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ofSetBackgroundAuto(false)で塗りつぶしを止めて、書き続ける。
Stop filling with ofSetBackgroundAuto(false) and continue writing.
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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) {}; glm::vec2 make_point(int len, int param); ofTrueTypeFont font; int font_size; vector<string> words; vector<ofMesh> mesh_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(239); ofNoFill(); ofSetRectMode(ofRectMode::OF_RECTMODE_CENTER); ofSetBackgroundAuto(false); this->font_size = 55; ofTrueTypeFontSettings font_settings("fonts/msgothic.ttc", this->font_size); font_settings.antialiased = true; font_settings.addRanges(ofAlphabet::Japanese); this->font.load(font_settings); this->words = { u8"はる", u8"なつ", u8"あき", u8"ふゆ", u8"そら", u8"つち", u8"あめ", u8"くも", u8"かさ", u8"ひと", }; } //-------------------------------------------------------------- void ofApp::update() { ofColor color; vector<ofColor> color_list; vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c }; for (auto hex : hex_list) { color.setHex(hex); color_list.push_back(color); } if (ofGetFrameNum() % 2 == 0) { this->mesh_list.clear(); ofColor color_1, color_2; int len = 600; int x = ofGetWidth() * 0.5; int y = ofGetHeight() * 0.5; ofMesh mesh; color_1 = color_list[int(ofRandom(color_list.size()))]; color_2 = color_list[int(ofRandom(color_list.size()))]; int param = ofRandom(100); if (ofRandom(1) < 0.5) { mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param), 0)); mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param + 2), 0)); mesh.addColor(color_1); mesh.addColor(color_1); mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 100 - param - 2), 0)); mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 100 - param), 0)); mesh.addColor(color_2); mesh.addColor(color_2); } else { mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param), 0)); mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, param + 2), 0)); mesh.addColor(color_1); mesh.addColor(color_1); mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 75 - param + 75 - 2), 0)); mesh.addVertex(glm::vec3(x, y, 0) + glm::vec3(this->make_point(len, 75 - param + 75), 0)); mesh.addColor(color_2); mesh.addColor(color_2); } mesh.addIndex(0); mesh.addIndex(1); mesh.addIndex(3); mesh.addIndex(1); mesh.addIndex(2); mesh.addIndex(3); this->mesh_list.push_back(mesh); } } //-------------------------------------------------------------- void ofApp::draw() { if (ofGetFrameNum() % 12 == 0) { int x = ofRandom(120, 600); int y = ofRandom(150, 570); int word_index = (int)ofRandom(this->words.size()); ofFill(); ofSetColor(239); ofPushMatrix(); ofTranslate(x, y); ofRotateZ(ofRandom(360)); this->font.drawString(this->words[word_index], -60, -60); ofPopMatrix(); } ofNoFill(); for (auto& mesh : this->mesh_list) { mesh.draw(); ofSetColor(255); ofBeginShape(); for (auto& vertex : mesh.getVertices()) { ofVertex(vertex); } ofEndShape(true); } ofSetColor(39); ofDrawRectangle(360, 360, 600, 600); } //-------------------------------------------------------------- glm::vec2 ofApp::make_point(int len, int param) { param = param % 100; if (param < 25) { return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5); } else if (param < 50) { return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5)); } else if (param < 75) { return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5); } else { return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5)); } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |