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文字ウェーブ。
Font wave.
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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; int font_size; vector<ofPath> chara_path; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetColor(39); ofSetLineWidth(3); ofNoFill(); ofEnableDepthTest(); this->font_size = 300; ofTrueTypeFont font; font.loadFont("fonts/Kazesawa-Bold.ttf", this->font_size, true, true, true); for (char c = 'A'; c <= 'Z'; c++) { this->chara_path.push_back(font.getCharacterAsPoints(c, true, false)); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateZ(180); ofRotateY(180); int span = 380; for (int x = -span; x <= span; x += span) { for (int y = -span; y <= span; y += span) { ofPushMatrix(); ofTranslate(x, y); int char_index = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0005), 0, 1, 0, this->chara_path.size()); auto outline = this->chara_path[char_index].getOutline(); for (int line_index = 0; line_index < outline.size(); line_index++) { outline[line_index] = outline[line_index].getResampledByCount(80); auto vertices = outline[line_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto point = vertices[vertices_index] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5); auto next_point = vertices[vertices_index + 1] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5); if (vertices_index == vertices.size() - 1) { point = vertices[vertices_index] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5); next_point = vertices[0] + glm::vec2(this->font_size * -0.5, this->font_size * 0.5); } auto z = ofMap(ofNoise((x + point.x) * 0.005, (y + point.y) * 0.005, ofGetFrameNum() * 0.005), 0, 1, 0, -200); ofFill(); ofSetColor(239); ofBeginShape(); ofVertex(point); ofVertex(next_point); ofVertex(next_point + glm::vec3(0, 0, z)); ofVertex(point + glm::vec3(0, 0, z)); ofEndShape(true); ofNoFill(); ofSetColor(39); ofBeginShape(); ofVertex(point); ofVertex(next_point); ofVertex(next_point + glm::vec3(0, 0, z)); ofVertex(point + glm::vec3(0, 0, z)); ofEndShape(true); } } ofPopMatrix(); } } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |