---

import bpy, bmesh, math

def mat(name, c):
    m = bpy.data.materials.new(name)
    m.diffuse_color = (*c, 1)
    m.use_nodes = True
    for node in m.node_tree.nodes:
        if node.type == 'BSDF_PRINCIPLED':
            node.inputs["Base Color"].default_value = (*c, 1)
            break
    return m

Blue  = mat("Blue",  (0.35, 0.7, 0.95))
Glass = mat("Glass", (0.9, 0.95, 1.0))
Black = mat("Black", (0.05, 0.06, 0.07))
Gray  = mat("Gray",  (0.5, 0.5, 0.5))
LGray = mat("LightGray", (0.78, 0.78, 0.78))
Beige = mat("Beige", (0.95, 0.85, 0.65))

def prism(name, m, poly, y0, y1):
    n = len(poly)
    v = [(x, y0, z) for x, z in poly] + [(x, y1, z) for x, z in poly]
    f = [list(range(n)), list(range(2*n-1, n-1, -1))]
    f += [[i, n+i, n+(i+1) % n, (i+1) % n] for i in range(n)]
    me = bpy.data.meshes.new(name)
    me.from_pydata(v, [], f)
    me.update()
    bm = bmesh.new(); bm.from_mesh(me)
    bmesh.ops.recalc_face_normals(bm, faces=bm.faces)
    bm.to_mesh(me); bm.free()
    me.materials.append(m)
    o = bpy.data.objects.new(name, me)
    bpy.context.collection.objects.link(o)

def box(name, m, x0, x1, z0, z1, y0, y1):
    prism(name, m, [(x0, z0), (x1, z0), (x1, z1), (x0, z1)], y0, y1)

def circle(r, cx, cz, n=32):
    return [(cx + r*math.cos(2*math.pi*k/n), cz + r*math.sin(2*math.pi*k/n)) for k in range(n)]

# кузов и кабина
box("Body", Blue, -2, 2, 0.5, 1.2, -0.9, 0.9)
prism("Cabin", Blue,