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パーティクルはトーラス座標上を流れていきます。
また、お互いの距離で線の有無・サイズが決定されます。
Particle are moving on the torus coordinates.
In addition, the presence or absence of a line, the size is determined by distance of each other.
[ Source ]
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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) {}; // Make Member ofEasyCam cam; // Make Method ofPoint make_torus_point(float radius, float small_radius, float deg, float small_deg); }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("Insta"); ofBackground(39); ofSetColor(239); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); vector<ofPoint> points; vector<int> sizes; vector<ofColor> colors; for (int i = 0; i < 256 + 128; i++) { ofPoint point = this->make_torus_point(300, 65, ofRandom(360) + ofGetFrameNum() * ofRandom(1), ofRandom(360) + ofGetFrameNum() * ofRandom(5)); points.push_back(point); sizes.push_back(1); ofColor tmp_color; tmp_color.setHsb(ofRandom(255), 200, 255); colors.push_back(tmp_color); } for (int out_index = 0; out_index < points.size(); out_index++) { for (int in_index = out_index + 1; in_index < points.size(); in_index++) { if (points[out_index].distance(points[in_index]) < 50) { ofDrawLine(points[out_index], points[in_index]); sizes[out_index]++; sizes[in_index]++; } } } for (int i = 0; i < points.size(); i++) { ofDrawSphere(points[i], sizes[i]); } this->cam.end(); } //-------------------------------------------------------------- ofPoint ofApp::make_torus_point(float radius, float small_radius, float deg, float small_deg) { float x_1 = radius * cos(deg * DEG_TO_RAD); float y_1 = radius * sin(deg * DEG_TO_RAD); float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD); float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD); float x = x_1 + x_2; float y = y_1 + y_2; float z = small_radius * sin(small_deg * DEG_TO_RAD); return ofPoint(x, y, z); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(1280, 720, OF_WINDOW); ofRunApp(new ofApp()); } |