| 125 |
|
|
| 126 |
|
printf("\nhand_paint polygon %s.hour_hand\n", name); |
| 127 |
|
printf("0\n0\n12\n"); |
| 128 |
< |
rvert(.06, -.03, -.03, hrot); |
| 129 |
< |
rvert(.06, .03, -.03, hrot); |
| 128 |
> |
rvert(.06, -.03, -.06, hrot); |
| 129 |
> |
rvert(.06, .03, -.06, hrot); |
| 130 |
|
rvert(.06, .025, .5, hrot); |
| 131 |
|
rvert(.06, -.025, .5, hrot); |
| 132 |
|
|
| 133 |
|
printf("\nhand_paint polygon %s.minute_hand\n", name); |
| 134 |
|
printf("0\n0\n12\n"); |
| 135 |
< |
rvert(.07, -.02, -.04, mrot); |
| 136 |
< |
rvert(.07, .02, -.04, mrot); |
| 135 |
> |
rvert(.07, -.02, -.1, mrot); |
| 136 |
> |
rvert(.07, .02, -.1, mrot); |
| 137 |
|
rvert(.07, .01, .9, mrot); |
| 138 |
|
rvert(.07, -.01, .9, mrot); |
| 139 |
|
} |
| 142 |
|
rvert(x, y, z, ang) /* print rotated vertex */ |
| 143 |
|
double x, y, z, ang; |
| 144 |
|
{ |
| 145 |
< |
double sa, ca; |
| 145 |
> |
static double lastang=0, sa=0, ca=1; |
| 146 |
|
|
| 147 |
< |
sa = sin(-ang); |
| 148 |
< |
ca = cos(-ang); |
| 147 |
> |
if (ang != lastang) { |
| 148 |
> |
sa = sin(-ang); |
| 149 |
> |
ca = cos(-ang); |
| 150 |
> |
lastang = ang; |
| 151 |
> |
} |
| 152 |
|
printf("%15.12g %15.12g %15.12g\n", x, y*ca-z*sa, z*ca+y*sa); |
| 153 |
|
} |
