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Why is the game fun? Author: Wang Yahui, Version: Turing New Knowledge | People’s Posts and Telecommunications Publishing House, March 2023. (Poster design: Liu Xiaofei)

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On May 12th this year, Nintendo released "the legend of zelda: Tears of the Kingdom", which sold 10 million copies worldwide in just three days, and triggered a wave of sharing among players on social media at home and abroad. With the development of media technology, the "ninth art" of games is increasingly attractive to people. Why is the game so fun? As a veteran gamer and the author of "The Game of China", Wang Yahui answers this fundamental question in a simple way through a large number of classic game cases such as Super Mario, Tetris, Diablo and the legend of zelda.

This book holds that games have clear and macroscopic "Rules" written in the instructions, and also have hidden and precise "Game Mechanics" that require players to explore themselves, while classic games can often derive the most complex and changeable mechanisms with the simplest rules. Judging from the two dimensions of time and space, which are the most basic for human beings to know the world, whether it is an extremely simple but popular elimination game such as Tetris and Bubble Dragon, or the most popular Jedi Survival, it is a superb use of the "space restriction" mechanism. Max payne, a classic adventure action game, tapped the potential of time mechanism through the use of bullet time.

In addition to space and time, this book also discusses the game mechanism in many aspects, such as money, props, skills, tasks, collection, etc., sorts out the classic design patterns in the study of game mechanism, and expands the horizons of ordinary readers to understand the game.

Editor/Shang Zhongming Wang Mingbo

Proofreading/Xue Jingning Fu Chunyu

1. Warhammer 40k: The Wanderer

"Warhammer 40k: The Wanderer" is composed ofOwlcat Games/Owlcat Games released an adventure strategy role-playing game, which went on the market on December 8th. In the game, you play an audacious wanderer, experience the dark and dangerous story 40,000 years ago, and start your legendary journey.

2. Steel Lan

"Steel Lan" is composed ofIssued by Zi Long Game Company.A strategy war chess game, with the modern background, the player incarnates as a mercenary, dealing with various organizations in the world, and exerting your ability to solve a shocking conspiracy.

3. Play the Stage: Interactive Plays

"Play the Stage: Interactive Plays" is composed ofAdventure-type game released by Daring Touch Company. I don’t understand how this game is adventurous, that is, players want to feel the feeling of being a star.Become an actor in a troupe and feel the glory and aura of being the protagonist. It is said that every performance is an adventure and takes place together with the performance. From the opening to the curtain call, the applause of the audience is only for you.

Liverpool and Aston Villa played the 37th round of the Premier League on May 20th. In the end, with the audience watching, the two sides ended the game with a 1-1 draw. With only one round left, Liverpool was still three points behind the top four. Next, let’s take a look at the course of this game!

There was a penalty in the 20th minute, when konate of Aston Villa knocked down Watkins of Liverpool in the restricted area, and the referee decisively awarded the penalty. However, Aston Villa’s attacker Watkins missed the penalty and let Liverpool escape.

However, Villa scored in the 27th minute. Douglas-Louis crosses from the right, and Jacob Ramsey at the back easily sends the ball into Liverpool’s goal to take the lead, and Liverpool are 0-1 at Villa.

In the second half, Aston Villa stepped up their attack, but Liverpool’s excellent defensive performance prevented Villa from expanding the score. In the 55th minute of the game, the Liverpool team’s Mince cleared the goal and Gakpo took the opportunity to make up the shot, but Fan Dike’s offside goal was invalid.

At the end of the game, Liverpool finally scored. Salah crossed from the right, and firmino easily sent the ball into Aston Villa’s goal at the back, and Wupu equalized the score.

In the end, the whole game ended and Liverpool drew 1-1 with Aston Villa.

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Wang yongzhan

Just after the 100-day countdown to the 31st Universiade, this upcoming youthful and energetic sports event has already ignited sports enthusiasm all over the city.

On the morning of April 21st, the "Happy Run for the National Universiade" activity and the awarding ceremony of the "Beidou Cup" National Youth Sports Competition (chengdu railway station) and the Guinness World Record Certification Ceremony were held in the Yaodu District Gymnasium.

The "Beidou Cup" National Youth Sports Competition is an important part of a series of fitness activities with the theme of "Run for Teenagers" initiated by the State Sports General Administration, the Ministry of Education, the National Health and Health Commission, the All-China Federation of Trade Unions, the Central Committee of the Communist Youth League and the All-China Women’s Federation. The competition features the innovative combination of Beidou and sports, and brings a new experience of sports by means of digital participation.

As the host city of the 31st Universiade and "the happiest city in China", Chengdu has formed a public sports space layout with Tianfu Greenway as the main trunk, venues and parks as the nodes, and "Jinjiao Yinbian" as the basis, which promotes people’s livelihood and well-being with colorful sports scenes and shows the development concept of "people-centered".

As an important event for Chengdu to welcome the Universiade, this competition takes the whole city as the venue and all residents as participants, fully demonstrating the concept of "green, wisdom, vitality and sharing" for Chengdu Universiade and creating a good social atmosphere for all people to welcome the Universiade. Pidu District took the lead in launching the Guinness Book of World Records activity of "A single event received the most sports declaration". Twenty-three districts (cities) and counties in the city participated in the activity, and many towns, communities and other units contributed to the record-setting work. Universities, primary and secondary schools also actively organized young people to participate in the activity.

On the occasion of the 31st Universiade, the activity further promoted the extensive development of national fitness, constantly improved the enthusiasm of community residents to participate in sports, enriched their amateur cultural life, and formed a strong atmosphere of healthy community sports. In the end, based on the data of 241,675 citizens’ sports declarations, the event successfully won the Guinness World Record certification of "receiving the most sports declarations in a single event in one month".

During the awarding ceremony, the Guinness World Records Certification Officer awarded the Guinness World Records Certification Certificate to the founding unit, and the relevant leaders awarded the winners the "National Universiade Happy Running" activity and the "Big Dipper Cup" National Youth Sports Competition (chengdu railway station) Excellent Organization Award, the Top Ten Players in the City and the Third Runner-up Award, and the District (City) and County Champion Award. After the award ceremony, the participating leaders officially launched the "National Universiade Happy Run" experience activity and the "City-wide Training Neighborhood Fun Tour" community sports festival for Pidu District.

CVPR 2023, one of the top three computer vision conferences, was exposed in the paper of China Smart Car Company.

Domestic autonomous driving companyHao mo zhi hangThe paper Bev-Lane Det: A Simple and Effective 3D Lane Detection Baseline submitted by the technical team of its Artificial Intelligence Center was successfully selected into CVPR2023.

What problems should the new research solve?

3D lane detectionAs a hot topic in the field of automatic driving, it plays a vital role in vehicle routing. In the past, related technologies were often difficult to be applied because of its complex spatial transformation and inflexible representation of 3D lanes.

Faced with these problems, Millie independently developed an efficient and robust monocular 3D lane detection, referred to as:BEV-LaneDet.

In BEV-LaneDet, Millimeter team first converted all the internal and external parameters of the input image into unified internal and external parameters through the virtual camera, which ensured the consistency of the spatial relationship of the front cameras in different vehicles and effectively promoted the learning process.

Moreover, Millimeter Team uses feature extractor to extract the features of the front view image, and proposes a simple but effective 3D lane representation, which is called "Key-Points Representation". This module is more suitable for representing complex and diverse 3D lane structures.

On this basis, inspired by FPN, Millicent team also designed a lightweight and chip-friendly spatial transformation module called "Spatial Transformation Pyramid", which is a fast multi-scale spatial transformation module based on VPN, mainly responsible for the transformation from front view features to BEV features.

Finally, the team predicted the lane on the plane tangent to the local road surface, divided the local road surface into s1×s2 grids, predicted confidence, embedding for clustering, lateral error offset and the height of each grid, and used fast clustering method to fuse the results of each branch in reasoning to obtain 3D lanes.

How did BEV-LaneDet perform?

Through the above methods, the F1-S?core of BEV-LaneDet can reach 185FPS on the OpenLane dataset, which is 10.6% higher than the current SOTA.

BEV-LaneDet can also lead the current SOTA method by 4.0% in the performance of Apollo 3D Lane Synthetic.

At present, Mimo Zhixing is the first echelon player in domestic self-driving mass production, and the paper written by its technical team BEV-LaneDet was selected for CVPR, which is actually the embodiment of the technical strength behind the commercial progress.

At present, HPilot has iterated three generations of products, and has achieved mass production on nearly 20 models of Wei brand, tank, Haval, Euler, Great Wall Gun and other brands. In the future, passenger cars equipped with Millimeter-assisted driving products will reach millions of orders of magnitude. As of February 2023, the mileage of user-assisted driving has exceeded 35 million kilometers. NOH, the first city in China that can land on a large scale, has also reached the delivery status with its software sealed.

In addition, the terminal logistics automatic delivery vehicle has initially completed the commercial closed loop, delivering more than 1,000 units, and the delivery order volume of the terminal logistics automatic delivery vehicle Little Magic Camel series has also exceeded 160,000, and the commercialization process is accelerating in an all-round way.

Introduction to CVPR

IEEE (Institute of Electrical and Electronics Engineers) CVPR (Conference on Computer Vision and Pattern Recognition) is one of the three top conferences in the field of computer vision and pattern recognition.

The main content of the conference is computer vision and pattern recognition technology. CVPR is the world’s top computer vision conference (one of the three top conferences, the other two are ICCV and ECCV). In recent years, there are about 1,500 participants every year, and the number of papers collected is generally about 300.

CVPR has strict employment standards. According to CVPR officials, CVPR2023 received a total of 9,155 papers, a record high, and the organizing committee finally hired 2,360 papers, with an acceptance rate of 25.78%.

CVPR is also the witness of major changes in the field of AI vision. The current wave of AI driven by deep learning originated from Hinton’s blockbuster in CVPR Challenge.

Address: https://arxiv.org/pdf/2210.06006.pdf.

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On March 12th, Greater Paris narrowly beat brest 2-1. Messi assists, Mbappé is the winner. Mbappé scored his 201st goal in Paris in the last round of Ligue 1, becoming the top scorer in the history of the club. In this match, Mbappé scored the 3000th goal in the history of Barley, which was the 12th team in the history of Ligue 1 to achieve this feat, but ranked third in speed. They used 1858 games, only Marseille in 1801 and saint etienne in 1816 were faster.

It was only in the past ten years that Greater Paris became a giant, because Qatar spent nearly 1.5 billion euros to build Greater Paris into a strong team with Champions League competitiveness, and signed Messi, Neymar, Mbappé and Ramos. Especially the Big Three. However, this group may disintegrate next year, and even after the end of this season, Messi may leave the team.

Messi is negotiating a contract renewal with Greater Paris at this stage. He wants to stay in the five major leagues for at least one year, so that he can continue to attack the Champions League and compete for the America’s Cup at the national team level. Although the cooperation with Grand Paris may end, Messi will take the game seriously as long as he plays, and his role is almost the most obvious in Grand Paris. Only Messi can liberate Mbappé.

In this game, Mbappé ran a fast race and didn’t have many chances, but Messi’s quick delivery finally made Mbappé’s speed work. He also got the round of one-on-one challenge against the goalkeeper and won it smoothly. This is Messi’s 300th assist, all in the five major leagues, and they are all giants, Barcelona and Greater Paris.

Mbappé has worked with Messi for less than two seasons, but the number of assists he has received from Messi has already hit the top three of all Messi teammates. Mbappé wants all kinds of golden boots, and it is obviously the most beneficial to cooperate with Messi. Messi likes to assist his teammates. Suarez said earlier that Messi and Neymar had helped them compete with Cristiano Ronaldo for the European Golden Boot. They would give way and make the ball.

Messi has assisted 300 clubs, with 269 assists in 672 games in Barcelona and 31 assists in 65 games in Greater Paris. In this round of Ligue 1, Messi didn’t score, but he basically scored one goal per game recently. If Messi scores another goal, he will be able to activate the milestone of 800 goals in his career, and maybe he will break the record in the next round of Ligue 1. Otherwise, this milestone will be activated as a player of Argentina’s national team. After Ligue 1, Argentina will have two warm-up matches.

Titan sports All Media Original

This Saturday, in the 24th round of the Bundesliga, Bayern played against augsburg at home. Bayern eliminated Paris Saint-Germain in the Champions League in mid-week, and nagel’s reputation improved. The team won three tough games in a row and was in good shape. Augsburg is the place where nagel Mann started his coaching career, and he served as a reserve scout under tuchel. After coaching Bayern, Nashuai led the team and lost to Auerbach twice. In this game, Bayern continued its excellent state in the near future, reversing the car after losing one goal first, and the defender scored four goals and finally won 5-3.

2′ Auerbach’s frontcourt foul ball, Bayern’s defense made a series of mistakes, Cancelo was erased, Berisha scored a low goal, and Bayern scored 0-1.

15′ Sane passed the ball, and Cancelo swung left and right and shot from a small angle to equalize 1-1.

19′ Bayern’s free kick caused confusion, Manet hooked the assist, pawar strafed the goal, and Bayern scored 2-1.

35′ Delicht grabbed the first point for the top corner kick, pawar scored twice in the volley and Bayern scored 3-1.

45′ Sane went straight to the goal, Mane sent it to the door and was blocked. Sane followed the header to make up the goal, and Bayern scored 4-1.

60′ Delicht knocks down Cardona, Berisha takes a penalty, Bayern 4-2.

74′ Cancelo’s right flank picks the ball, and the far-end Alfonso Davies outflanks it, and Bayern scores 5-2.

90+3′ RubenVargas accelerated the bottom cross, and Cardona made it 3-5.

"number theory"

[2] In Bayern’s 150th official game, pawar scored twice for the first time. Cancelo scored his first goal in Bayern.

Bayern lineup:27- Zuo Mo /5- pawar, 2- Yu Pamekano, 4- Delicht (84’23- Blind) /22- Cancelo, 42- Mucia La (78’38- Herafenbech), 6- kimmich, 19- Alfonso Davies (77’40- Mazravi).

Football is the most popular sport in the world, and the income of famous stars is also the top level in the world. Cristiano Ronaldo’s sky-high annual salary of $200 million now also shows the popularity of football, and this popularity is worldwide, so it is easier to increase income. Of course, not every player can enjoy the high salary. Playing football is also a profession, and the income level will be distinguished according to the ability. Therefore, the low-income people in football occupy a large proportion, so the gap between the rich and the poor of athletes is still very large.

Recently, Sportico, a sports business media, published a set of information. In 2022, the top 100 athletes in the world earned the highest income. Among them, football, as the most popular sport, occupied 12 places in the top 100, and basketball, one of the three big balls, also occupied a large proportion.

Among the top 10 sports athletes, there are 3 football players, all of whom are in the top 5. Messi’s salary of $72 million plus business endorsement of $50 million, with a total income of $122 million, ranks second. Cristiano Ronaldo, who has not yet moved to a local Saudi team, ranks third with a total income of $115 million. In 2023, Cristiano Ronaldo’s annual salary will reach $200 million, and his total income will rise sharply.

Neymar ranks fourth with a revenue of $103 million, and the top four football players occupy three seats, which proves that football stars have higher commercial value and football is more popular. Other top 100 footballers included Mbappé (US$ 254.88 million), Bell (US$ 304.33 million), Azar (US$ 413.79 million), Iniesta (US$ 533.50 million), Salah (US$ 573.42 million) and Levan (US$ 633.00 million).

In 2022, the American basketball player James ranked first in terms of athletes’ income. Although his annual salary was only $36.9 million, only half of that of Messi last year, his commercial contracts were as high as $90 million, and the commercial contracts were generally more and more, so James’ income was also increasing, making him a unique player in the world sports world.

Messi and Cristiano Ronaldo’s income is also unique in football. Even at the age of 38 or 36, they are still the most attractive players in football. Mbappé, of course, because of his age advantage, has the meaning of catching up with others. The total annual salary of Mbappé’s contract can reach 200 million, but it includes signing fee, loyalty bonus and so on, so it is not included in the list. However, if Mbappé wants to achieve the success of Messi and Cristiano Ronaldo, it still needs to maintain a long-term and stable state. Of course, Messi is a well-deserved king, both in honor and income, especially after winning the FIFA World Cup Qatar 2022 championship.