22 research outputs found
Collision Detection in Computer Graphics
Å ajÄ darbÄ ir pÄtÄ«ta sistÄma kustÄ«gu objektu reÄlistiskai attÄloÅ”anai. SistÄmu var izmantot dažÄdiem mÄrÄ·iem ar minimÄlÄm izmaiÅÄm: no ÄtrÄm dinamiskÄm datorspÄlÄm lÄ«dz precÄ«ziem dinamikas aprÄÄ·iniem zinÄtniskai modelÄÅ”anai.
KvalitatÄ«vas grafikas pamatÄ ir fizisks modelis, kas palÄ«dz reÄlistiski animÄt attÄlu. Å ajÄ darbÄ ir pÄtÄ«ta viena no metodÄm, kuras bÅ«tÄ«ba ir Ä·ermeÅu attÄloÅ”ana cietu daudzskaldÅu veidÄ. Fizikas modelÄÅ”ana sadalÄs trijÄs problÄmÄs: Ä·ermeÅu kustÄ«bas trajektorijas aprÄÄ·inÄÅ”ana (kinemÄtika), kolÄ«zijas (Ä·ermeÅu sadursmes) pÄrbaude un Ä·ermeÅu Ätrumu izmaiÅas pÄc sadursmes. UzrakstÄ«ta viena no iespÄjamÄm universÄlas programmas realizÄcijÄm, kurÄ izmanto aprakstÄ«to fizikas modelÄÅ”anas metodi un paplaÅ”inÄmÄ«bas principu.In this work is described system modeling for realistic rigid body dynamics rendering. System can be used in different purposes with minimal changes: from fast and flexible dynamics in computer games to precise dynamics calculation for scientific modeling.
Physic model is base of high-quality computer graphics. This model animates image. In my work I describe one of the methods which consist of representation of objects in the form of rigid polyhedron. Modeling divides into three problems: object trajectory calculations (kinematics), collision detection and objects velocity calculations after collision has occurred. One of possible realization of universal program was created, which uses described physic model and expansibility principle