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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) {}; bool foundLocation(glm::vec3 value); ofEasyCam cam; ofMesh face, frame; ofTrueTypeFont font; vector<glm::vec3> location_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(1.5); ofEnableDepthTest(); this->frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); this->font.loadFont("fonts/Kazesawa-Bold.ttf", 200, true, true, true); ofFbo fbo; fbo.allocate(ofGetWidth(), ofGetHeight()); fbo.begin(); ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5); ofClear(0); ofSetColor(0); string word = "LACK"; this->font.drawString(word, this->font.stringWidth(word) * -0.56, this->font.stringHeight(word) - 250); fbo.end(); int span = 5; ofPixels pixels; fbo.readToPixels(pixels); for (int x = 0; x < fbo.getWidth(); x += span) { for (int y = 0; y < fbo.getHeight(); y += span) { ofColor color = pixels.getColor(x, y); if (color != ofColor(0, 0)) { this->location_list.push_back(glm::vec3(x - fbo.getWidth() * 0.5, y - fbo.getHeight() * 0.5, 0)); } } } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); this->face.clear(); this->frame.clear(); int span = 5; float threshold = 0.4; float frame_param = ofGetFrameNum() * 0.015; float coordinate_param = 0.0065; for (int i = 0; i < this->location_list.size(); i++) { for (int z = -100; z <= 100; z += 50) { auto x = this->location_list[i].x; auto y = this->location_list[i].y; auto noise_location = glm::vec3(x, y, z); auto noise_value = ofNoise(glm::vec3(noise_location.x * coordinate_param, noise_location.y * coordinate_param, noise_location.z * coordinate_param + frame_param)); if (noise_value < threshold) { continue; } auto loc_1 = glm::vec3(x - span, y, z); auto noise_1 = this->foundLocation(loc_1) ? ofNoise(glm::vec3(loc_1.x * coordinate_param, loc_1.y * coordinate_param, loc_1.z * coordinate_param + frame_param)) : 0; auto loc_2 = glm::vec3(x, y + span, z); auto noise_2 = this->foundLocation(loc_2) ? ofNoise(glm::vec3(loc_2.x * coordinate_param, loc_2.y * coordinate_param, loc_2.z * coordinate_param + frame_param)) : 0; auto loc_3 = glm::vec3(x + span, y, z); auto noise_3 = this->foundLocation(loc_3) ? ofNoise(glm::vec3(loc_3.x * coordinate_param, loc_3.y * coordinate_param, loc_3.z * coordinate_param + frame_param)) : 0; auto loc_4 = glm::vec3(x, y - span, z); auto noise_4 = this->foundLocation(loc_4) ? ofNoise(glm::vec3(loc_4.x * coordinate_param, loc_4.y * coordinate_param, loc_4.z * coordinate_param + frame_param)) : 0; auto index = this->face.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3(x - span * 0.5, y - span * 0.5, z)); vertices.push_back(glm::vec3(x + span * 0.5, y - span * 0.5, z)); vertices.push_back(glm::vec3(x + span * 0.5, y + span * 0.5, z)); vertices.push_back(glm::vec3(x - span * 0.5, y + span * 0.5, z)); this->face.addVertices(vertices); this->face.addIndex(index + 0); this->face.addIndex(index + 1); this->face.addIndex(index + 2); this->face.addIndex(index + 0); this->face.addIndex(index + 2); this->face.addIndex(index + 3); if (noise_1 < threshold) { this->frame.addVertex(vertices[0]); this->frame.addVertex(vertices[3]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } if (noise_2 < threshold) { this->frame.addVertex(vertices[2]); this->frame.addVertex(vertices[3]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } if (noise_3 < threshold) { this->frame.addVertex(vertices[1]); this->frame.addVertex(vertices[2]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } if (noise_4 < threshold) { this->frame.addVertex(vertices[0]); this->frame.addVertex(vertices[1]); this->frame.addIndex(this->frame.getNumVertices() - 1); this->frame.addIndex(this->frame.getNumVertices() - 2); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(180); ofSetColor(239); this->frame.draw(); ofSetColor(39); this->face.draw(); this->cam.end(); } //-------------------------------------------------------------- bool ofApp::foundLocation(glm::vec3 value) { for (int i = 0; i < this->location_list.size(); i++) { if (this->location_list[i] == glm::vec3(value.x, value.y, 0)) { return true; } } return false; } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |