triangle stripe

triangle stripe

void ofApp::triangleMesh(ofMesh && mesh, float radius) {
    
    ofPoint capturedPoint, capturedPoint2;
    
    for (int i = 0; i < 25; i+=2) {
        mesh.addIndex(i);
        mesh.addIndex(i + 1);
    }
    
    for (int i = 0; i < 25; i++) {
        float rradius = radius * (ofNoise(200) * 0.008 + 1.0);
        float rradius2 = radius * (ofNoise(0.2) + 1.0);
        float rad = 15 * i * PI / 180;
        float rad2 = 15 * (i + 0.5) * PI / 180;
        ofPoint newPtr = ofPoint(sin(rad) * rradius2, -cos(rad) * rradius2);
        ofPoint newPtr2 = ofPoint(sin(rad2) * (rradius + 7.5), -cos(rad2) * (rradius + 7.5));
        
        ofPoint textPtr = ofPoint(newPtr.x * 0.5 + 400, newPtr.y * 0.5 + 400);
        ofPoint textPtr2 = ofPoint(newPtr2.x * 0.5 + 400, newPtr2.y * 0.5 + 400);
        
        if (i == 0) {
            capturedPoint = newPtr;
            capturedPoint2 = newPtr2;
        };
        
        if (i != 24) {
            mesh.addVertex(newPtr);
            mesh.addTexCoord(textPtr);
            
            mesh.addVertex(newPtr2);
            mesh.addTexCoord(textPtr2);
            
        } else {
            mesh.addVertex(capturedPoint);
            mesh.addTexCoord(textPtr);
            
            mesh.addVertex(capturedPoint2);
            mesh.addTexCoord(textPtr2);
        }
        
        mesh.addColor(ofColor(255, 255, 255));
        mesh.addColor(ofColor(255, 255, 255));
    }
}