{ "cells": [ { "cell_type": "markdown", "id": "cb91184e", "metadata": {}, "source": [ "# 19-08 · Полная игра\n", "\n", "Практика к разделу [«Полный код и итоги»](../../site/chapters/glava-19/19-08-polnyj-kod-itogi.html). Тот же код, что и в `projects/turtle/snake/snake.py`." ] }, { "cell_type": "markdown", "id": "14e14b73", "metadata": {}, "source": [ "## Цель\n", "\n", "Собрать и протестировать всю игру одним шагом за раз." ] }, { "cell_type": "markdown", "id": "5c9f818d", "metadata": {}, "source": [ "## Настройка (выполнить один раз)" ] }, { "cell_type": "code", "execution_count": 1, "id": "3e98a83d", "metadata": { "execution": { "iopub.execute_input": "2026-08-14T20:59:20.616093Z", "iopub.status.busy": "2026-08-14T20:59:20.615898Z", "iopub.status.idle": "2026-08-14T20:59:20.766560Z", "shell.execute_reply": "2026-08-14T20:59:20.766030Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Экран готов.\n" ] } ], "source": [ "import random\n", "import turtle\n", "\n", "RAZMER_SHAGA = 20\n", "GRANICA = 280\n", "\n", "screen = turtle.Screen()\n", "screen.title(\"Змейка\")\n", "screen.bgcolor(\"black\")\n", "screen.setup(width=600, height=600)\n", "screen.tracer(0)\n", "print(\"Экран готов.\")" ] }, { "cell_type": "markdown", "id": "d6abf7ba", "metadata": {}, "source": [ "## Полная игра" ] }, { "cell_type": "code", "execution_count": 2, "id": "ccbc6707", "metadata": { "execution": { "iopub.execute_input": "2026-08-14T20:59:20.767701Z", "iopub.status.busy": "2026-08-14T20:59:20.767579Z", "iopub.status.idle": "2026-08-14T20:59:20.799328Z", "shell.execute_reply": "2026-08-14T20:59:20.798773Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Игра построена.\n" ] } ], "source": [ "napravlenie = \"stop\"\n", "schet = 0\n", "igra_okonchena = False\n", "segmenty = []\n", "\n", "golova = turtle.Turtle()\n", "golova.speed(0)\n", "golova.shape(\"square\")\n", "golova.color(\"white\")\n", "golova.penup()\n", "golova.goto(0, 0)\n", "\n", "yabloko = turtle.Turtle()\n", "yabloko.speed(0)\n", "yabloko.shape(\"circle\")\n", "yabloko.color(\"red\")\n", "yabloko.penup()\n", "\n", "tablo = turtle.Turtle()\n", "tablo.speed(0)\n", "tablo.color(\"white\")\n", "tablo.penup()\n", "tablo.hideturtle()\n", "tablo.goto(0, 260)\n", "\n", "\n", "def novoe_yabloko():\n", " x = random.randrange(-GRANICA, GRANICA, RAZMER_SHAGA)\n", " y = random.randrange(-GRANICA, GRANICA, RAZMER_SHAGA)\n", " yabloko.goto(x, y)\n", "\n", "\n", "def obnovit_tablo():\n", " tablo.clear()\n", " tablo.write(f\"Счёт: {schet}\", align=\"center\", font=(\"Arial\", 16, \"normal\"))\n", "\n", "\n", "def idti_vverh():\n", " global napravlenie\n", " if napravlenie != \"down\":\n", " napravlenie = \"up\"\n", "\n", "\n", "def idti_vpravo():\n", " global napravlenie\n", " if napravlenie != \"left\":\n", " napravlenie = \"right\"\n", "\n", "\n", "def dvigat_golovu():\n", " if napravlenie == \"up\":\n", " golova.sety(golova.ycor() + RAZMER_SHAGA)\n", " elif napravlenie == \"down\":\n", " golova.sety(golova.ycor() - RAZMER_SHAGA)\n", " elif napravlenie == \"left\":\n", " golova.setx(golova.xcor() - RAZMER_SHAGA)\n", " elif napravlenie == \"right\":\n", " golova.setx(golova.xcor() + RAZMER_SHAGA)\n", "\n", "\n", "def dobavit_segment():\n", " novyj = turtle.Turtle()\n", " novyj.speed(0)\n", " novyj.shape(\"square\")\n", " novyj.color(\"grey\")\n", " novyj.penup()\n", " segmenty.append(novyj)\n", "\n", "\n", "def dvigat_telo():\n", " for indeks in range(len(segmenty) - 1, 0, -1):\n", " x = segmenty[indeks - 1].xcor()\n", " y = segmenty[indeks - 1].ycor()\n", " segmenty[indeks].goto(x, y)\n", " if segmenty:\n", " segmenty[0].goto(golova.xcor(), golova.ycor())\n", "\n", "\n", "def proverit_edu():\n", " global schet\n", " if golova.distance(yabloko) < RAZMER_SHAGA:\n", " novoe_yabloko()\n", " dobavit_segment()\n", " schet += 10\n", " obnovit_tablo()\n", "\n", "\n", "def proverit_stolknoveniya():\n", " global igra_okonchena\n", " if abs(golova.xcor()) > GRANICA or abs(golova.ycor()) > GRANICA:\n", " igra_okonchena = True\n", " for segment in segmenty:\n", " if segment.distance(golova) < RAZMER_SHAGA / 2:\n", " igra_okonchena = True\n", "\n", "\n", "def igrovoj_shag():\n", " if igra_okonchena:\n", " return False\n", " dvigat_telo()\n", " dvigat_golovu()\n", " proverit_edu()\n", " proverit_stolknoveniya()\n", " screen.update()\n", " return not igra_okonchena\n", "\n", "\n", "novoe_yabloko()\n", "obnovit_tablo()\n", "print(\"Игра построена.\")" ] }, { "cell_type": "markdown", "id": "cafa2296", "metadata": {}, "source": [ "## Проверка результата — двигаемся 5 шагов вправо, затем к яблоку" ] }, { "cell_type": "code", "execution_count": 3, "id": "b441043a", "metadata": { "execution": { "iopub.execute_input": "2026-08-14T20:59:20.800352Z", "iopub.status.busy": "2026-08-14T20:59:20.800237Z", "iopub.status.idle": "2026-08-14T20:59:20.827710Z", "shell.execute_reply": "2026-08-14T20:59:20.827316Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Счёт после подхода к яблоку: 10\n", "Сегментов: 1\n", "Верно: яблоко съедено, змейка выросла, счёт увеличился.\n" ] } ], "source": [ "random.seed(11)\n", "idti_vpravo()\n", "\n", "# поставим яблоко ровно на два шага вперёд по курсу, чтобы гарантированно съесть его\n", "yabloko.goto(golova.xcor() + RAZMER_SHAGA * 2, golova.ycor())\n", "\n", "for _ in range(2):\n", " igrovoj_shag()\n", "\n", "print(\"Счёт после подхода к яблоку:\", schet)\n", "print(\"Сегментов:\", len(segmenty))\n", "assert schet == 10\n", "assert len(segmenty) == 1\n", "print(\"Верно: яблоко съедено, змейка выросла, счёт увеличился.\")" ] }, { "cell_type": "markdown", "id": "7db09d76", "metadata": {}, "source": [ "## Задание ★★★ Самостоятельная задача — доводим змейку до столкновения со стеной" ] }, { "cell_type": "code", "execution_count": 4, "id": "9cbf0781", "metadata": { "execution": { "iopub.execute_input": "2026-08-14T20:59:20.828954Z", "iopub.status.busy": "2026-08-14T20:59:20.828832Z", "iopub.status.idle": "2026-08-14T20:59:20.833555Z", "shell.execute_reply": "2026-08-14T20:59:20.832954Z" } }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Игра окончена: True после 12 шагов\n", "Верно: столкновение со стеной остановило игру.\n" ] } ], "source": [ "# едем вправо, пока не врежемся в стену\n", "shagov = 0\n", "while igrovoj_shag() and shagov < 100:\n", " shagov += 1\n", "\n", "print(\"Игра окончена:\", igra_okonchena, \"после\", shagov, \"шагов\")\n", "assert igra_okonchena is True\n", "print(\"Верно: столкновение со стеной остановило игру.\")" ] } ], "metadata": { "kernelspec": { "display_name": "Cartesian Python 3.14", "language": "python", "name": "cartesian-python314" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.14.6" } }, "nbformat": 4, "nbformat_minor": 5 }