DOCSLIB.ORG

Description Implementation Discussion

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Description Implementation Discussion TANGIBLE TETRIS mixed-reality world, you can pick up the tangible tetrominoes Meng Wang, B430, Academy of Arts and Design, Tsinghua from the screen and put them down to fill gaps under other University, Beijing, 100084, China. Email: m- virtual blocks. As we expected, these two different actions STATEMENTS [email protected]. create new strategies and forms of interaction in the game play. Haipeng Mi, B430, Academy of Arts and Design, Tsinghua Implementation University, Beijing, 100084, China. Email: The hinged structure of the tangible tetromino is inspired by [email protected]. research on hinged dissections of polyominoes and polyforms See www.mitpressjournals.org/toc/leon/52/2 for supplemental files [1–3]. A tetromino has four blocks, and if the blocks are con- associated with this issue. nected with three hinges at specific corners (Fig. 2, middle), Submitted: 16 August 2017 the tetromino can transform into any of its seven distinct shapes via hinged rotation. Thus, we put motors in each corner Abstract to drive and rotate the hinges, so that the physical tetromino Tangible Tetris is a mixed-reality interactive game allowing play with a physi- can receive digital commands and change its shape on the cal transformable tetromino in a virtual playfield. The extension from game playground. Figure 2 also shows all the shapes of the tetromi- world to the physical brings plenty of new characteristics, strategies and fun to the classic game, as well as more possibilities in interactive art. no, how the blocks are connected, and how the rotation is done. Some of the shapes can be achieved by simple 180° rota- The game Tetris is a popular use of tetrominoes, the four- tion, but the others may have a 90° rotation. element special case of polyominoes. In a classic Tetris game, As for the playfield, we use the Microsoft PixelSense [4] to a random sequence of tetrominoes falls down to the bottom of present the digital content. Additionally, a marker is used for the playfield. The objective of the game is to manipulate these orientation, and a wireless module is used for communication tetrominoes by moving each piece horizontally and/or rotating with the tetromino. it by 90° at a time, with the goal of creating one or multiple horizontal rows of blocks without any gap. When such a row is Discussion created, it disappears, and any block above the disappearing Virtual domains are becoming a real part of everyday life. rows will fall. With rapid expansion of cyberspace, a unique virtual world is I used to be a hardcore Tetris player; it was the only game forming, containing many characteristics that we could never on my phone before I owned a smartphone. One day, while access in the physical world, as in Tetris. In this case, the researching tangible user interfaces, an idea came to me all of a screen acts as a great wall between the virtual and the physical. sudden: Why not make a Tangible Tetris, which we can touch “As new technologies equip surfaces with interfaces capable of and play with in the physical world? reacting to their environments, a whole new range of visual The idea was fascinating but hard to implement. How would and structural effects is beginning to emerge. Such reactive the player interact with a physical tetromino? How to design technologies as touch-sensitive screens have the potential to rules to make the game fantastic? How would the tetromino Fig. 1. Play with a physical transformable tetromino in the respond to the player? Would it be able to move, transform or virtual playfield of the Tangible Tetris game. (© Meng Wang) vanish? I have to admit these questions puzzled me for a long time. But eventually, I came up with a project that could deal with them and make a cool game. Description To be exact, Tangible Tetris (Fig. 1) is a game in what we call the mixed-reality world—not the virtual or the physical but both of them. The game is played on a large horizontal screen, with digital image and sound—and a physical object with which you can interact. In Tangible Tetris, the tetromino is tangible, which means you can drag it, rotate it, pick it up and put it down. The cool- est thing is that the tetromino can transform into any of the classic Tetris shapes. I am proud to say I achieved this with techniques from geometry and robotics, which I discuss below. The game rules of Tangible Tetris are actually similar to a variant of Tetris rather than to the classic one. No tetrominoes drop, but players can put the tangible tetromino onto the “NEXT” zone of the screen, and it will transform into the shape displayed. A player then places it at the bottom of the screen or onto other virtual blocks—which will add virtual blocks in the playfield. They will then get a new shape to transform in the “NEXT” zone. In order to make the game a little more challenging, at every few steps, a random row of blocks/gaps will be added at the bottom of the playfield. There is a significant difference between Tangible Tetris and virtual Tetris. In classic Tetris, no blocks can go through exist- ing ones to fill the gaps under them—which seems so natural in a 2D world. But with Tangible Tetris, which is in a 3D 182 LEONARDO, Vol. 52, No. 2, pp. 182–-183, 2019 doi:10.1162/LEON_a_01693 ©2019 ISAST Downloaded from http://www.mitpressjournals.org/doi/pdf/10.1162/leon_a_01693 by guest on 24 September 2021 STATEMENTS Fig. 2. Shapes of the tetromino, connections of the blocks and rotations needed for transformation. A line connecting two blocks means there is a hinge, and the gaps between blocks are exaggerated. (© Meng Wang) turn even the most mundane of objects into a technological veloped—for example, square to regular triangle, square to interface, enabling designers to take functionality to new rectangle, polyominoes containing more pieces, and so on. In heights” [5]. The virtual and the physical merge on the surface fact, it has been proven that we can always find a hinged dis- of the screen. section for two shapes with the same area, making them able to Tangible is a word mostly used in “tangible media,” or “tan- transform into each other [8,9]. The possible interactions are gible user interface (TUI).” A TUI is a user interface in which beyond our imagination. a person interacts with digital information through the physical Making virtual things physical is a very difficult but signifi- environment, building a bridge between the virtual and the cant matter. Eventually, the wall between the virtual and the physical by giving physical forms to digital information, thus physical will be completely obsolete, and a new world that we taking advantage of human abilities to grasp and manipulate can’t envision yet will come to us. physical objects and materials [6]. “Whereas many systems used physical objects to control digital objects, only few ex- Acknowledgments amples of ‘tangibles that push back’ were found. Most systems We thank Ying-Qing Xu for his suggestion, and all other mates for their support in brainstorming, testing, producing the movie and so on and James Ronner for supported only one-way communication, either being an ambi- proofreading the English. This work is supported by National Key Research & ent display or a data manipulation tool” [7]. People can access Development Plan of China under Grant No. 2016YFB1001402. virtual domains in the physical world (e.g. painting with a real brush on a screen), but the converse is still limited. References and Notes Tetris only exists in a virtual world. In Tangible Tetris, we 1. Erik D. Demaine et al., “Hinged Dissection of Polyominoes and Polyforms.” merge the virtual and the physical onto the screen, create a Computational Geometry 31 (2005) pp. 237–262. mixed-reality world and play in it. The added dimension of the 2. Timothy G. Abbott et al., “Hinged Dissections Exist,” Discrete & Computa- playfield brings surprising possibilities to the new game. We tional Geometry 41, No. 1, 150–186 (2012). can interact with the tetromino naturally, with our hands rather 3. Greg N. Frederickson, Hinged Dissections: Swinging and Twisting (Cam- bridge Univ. Press, 2002). than keyboard and mouse. The virtual playfield can respond to our physical manipulation, and the physical transformable 4. Samsung SUR40 with Microsoft® PixelSense™: www.samsung.com/us/business/support/owners/product/samsung-sur40 tetromino can also respond to the change in the virtual world. -with-microsoft-pixelsense-sur40 (accessed 20 November 2018). This dynamic and reciprocal relationship creates a complete 5. Bradley Quinn, Design Futures (London: Merrell, 2011). mixed-reality world, with a two-way window—we can access 6. Hiroshi Ishii and Brygg Ullmer, “Tangible Bits: Towards Seamless Interfaces both sides with counterparts of the other. between People, Bits and Atoms,” Proceedings of the ACM SIGCHI Confer- ence on Human Factors in Computing Systems (ACM, 1997). Future Work 7. Orit Shaer and Eva Hornecker, “Tangible User Interfaces: Past, Present, and To be accurate, transformation is something that we can Future Directions,” Foundations and Trends in Human-Computer Interaction easily achieve in the virtual world but is hard to implement (ACM, 2010). physically. I’m glad to say that what we have created is more 8. Demaine et al. [1]. than Tetris. With the technical scheme we used in Tangible 9. Abbott et al. [2]. Tetris, many other complex transformable systems can be de- Statements 183 Downloaded from http://www.mitpressjournals.org/doi/pdf/10.1162/leon_a_01693 by guest on 24 September 2021.
Load more

Recommended publications
  • Project Design: Tetris
    Project Design: Tetris Prof. Stephen Edwards Spring 2020 Arsalaan Ansari (aaa2325) Kevin Rayfeng Li (krl2134) Sooyeon Jo (sj2801) Josh Learn (jrl2196) Introduction The purpose of this project is to build a Tetris video game system using System Verilog and C language on a FPGA board. Our Tetris game will be a single player game where the computer randomly generates tetromino blocks (in the shapes of O, J, L, Z, S, I) that the user can rotate using their keyboard. Tetrominoes can be stacked to create lines that will be cleared by the computer and be counted as points that will be tracked. Once a tetromino passes the boundary of the screen the user will lose. Fig 1: Screenshot from an online implementation of Tetris User input will come through key inputs from a keyboard, and the Tetris sprite based output will be displayed using a VGA display. The System Verilog code will create the sprite based imagery for the VGA display and will communicate with the C language game logic to change what is displayed. Additionally, the System Verilog code will generate accompanying audio that will supplement the game in the form of sound effects. The C game logic will generate random tetromino blocks to drop, translate key inputs to rotation of blocks, detect and clear lines, determine what sound effects to be played, keep track of the score, and determine when the game has ended. Architecture The figure below is the architecture for our project Fig 2: Proposed architecture Hardware Implementation VGA Block The Tetris game will have 3 layers of graphics.
    [Show full text]
  • Human-Computer Interaction in 3D Object Manipulation in Virtual Environments: a Cognitive Ergonomics Contribution Sarwan Abbasi
    Human-computer interaction in 3D object manipulation in virtual environments: A cognitive ergonomics contribution Sarwan Abbasi To cite this version: Sarwan Abbasi. Human-computer interaction in 3D object manipulation in virtual environments: A cognitive ergonomics contribution. Computer Science [cs]. Université Paris Sud - Paris XI, 2010. English. tel-00603331 HAL Id: tel-00603331 https://tel.archives-ouvertes.fr/tel-00603331 Submitted on 24 Jun 2011 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Human‐computer interaction in 3D object manipulation in virtual environments: A cognitive ergonomics contribution Doctoral Thesis submitted to the Université de Paris‐Sud 11, Orsay Ecole Doctorale d'Informatique Laboratoire d'Informatique pour la Mécanique et les Sciences de l'Ingénieur (LIMSI‐CNRS) 26 November 2010 By Sarwan Abbasi Jury Michel Denis (Directeur de thèse) Jean‐Marie Burkhardt (Co‐directeur) Françoise Détienne (Rapporteur) Stéphane Donikian (Rapporteur) Philippe Tarroux (Examinateur) Indira Thouvenin (Examinatrice) Object Manipulation in Virtual Environments Thesis Report by Sarwan ABBASI Acknowledgements One of my former professors, M. Ali YUSUF had once told me that if I learnt a new language in a culture different than mine, it would enable me to look at the world in an entirely new way and in fact would open up for me a whole new world for me.
    [Show full text]
  • Homework 4: Tetronimoes
    CS 371M Homework 4: Tetronimoes Submission: All submissions should be done via git. Refer to the git setup, and submission documents for the correct procedure. The root directory of your repository should contain your README file, and your Android Studio project directory. Overview: “If Tetris has taught me anything, it’s that errors pile up and accomplishments disappear.” – Some guy on Reddit In this and the next homework, you will be implementing a simple game of Tetris. For those who have never played Tetris, definitely try it out. Below is a link to a free online tetris game. Use the “up” arrow key to rotate the blocks. https://www.freetetris.org/game.php On the following page is a screenshot of the game as it should look for this class. For previous assignments, layout and quality of appearance have not been major factors in grading. However, appearance will be considered for this assignment. Your app should look at least as polished as the example app. API: We have defined several framework classes for your use. TCell: A class that represents a singe square. Each TCell has a color and (x,y) coordinates. TGrid: A class that creates a grid of cells. Use this to represent the main grid of cells in your game. This class also provides several utility functions that help you to detect and delete full rows of cells. Tetromino: A class that represents a Tetris Tetromino. This class can be inserted into a TGrid, moved, and rotated. All Tetromino movement functions return a Boolean value depending on whether the movement succeeded or not.
    [Show full text]
  • Tetromino Reptiles
    Mathigon – Lesson Plan Tetromino Reptiles Standards Prior knowledge NC Key Stage 3: Use scale factors, scale diagrams and maps It will help if students have some familiarity with expressing relationships CCSS 7.G.A.1: Solve problems involving scale drawings of using ratio, and with square numbers. geometric figures Lesson outline This task uses Polypad’s tetrominoes as a context for exploring enlargements (dilations) and scale factors. Tetrominoes are shapes which can be made from 4 individual squares, and will be instantly recognisable to any student who has played the classic game Tetris. Lesson objective: Understand how the area of a shape changes when it is enlarged. Lesson activity Warm-up Show students this Polypad canvas. Explain that two of the tetrominoes have been enlarged (dilated) correctly, but two of them have mistakes. Invite students to work out the scale factor by which the two correct enlargements have been drawn, and to use the pen tool (or copy the diagrams onto squared paper) to correct the mistakes in the Canvas Link incorrect enlargements. Solution: The square has been correctly enlarged by a scale factor of 3, and the L tetromino has been correctly enlarged by a scale factor of 5. The T tetromino and the Z tetromino have not been enlarged correctly. If students haven’t seen tetrominoes before, and you think they could benefit from additional scaffolding before the warm up above, you could challenge them to find all the different arrangements of four 1-square tiles. They can use this canvas as a starting point. Main Activity Some shapes can be used to tile an enlargement of themselves – this is sometimes called a rep-tile.
    [Show full text]
  • A Speech Therapy Game for Children with Speech Sound Disorders
    Apraxia World: A Speech Therapy Game for Children with Speech Sound Disorders Adam Hair* Penelope Monroe* Beena Ahmed Texas A&M University University of Sydney University of New South Wales College Station, TX, USA Sydney, NSW, Australia Sydney, NSW, Australia [email protected] [email protected] Texas A&M University at Qatar Doha, Qatar [email protected] Kirrie J. Ballard Ricardo Gutierrez-Osuna University of Sydney Texas A&M University Sydney, NSW, Australia College Station, TX, USA [email protected] [email protected] ABSTRACT INTRODUCTION This paper presents Apraxia World, a remote therapy tool Speech sound disorders (SSDs) can affect language for speech sound disorders that integrates speech exercises production and speech articulation in children, leading to into an engaging platformer-style game. In Apraxia World, serious communicative disabilities [4]. Estimates for the the player controls the avatar with virtual buttons/joystick, prevalence of SSDs in children vary; some suggest between whereas speech input is associated with assets needed to 2% and 25% of children aged 5-7 years may be affected advance from one level to the next. We tested performance [21], while others estimate values closer to 1% of the and child preference of two strategies for delivering speech primary-school-aged population [26]. Regardless of their exercises: during each level, and after it. Most children exact prevalence, SSDs can have potentially devastating indicated that doing exercises after completing each level effects on a child’s communication development [10]. was less disruptive and preferable to doing exercises Fortunately, children can reduce symptoms and improve scattered through the level.
    [Show full text]
  • BOOK the Tetris Effect: the Game That Hypnotized the World
    Notes by Steve Carr [www.houseofcarr.com/thread] BOOK The Tetris Effect: The Game That Hypnotized the World AUTHOR Dan Ackerman PUBLISHER Public Affairs PUBLICATION DATE September 2016 SYNOPSIS [From the publisher] In this fast-paced business story, reporter Dan Ackerman reveals how Tetris became one of the world's first viral hits, passed from player to player, eventually breaking through the Iron Curtain into the West. British, American, and Japanese moguls waged a bitter fight over the rights, sending their fixers racing around the globe to secure backroom deals, while a secretive Soviet organization named ELORG chased down the game's growing global profits. The Tetris Effect is an homage to both creator and creation, and a must-read for anyone who's ever played the game-which is to say everyone. “Henk Rogers flew on February 21, 1989. He was one of three competing Westerners descending on Moscow nearly simultaneously. Each was chasing the same prize, an important government-controlled technology that was having a profound impact on people around the world . That technology was perhaps the greatest cultural export in the history of the USSR, and it was called Tetris . Tetris was the most important technology to come out of that country since Sputnik.” “Tetris was different. It didn’t rely on low-fi imitations of cartoon characters. In fact, its curious animations didn’t imitate anything at all. The game was purely abstract, geometry in real time. It wasn’t just a game, it was an uncrackable code puzzle that appealed equally to moms and mathematicians.” “Tetris was the first video game played in space, by cosmonaut Aleksandr A.
    [Show full text]
  • A Comparison of Feature Functions for Tetris Strategies
    A comparison of feature functions for Tetris strategies Jonas Balgaard Amundsen Master of Science in Computer Science Submission date: June 2014 Supervisor: Keith Downing, IDI Norwegian University of Science and Technology Department of Computer and Information Science Acknowledgements Special thanks go to my project supervisor, Prof. Keith L. Downing, for impor- tant advice, guidance and encouragement. Additionally, this research was supported in part with computational resources at NTNU provided by NOTUR, http://www.notur.no. Abstract Finding optimal strategies for the game of Tetris is an interesting NP-complete problem that has attracted several AI researchers. Their approaches display sub- tle variations in the implementation details, with unclear relationships between these details and Tetris performance. This, combined with the absence of confi- dence intervals in most published results, makes the evaluation and comparison of Tetris strategies and optimization methods very difficult. To look further into this unclear relationship, we would re-create every environ- ment described in several publications. An evolutionary algorithm was executed within each environment to create multiple AIs and their performance compared against each other. The scores differed substantially. This suggests that some aspects of the Tetris environment greatly affects the potentially obtainable per- formance of an AI. We come to the unfortunate conclusion that nearly no results of existing publications can be used to compare optimization methods against each other in terms of suitability for Tetris due to this reason. Sammendrag A˚ finne optimale strategier for spillet Tetris er et interessant NP-komplett pro- blem som har tiltrukket seg flere AI-forskere. Deres tilnærminger avviker derimot fra hverandre n˚ardet gjelder enkelte implementasjonsdetaljer og det et uklart forhold mellom dette og oppn˚addytelse.
    [Show full text]
  • LEVELING PAINS: CLONE GAMING and the CHANGING DYNAMICS of an INDUSTRY Nicholas M
    0743-0774_LAMPROS_081413 (DO NOT DELETE) 9/11/2013 1:51 PM LEVELING PAINS: CLONE GAMING AND THE CHANGING DYNAMICS OF AN INDUSTRY Nicholas M. Lampros † In May of 2009, Xio Interactive, Incorporated, a small company formed by recent college graduate Desiree Golden, released a video game called Mino for what was then the iPhone OS operating system.1 Within a few months, Xio released a second version of the game called Mino Lite.2 According to accompanying descriptive text published with the game listings, the two games had much to recommend them: a variety of input control options, an original musical score, two standard play modes, mobile multi-player connectivity, and even social chat rooms where players could discuss strategy or watch games in progress.3 Description of the actual game play, however, was sparse; Mino was summed up as simply a “Tetromino game” with “fast- paced, line-clearing features.”4 And at the very bottom of the description came a disclaimer: “Mino and Xio Interactive are not affiliated with Tetris (tm) or the Tetris Company (tm).”5 This disclaimer, of course, helps explain why further description of the game-play was unnecessary—and also what would happen next. To anyone with even casual familiarity with video game history, the screen shots and descriptions, sparse as they were, made it immediately apparent that Mino had deep similarities to Tetris, the wildly popular puzzle game that has sold millions of units on various gaming platforms since it was originally published in the 1980s.6 How similar, exactly, soon became a question of law, © 2013 Nicholas M.
    [Show full text]
  • Secure High Capacity Tetris-Based Scheme for Data Hiding
    IET Image Processing Research Article ISSN 1751-9659 Secure high capacity tetris-based scheme for Received on 24th March 2020 Revised 26th October 2020 data hiding Accepted on 13th November 2020 E-First on 11th March 2021 doi: 10.1049/iet-ipr.2019.1694 www.ietdl.org Guo-Dong Su1,2, Chin-Chen Chang2, Chia-Chen Lin3,4 , Zhi-Qiang Yao5 1Engineering Research Center for ICH Digitalization and Multi-source Information Fusion (Fujian Polytechnic of Fujian Normal University), Fujian Province University, Fuzhou 350500, People's Republic of China 2Department of Information Engineering and Computer Science,Feng Chia University, Taichung 40724, Taiwan 3Department of Computer Science and Information Engineering, National Chin-Yi University of Technology, Taichung 41170, Taiwan 4Department of Computer Science and Information Management, Providence University, Taichung 40724, Taiwan 5College of Mathematics and Informatics, Fujian Normal University, Fuzhou Fujian 350117, People's Republic of China E-mail: [email protected] Abstract: Information hiding is a technique that conceals private information in a trustable carrier, making it imperceptible to unauthorised people. This technique has been used extensively for secure transmissions of multimedia, such as videos, animations, and images. This study proposes a novel Tetris-based data hiding scheme to flexibly hide more secret messages while ensuring message security. First, an LQ × LQ square lattice Q is selected to determine the maximum embedding capacity, and then it is filled without gaps through rotating and sliding tetrominoes while making the shape of each tetromino different. Secondly, according to the decided Q, the reference matrix and corresponding look-up table are constructed and then used for secret messages embedding and extraction.
    [Show full text]
  • This Material Is Protected by Copyright and Is for the Personal Use of the Individual Smithline Training Subscriber Who Purchased Access to This Episode Only
    Smithline Training LLC Presentation Slides Limited Use Right: This material is protected by copyright and is for the personal use of the individual Smithline Training subscriber who purchased access to this Episode only. Any other use or distribution of this material is strictly prohibited. This is Not Legal Advice: The information contained in this document is provided for informational purposes only. It should not be considered legal advice or a substitute for legal advice, and does not create an attorney‐client relationship between you and Smithline Training LLC. Because this information is general, it may not apply to your individual legal or factual circumstances. You should not take (or refrain from taking) any action based on the information in this document without first obtaining legal counsel. Please contact us with any questions or comments: [email protected] SMITHLINE TRAINING LLC | 300 MONTGOMERY STREET, SUITE 1000 | SAN FRANCISCO, CA 94104 Are the Rules of a Video Game Now Copyrightable? Smithline Training LLC / smithlinetraining.com Disclaimer 01 Smithline Training LLC is not a law firm 02 Not legal advice 03 No attorney‐client relationship 04 Consult with a lawyer for your particular issues Our 2‐Step Training Approach 1 2 Watch the Episode Attend a Roundtable Ask questions and share best practices Online or in person in San Francisco Feedback Feedback, questions or complaints? [email protected] Tools for this Episode Copyright Code Provisions and Case List Today’s Question Today’s Question In the last few years, two U.S. district courts found video game mechanics or “rules” to be protectable by copyright.
    [Show full text]
  • Tetris Tetris Tetris TETRIS
    20112011 TetrisTETRIS CreatingLocal Searching a tetris aAgentn Intelligent Tetris playing InAgent this project we tried to create the ultimate Tetris game player that will get better from game to game. The approaches we used are modifications of LocalLocal Search – StochasticIn this project Hillclimbing we triedand Beam to create Search. the ultimate Tetris game player. The approaches we used are modifications of Local Search – Stochastic Hill climbing and Beam Search based on weighing game playing heuristics. Gil , Alex andGil Hartman,Michael Michael Zakai, Kulakovsky Alex HebrewHebrew University University of of Jerusalem Jerusalem 3/12/20113/2011 Local Searching an Intelligent Tetris playing Agent 3/2011 TABLE OF CONTENTS Introduction to Tetris ..................................................................................................... 4 Project Overview ............................................................................................................ 5 Solution Space: ............................................................................................................... 6 Voting ........................................................................................................................... 6 Board evaluation heuristics ........................................................................................... 7 Max Height Heuristic ........................................................................................................ 7 Average Height Heuristic ..................................................................................................
    [Show full text]
  • CS 342 – Software Design Programming Project 5 Spring 2016
    CS 342 – Software Design Programming Project 5 Spring 2016 Programming Project 5 – Tetris Due: Thursday April 28, 2016 at 11:59 pm For this project, you are to write a Java application to play Tetris using the Java Swing Libraries. This project will be done in groups of 2 or 3 students. Students can determine their own groups. Note that is copyrighted and legal action has been taken against websites hosting Tetris-like games. A discussion of Tetris can be found at http://en.wikipedia.org/wiki/Tetris. Tetris is a real time game that continuously drops pieces (called Tetrominoes) on to a pile. The user is allowed to rotate and move these pieces left and/or right to fill up rows in the pile. When a row is completely filled, that row disappears and all pieces on top of that row fall down. Over time, the tetrominoes fall faster and the game is over when the pile reaches to the top of the playing area. There are 7 different Tetrominoes. Each one is made up of 4 blocks. The 7 Tetrominoes are referred to as I, T, O, L, J, S and Z. These seven Tetrominoes are shown below: Your program must create a base class of Tetromino. Each of the seven different types of Tetrominoes must be implemented using a derived class that inherits from the base Tetromino class. Your program must also use Design Patterns in at least two spots. A readme.txt file must be submitted with your program CLEARLY explaining the Design Patterns being used including the implementation details (i.e.
    [Show full text]