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BoxをNoise関数で表示・非表示をコントロールしています。加えて、Boxのサイズも変動するようにしてあるります。
カドケシという消しゴムがありますが、それみたいに見えますね。
[ 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 windowResized(int w, int h) {}; void dragEvent(ofDragInfo dragInfo) {}; void gotMessage(ofMessage msg) {}; ofEasyCam cam; ofLight light; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofBackground(0); ofSetWindowTitle("Insta"); ofEnableDepthTest(); ofEnableLighting(); this->light.enable(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); this->light.setPosition(this->cam.getPosition() * 2.f); float assembly_size = ofGetWidth() > ofGetHeight() ? ofGetWidth() : ofGetHeight(); int box_size = 300 * ofNoise(ofGetFrameNum() * 0.005); ofSetColor(255, 0, 0); for (int x = -assembly_size / 2; x <= assembly_size / 2; x += box_size) { for (int y = -assembly_size / 2; y <= assembly_size / 2; y += box_size) { for (int z = -assembly_size / 2; z <= assembly_size / 2; z += box_size) { float noise_value = ofNoise(x * 0.005, y * 0.005, z * 0.005, ofGetFrameNum() * 0.0005); if (noise_value < 0.5) { ofSetColor(255, 0, 0); ofFill(); ofDrawBox(ofPoint(x, y, z), box_size, box_size, box_size); } else { } } } } this->cam.end(); } //======================================================================== int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |