Merge pull request #61 from Leraniki/main

Игра змейка. Никитина Лера

task5/Nikitina/Nikitina.c

@@ -0,0 +1,213 @@
+#include <SDL.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+
+#define MAX_LEN 100 //ìàêñèìàëüíàÿ äëèíà çìåè
+#define SCREEN_HEIGHT 480
+#define SCREEN_WIDTH 640
+#define CELL_SIZE 20 //ðàçìåð ñåãìåíòà çìåè
+#define FOOD_SIZE 20
+#define MAX_LEN 100
+
+//ñòðóêòóðà êîîðäèíàò
+struct coord {
+	int x;
+	int y;
+};
+// ñòðóêòóðà çìåè
+struct Snake {
+	struct coord body[MAX_LEN]; // ìàññèâ ñ êîîðäèíàòàìè òåëà çìåè
+	int length; // äëèíà çìåè
+	int move; // íàïðàâëåíèå çìåè 
+};
+
+//ñòðóêòóðà åäû
+struct Food {
+	struct coord pos; // êîîðäèíàòû åäû
+};
+
+//èíèöèàëèçàöèÿ íà÷àëüíîãî ïîëîæåíèÿ çìåè
+void init_snake(struct Snake* snake) {
+	//íà÷àëüíàÿ äëèíà è äâèæåíèå âïðàâî ïðè ñòàðòå
+	snake->length = 1;
+	snake->move = 1;
+
+	//óñòàíîâêà íà÷àëüíîãî ïîëîæåíèÿ çìåè
+	snake->body[0].x = SCREEN_WIDTH / 2;
+	snake->body[0].y = SCREEN_HEIGHT / 2;
+
+}
+
+
+//èíèöèàëèçàöèÿ íà÷àëüíîãî ïîëîæåíèÿ åäû
+void init_food(struct Food* food) {
+	food->pos.x = rand() % (SCREEN_WIDTH / FOOD_SIZE) * FOOD_SIZE;
+	food->pos.y = rand() % (SCREEN_HEIGHT / FOOD_SIZE) * FOOD_SIZE;
+}
+
+//îáðàáîòêà êëàâèø,êîòðûå íàæèìàåò ïîëüçîâàòåëü
+void moving(struct Snake* snake) {
+	SDL_Event event;
+	while (SDL_PollEvent(&event)) {
+		switch (event.type) {
+		case SDL_QUIT:
+			exit(0); // Âûõîä èç ïðîãðàììû ïðè çàêðûòèè îêíà
+			break;
+		case SDL_KEYDOWN:
+			switch (event.key.keysym.sym) {
+			case SDLK_UP:
+				if (snake->move != 2) {
+					snake->move = 0;
+				}
+				break;
+			case SDLK_RIGHT:
+				if (snake->move != 3) {
+					snake->move = 1;
+				}
+				break;
+			case SDLK_DOWN:
+				if (snake->move != 0) {
+					snake->move = 2;
+				}
+				break;
+			case SDLK_LEFT:
+				if (snake->move != 1) {
+					snake->move = 3;
+				}
+				break;
+			}
+			break;
+		}
+	}
+}
+//îáíîâëåíèå ïîëîæåíèÿ çìåè
+void upd_snake(struct Snake* snake, struct Food* food) {
+	struct coord prevHead = snake->body[0];
+	struct coord newHead = prevHead;
+
+	// Îáíîâëåíèå ïîëîæåíèÿ ãîëîâû çìåè
+	switch (snake->move) {
+	case 0:
+		newHead.y -= CELL_SIZE;
+		break;
+	case 1:
+		newHead.x += CELL_SIZE;
+		break;
+	case 2:
+		newHead.y += CELL_SIZE;
+		break;
+	case 3:
+		newHead.x -= CELL_SIZE;
+		break;
+	}
+
+	// Ïåðåìåùåíèå òåëà çìåè
+	for (int i = snake->length - 1; i > 0; i--) {
+		snake->body[i] = snake->body[i - 1];
+	}
+
+	// Óñòàíîâêà íîâîé ãîëîâû
+	snake->body[0] = newHead;
+
+	// Ïðîâåðêà ñòîëêíîâåíèÿ ñ ãðàíèöàìè ýêðàíà
+	if (newHead.x < 0 || newHead.x >= SCREEN_WIDTH || newHead.y < 0 || newHead.y >= SCREEN_HEIGHT) {
+		exit(0); // Çàâåðøåíèå ïðîãðàììû ïðè ñòîëêíîâåíèè ñ ãðàíèöàìè
+	}
+
+	// Ïðîâåðêà ñòîëêíîâåíèÿ ñ ñàìîé ñîáîé
+	for (int i = 1; i < snake->length; i++) {
+		if (newHead.x == snake->body[i].x && newHead.y == snake->body[i].y) {
+			exit(0); // Çàâåðøåíèå ïðîãðàììû ïðè ñòîëêíîâåíèè ñ ñàìîé ñîáîé
+		}
+	}
+
+	// Ïðîâåðêà ïîåäàíèÿ åäû
+	if (newHead.x == food->pos.x && newHead.y == food->pos.y) {
+		snake->length++;
+		init_food(food);
+	}
+
+
+}
+
+//îòîáðàæåíèå çìåè
+void create_snake(SDL_Renderer* renderer, struct Snake* snake) {
+	SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
+	for (int i = 0; i < snake->length; i++) {
+		SDL_Rect rect = { snake->body[i].x, snake->body[i].y, CELL_SIZE, CELL_SIZE };
+		SDL_RenderFillRect(renderer, &rect);
+	}
+}
+
+//îòîáðàæåíèå åäû
+void create_food(SDL_Renderer* renderer, struct Food* food) {
+	SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
+	SDL_Rect rect = { food->pos.x, food->pos.y, FOOD_SIZE, FOOD_SIZE };
+	SDL_RenderFillRect(renderer, &rect);
+}
+
+//îòîáðàæåíèå èãðîâîãî ïîëÿ
+void create_window(SDL_Renderer* renderer, struct Snake* snake, struct Food* food) {
+	SDL_SetRenderDrawColor(renderer, 255, 255, 153, 255);
+	SDL_RenderClear(renderer);
+
+	create_snake(renderer, snake);
+	create_food(renderer, food);
+
+	SDL_RenderPresent(renderer);
+}
+
+int main() {
+	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+		fprintf(stderr, "SDL_Init failed:%s\n", SDL_GetError());
+		return -1;
+	}
+	//ñîçäàíèå îêíà
+	SDL_Window* window = SDL_CreateWindow("Snake", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+		SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN);
+	if (!window) {
+		fprintf(stderr, "Window creation failed:%s\n", SDL_GetError());
+		return -1;
+	}
+
+	//Ñîçäàíèå ðåíäåðåðà
+	SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+	if (!renderer) {
+		fprintf(stderr, "Renderer failed:%s\n", SDL_GetError());
+		return -1;
+	}
+
+	//Èíèöèàëèçàöè çìåè è åäû
+	struct Snake snake;
+	struct Food food;
+	init_snake(&snake);
+	init_food(&food);
+
+	//èíèöèàëèçàöèÿ ãåíåðàòîðà ðàíäîìíûõ ÷èñåë
+	srand(time(NULL));
+	//èãðîâîé öèêë
+	while (1) {
+		//îáðàáîòêà ââîäà ïîëüçîâàòåëÿ
+		moving(&snake);
+
+		//îáíîâëåíèå ïîëîæåíèÿ çìåè
+		upd_snake(&snake, &food);
+
+		//îòîáðàæåíèå èãðîâîãî ïîëÿ
+		create_window(renderer, &snake, &food);
+
+
+		SDL_Delay(300);
+
+
+	}
+	//îñâîáîæäåíèå ïàìÿòè
+	SDL_DestroyRenderer(renderer);
+	SDL_DestroyWindow(window);
+	SDL_Quit();
+	return 0;
+
+
+}

task5/Nikitina/snake.txt

@@ -0,0 +1 @@
+Игра змейка. Управление стрелками. Если врезаться в границы окна или в самого себя, то игра закончится. Максимальное количество съеденной еды = 100. Я использовала библиотеку sdl