1535 | | |
1536 | | void WorldObject::GetRandomContactPoint( const WorldObject* obj, float &x, float &y, float &z, float distance2dMin, float distance2dMax ) const |
1537 | | { |
1538 | | float object_size = obj->GetObjectSize();//here we use object_size to determine the angle offset, the bigger object the smaller angle offset, then this makes mob move naturally in visual. |
1539 | | //let assume 12.0f is the max size for object to have 0 angle offset. |
1540 | | float angle_offset_ratio = 1 - object_size/12.0f; |
1541 | | if (angle_offset_ratio < 0.05) angle_offset_ratio = 0.05; |
1542 | | // angle to face `obj` to `this`plus a random angle offset(from -90 degree to 90 degree)*angle_offset_ratio using distance from distance2dMin to distance2dMax includes size of `obj` |
1543 | | GetNearPoint(obj,x,y,z,object_size,distance2dMin+(distance2dMax-distance2dMin)*rand_norm(), GetAngle( obj ) + (M_PI/2 - M_PI * rand_norm()) * angle_offset_ratio); |
1544 | | } |