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[client] spice: use modf in cursorToInt for fractional tracking

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Geoffrey McRae 2021-01-12 11:48:29 +11:00
parent 78bd41716a
commit 8365419262
1 changed files with 7 additions and 6 deletions
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13
client/src/main.c
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@ -874,12 +874,13 @@ static void cursorToInt(double ex, double ey, int *x, int *y)
} }
/* convert to int accumulating the fractional error */ /* convert to int accumulating the fractional error */
g_cursor.acc.x += ex; ex += g_cursor.acc.x;
g_cursor.acc.y += ey; ey += g_cursor.acc.y;
*x = floor(g_cursor.acc.x); g_cursor.acc.x = modf(ex, &ex);
*y = floor(g_cursor.acc.y); g_cursor.acc.y = modf(ey, &ey);
g_cursor.acc.x -= *x;
g_cursor.acc.y -= *y; *x = (int)ex;
*y = (int)ey;
} }
static void handleMouseGrabbed(double ex, double ey) static void handleMouseGrabbed(double ex, double ey)