[ Video ]
[ About ]
動く球の上の線たち。
Lines on moving sphere.
[ Source ]
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 |
#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; }; |
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 |
#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); auto base_noise_seed_x = ofRandom(1000); auto base_noise_seed_y = ofRandom(1000); glm::vec3 base; auto radius = 150; auto noise_step = 0.003; auto len = 15; ofColor color; for (auto deg = 0; deg < 360; deg += 5) { auto noise_seed_x = ofRandom(1000); auto noise_seed_y = ofRandom(1000); auto noise_seed_z = ofRandom(1000); color.setHsb(ofMap(deg, 0, 360, 0, 255), 255, 255); glm::vec3 pre_location; for (int i = 0; i < len; i++) { auto angle_x = ofMap(ofNoise(noise_seed_x, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2); auto angle_y = ofMap(ofNoise(noise_seed_y, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2); auto angle_z = ofMap(ofNoise(noise_seed_z, (ofGetFrameNum() + i) * noise_step), 0, 1, -PI * 2, PI * 2); auto location = glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0); auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1)); location = glm::vec4(location, 0) * rotation_z * rotation_y * rotation_x; base = glm::vec3(ofMap(ofNoise(base_noise_seed_x, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250), ofMap(ofNoise(base_noise_seed_y, (ofGetFrameNum() + i) * 0.005), 0, 1, -250, 250), 0); location += base; if (i > 0) { ofSetColor(color); ofDrawLine(location, pre_location); } pre_location = location; } } ofSetColor(0); ofDrawCircle(base, 130); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |