src/game.cpp - master - nantonenko95/raylib-introduction

src/game.cpp
102 строки2 KB
Nikita
Done
10 ноя 2024, 17:12
10 ноя 2024, 17:12415bde2
#include "game.h"
#include "raylib.h"

void Game::init()
{
    player_.position = {gameZone.width / 2, gameZone.height / 2};
    player_.moveConstraint = gameZone;
    player_.init();

    for (size_t i{0}; i < 3; i++)
        spawnEnemy();
}

void Game::updateState()
{
    player_.update();

    updateEnemies();

    for (auto &enemy : enemyList)
        enemy.update();

    auto &prjList = player_.weapon.projectileList;

    for (auto &prj : prjList)
    {
        for (auto &enemy : enemyList)
        {
            if (prj.collider().isCollideWith(enemy.collider()))
            {
                enemy.health -= player_.weapon.damage;
                prj.isAlive = false;
            }
        }
    }

    for (auto &enemy : enemyList)
    {
        if (enemy.collider().isCollideWith(player_.collider()))
            player_.health -= 1.0f;
    }

    prjList.erase(std::remove_if(prjList.begin(), prjList.end(), [](auto &prj) { return !prj.isAlive; }),
                  prjList.end());

    for (auto &enemy : enemyList)
    {
        if (enemy.health < 0)
            enemy.isAlive = false;
    }

    enemyList.erase(std::remove_if(enemyList.begin(), enemyList.end(), [](auto &enemy) { return !enemy.isAlive; }),
                    enemyList.end());

    if (player_.health <= 0)
        player_.isAlive = false;
}

void Game::updateDraw()
{
    BeginDrawing();
    ClearBackground(BLACK);

    for (auto &enemy : enemyList)
    {
        enemy.draw();
        std::string enemyHealth = std::to_string(enemy.health);
        DrawText(enemyHealth.c_str(), enemy.position.x + 80, enemy.position.y, 24, RED);
    }
    if (player_.isAlive)
        player_.draw();
    else
        DrawText("GAME OVER", gameZone.width / 2, gameZone.height / 2, 30, BLUE);

    DrawText(("Timer: " + std::to_string(enemySpawnCooldown - lastEnemySpawnElappsed)).c_str(), gameZone.x,
             gameZone.height - 50, 25, GREEN);

    DrawText(("HP: " + std::to_string(player_.health)).c_str(), gameZone.width - 100, gameZone.height - 100, 24, GREEN);

    EndDrawing();
}

void Game::updateEnemies()
{
    if (lastEnemySpawnElappsed > enemySpawnCooldown)
    {
        lastEnemySpawnElappsed = 0.0f;
        spawnEnemy();
    }

    lastEnemySpawnElappsed += GetFrameTime();
}

void Game::spawnEnemy()
{
    float xPos = GetRandomValue(gameZone.x, gameZone.width);
    float yPos = GetRandomValue(gameZone.y + 100, gameZone.height / 10);
    Enemy e;
    e.position = {xPos, yPos};
    e.init();
    enemyList.push_back(e);
}