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フレーム数を使ってノイズ引数の増加量の強弱を調整してるんですが、止まる直前に変化量を強くしたらメリハリが出た!(気がする)
Stop and motion.
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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) {}; void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size); void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth); ofEasyCam cam; ofMesh face_mesh, frame_mesh; float noise_seed; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofEnableDepthTest(); this->noise_seed = ofRandom(1000); this->frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->face_mesh.clear(); this->frame_mesh.clear(); auto span = 10; for (auto x = -120; x <= 120; x += span) { for (auto y = -120; y <= 120; y += span) { for (auto z = -120; z <= 120; z += span) { if (ofNoise(x * 0.008, y * 0.008, z * 0.008, this->noise_seed) > 0.53) { this->setBoxToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, z), span); } } } } if (ofGetFrameNum() % 120 < 75) { // 受け入れるフレーム数よりも少ない数値のmodで処理すると止まる直前に動きが出る this->noise_seed += ofMap(ofGetFrameNum() % 60, 0, 75, 0.03, 0); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum()); this->face_mesh.drawFaces(); this->frame_mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) { this->setBoxToMesh(face_target, frame_target, location, size, size, size); } //-------------------------------------------------------------- void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) { int index = face_target.getVertices().size(); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99)); face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99)); for (auto i = 0; i < 8; i++) { face_target.addColor(ofColor(39)); } face_target.addIndex(index + 0); face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 0); face_target.addIndex(index + 2); face_target.addIndex(index + 3); face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6); face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7); face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1); face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1); face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6); face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1); face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7); face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2); face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4); face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3); frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5)); frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5)); frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5)); frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5)); frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5)); for (auto i = 0; i < 8; i++) { frame_target.addColor(ofColor(239)); } frame_target.addIndex(index + 0); frame_target.addIndex(index + 1); frame_target.addIndex(index + 1); frame_target.addIndex(index + 2); frame_target.addIndex(index + 2); frame_target.addIndex(index + 3); frame_target.addIndex(index + 3); frame_target.addIndex(index + 0); frame_target.addIndex(index + 4); frame_target.addIndex(index + 5); frame_target.addIndex(index + 5); frame_target.addIndex(index + 6); frame_target.addIndex(index + 6); frame_target.addIndex(index + 7); frame_target.addIndex(index + 7); frame_target.addIndex(index + 4); frame_target.addIndex(index + 0); frame_target.addIndex(index + 4); frame_target.addIndex(index + 1); frame_target.addIndex(index + 5); frame_target.addIndex(index + 2); frame_target.addIndex(index + 6); frame_target.addIndex(index + 3); frame_target.addIndex(index + 7); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |