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球体 x ノイズ。
Sphere x Noise.
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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; ofMesh face_mesh, frame_mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(239); ofSetColor(39); ofEnableDepthTest(); this->frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); } //-------------------------------------------------------------- void ofApp::update() { this->face_mesh.clear(); this->frame_mesh.clear(); int deg_span = 4; for(int radius = 150; radius <= 300; radius += 50){ for (int deg = 0; deg < 360; deg += deg_span) { auto noise_location = glm::vec2(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)); auto param_start = 90; auto param_end = ofMap(ofNoise(noise_location.x * 0.008, noise_location.y * 0.008, ofGetFrameNum() * 0.005), 0, 1, 0, 180); int index_start = this->frame_mesh.getNumVertices(); if (param_end > 90) { for (int param = param_start; param < param_end; param++) { int index = this->face_mesh.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3( radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * cos(param * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD) * sin((param + 1) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD) * sin((param + 1) * DEG_TO_RAD), radius * cos((param + 1) * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * cos(param * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD) * sin((param + 1) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD) * sin((param + 1) * DEG_TO_RAD), radius * cos((param + 1) * DEG_TO_RAD))); this->face_mesh.addVertices(vertices); this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 3); this->frame_mesh.addVertices(vertices); this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2); this->frame_mesh.addIndex(index + 3); } } else { for (int param = param_start; param > param_end; param--) { int index = this->face_mesh.getNumVertices(); vector<glm::vec3> vertices; vertices.push_back(glm::vec3( radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * cos(param * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * cos((deg - deg_span * 0.5) * DEG_TO_RAD) * sin((param - 1) * DEG_TO_RAD), radius * sin((deg - deg_span * 0.5) * DEG_TO_RAD) * sin((param - 1) * DEG_TO_RAD), radius * cos((param - 1) * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD) * sin(param * DEG_TO_RAD), radius * cos(param * DEG_TO_RAD))); vertices.push_back(glm::vec3( radius * cos((deg + deg_span * 0.5) * DEG_TO_RAD) * sin((param - 1) * DEG_TO_RAD), radius * sin((deg + deg_span * 0.5) * DEG_TO_RAD) * sin((param - 1) * DEG_TO_RAD), radius * cos((param - 1) * DEG_TO_RAD))); this->face_mesh.addVertices(vertices); this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 1); this->face_mesh.addIndex(index + 3); this->face_mesh.addIndex(index + 0); this->face_mesh.addIndex(index + 2); this->face_mesh.addIndex(index + 3); this->frame_mesh.addVertices(vertices); this->frame_mesh.addIndex(index + 0); this->frame_mesh.addIndex(index + 1); this->frame_mesh.addIndex(index + 2); this->frame_mesh.addIndex(index + 3); } } if (index_start != this->frame_mesh.getNumVertices()) { this->frame_mesh.addIndex(index_start + 0); this->frame_mesh.addIndex(index_start + 2); this->frame_mesh.addIndex(this->frame_mesh.getNumVertices() - 1); this->frame_mesh.addIndex(this->frame_mesh.getNumVertices() - 3); } } } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(300); ofSetColor(39); this->face_mesh.drawFaces(); ofSetColor(239); this->frame_mesh.drawWireframe(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |