THE PORTAL

ABOUT THE IMAGE

The portal

It was a dark and cold night when Willy the wizard decided to go to take a Beer with his friend Merlin and Gandalf. After some time (and many pints) it came the time to go home. Unfortunatelly Willy was too drunk to drive his nimbus 2000 (in the Wizards'world there are very stict rules about alcohol consumption). So he decided to use a portal. The image shows Willy outside the bar just before he jumps into the portal.

480x270 image

1920x1080 image

TECHNIQUES

We think we should win the competition because we have added the following functionalities:

Multithreading

Environment maps

Scene-to-Scene portal

Same-scene portal*

* -> the following functionality has not been used in the final rendering

We thought it would be cool to expand our framework to make it possible to have multiple scenes each with its own lights and objects interact toghether. We have therefore implemented 2 classes of portals:

Same-scene portal used to modify origin and direction of an intersecting ray to a new origin and a new direction inside the same scene.

Scene-to-Scene portal used to make different scenes interact together. Using this functionality we can define as many scenes as we want and construct the final scene by combining them all throught portals. Each scene has its own lights and objects, the recursive ray tracer automatically renders the scene using the relevant lights for a given pixel.

REFERENCES

REFERENCES

Here are the references of the assets we have used:

Environment map portal scene

MushroomHouse

Hill

Night sky texture

Pub

Right Building

Left Building

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Gianluca De Stefano
Tom Georg Fischer