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ofMeshを使ってグラデーションな球体。
Gradation sphere.
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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 mesh; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("openframeworks"); ofBackground(0); ofEnableDepthTest(); auto ico_sphere = ofIcoSpherePrimitive(250, 4); this->mesh = ico_sphere.getMesh(); for (auto& point : this->mesh.getVertices()) { mesh.addColor(ofColor(0, 0, 0)); } } //-------------------------------------------------------------- void ofApp::update() { ofColor color; for (int i = 0; i < this->mesh.getVertices().size(); i++) { auto point = this->mesh.getVertices()[i]; color.setHsb(ofMap(ofNoise(point.x * 0.005, point.y * 0.005, point.z * 0.005, ofGetFrameNum() * 0.008), 0, 1, 64 + 8, 192), 180, 230); // color.setHsb(ofMap(ofNoise(point.x * 0.008, point.y * 0.008, point.z * 0.008, ofGetFrameNum() * 0.01), 0, 1, 0, 40), 180, 230); mesh.setColor(i, color); } } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateY(ofGetFrameNum() * 0.35); this->mesh.draw(); this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |