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暴れるB
Rampaging B.
[ Source ]
ofApp.h
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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; ofFbo fbo; vector<ofPoint> locations; vector<vector<int>> next_indexes; }; |
ofApp.cpp
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); ofTrueTypeFont font; int font_size = 350; font.loadFont("fonts/Kazesawa-Bold.ttf", font_size, true, true, true); this->fbo.allocate(ofGetWidth(), ofGetHeight()); this->fbo.begin(); ofClear(0); ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); string word = "B"; font.drawString(word, font.stringWidth(word) * -0.5, font.stringHeight(word) * 0.5); this->fbo.end(); ofPixels pixels; this->fbo.readToPixels(pixels); int span = 10; ofColor pix_color; for (int x = 0; x < this->fbo.getWidth(); x += span) { for (int y = 0; y < this->fbo.getHeight(); y += span) { pix_color = pixels.getColor(x, y); if (pix_color != ofColor(0, 0)) { this->locations.push_back(ofPoint(x - ofGetWidth() * 0.5, y - ofGetHeight() * 0.5)); } } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(180); ofColor color; for (ofPoint& point : this->locations) { color.setHsb(ofRandom(255), 239, 239); float depth = 100 * ofNoise(point.x * 0.02, point.y * 0.02, ofGetFrameNum() * 0.03); ofSetColor(color); ofDrawBox(point - ofPoint(0, 0, depth * 0.5), 10, 10, depth); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |