diff options
Diffstat (limited to 'engines/avalanche/lucerna2.cpp')
| -rw-r--r-- | engines/avalanche/lucerna2.cpp | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/engines/avalanche/lucerna2.cpp b/engines/avalanche/lucerna2.cpp index d6aab20c4f..d96bbbc5e0 100644 --- a/engines/avalanche/lucerna2.cpp +++ b/engines/avalanche/lucerna2.cpp @@ -1332,25 +1332,19 @@ void Lucerna::major_redraw() { } uint16 Lucerna::bearing(byte whichped) { -/* Returns the bearing from ped Whichped to Avvy, in degrees. */ - const double rad2deg = 180 / 3.14/*Pi*/; - - uint16 bearing_result; - { - pedtype &with = _vm->_gyro->peds[whichped]; - if (_vm->_trip->tr[0].x == with.x) - bearing_result = 0; /* This would cause a division by zero if we let it through. */ - else { - /* - bearing:=trunc(((arctan((_vm->_trip->tr[1].y-y)/(_vm->_trip->tr[1].x-x)))*rad2deg)+90) mod 360*/ + whichped--; // Different array indexes in Pascal and C. + + const double rad2deg = 180 / 3.14 /*Pi*/; - if (_vm->_trip->tr[0].x < with.x) - bearing_result = (atan(double((_vm->_trip->tr[0].y - with.y)) / (_vm->_trip->tr[0].x - with.x)) * rad2deg) + 90; - else - bearing_result = (atan(double((_vm->_trip->tr[0].y - with.y)) / (_vm->_trip->tr[0].x - with.x)) * rad2deg) + 270; - } - } - return bearing_result; + if (_vm->_trip->tr[0].x == _vm->_gyro->peds[whichped].x) + return 0; + else + if (_vm->_trip->tr[0].x < _vm->_gyro->peds[whichped].x) + return (atan(double((_vm->_trip->tr[0].y - _vm->_gyro->peds[whichped].y)) + / (_vm->_trip->tr[0].x - _vm->_gyro->peds[whichped].x)) * rad2deg) + 90; + else + return (atan(double((_vm->_trip->tr[0].y - _vm->_gyro->peds[whichped].y)) + / (_vm->_trip->tr[0].x - _vm->_gyro->peds[whichped].x)) * rad2deg) + 270; } void Lucerna::sprite_run() { |