https://github.com/flandredaisuki/advcg-final

https://github.com/flandredaisuki/advcg-final

Last synced: 25 days ago
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• Host: GitHub
• URL: https://github.com/flandredaisuki/advcg-final
• Owner: FlandreDaisuki
• Created: 2015-06-15T16:47:42.000Z (over 9 years ago)
• Default Branch: master
• Last Pushed: 2015-07-05T18:02:39.000Z (over 9 years ago)
• Last Synced: 2023-02-28T14:23:47.773Z (over 1 year ago)
• Language: JavaScript
• Size: 410 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# AdvCG-Final

Many code from [three.js](https://github.com/mrdoob/three.js/)

The simplest implementation of Photon mapping.

# Result

Default Material

- color: 0x000000

- glossyFactor: 0

- Kd = Ka = Ks : 1, 1, 1

## Exp1: glossyFactor

- 100000 times random spread photons

- collection range: 5

Sphere Material

- Sphere color: 0, 0, 1

- Sphere Ka: 0.5, 0.5, 0.5

- Sphere Kd: 0.05, 0.05, 0.05

- Sphere Ks: 0.5, 0.5, 0.5

![](./img/x1.png)

10532 photons collected

render time: 93.978 seconds

Sphere glossyFactor: 8

![](./img/x2.png)

10481 photons collected

render time: 91.478 seconds

Sphere glossyFactor: 16

![](./img/x3.png)

10288 photons collected

render time: 90.121 seconds

Sphere glossyFactor: 32

## Exp2: Photons Number

- collection range: 5

Sphere Material

- Sphere color: 0, 0, 1

- Sphere Ka: 0.5, 0.5, 0.5

- Sphere Kd: 0.05, 0.05, 0.05

- Sphere Ks: 0.5, 0.5, 0.5

- Sphere glossyFactor: 32

![](./img/x3.png)

100000 times random spread photons (10288 photons collected)

render time: 90.121 seconds

![](./img/xx2.png)

200000 times random spread photons (20944 photons collected)

render time: 184.383 seconds

![](./img/xx3.png)

300000 times random spread photons (31427 photons collected)

render time: 287.818 seconds

# Lisence

The MIT License