if (vertices == null || triangles == null) continue;
if (drawMeshTriangles) {
shapes.setColor(triangleLineColor);
for (int ii = 0, nn = triangles.length; ii < nn; ii += 3) {
int v1 = triangles[ii] * 5, v2 = triangles[ii + 1] * 5, v3 = triangles[ii + 2] * 5;
shapes.triangle(vertices[v1], vertices[v1 + 1], //
vertices[v2], vertices[v2 + 1], //
vertices[v3], vertices[v3 + 1] //
);
}
}