How to resolve the algorithm Brownian tree step by step in the XPL0 programming language

Published on 12 May 2024 09:40 PM
#Xpl0

How to resolve the algorithm Brownian tree step by step in the XPL0 programming language

Table of Contents

Problem Statement

Generate and draw a   Brownian Tree.

A Brownian Tree is generated as a result of an initial seed, followed by the interaction of two processes. Because of the lax rules governing the random nature of the particle's placement and motion, no two resulting trees are really expected to be the same, or even necessarily have the same general shape.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Brownian tree step by step in the XPL0 programming language

Source code in the xpl0 programming language

include c:\cxpl\codes;  \intrinsic 'code' declarations
def W=128, H=W;         \width and height of field
int X, Y;
[SetVid($13);           \set 320x200 graphic video mode
Point(W/2, H/2, 6\brown\);               \place seed in center of field
loop    [repeat X:= Ran(W);  Y:= Ran(H); \inject particle
        until   ReadPix(X,Y) = 0;        \ in an empty location
        loop    [Point(X, Y, 6\brown\);  \show particle
                if ReadPix(X-1,Y) or ReadPix(X+1,Y) or \particle collided
                   ReadPix(X,Y-1) or ReadPix(X,Y+1) then quit;
                Point(X, Y, 0\black\);   \erase particle
                X:= X + Ran(3)-1;        \(Brownian) move particle
                Y:= Y + Ran(3)-1;
                if X<0 or X>=W or Y<0 or Y>=H then quit; \out of bounds
                ];
        if KeyHit then [SetVid(3);  quit]; \restore text mode
        ];
]

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