a technique for generating an image by tracing the path of light through pixels in an image plane and simulating the effects of its encounters with virtual objects

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Efficiency - Cubemap or Raytraced reflection?

I'm an amateur in 3D game development. The thing I want to know is shading related. For reflection purpose, which will be the efficient way? Either "Realtime render to Cubemap" or "Ray trace based" ...
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230 views

BRDF and Spherical coordinate in ray tracing

I developed a ray tracer that use standard phong/blinn phong lighting model. Now I'm modifying it to support physically based rendering, so I'm implementing various BRDF models. At the moment I'm ...
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Ray tracing - glossy reflection

Here I am again with my ray tracer for ipad. Now I'm trying to add glossy reflection to an object. How do i implement it? I read some documentation online like these: ...
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A simple “beam tracing” simulation

I am trying to implement a simple beam tracing simulation. Basically it models the path of a beam within a pipe: In the picture, the beam starts emitting from p1, hitting the boundary at p2 and ...
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263 views

Ray-Triangle Intersection Detection using Barycentric Coordinates

I am attempting to convert the algorithm from http://www.cbloom.com/3d/techdocs/fast_ray_tri.txt to java code, but my solution does not function correctly. The only intentional change I made was for ...