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resented with AMI k Your essential guide EXPLORING REAL 3D by Andy Jones and Nick Veitch INFORMATION © Future Publishing 1995 Beauford Court, 30 Monmouth Street, Bath, Avon BA1 2BW This book is provided free with the November 1995 issue of Amiga Format magazine.it must not be sold separately from this magazine. Edited by Nick Veitch Design by Sue White Written by AndyJones and Nick Veitch Additional material by Graeme Sandiford Amiga Format is the UK's best-selling Amiga magazine. With its blend of authoritative reviews, up-to-the- minute news coverage and experttechnical insight, it has led the field since its launch. Mail Beauford Court, 30 Monmouth 5treet( Bath, Avon BA1 2BW Phone 01225 442244 Fax 01225 318740 email [email protected] [please include dept. in subject text) WWW site http://www.futurenet.co.uk/computing/amigaformat.html CONTENTS CONTENTS INTRODUCTION 4 OBJECTS 7 HIERARCHY 15 MATERIALS 19 BOOLEAN OPERATIONS 29 WIREFRAME 35 SOLID SCREEN 39 ANIMATION 49 APPENDICES 57 OFFERS 65 INTRODUCTION Welcome to ourhumblelittle book,which overthe comingpageswillactasyourguide to exploring the tremendouslypowerful renderingengineyouwill have found on this month'scoverdisk. Ifyou have found this tome inadentist'swaitingroom or on the topdeckofthe Clapham Omnibus,you maybe Onceyouhavetextaianobject,thereareavarietyofimpressiveeffects youcangenerate. INTRODUCTION wonderingwhat isgoingon. This bookis meantto accompanydie REAL3Dcoverdisk, comprising the completesoftwareforREAL3D 1.4. The softwarewill allowyou tocreatejustaboutanyobject youcan imagine, put itin ascene andrenderitasa high quality24-bitimage.You can even animateyourimages to Thissamplepicture,theobjectsandthescenethatcreatedttareall containedonyourAmigaFormatcoverdlfk. INTRODUCTION create impressive opening titles foryourhome movies,or even interestingfeatures in theirown right. Ofcourse, tobe able todo anyofthisyoumustunderstand how thesoftwareworks.Thankfully, REAL3D isfairlyeasy topick upand use, butto helpyou alonginyourjourney through all diings 3D,we haveputtogetherhints, tipsand examplesofall the majorfeatures ofdiesoftware. IhopeyouenjoyyourearlyChristmas presentfromAmiga FormatandActiva. Nowlets getexploring... OBJECTS Objects OBJECTS Obviously, in orderto renderthree realistic three dimensional images,you firstneed tocreate the objectswhich are goingto feature in yourpicture or animation.The objectsare theverygutsofrendering software-ifyoucan'teasilycreate the ojectsyouwish to appearinyourvirtualworld, you aren'tgoingto getveryfar atall. Fortunatelyforyou, REAL3D hasverysophisticated modellingtools, primitivesand operators,which will enaableyou tocreatejustaboutanythingyou can imagine. This chapterwill showyou howto take advantage ofREAL 3D's excellentfeatures. REAL3D has two main typesofobject. CSGPrimatives and Meshesbased on polygonal lines. CSGPrimatives (CSG stands forConstructive SolidGeometry) are a collection ofcommonly used objectssuch as spheres, cubes, polyhedrons, cylinders, etc. CSGobjectsare different from mostother3D programs in thatthey Meshesaresimpletocreateandarevery usefulforrepresentingorganicobjects. aren't made upoflotsof 8