vec3( x + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5), y + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5), z + ofMap(ofNoise(ofRandom(10000), this->noise_seed), 0, 1, -range * 0.5, range * 0.5)); mesh.addVertex(location); } for (int i = 0; i < mesh.getVertices().size(); i++) { mesh.addIndex(i); mesh.addIndex((i + 1) % mesh.getVertices().size()); } int hue = ofRandom(255); ofColor color; for (int i = 0; i < 4; i++) { color.setHsb((hue + i * 100) % 255, 200, 255); mesh.addColor(color); } this->mesh_list.push_back(mesh); } } } if (ofGetFrameNum() % 60 < 45) { this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 45, 0.03, 0); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); for (auto& mesh : this->mesh_list) { mesh.draw(); for (int i = 0; i < mesh.getVertices().size(); i++) { ofSetColor(mesh.getColor(i)); ofDrawSphere(mesh.getVertex(i), 6); } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |