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#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) {}; ofMesh mesh; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openFrameworks"); ofBackground(0); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->mesh.clear(); int span = 2; for (int z = 0; z >= -60; z -= 20) { for (int x = -360; x <= 360; x += span) { for (int y = -360; y <= 360; y += span) { auto noise_value = ofNoise(x * 0.005, y * 0.005 + ofGetFrameNum() * 0.02, z * 0.0015 + ofGetFrameNum() * 0.02); if (noise_value < 0.47 || noise_value > 0.53) { continue; } this->mesh.addVertex(glm::vec3(x, y, z)); this->mesh.addVertex(glm::vec3(x + span, y, z)); this->mesh.addVertex(glm::vec3(x + span, y + span, z)); this->mesh.addVertex(glm::vec3(x, y + span, z)); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 4); this->mesh.addIndex(this->mesh.getNumVertices() - 3); this->mesh.addIndex(this->mesh.getNumVertices() - 1); this->mesh.addIndex(this->mesh.getNumVertices() - 2); this->mesh.addIndex(this->mesh.getNumVertices() - 3); for (int i = 0; i < 4; i++) { this->mesh.addColor(ofColor(ofMap(z, -60, 0, 255, 32))); } } } } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); ofRotateX(180); this->mesh.draw(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |