'Ray polygon intersection' presentation slideshows

Pipelines are for Whimps

Pipelines are for Whimps. Raycasting , Raytracing , and Hardcore Rendering. Ray Casting. Definition Time There are two definitions of Ray Casting The Old and the New The old was related to 3D games back in the Wolfenstein / Doom 1 Era. Where gameplay was on a 2D platform

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An Introduction to Ray Tracing

An Introduction to Ray Tracing. Photo-Realism. Introduction. What is Ray Tracing? Ray Tracing is a global illumination based rendering method for generating realistic images on the computer In ray tracing, a ray of light is traced in a backwards direction.

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Hidden surface removal

Hidden surface removal. Clipping algorithms will discard objects or parts of objects that are outside of the viewing volume But, that does not solve the problem of one objects blocking the view of another object Hidden surface algorithms deal with this problem

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CS 551/651: Advanced Computer Graphics

CS 551/651: Advanced Computer Graphics. Accelerating Ray Tracing. Ray-Sphere Intersection. Ray R = O + tD x = O x + t * D x y = O y + t * D y z = O z + t * D z Sphere at ( l, m, n ) of radius r is: ( x - l ) 2 + ( y - m ) 2 + ( z - n ) 2 = r 2

222 views • 15 slides