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out of bounds error in case the display width is not multiple of 8

This commit is contained in:
Christian Kroll 2012-09-04 13:46:35 +00:00
parent bcb5e146ce
commit 92c4613cdb
1 changed files with 2 additions and 2 deletions
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4
animations/fpmath_patterns.c
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@ -413,7 +413,7 @@ typedef struct fixp_plasma_s
* function. Those results only need to be calculated for the first row of * function. Those results only need to be calculated for the first row of
* the current frame and are then reused for the remaining rows. * the current frame and are then reused for the remaining rows.
*/ */
fixp_t fFunc1[NUM_COLS]; fixp_t fFunc1[LINEBYTES * 8u];
/** /**
* This value is part of the formula for the second internal pattern * This value is part of the formula for the second internal pattern
* function. It needs to be calculated only once per frame. * function. It needs to be calculated only once per frame.
@ -460,7 +460,7 @@ static unsigned char fixAnimPlasma(unsigned char const x,
{ {
p->fFunc2CosArg = NUM_ROWS * fixCos(t) + fixScaleUp(NUM_ROWS); p->fFunc2CosArg = NUM_ROWS * fixCos(t) + fixScaleUp(NUM_ROWS);
p->fFunc2SinArg = NUM_COLS * fixSin(t) + fixScaleUp(NUM_COLS); p->fFunc2SinArg = NUM_COLS * fixSin(t) + fixScaleUp(NUM_COLS);
for (unsigned char i = NUM_COLS; i--;) for (unsigned char i = LINEBYTES * 8u; i--;)
{ {
p->fFunc1[i] = fixSin(fixMul(fixScaleUp(i), fPlasmaX) + t); p->fFunc1[i] = fixSin(fixMul(fixScaleUp(i), fPlasmaX) + t);
} }