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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5
votes
1answer
2k views

Fast pixelshader 2D raytracing

I'd like to do a simple 2D shadow calculation algorithm by rendering my environment into a texture, and then use raytracing to determine what pixels of the texture are not visible to the point light ...
2
votes
1answer
70 views

Ray tracing - draw polygon (square/bounded plane)

I'm going on with my own ray tracer as an iPad app for a school project. This is the result with soft shadow, antialiasing, pure reflective and pure transparent object: Now i want to change the ...
0
votes
0answers
32 views

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: ...