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Updated Minecraft Classic lava animation algorithm. (markdown)

UnknownShadow200 2017-01-31 10:19:48 +11:00
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Minecraft-Classic-lava-animation-algorithm..md

@ -1,5 +1,5 @@
From goodlyay's dropbox _From goodlyay's dropbox_
```
Huge thanks to my dad (John Alvarado) for doing most of the work in figuring this out. Huge thanks to my dad (John Alvarado) for doing most of the work in figuring this out.
The algorithm uses a 3-layer cellular automata to simulate a dynamic heated fluid. The algorithm uses a 3-layer cellular automata to simulate a dynamic heated fluid.
@ -14,8 +14,10 @@ The second layer represents the potHeat,
The third layer represents the soupHeat. The third layer represents the soupHeat.
All of these array values start at 0 when the game starts and are updated every frame. All of these array values start at 0 when the game starts and are updated every frame
### Lava
---
Each frame, for every position in the lava texture array, it calculates the corresponding values of the soupHeat, potHeat, and flameHeat layers as follows: Each frame, for every position in the lava texture array, it calculates the corresponding values of the soupHeat, potHeat, and flameHeat layers as follows:
@ -51,29 +53,9 @@ After the above arrays are updated, for every pixel in the lava texture, it calc
Finally, it converts the red green and blue to bytes and assigns them to the texture Finally, it converts the red green and blue to bytes and assigns them to the texture
-----------------------------------------------------------------------------
Water:
This is VERY similar to lava, with a few minor differences. We'll keep the same variable names. ### Water
---
The first layer represents the flameHeat (This can be negative.),
The second layer represents the potHeat,
The third layer represents the soupHeat.
All of these array values start at 0 when the game starts and are updated every frame.
Each frame, for every position in the water texture array, it calculates the corresponding values of the soupHeat, potHeat, and flameHeat layers as follows: Each frame, for every position in the water texture array, it calculates the corresponding values of the soupHeat, potHeat, and flameHeat layers as follows:
@ -104,5 +86,4 @@ After the above arrays are updated, for every pixel in the water texture, it cal
float blue = 255 float blue = 255
float alpha = 146 + colorHeat^2 * 50 float alpha = 146 + colorHeat^2 * 50
Finally, it converts the red green and blue to bytes and assigns them to the texture Finally, it converts the red green and blue to bytes and assigns them to the texture
```