vaxgold / cub3d

My first game in C.

cub3D

My first game in C.

PARA COMPILAR CON MINILIBX

gcc -L ../mlx -lmlx -framework OpenGL -framework AppKit [nombre del archivo] gcc -L mlx -lmlx -framework OpenGL -framework AppKit cub3D.c

#------------------# TESTING #------------------#

void raycasting(t_data *gd) { int check = 0; int cam;

while (check < gd->game.scrW)
{
	cam = 2 * check / (double) gd->game.scrW - 1;
	gd->ray.dirX = gd->player.dirX + gd->ray.planeX * cam;
	gd->ray.dirY = gd->player.dirY + gd->ray.planeY * cam;

	int mapX = (int)gd->player.posX;
	int mapY = (int)gd->player.posY;

	gd->ray.deltaDistX = fabs(1 / gd->ray.dirX);
	gd->ray.deltaDistY = fabs(1 / gd->ray.dirY);

	gd->ray.hit = 0;
	if (gd->ray.dirX < 0)
	{
		gd->ray.stepX = -1;
    	gd->ray.sideDistX = (gd->player.posX - mapX) * gd->ray.deltaDistX;
	}
	else
	{
		gd->ray.stepX = 1;
   		gd->ray.sideDistX = (mapX + 1.0 - gd->player.posX) * gd->ray.deltaDistX;
	}
	if (gd->ray.dirY < 0)
	{
		gd->ray.stepY = -1;
    	gd->ray.sideDistY = (gd->player.posY - mapY) * gd->ray.deltaDistY;
	}
	else
	{
		gd->ray.stepY = 1;
    	gd->ray.sideDistY = (mapY + 1.0 - gd->player.posY) * gd->ray.deltaDistY;
	}

    while (gd->ray.hit == 0)
	{
    	if(gd->ray.sideDistX < gd->ray.sideDistY)
    	{
    		gd->ray.sideDistX += gd->ray.deltaDistX;
      		mapX += gd->ray.stepX;
      		gd->ray.side = 0;
    	}
    	else
    	{
      		gd->ray.sideDistY += gd->ray.deltaDistY;
      		mapY += gd->ray.stepY;
      		gd->ray.side = 1;
    	}
    	if(worldMap[mapX][mapY] > 0)
			gd->ray.hit = 1;
	}

    if (gd->ray.side == 0)
		gd->ray.perpWallDist = (mapX - gd->player.posX + (1 - gd->ray.stepX) / 2) / gd->ray.dirX;
	else
		gd->ray.perpWallDist = (mapY - gd->player.posY + (1 - gd->ray.stepY) / 2) / gd->ray.dirY;
	
	gd->ray.lineHeight = (int)(gd->game.scrH / gd->ray.perpWallDist);

	gd->ray.drawStart = -(gd->ray.lineHeight) / 2 + gd->game.scrH / 2;
	if (gd->ray.drawStart < 0)
		gd->ray.drawStart = 0;
	gd->ray.drawEnd = gd->ray.lineHeight / 2 + gd->game.scrH / 2;
	if (gd->ray.drawEnd >= gd->game.scrH)
		gd->ray.drawEnd = gd->game.scrH - 1;

    int rgb;
	if (worldMap[mapX][mapY] == 1)
		rgb = 0xFF0000;
	else if (worldMap[mapX][mapY] == 2)
		rgb = 0x00FF00;
	else if (worldMap[mapX][mapY] == 3)
		rgb = 0x0000FF;
	else if (worldMap[mapX][mapY] == 4)
		rgb = 0xFFFFFF;
	else
		rgb = 0xFFFF00;

    if (gd->ray.side == 1)
		rgb = rgb / 2;
    int pix = 0;
    while (pix < gd->ray.drawStart)
    {
        gd->game.img.data[pix * gd->game.scrW + check] = 0x02AFC4;
        pix++;
    }
    while (gd->ray.drawStart <= gd->ray.drawEnd)
	{
		gd->game.img.data[gd->ray.drawStart * gd->game.scrW + check] = rgb;
		gd->ray.drawStart++;
	}
    while (gd->ray.drawEnd <= gd->game.scrH)
    {
        gd->game.img.data[gd->ray.drawEnd * gd->game.scrW + check] = 0x386E39;
        gd->ray.drawEnd++;
    }
	check++;
}

}