shapes:

    "rocket_body":
        hexpicture:
            ;;
            ;;
            ;;
            ;;
            ;;           +---+---+
            ;;           |   |   |--
            ;;           |   |   |C +---+
            ;;           |9  |9  |--|   |--
            ;;           +---+---* C|   |C +
            ;;           |   |   |--|9  |--
            ;;           |   |   |4 +---+
            ;;           |1  |1  |--
            ;;           +---+---+
            ;;
            ;;
            ;;
            ;;

    "rocket_flame":
        animation: cycle 6
        prismels:
            : "tri" ( 0  0  0  0)  5 f eval(1 + 8 + 7) (0 1)
            : "tri" ( 0 -1  0  0)  3 f eval(1 + 8 + 7) (0 1)
            : "tri" ( 0  0  0  0)  5 f eval(1 + 8 + 6) (1 1)
            : "tri" ( 0 -1  0  0)  3 f eval(1 + 8 + 6) (1 1)
            : "tri" ( 0  0  0  0)  5 f eval(1 + 8 + 4) (2 1)
            : "tri" ( 0 -1  0  0)  3 f eval(1 + 8 + 4) (2 1)
            : "tri" ( 0  0  0  0)  5 f eval(1 + 0 + 4) (3 1)
            : "tri" ( 0 -1  0  0)  3 f eval(1 + 0 + 4) (3 1)

    "rocket_fire":
        animation: cycle 6
        shapes:
            : "rocket_flame" eval(0)  0 f  0+

            : "rocket_flame" eval( F    )  0 f -1+
            : "rocket_flame" eval(   - B)  0 f -1+

            : "rocket_flame" eval( F - B)  0 f -2+

            : "rocket_flame" eval( F*2 - B  )  0 f -3+
            : "rocket_flame" eval( F   - B*2)  0 f -3+

            #: "rocket_flame" eval( F*2      )  0 f -4+
            #: "rocket_flame" eval(     - B*2)  0 f -4+
            : "rocket_flame" eval( F*2 - B*2)  0 f -4+

    "rocket":
        animation: cycle 6
        shapes:
            : "rocket_body" ( 0 0 0 0) 0 f
            : "rocket_fire" (-2 0 0 0) 0 f

    "rocket_forward":
        animation: once 2
        shapes:
            : "rocket_body" (-4  0  0  0)  0 f 0+ (0 1)
            : "rocket_fire" (-4  0  0  0)  0 f 0+ (0 1)

            : "rocket_body" (-2  0  0  0)  0 f 0+ (1 1)
            : "rocket_fire" (-2  0  0  0)  0 f 0+ (1 1)

    "rocket_turn_up":
        animation: once 2
        shapes:
            : "rocket_body" eval( E*4) -2 f 0+ (0 1)
            : "rocket_fire" eval( E*4) -2 f 0+ (0 1)
            : "rocket_fire" eval( E*4)  0 f 0+ (0 1)

            : "rocket_body" eval( E*2) -1 f 0+ (1 1)
            : "rocket_fire" eval( E*2) -1 f 0+ (1 1)

    "rocket_turn_down":
        animation: once 2
        shapes:
            : "rocket_body" eval(-C*4)  2 f 0+ (0 1)
            : "rocket_fire" eval(-C*4)  2 f 0+ (0 1)
            : "rocket_fire" eval(-C*4)  0 f 0+ (0 1)

            : "rocket_body" eval(-C*2)  1 f 0+ (1 1)
            : "rocket_fire" eval(-C*2)  1 f 0+ (1 1)