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2文字の座標を進捗パラメータで往来する。
The coordinates of the two characters come and go with progress parameters.
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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) {}; void draw_blend_charactor(glm::vec3 location, char c1, char c2, float progress); int font_size; ofTrueTypeFont font; vector<char> charactors; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); this->font_size = 50; this->font.loadFont("fonts/msgothic.ttc", this->font_size, true, true, true); this->charactors = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z' }; } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); for (int x = -300; x <= 300; x += 60) { for (int y = -300; y <= 300; y += 60) { float noise_value = ofMap(ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.00015), 0, 1, 0, this->charactors.size()); int index = noise_value; int next_index = (index + 1) % this->charactors.size(); float progress = (noise_value - index) * 100; if (progress < 30) { progress = 0; } else if (progress < 70) { progress = ofMap(progress, 30, 70, 0, 100); } else { progress = 100; } this->draw_blend_charactor(glm::vec3(x, y, 0), this->charactors[index], this->charactors[next_index], progress); } } } //-------------------------------------------------------------- void ofApp::draw_blend_charactor(glm::vec3 location, char c1, char c2, float progress) { int total_sample_count = 80; ofPushMatrix(); ofTranslate(location); ofPath path = this->font.getCharacterAsPoints(c1, true, false); vector<ofPolyline> outline = path.getOutline(); int sample_count = total_sample_count / outline.size(); vector<glm::vec3> vertices_1; for (int outline_index = 0; outline_index < (int)outline.size(); outline_index++) { outline[outline_index] = outline[outline_index].getResampledByCount(sample_count); vector<glm::vec3> vertices = outline[outline_index].getVertices(); for (size_t vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { vertices_1.push_back(vertices[vertices_index] + glm::vec3(this->font_size * -0.5, this->font_size * 0.5, 0)); } } ofPath next_path = this->font.getCharacterAsPoints(c2, true, false); vector<ofPolyline> next_outline = next_path.getOutline(); int next_sample_count = total_sample_count / next_outline.size(); vector<glm::vec3> vertices_2; for (int outline_index = 0; outline_index < (int)next_outline.size(); outline_index++) { next_outline[outline_index] = next_outline[outline_index].getResampledByCount(next_sample_count); vector<glm::vec3> vertices = next_outline[outline_index].getVertices(); for (size_t vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { vertices_2.push_back(vertices[vertices_index] + glm::vec3(this->font_size * -0.5, this->font_size * 0.5, 0)); } } vector<glm::vec3> draw_vertices; for (int i = 0; i < total_sample_count; i++) { if (i < vertices_1.size() && i < vertices_2.size()) { glm::vec3 p = (vertices_2[i] - vertices_1[i]) * progress * 0.01 + vertices_1[i]; draw_vertices.push_back(p); } } ofFill(); for (int i = 0; i < draw_vertices.size(); i++) { ofDrawCircle(draw_vertices[i], 2); } ofPopMatrix(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |