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[ About ]
ノイズの壁。
Noise wall.
[ 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 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) {}; glm::vec2 make_point(int len, int param); ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (auto len = 150; len < ofGetWidth(); len += 100) { vector<glm::vec3> top, bottom; for (auto param = 0; param <= 100; param++) { auto noise_location = this->make_point(len, param); auto noise_value = ofNoise(noise_location.x * 0.005, noise_location.y * 0.005, ofGetFrameNum() * 0.005); auto height = 0; if (noise_value > 0.35) { height = ofMap(noise_value, 0.35, 1, 0, 300); } ofSetColor(239); ofFill(); ofBeginShape(); ofVertex(glm::vec3(this->make_point(len, param), 0)); ofVertex(glm::vec3(this->make_point(len, param + 1), 0)); ofVertex(glm::vec3(this->make_point(len, param + 1), height)); ofVertex(glm::vec3(this->make_point(len, param), height)); ofEndShape(true); ofSetColor(39); ofNoFill(); ofBeginShape(); ofVertex(glm::vec3(this->make_point(len + 1, param), 0)); ofVertex(glm::vec3(this->make_point(len + 1, param + 1), 0)); ofVertex(glm::vec3(this->make_point(len + 1, param + 1), height)); ofVertex(glm::vec3(this->make_point(len + 1, param), height)); ofEndShape(true); ofBeginShape(); ofVertex(glm::vec3(this->make_point(len - 1, param), 0)); ofVertex(glm::vec3(this->make_point(len - 1, param + 1), 0)); ofVertex(glm::vec3(this->make_point(len - 1, param + 1), height)); ofVertex(glm::vec3(this->make_point(len - 1, param), height)); ofEndShape(true); } } this->cam.end(); } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |