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カラー帯。
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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<ofColor> base_color_list; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(25); ofSetWindowTitle("openFrameworks"); ofBackground(239); ofSetLineWidth(2); ofEnableDepthTest(); ofColor color; for (int hue = 0; hue < 256; hue += 32) { color.setHsb(hue, 180, 255); this->base_color_list.push_back(color); } } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(295); ofRotateZ(ofGetFrameNum() * 0.36); int color_index = 0; for (int radius = 60; radius < 320; radius += 30) { ofMesh face, line; line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES); int start_deg = 0; int deg_len = 360; for (int deg = start_deg; deg < start_deg + deg_len; deg++) { face.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0)); face.addVertex(glm::vec3() + glm::vec3((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD), 0)); face.addVertex(glm::vec3() + glm::vec3((radius - 10) * cos((deg + 1) * DEG_TO_RAD), (radius - 10) * sin((deg + 1) * DEG_TO_RAD), 0)); face.addVertex(glm::vec3() + glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), 0)); face.addIndex(face.getNumVertices() - 1); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 4); face.addIndex(face.getNumVertices() - 2); face.addIndex(face.getNumVertices() - 3); face.addIndex(face.getNumVertices() - 4); face.addColor(ofColor(this->base_color_list[color_index], 128)); face.addColor(ofColor(this->base_color_list[color_index], 128)); face.addColor(ofColor(this->base_color_list[color_index], 128)); face.addColor(ofColor(this->base_color_list[color_index], 128)); line.addVertex(glm::vec3() + glm::vec3(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD), 0)); line.addVertex(glm::vec3() + glm::vec3((radius - 10) * cos(deg * DEG_TO_RAD), (radius - 10) * sin(deg * DEG_TO_RAD), 0)); line.addVertex(glm::vec3() + glm::vec3((radius - 10) * cos((deg + 1) * DEG_TO_RAD), (radius - 10) * sin((deg + 1) * DEG_TO_RAD), 0)); line.addVertex(glm::vec3() + glm::vec3(radius * cos((deg + 1) * DEG_TO_RAD), radius * sin((deg + 1) * DEG_TO_RAD), 0)); line.addIndex(line.getNumVertices() - 1); line.addIndex(line.getNumVertices() - 4); line.addIndex(line.getNumVertices() - 2); line.addIndex(line.getNumVertices() - 3); line.addColor(ofColor(this->base_color_list[color_index])); line.addColor(ofColor(this->base_color_list[color_index])); line.addColor(ofColor(this->base_color_list[color_index])); line.addColor(ofColor(this->base_color_list[color_index])); } for (auto& vertex : face.getVertices()) { auto z = ofMap(ofNoise(glm::vec4(vertex * 0.005, glm::length(vertex) * 0.05 + ofGetFrameNum() * 0.005)), 0, 1, -100, 100); vertex.z = z; } for (auto& vertex : line.getVertices()) { auto z = ofMap(ofNoise(glm::vec4(vertex * 0.005, glm::length(vertex) * 0.05 + ofGetFrameNum() * 0.005)), 0, 1, -100, 100); vertex.z = z; } face.draw(); line.draw(); color_index = (color_index + 1) % this->base_color_list.size(); } this->cam.end(); /* int start = 250; if (ofGetFrameNum() > start) { ostringstream os; os << setw(4) << setfill('0') << ofGetFrameNum() - start; ofImage image; image.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); image.saveImage("image/cap/img_" + os.str() + ".jpg"); if (ofGetFrameNum() - start >= 25 * 20) { std::exit(1); } } */ } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |