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ofTrueTypeFontの座標を元にBoxを配置。ノイズ関数で描写の有無を決定
Arrange the box based on coordinates of ofTrueTypeFont.
Determine presence or absence of depicition with Perlin Noise.
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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; ofTrueTypeFont font; int span; vector<glm::vec2> locations; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableDepthTest(); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 450, true, true, true); this->span = 20; ofFbo fbo; fbo.allocate(ofGetWidth(), ofGetHeight()); fbo.begin(); ofClear(0); ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); string word = "Aa"; this->font.drawString(word, this->font.stringWidth(word) * -0.5, this->font.stringHeight(word) * 0.5); fbo.end(); ofPixels pixels; fbo.readToPixels(pixels); for (int x = 0; x < fbo.getWidth(); x += this->span) { for (int y = 0; y < fbo.getHeight(); y += this->span) { if (pixels.getColor(x, y) != ofColor(0, 0)) { this->locations.push_back(glm::vec2(x - ofGetWidth() * 0.5, ofGetHeight() - y - ofGetHeight() * 0.5)); } } } } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum()); for (auto& location : this->locations) { for (int z = this->span * -2; z <= this->span * 2; z += this->span) { float noise_value = ofNoise(location.x * 0.0045, location.y * 0.0045, z * 0.05, ofGetFrameNum() * 0.02); if (noise_value > 0.5) { ofFill(); ofSetColor(39); ofDrawBox(glm::vec3(location, z), this->span - 1); ofNoFill(); ofSetColor(239); ofDrawBox(glm::vec3(location, z), this->span); } } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |