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消しゴム。
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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) {}; vector<glm::vec2> location_list; vector<int> life_list; vector<float> noise_param_list; vector<glm::vec2> noise_location_list; vector<ofPath> chara_path_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(255); ofSetColor(0); ofTrueTypeFont font; font.loadFont("fonts/Kazesawa-Bold.ttf", 100, true, true, true); for (char c = 'A'; c <= 'Z'; c++) { this->chara_path_list.push_back(font.getCharacterAsPoints(c, true, false)); } for (int x = -300; x <= 300; x += 15) { for (int y = -300; y <= 300; y += 15) { this->location_list.push_back(glm::vec2(x, y)); this->life_list.push_back(0); this->noise_param_list.push_back(ofRandom(1000)); } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->noise_location_list.clear(); for (int i = 0; i < this->location_list.size(); i++) { this->life_list[i] = this->life_list[i] > 0 ? this->life_list[i] - 0.5 : 0; if (this->life_list[i] > 20) { } else if (this->life_list[i] > 0) { this->noise_param_list[i] += ofMap(this->life_list[i], 0, 20, 0.005, 0.1); } } for (int i = 0; i < 1; i++) { int deg_start = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -360, 360); int radius = ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.01), 0, 1, 0, 400); for (int deg = deg_start; deg < deg_start + 360; deg += 120) { auto noise_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); this->noise_location_list.push_back(noise_location); for (int i = 0; i < this->location_list.size(); i++) { if (glm::distance(noise_location, this->location_list[i]) < 50) { this->life_list[i] = this->life_list[i] < 100 ? this->life_list[i] + 8 : 100; } } } } } //-------------------------------------------------------------- void ofApp::draw() { ofTranslate(ofGetWindowSize() * 0.5); // 配色デザイン ビビッドレッド P038 vector<ofColor> color_palette; color_palette.push_back(ofColor(197, 0, 24)); color_palette.push_back(ofColor(184, 12, 65)); color_palette.push_back(ofColor(206, 97, 110)); color_palette.push_back(ofColor(204, 85, 68)); color_palette.push_back(ofColor(190, 145, 176)); color_palette.push_back(ofColor(215, 130, 63)); color_palette.push_back(ofColor(255, 241, 51)); color_palette.push_back(ofColor(107, 182, 187)); for (int i = 0; i < this->location_list.size(); i++) { auto color = color_palette[ofRandom(color_palette.size())]; auto fill_flag = ofRandom(1) < 0.25; if (this->life_list[i] > 20) { } else if (this->life_list[i] > 0) { ofSetColor(color); ofPushMatrix(); ofTranslate(this->location_list[i]); int chara_index = ofMap(ofNoise(this->noise_param_list[i]), 0, 1, 0, this->chara_path_list.size()); auto outline = this->chara_path_list[chara_index].getOutline(); fill_flag < 0.5 ? ofNoFill() : ofFill(); auto font_size = ofMap(this->life_list[i], 0, 20, 13, 0); ofBeginShape(); for (int line_index = 0; line_index < outline.size(); line_index++) { if (line_index != 0) { ofNextContour(true); } auto vertices = outline[line_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5); ofVertex(point); } } ofEndShape(true); ofPopMatrix(); } else { ofSetColor(color); ofPushMatrix(); ofTranslate(this->location_list[i]); int chara_index = ofMap(ofNoise(this->noise_param_list[i]), 0, 1, 0, this->chara_path_list.size()); auto outline = this->chara_path_list[chara_index].getOutline(); fill_flag ? ofNoFill() : ofFill(); float font_size = 13; ofBeginShape(); for (int line_index = 0; line_index < outline.size(); line_index++) { if (line_index != 0) { ofNextContour(true); } auto vertices = outline[line_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto point = (vertices[vertices_index] / 100 * font_size) + glm::vec2(font_size * -0.5, font_size * 0.5); ofVertex(point); } } ofEndShape(true); ofPopMatrix();; } } ofSetColor(color_palette[0]); for (int i = 0; i < this->noise_location_list.size(); i++) { ofDrawCircle(this->noise_location_list[i], 15); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |