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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) {}; ofEasyCam cam; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); ofRotateX(ofGetFrameNum() * 0.25); int span = 100; float noise_step = 0.01; for (int x = -span * 2; x <= span * 2; x += span) { for (int y = -span * 2; y <= span * 2; y += span) { for (int z = -span * 2; z <= span * 2; z += span) { auto location = glm::vec3(x, y, z); int width = span * 0.85; int height = span * 0.85; int depth = span * 0.85; if (x == span * 2) { float noise_value = ofNoise(ofRandom(100), ofGetFrameNum() * noise_step); if (noise_value > 0.65) { int noise_len = ofMap(noise_value, 0.65, 1.0, 0, span * 2); width += noise_len; location.x += noise_len * 0.5; } }else if (x == -span * 2) { float noise_value = ofNoise(ofRandom(100), ofGetFrameNum() * noise_step); if (noise_value > 0.65) { int noise_len = ofMap(noise_value, 0.65, 1.0, 0, span * 2); width += noise_len; location.x -= noise_len * 0.5; } } if (y == span * 2) { float noise_value = ofNoise(ofRandom(100), ofGetFrameNum() * noise_step); if (noise_value > 0.65) { int noise_len = ofMap(noise_value, 0.65, 1.0, 0, span * 2); height += noise_len; location.y += noise_len * 0.5; } } else if (y == -span * 2) { float noise_value = ofNoise(ofRandom(100), ofGetFrameNum() * noise_step); if (noise_value > 0.65) { int noise_len = ofMap(noise_value, 0.65, 1.0, 0, span * 2); height += noise_len; location.y -= noise_len * 0.5; } } if (z == span * 2) { float noise_value = ofNoise(ofRandom(100), ofGetFrameNum() * noise_step); if (noise_value > 0.65) { int noise_len = ofMap(noise_value, 0.65, 1.0, 0, span * 2); depth += noise_len; location.z += noise_len * 0.5; } } else if (z == -span * 2) { float noise_value = ofNoise(ofRandom(100), ofGetFrameNum() * noise_step); if (noise_value > 0.65) { int noise_len = ofMap(noise_value, 0.65, 1.0, 0, span * 2); depth += noise_len; location.z -= noise_len * 0.5; } } ofFill(); ofSetColor(239); ofDrawBox(location, width, height, depth); ofNoFill(); ofSetColor(39); ofDrawBox(location, width + 1, height + 1, depth + 1); } } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |