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クリエイティブ・コーディング・クラッカー🎉
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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) {}; ofEasyCam cam; vector<ofMesh> mesh_list; vector<ofMesh> frame_list; vector<glm::vec3> direction_list; vector<glm::vec3> noise_seed_list; vector<ofColor> color_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetLineWidth(3); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { if (ofGetFrameNum() % 10 == 0) { ofMesh mesh, frame; frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); int r = ofRandom(3); switch (r) { case 0: mesh.addVertex(glm::vec3(5, 0, 0)); mesh.addVertex(glm::vec3(-5, 0, 0)); frame.addVertex(glm::vec3(5, 0, 0)); frame.addVertex(glm::vec3(-5, 0, 0)); break; case 1: mesh.addVertex(glm::vec3(0, 5, 0)); mesh.addVertex(glm::vec3(0, -5, 0)); frame.addVertex(glm::vec3(0, 5, 0)); frame.addVertex(glm::vec3(0, -5, 0)); break; case 2: mesh.addVertex(glm::vec3(0, 0, 5)); mesh.addVertex(glm::vec3(0, 0, -5)); frame.addVertex(glm::vec3(0, 0, 5)); frame.addVertex(glm::vec3(0, 0, -5)); break; } this->mesh_list.push_back(mesh); this->frame_list.push_back(frame); auto direction = glm::vec3(ofRandom(-1, 1), ofRandom(-1, 1), ofRandom(-1, 1)); direction = glm::normalize(direction) * 5; this->direction_list.push_back(direction); auto noise_seed = glm::vec3(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000))); this->noise_seed_list.push_back(noise_seed); ofColor color; color.setHsb(ofRandom(255), 180, 230); this->color_list.push_back(color); } for (int i = this->mesh_list.size() - 1; i > -1; i--) { auto angle_x = ofMap(ofNoise(this->noise_seed_list[i].x, ofGetFrameNum() * 0.01), 0, 1, -PI, PI); auto angle_y = ofMap(ofNoise(this->noise_seed_list[i].y, ofGetFrameNum() * 0.01), 0, 1, -PI, PI); auto angle_z = ofMap(ofNoise(this->noise_seed_list[i].z, ofGetFrameNum() * 0.01), 0, 1, -PI, PI); auto rotation_x = glm::rotate(glm::mat4(), angle_x, glm::vec3(1, 0, 0)); auto rotation_y = glm::rotate(glm::mat4(), angle_y, glm::vec3(0, 1, 0)); auto rotation_z = glm::rotate(glm::mat4(), angle_z, glm::vec3(0, 0, 1)); glm::vec3 rotate_direction = glm::vec4(this->direction_list[i], 0) * rotation_z * rotation_y * rotation_x; auto right = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 2); auto left = this->mesh_list[i].getVertex(this->mesh_list[i].getNumVertices() - 1); this->mesh_list[i].addVertex(right + rotate_direction); this->mesh_list[i].addVertex(left + rotate_direction); this->frame_list[i].addVertex(right + rotate_direction); this->frame_list[i].addVertex(left + rotate_direction); int index = this->mesh_list[i].getNumVertices() - 1; this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 2); this->mesh_list[i].addIndex(index - 3); this->mesh_list[i].addIndex(index); this->mesh_list[i].addIndex(index - 1); this->mesh_list[i].addIndex(index - 3); this->frame_list[i].addIndex(index); this->frame_list[i].addIndex(index - 2); this->frame_list[i].addIndex(index - 1); this->frame_list[i].addIndex(index - 3); auto num = this->mesh_list[i].getNumVertices(); this->color_list[i] = num < 300 ? this->color_list[i] : ofColor(this->color_list[i], ofMap(num, 300, 450, 255, 0)); if (num > 450) { this->mesh_list.erase(this->mesh_list.begin() + i); this->frame_list.erase(this->frame_list.begin() + i); this->direction_list.erase(this->direction_list.begin() + i); this->noise_seed_list.erase(this->noise_seed_list.begin() + i); this->color_list.erase(this->color_list.begin() + i); } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.5); for (int i = 0; i < this->mesh_list.size(); i++) { ofSetColor(this->color_list[i]); this->mesh_list[i].draw(); ofSetColor(239); this->frame_list[i].drawWireframe(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |