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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(39); ofEnableDepthTest(); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD); this->font.loadFont("fonts/msgothic.ttc", 50, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { string word = "01"; this->cam.begin(); ofRotateY(90); ofNoFill(); auto len = 250; for (int i = 0; i < 5; i++) { if (i < 4) { ofRotateX(90); } else if (i < 5) { ofRotateY(90); } else { ofRotateY(180); } for (int k = 0; k < 150; k++) { auto location = glm::vec3(ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0025), 0, 1, -len * 0.5, len * 0.5), ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.0025), 0, 1, -len * 0.6, len * 0.6), len * 0.5); auto radius = (int)(ofRandom(1000) + ofGetFrameNum() * 1) % 180 - 100; auto angle = ofRandom(-PI * 2, PI * 2); auto rotation = glm::rotate(glm::mat4(), angle, glm::vec3(0, 0, 1)); if (radius > 0) { ofPath chara_path = this->font.getCharacterAsPoints(word[k % word.size()], true, false); vector<ofPolyline> outline = chara_path.getOutline(); ofSetColor(39, 255, 39, radius > 20 ? ofMap(radius, 20, 80, 255, 0) : 255); ofNoFill(); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { ofNextContour(true); outline[outline_index] = outline[outline_index].getResampledByCount(120); vector<glm::vec3> vertices = outline[outline_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { glm::vec3 vertex = location + glm::vec4(((vertices[vertices_index] - glm::vec2(25, -25)) / 50) * (radius > 60 ? 60 : radius), 0) * rotation; if (vertex.y > len * 0.5) { vertex.y = len * 0.5; } if (vertex.y < -len * 0.5) { vertex.y = -len * 0.5; } if (vertex.x > len * 0.5) { vertex.x = len * 0.5; } if (vertex.x < -len * 0.5) { vertex.x = -len * 0.5; } ofVertex(vertex); } } ofEndShape(true); } } } this->cam.end(); /* int start = 250; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |