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思いつくままにコーディングしていたら、良く分からないものが出来上がりました。これは何でしょう？
ソースコードのハイライトは、色が異なる面が重なると描写が乱れるので、ofTranslate(point * -0.001)という超小手先の対応で何とかしている所。
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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; ofIcoSpherePrimitive icoSphere; }; |
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#include "ofApp.h" //-------------------------------------------------------------- void ofApp::setup() { ofSetFrameRate(30); ofBackground(239); ofSetWindowTitle("Insta"); ofEnableDepthTest(); this->icoSphere.setRadius(250); this->icoSphere.setResolution(2); } //-------------------------------------------------------------- void ofApp::update() { ofSeedRandom(39); } //-------------------------------------------------------------- void ofApp::draw() { this->cam.begin(); ofRotateX(ofGetFrameNum() * 0.1); ofRotateY(ofGetFrameNum() * 0.25); vector<ofMeshFace> triangles = icoSphere.getMesh().getUniqueFaces(); for (int i = 0; i < triangles.size(); i++) { ofPoint avg = (triangles[i].getVertex(0) + triangles[i].getVertex(1) + triangles[i].getVertex(2)) / 3; float noise_value = ofNoise(avg.y * 0.005 + ofGetFrameNum() * 0.05); for (float roop_noise = 1.f; roop_noise > noise_value; roop_noise -= 0.2f) { ofMesh mesh; for (int v_index = 0; v_index < 3; v_index++) { ofPoint point = triangles[i].getVertex(v_index) - avg; mesh.addVertex(point * roop_noise); } ofPushMatrix(); ofTranslate(avg); ofSetColor(239); mesh.drawWireframe(); if (roop_noise == 1.f) { ofTranslate(avg * -0.001); ofSetColor(39); mesh.drawFaces(); } else if (roop_noise - 0.2f < noise_value) { ofSetColor(239); mesh.drawFaces(); } ofPopMatrix(); } } this->cam.end(); } //======================================================================== int main() { ofSetupOpenGL(720, 720, OF_WINDOW); ofRunApp(new ofApp()); } |