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RoverKnight
RoverKnight wrote ...

2021/6/3

How to speed up Greenfoot/let it make use of more processing power?

RoverKnight RoverKnight

2021/6/3

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Hello, I just finished programming Conways Game of Life and wanted to do some runs with rather large worlds (~100x100 and bigger), but Greenfoot starts slowing down/struggling with worlds about 50x50 squares already, since every square is filled with a "death" actor, on which there may also be other actors. Is there any way to make Greenfoot run faster, or let it use the GPU?
danpost danpost

2021/6/3

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Here are some things that might help. Eliminate actors altogether. This will eliminate 10000 act calls and save a lot of memory space. Track state of "cells" in two arrays -- alternate the arrays between current and next state. Fill "cells" in background only when their state changes (avoids refilling of unchanged ones).
Super_Hippo Super_Hippo

2021/6/3

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The more actors you have, the slower your scenario will get, yes. In the case of Game of Life, there should be life in a cell or not. So there shouldn’t be more than one actor in a cell. However, you don’t need to use actors for the cells. Since each actor is only a boolean representation (or 0 and 1) showing with an image, you can also have an array in your world and draw the world background based on the 0’s and 1’s in the array.
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