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ofIcoSpherePrimitiveから取得出来る球体上の座標をNoiseで変化
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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; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(60); ofSetWindowTitle("Insta"); ofBackground(239); ofEnableDepthTest(); } //-------------------------------------------------------------- void ofApp::update() { } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); float radius = 400; ofIcoSpherePrimitive ico_sphere = ofIcoSpherePrimitive(radius, 3); vector<ofMeshFace> triangles = ico_sphere.getMesh().getUniqueFaces(); for (int i = 0; i < triangles.size(); i++) { ofPoint average = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3; average = average.normalized() * 240; vector<ofPoint> vertices; for (int j = 0; j < 3; j++) { ofPoint point(triangles[i].getVertex(j).x, triangles[i].getVertex(j).y, triangles[i].getVertex(j).z); float noise_value = ofNoise(point.x * 0.005, point.y * 0.005, point.z * 0.005, ofGetFrameNum() * 0.08) * 0.5 + 1; ofPoint noise_point = point * noise_value; vertices.push_back(noise_point); } ofFill(); ofSetColor(39); ofBeginShape(); ofVertices(vertices); ofEndShape(); ofNoFill(); ofSetColor(239); ofBeginShape(); ofVertices(vertices); ofEndShape(); } this->cam.end(); } //-------------------------------------------------------------- int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |