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帯の伸縮。
Belt is stretch and shrink.
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#pragma once #include "ofMain.h" class ofApp : public ofBaseApp { public: <pre class="lang:default decode:true " title="ofApp.cpp" >#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableDepthTest(); for (int i = 0; i < 80; i++) { this->noise_seed_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000))); this->noise_step_list.push_back(ofRandom(1000)); } ofColor color; vector<int> hex_list = { 0x247BA0, 0x70C1B3, 0xB2DBBF, 0xF3FFBD, 0xFF1654 }; for (auto hex : hex_list) { color.setHex(hex); this->color_list.push_back(color); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); for (int i = 0; i < this->noise_seed_list.size(); i++) { ofMesh face, frame; frame.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); glm::vec3 param; switch ((int)ofRandom(3)) { case 0: param = glm::vec3(5, 0, 0); break; case 1: param = glm::vec3(0, 5, 0); break; case 2: param = glm::vec3(0, 0, 5); break; } int n = int(ofRandom(120) + ofGetFrameNum()) % 120; int len = n < 60 ? ofMap(n, 0, 60, 1, 35) : ofMap(n, 60, 120, 35, 1); for (int k = 0; k < len; k++) { auto location = glm::vec3( ofMap(ofNoise(this->noise_seed_list[i].x, this->noise_step_list[i] + k * 0.005), 0, 1, -250, 250), ofMap(ofNoise(this->noise_seed_list[i].y, this->noise_step_list[i] + k * 0.005), 0, 1, -250, 250), ofMap(ofNoise(this->noise_seed_list[i].z, this->noise_step_list[i] + k * 0.005), 0, 1, -250, 250)); auto side_1 = location + param; auto side_2 = location - param; face.addVertex(side_1); face.addVertex(side_2); frame.addVertex(side_1); frame.addVertex(side_2); if (k > 0) { int index = face.getNumVertices() - 1; face.addIndex(index - 0); face.addIndex(index - 1); face.addIndex(index - 2); face.addIndex(index - 3); face.addIndex(index - 1); face.addIndex(index - 2); frame.addIndex(index - 0); frame.addIndex(index - 2); frame.addIndex(index - 1); frame.addIndex(index - 3); } } frame.addIndex(0); frame.addIndex(1); frame.addIndex(frame.getNumVertices() - 1); frame.addIndex(frame.getNumVertices() - 2); ofSetColor(this->color_list[(int)ofRandom(this->color_list.size())]); face.draw(); ofSetColor(39); frame.drawWireframe(); this->noise_step_list[i] += 0.005; } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |
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<glm::vec3> noise_seed_list;
vector<float> noise_step_list;
vector<ofColor> color_list;
};