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Fixed a bug in the 'encircles' routine

This commit is contained in:
Josh Yelon 2008-03-03 22:44:50 +00:00
parent 8d0c975486
commit 8c39891d66
1 changed files with 4 additions and 3 deletions
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7
panda/src/event/pointerEventList.cxx
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@ -138,11 +138,12 @@ encircles(int x, int y) const {
if (tot_events < 3) {
return false;
}
double dx = _events[0]._xpos - x;
double dy = _events[0]._ypos - y;
int last = tot_events-1;
double dx = _events[last]._xpos - x;
double dy = _events[last]._ypos - y;
double lastang = atan2(dy, dx) * (180.0/MathNumbers::pi);
double total = 0.0;
for (int i=1; (i<tot_events) && (total < 360.0) && (total > -360.0); i++) {
for (int i=last; (i>=0) && (total < 360.0) && (total > -360.0); i--) {
dx = _events[i]._xpos - x;
dy = _events[i]._ypos - y;
if ((dx==0.0)&&(dy==0.0)) {