void playerCollisions(Fixed2D* player, Fixed theta, const char** level, int* collision, Rect* collisionPosition, Fixed scrolling)
{
    *collision = 0b00000000;

    if (fixtoi(player->y) >= GROUND_HEIGHT)
        *collision |= COLLISION_GROUND;

    Rect playerCenter = {fixtoi(player->x) + TILE_WIDTH / 2, fixtoi(player->y) + TILE_WIDTH / 2};

    int inTileSet_playerX = fixtoi(player->x) / TILE_WIDTH;
    int inTileSet_playerY = fixtoi(player->y) / TILE_WIDTH;

    Rect reachableTiles[] = {{inTileSet_playerX + 0, inTileSet_playerY + 1},
                             {inTileSet_playerX + 0, inTileSet_playerY - 1},
                             {inTileSet_playerX + 1, inTileSet_playerY + 0},
                             {inTileSet_playerX - 1, inTileSet_playerY + 0},
                             {inTileSet_playerX + 1, inTileSet_playerY + 1},
                             {inTileSet_playerX + 1, inTileSet_playerY - 1},
                             {inTileSet_playerX - 1, inTileSet_playerY + 1},
                             {inTileSet_playerX - 1, inTileSet_playerY - 1}};
    int i, itemI;
    for (i = 0; i < 8; ++i)
    {
        int tileType = level[reachableTiles[i].x][reachableTiles[i].y] - '0';
        if (tileType == ITEM_EMPTY) break;

        Rect item[4];

        if (tileType == ITEM_BLOCK)
        {
            item[0] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH};
            item[1] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH};
            item[2] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
            item[3] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
            for (itemI = 0; itemI < 4; itemI++)
            {
                Rect A = item[itemI];
                Rect B = item[itemI + 1 % 4];
                if (collisionSegmentCircle(A, B, playerCenter, TILE_WIDTH / 2))
                {
                    *collision |= COLLISION_BLOCK;
                    *collisionPosition = reachableTiles[i];
                    break;
                }
            }
        }
        else if (tileType == ITEM_LINE)
        {
            Rect A = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH + 14};
            Rect B = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH + 14};
            if (collisionSegmentCircle(A, B, playerCenter, TILE_WIDTH / 2))
            {
                *collision |= COLLISION_DIE;
                return;
            }
        }
        else
        {
            switch (tileType)
            {
                case ITEM_T_SPIKE:
                    item[0] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
                    item[1] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
                    item[2] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH/2, reachableTiles[i].y * TILE_WIDTH};
                    break;
                case ITEM_B_SPIKE:
                    item[0] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH};
                    item[1] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH};
                    item[2] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH/2, reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
                    break;
                case ITEM_L_SPIKE:
                    item[0] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH};
                    item[1] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH/2};
                    item[2] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
                    break;
                case ITEM_R_SPIKE:
                    item[0] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH};
                    item[1] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling) + TILE_WIDTH, reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH/2};
                    item[2] = (Rect){reachableTiles[i].x * TILE_WIDTH - fixtoi(scrolling), reachableTiles[i].y * TILE_WIDTH + TILE_WIDTH};
                    break;
            }
            for (itemI = 0; itemI < 3; itemI++)
            {
                Rect A = item[itemI];
                Rect B = item[itemI + 1 % 3];
                if (collisionSegmentCircle(A, B, playerCenter, TILE_WIDTH / 2))
                {
                    *collision |= COLLISION_DIE;
                    return;
                }
            }
        }
    }
}