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ROTATE.
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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) {}; ofTrueTypeFont font; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_MULTIPLY); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 35, true, true, true); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { vector<ofColor> color_list{ ofColor(255, 0, 0), ofColor(0, 255, 0), ofColor(0, 0, 255) }; vector<glm::vec2> location_list; for (int x = 120; x < 720; x += 240) { for (int y = 120; y < 720; y += 240) { location_list.push_back(glm::vec2(x, y)); } } string word = "ROTATE"; auto path_list = font.getStringAsPoints(word, true, false); for (auto& path : path_list) { auto& outline = path.getOutline(); for (int i = 0; i < color_list.size(); i++) { ofSetColor(color_list[i]); for (int k = 0; k < location_list.size(); k++) { auto angle_z = ofMap(ofNoise(location_list[k].x, location_list[k].y, i * 0.02 + ofGetFrameNum() * 0.01), 0, 1, -PI * 2, PI * 2); ofPushMatrix(); ofTranslate(location_list[k]); ofBeginShape(); for (int outline_index = 0; outline_index < outline.size(); outline_index++) { if (outline_index != 0) { ofNextContour(true); } auto vertices = outline[outline_index].getVertices(); for (int vertices_index = 0; vertices_index < vertices.size(); vertices_index++) { auto location = glm::vec3(vertices[vertices_index].x - this->font.stringWidth(word) * 0.5, vertices[vertices_index].y + this->font.stringHeight(word) * 0.5, 0); auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1)); location = glm::vec4(location, 0) * rotation_z; ofVertex(location); } } ofEndShape(true); ofPopMatrix(); } } } } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |