def detect2DCollision(lineSegment, polygon):
#(lineSegment:LineSegment) (polygon:Polygon) =
# // Check characteristics of the shapes
# assertGreaterEqualTo "sides" (float polygon.Length) "3 sides" 3.0
# http://stackoverflow.com/questions/12222700/determine-if-line-segment-is-inside-polygon
# first, sort a polygon. Here, polygons are assumed to be sorted already
# // Gather the sides for the polygon
polygonSides = []
for i in range(len(polygon)):
if i == len(polygon) - 1:
endPoint = polygon[0]
else:
endPoint = polygon[i + 1]
polygonSides.append(Spatial.LineSegment(polygon[i], endPoint))
axes = polygonSides
axes.append(lineSegment)
axes = [
Spatial.toUnitVector(
Spatial.toNormalVector(
Spatial.calculateLocationDifference(v.Location1, v.Location2)))
for v in axes
]
# // Check for separation between objects
separationExists = False
for axis in axes:
polyProj = projectPolygonOntoAxis(polygon, axis)
lineSegmentProj = projectSegmentOntoAxis(lineSegment, axis)
#// Do gaps exist between max/min intervals?
if polyProj.Min > lineSegmentProj.Max or lineSegmentProj.Min > polyProj.Max:
separationExists = True
return not separationExists
def calculateMovement(coreFunctions, parameters, weather, state, instruction):
# (coreFunctions:SimulationCoreFunctions)
# (parameters:FlightParameters)
# (weather:WeatherState) (state:FlightState) (instruction:Instruction)
time = parameters.ActualGateDepartureTime + state.TimeElapsed*1.0 # <Time/Hours>
currentPosition = state.AircraftPosition
altitude = Spatial.positionToAltitude(currentPosition)
grossWeight = coreFunctions.WeightModel(parameters, state)
(destination, instructedAirSpeed) = instruction
currentLocation = Spatial.positionToLocation(currentPosition)
destinationLocation = Spatial.positionToLocation(destination)
destinationAltitude = coreFunctions.AltitudeLimiter(grossWeight,
Spatial.positionToAltitude(destination))
airSpeed = coreFunctions.AirSpeedLimiter(
parameters.AircraftType.MaximumMachSpeed,
grossWeight, altitude, instructedAirSpeed)
deltaVector = Spatial.calculateLocationDifference(currentLocation, destinationLocation)
distance = Spatial.calculateDistance1(currentLocation, destinationLocation)
if distance <= 0.0 :
zeroGroundSpeed = Spatial.Vector(0.0, 0.0)
return (0.0, zeroGroundSpeed, 0.0, 0.0, 0.0, [])
else:
#windVector = getWindVelocity(weather, time, currentPosition)
windVector = Weather.zeroWindVelocity
groundSpeed = Movement.calculateGroundVelocity(airSpeed,
Spatial.calculateRadians(deltaVector),
windVector)
groundVector = Movement.rescale(deltaVector, groundSpeed)
(cruiseBurn, verticalCruiseFuelDiff, verticalVelocity) = \
coreFunctions.FuelModel(FuelModel.flightFunctions, grossWeight, altitude,
airSpeed,
FlightTypes.getVerticalState(altitude, destinationAltitude))
return (cruiseBurn, groundVector, verticalCruiseFuelDiff, verticalVelocity, airSpeed, [])
def calculateMovement(coreFunctions, parameters, weather, state, instruction):
# (coreFunctions:SimulationCoreFunctions)
# (parameters:FlightParameters)
# (weather:WeatherState) (state:FlightState) (instruction:Instruction)
time = parameters.ActualGateDepartureTime + state.TimeElapsed * 1.0 # <Time/Hours>
currentPosition = state.AircraftPosition
altitude = Spatial.positionToAltitude(currentPosition)
grossWeight = coreFunctions.WeightModel(parameters, state)
(destination, instructedAirSpeed) = instruction
currentLocation = Spatial.positionToLocation(currentPosition)
destinationLocation = Spatial.positionToLocation(destination)
destinationAltitude = coreFunctions.AltitudeLimiter(
grossWeight, Spatial.positionToAltitude(destination))
airSpeed = coreFunctions.AirSpeedLimiter(
parameters.AircraftType.MaximumMachSpeed, grossWeight, altitude,
instructedAirSpeed)
deltaVector = Spatial.calculateLocationDifference(currentLocation,
destinationLocation)
distance = Spatial.calculateDistance1(currentLocation, destinationLocation)
if distance <= 0.0:
zeroGroundSpeed = Spatial.Vector(0.0, 0.0)
return (0.0, zeroGroundSpeed, 0.0, 0.0, 0.0, [])
else:
#windVector = getWindVelocity(weather, time, currentPosition)
windVector = Weather.zeroWindVelocity
groundSpeed = Movement.calculateGroundVelocity(
airSpeed, Spatial.calculateRadians(deltaVector), windVector)
groundVector = Movement.rescale(deltaVector, groundSpeed)
(cruiseBurn, verticalCruiseFuelDiff, verticalVelocity) = \
coreFunctions.FuelModel(FuelModel.flightFunctions, grossWeight, altitude,
airSpeed,
FlightTypes.getVerticalState(altitude, destinationAltitude))
return (cruiseBurn, groundVector, verticalCruiseFuelDiff,
verticalVelocity, airSpeed, [])