clearCachedConvexTrianglePillar method
Implementation
void clearCachedConvexTrianglePillar(
int xi,
int yi,
bool getUpperTriangle
) {
_cachedPillars.remove(getCacheConvexTrianglePillarKey(xi, yi, getUpperTriangle));//delete this._cachedPillars[getCacheConvexTrianglePillarKey(xi, yi, getUpperTriangle)];
}