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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) {}; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetWindowTitle("openFrameworks"); ofSetFrameRate(30); ofBackground(0); ofNoFill(); ofSetLineWidth(2); ofEnableDepthTest(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); auto noise_seed = glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)); for (int x = -330; x <= 330; x += 30) { for (int y = -330; y <= 330; y += 30) { ofPushMatrix(); ofTranslate(x, y); auto distance = glm::length(glm::vec2(x, y)); auto x_value = ofNoise(noise_seed.x, x * 0.015, y * 0.015, ofGetFrameNum() * 0.015); auto y_value = ofNoise(noise_seed.y, x * 0.015, y * 0.015, ofGetFrameNum() * 0.015); auto z_value = ofNoise(noise_seed.z, x * 0.015, y * 0.015, ofGetFrameNum() * 0.015); auto x_deg = x_value < 0.35 ? ofMap(x_value, 0, 0.35, -360, 0) : x_value > 0.75 ? ofMap(x_value, 0.75, 1, 0, 360) : 0; auto y_deg = y_value < 0.35 ? ofMap(y_value, 0, 0.35, -360, 0) : y_value > 0.75 ? ofMap(y_value, 0.75, 1, 0, 360) : 0; auto z_deg = z_value < 0.35 ? ofMap(z_value, 0, 0.35, -360, 0) : z_value > 0.75 ? ofMap(z_value, 0.75, 1, 0, 360) : 0; ofRotateZ(z_deg); ofRotateY(y_deg); ofRotateX(x_deg); auto alpha = 64; ofFill(); ofSetColor(255, 0, 0, alpha); ofDrawCircle(glm::vec2(), 12); ofNoFill(); ofSetColor(255, 0, 0); ofDrawCircle(glm::vec2(), 12); ofPopMatrix(); } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |