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Math problem in 11th lesson
Author
All the problem in lesson 11,line 182
if( wiggle_count = 2 )
{
for( y = 0; y < 45; y++ )
{
hold=points[0][y][2];
for( x = 0; x < 44; x++)
{
points[x][y][2] = points[x+1][y][2];
}
points[44][y][2]=hold;
}
wiggle_count = 0;
}
yeah,i know,this is very important to make the wave goes on,but i am confused that,after the loop of Y,which from the 0 -> 45,how can we fresh the points[0][y][2],i think it had been taken by the points[1][y][2],that i think the inner loop of X.
i put the '//' before the 'hold=points[0][y][2];' and 'points[44][y][2]=hold;',and then there was only just one wave,why?
can anyone tell me how and where does NEHE refresh the points[0][y][2].
this line
points[x][y][2] = points[x+1][y][2];
x is 0 the first time in the x loop
'hold=points[0][y][2];' and 'points[44][y][2]=hold;' transfer the wave from one side to the other, if this is not done then the wave will die out as it goes from one end to the other.
points[x][y][2] = points[x+1][y][2];
x is 0 the first time in the x loop
'hold=points[0][y][2];' and 'points[44][y][2]=hold;' transfer the wave from one side to the other, if this is not done then the wave will die out as it goes from one end to the other.
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