CreateHorde.cpp

#include "ZombieArena.h"
#include "Zombie.h"

Zombie* createHorde(int numZombies, IntRect arena)
{
    Zombie* zombies = new Zombie[numZombies];

    int maxY = arena.height - 20;
    int minY = arena.top + 20;

    int maxX = arena.width - 20;
    int minX = arena.left + 20;

    for (int i = 0; i < numZombies; i++)
    {
        // Which side should the zombie spawn
        srand((int)time(0) * i);
        int side = (rand() % 4);
        float x, y;

        switch (side)
        {
        case 0: 
            // left
            x = minX;
            y = (rand() % maxY) + minY;
            break;

        case 1:
            // right
            x = maxX;
            y = (rand() % maxY) + minY;
            break;

        case 2:
            // top
            x = (rand() % maxX) + minX;
            y = minY;
            break;

        case 3:
            // bottom
            x = (rand() % maxX) + minX;
            y = maxY;
            break;
        }

        // Bloater, crawler or runner
        srand((int)time(0) * i * 2);
        int type = (rand() % 3);

        // Spawn the new zombie into the array
        zombies[i].spawn(x, y, type, i);
    }
    return zombies;
}