class LineInterceptionCalculatorTest(TestCase):

    def setUp(self):
        self.lineCalculator = LineInterceptionCalculator()

    def test_twoLineWithoutIntersection(self):
        intersection = self.lineCalculator.findInterception((0,0), (100,0), (100,100), (200,100))
        self.assertEqual(intersection, False)

    def test_twoLineWithIntersection(self):
        intersection = self.lineCalculator.findInterception((0,0), (-10,-10), (0,0), (-10,10))
        theTrueIntersection = (0,0)
        self.assertEqual(intersection[0], theTrueIntersection[0])
        self.assertEqual(intersection[1], theTrueIntersection[1])
Exemple #2
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class LineInterceptionCalculatorTest(TestCase):
    def setUp(self):
        self.lineCalculator = LineInterceptionCalculator()

    def test_twoLineWithoutIntersection(self):
        intersection = self.lineCalculator.findInterception(
            (0, 0), (100, 0), (100, 100), (200, 100))
        self.assertEqual(intersection, False)

    def test_twoLineWithIntersection(self):
        intersection = self.lineCalculator.findInterception((0, 0), (-10, -10),
                                                            (0, 0), (-10, 10))
        theTrueIntersection = (0, 0)
        self.assertEqual(intersection[0], theTrueIntersection[0])
        self.assertEqual(intersection[1], theTrueIntersection[1])
 def __init__(self, graph):
     self.lineInterceptionCalculator = LineInterceptionCalculator()
     self.graph = graph
class LineOfSightCalculator:
    def __init__(self, graph):
        self.lineInterceptionCalculator = LineInterceptionCalculator()
        self.graph = graph

    def tryStraightLine(self, goodPaths):
        for compteurPath in range(0, goodPaths.__len__()):
            currentPath = goodPaths[compteurPath]
            nodesToBeRemoved = []
            compteurNode = 0

            while compteurNode < currentPath.__len__():
                currentNode = currentPath[compteurNode]
                compteurFinalNode = currentPath.__len__() - 1
                lineOfSight = False

                while compteurFinalNode > compteurNode + 1:
                    finalNode = currentPath[compteurFinalNode]
                    lineOfSight = self.__nodesHasLineOfSight(
                        currentNode, finalNode, lineOfSight)

                    if lineOfSight == True:
                        for compteurRemoved in range(compteurNode + 1,
                                                     compteurFinalNode):
                            nodesToBeRemoved.append(
                                currentPath[compteurRemoved])
                        compteurNode = compteurFinalNode - 1

                    compteurFinalNode += -1
                compteurNode += 1
            for compteurToBeRemoved in range(0, nodesToBeRemoved.__len__()):
                currentPath.remove(nodesToBeRemoved[compteurToBeRemoved])

    def __nodesHasLineOfSight(self, currentNode, finalNode, lineOfSight):
        topResult = True
        botResult = True
        leftResult = True
        rightResult = True
        for compteurObstacle in range(0, self.graph.obstaclesList.__len__()):
            currentObstacle = self.graph.obstaclesList[compteurObstacle]
            pointA1 = (currentNode.positionX, currentNode.positionY)
            pointA2 = (finalNode.positionX, finalNode.positionY)

            topResult = self.__hasCollisionWithTopSideOfObstacle(
                topResult, currentObstacle, pointA1, pointA2)
            botResult = self.__hasCollisionWithBottomSideOfObstacle(
                botResult, currentObstacle, pointA1, pointA2)
            leftResult = self.__hasCollisionWithLeftSideOfObstacle(
                currentObstacle, leftResult, pointA1, pointA2)
            rightResult = self.__hasCollisionWithRightSideOfObstacle(
                currentObstacle, pointA1, pointA2, rightResult)
        if topResult == True and botResult == True and leftResult == True and rightResult == True:
            lineOfSight = True
        return lineOfSight

    def __hasCollisionWithRightSideOfObstacle(self, currentObstacle, pointA1,
                                              pointA2, rightResult):
        pointB1 = (currentObstacle.positionX + self.graph.SAFE_MARGIN,
                   currentObstacle.positionY - self.graph.SAFE_MARGIN)
        pointB2 = (currentObstacle.positionX + self.graph.SAFE_MARGIN,
                   currentObstacle.positionY + self.graph.SAFE_MARGIN)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[1])
        intersection = self.lineInterceptionCalculator.findInterception(
            pointA1, pointA2, pointB1, pointB2)
        if intersection != False:
            if self.__isInYRange(intersection, sortedAPoints[0],
                                 sortedAPoints[1], pointB1, pointB2):
                rightResult = False
        return rightResult

    def __hasCollisionWithLeftSideOfObstacle(self, currentObstacle, leftResult,
                                             pointA1, pointA2):
        pointB1 = (currentObstacle.positionX - self.graph.SAFE_MARGIN,
                   currentObstacle.positionY - self.graph.SAFE_MARGIN)
        pointB2 = (currentObstacle.positionX - self.graph.SAFE_MARGIN,
                   currentObstacle.positionY + self.graph.SAFE_MARGIN)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[1])
        intersection = self.lineInterceptionCalculator.findInterception(
            pointA1, pointA2, pointB1, pointB2)
        if intersection != False:
            if self.__isInYRange(intersection, sortedAPoints[0],
                                 sortedAPoints[1], pointB1, pointB2):
                leftResult = False
        return leftResult

    def __hasCollisionWithBottomSideOfObstacle(self, botResult,
                                               currentObstacle, pointA1,
                                               pointA2):
        pointB1 = (currentObstacle.positionX - self.graph.SAFE_MARGIN,
                   currentObstacle.positionY + self.graph.SAFE_MARGIN)
        pointB2 = (currentObstacle.positionX + self.graph.SAFE_MARGIN,
                   currentObstacle.positionY + self.graph.SAFE_MARGIN)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[0])
        intersection = self.lineInterceptionCalculator.findInterception(
            pointA1, pointA2, pointB1, pointB2)
        if intersection != False:
            if self.__isInXRange(intersection, sortedAPoints[0],
                                 sortedAPoints[1], pointB1, pointB2):
                botResult = False
        return botResult

    def __hasCollisionWithTopSideOfObstacle(self, topResult, currentObstacle,
                                            pointA1, pointA2):
        pointB1 = (currentObstacle.positionX - self.graph.SAFE_MARGIN,
                   currentObstacle.positionY - self.graph.SAFE_MARGIN)
        pointB2 = (currentObstacle.positionX + self.graph.SAFE_MARGIN,
                   currentObstacle.positionY - self.graph.SAFE_MARGIN)
        intersection = self.lineInterceptionCalculator.findInterception(
            pointA1, pointA2, pointB1, pointB2)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[0])
        if intersection != False:
            if self.__isInXRange(intersection, sortedAPoints[0],
                                 sortedAPoints[1], pointB1, pointB2):
                topResult = False
        return topResult

    def __isInXRange(self, intersection, pointA1, pointA2, pointB1, pointB2):
        return (intersection[0] <= pointB2[0] and intersection[0] >= pointB1[0]
                ) and (intersection[0] <= pointA2[0]
                       and intersection[0] >= pointA1[0])

    def __isInYRange(self, intersection, pointA1, pointA2, pointB1, pointB2):
        return (intersection[1] <= pointB2[1] and intersection[1] >= pointB1[1]
                ) and (intersection[1] <= pointA2[1]
                       and intersection[1] >= pointA1[1])
Exemple #5
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 def setUp(self):
     self.lineCalculator = LineInterceptionCalculator()
 def setUp(self):
     self.lineCalculator = LineInterceptionCalculator()
 def __init__(self, graph):
     self.lineInterceptionCalculator = LineInterceptionCalculator()
     self.graph = graph
class LineOfSightCalculator:
    def __init__(self, graph):
        self.lineInterceptionCalculator = LineInterceptionCalculator()
        self.graph = graph


    def tryStraightLine(self, goodPaths):
        for compteurPath in range(0, goodPaths.__len__()):
            currentPath = goodPaths[compteurPath]
            nodesToBeRemoved = []
            compteurNode = 0

            while compteurNode < currentPath.__len__():
                currentNode = currentPath[compteurNode]
                compteurFinalNode = currentPath.__len__()-1
                lineOfSight = False

                while compteurFinalNode > compteurNode+1:
                    finalNode = currentPath[compteurFinalNode]
                    lineOfSight = self.__nodesHasLineOfSight(currentNode, finalNode, lineOfSight)

                    if lineOfSight == True:
                        for compteurRemoved in range(compteurNode+1, compteurFinalNode):
                            nodesToBeRemoved.append(currentPath[compteurRemoved])
                        compteurNode = compteurFinalNode -1

                    compteurFinalNode += -1
                compteurNode += 1
            for compteurToBeRemoved in range(0, nodesToBeRemoved.__len__()):
                currentPath.remove(nodesToBeRemoved[compteurToBeRemoved])


    def __nodesHasLineOfSight(self, currentNode, finalNode, lineOfSight):
        topResult = True
        botResult = True
        leftResult = True
        rightResult = True
        for compteurObstacle in range(0, self.graph.obstaclesList.__len__()):
            currentObstacle = self.graph.obstaclesList[compteurObstacle]
            pointA1 = (currentNode.positionX, currentNode.positionY)
            pointA2 = (finalNode.positionX, finalNode.positionY)

            topResult = self.__hasCollisionWithTopSideOfObstacle(topResult, currentObstacle, pointA1, pointA2)
            botResult = self.__hasCollisionWithBottomSideOfObstacle(botResult, currentObstacle, pointA1, pointA2)
            leftResult = self.__hasCollisionWithLeftSideOfObstacle(currentObstacle, leftResult, pointA1, pointA2)
            rightResult = self.__hasCollisionWithRightSideOfObstacle(currentObstacle, pointA1, pointA2, rightResult)
        if topResult == True and botResult == True and leftResult == True and rightResult == True:
            lineOfSight = True
        return lineOfSight


    def __hasCollisionWithRightSideOfObstacle(self, currentObstacle, pointA1, pointA2, rightResult):
        pointB1 = (
        currentObstacle.positionX + self.graph.SAFE_MARGIN, currentObstacle.positionY - self.graph.SAFE_MARGIN)
        pointB2 = (
        currentObstacle.positionX + self.graph.SAFE_MARGIN, currentObstacle.positionY + self.graph.SAFE_MARGIN)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[1])
        intersection = self.lineInterceptionCalculator.findInterception(pointA1, pointA2, pointB1, pointB2)
        if intersection != False:
            if self.__isInYRange(intersection, sortedAPoints[0], sortedAPoints[1], pointB1, pointB2):
                rightResult = False
        return rightResult


    def __hasCollisionWithLeftSideOfObstacle(self, currentObstacle, leftResult, pointA1, pointA2):
        pointB1 = (
        currentObstacle.positionX - self.graph.SAFE_MARGIN, currentObstacle.positionY - self.graph.SAFE_MARGIN)
        pointB2 = (
        currentObstacle.positionX - self.graph.SAFE_MARGIN, currentObstacle.positionY + self.graph.SAFE_MARGIN)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[1])
        intersection = self.lineInterceptionCalculator.findInterception(pointA1, pointA2, pointB1, pointB2)
        if intersection != False:
            if self.__isInYRange(intersection, sortedAPoints[0], sortedAPoints[1], pointB1, pointB2):
                leftResult = False
        return leftResult


    def __hasCollisionWithBottomSideOfObstacle(self, botResult, currentObstacle, pointA1, pointA2):
        pointB1 = (
        currentObstacle.positionX - self.graph.SAFE_MARGIN, currentObstacle.positionY + self.graph.SAFE_MARGIN)
        pointB2 = (
        currentObstacle.positionX + self.graph.SAFE_MARGIN, currentObstacle.positionY + self.graph.SAFE_MARGIN)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[0])
        intersection = self.lineInterceptionCalculator.findInterception(pointA1, pointA2, pointB1, pointB2)
        if intersection != False:
            if self.__isInXRange(intersection, sortedAPoints[0], sortedAPoints[1], pointB1, pointB2):
                botResult = False
        return botResult


    def __hasCollisionWithTopSideOfObstacle(self, topResult, currentObstacle, pointA1, pointA2):
        pointB1 = (currentObstacle.positionX - self.graph.SAFE_MARGIN, currentObstacle.positionY - self.graph.SAFE_MARGIN)
        pointB2 = (currentObstacle.positionX + self.graph.SAFE_MARGIN, currentObstacle.positionY - self.graph.SAFE_MARGIN)
        intersection = self.lineInterceptionCalculator.findInterception(pointA1, pointA2, pointB1, pointB2)
        sortedAPoints = [pointA1, pointA2]
        sortedAPoints.sort(key=lambda pointA: pointA[0])
        if intersection != False:
            if self.__isInXRange(intersection, sortedAPoints[0], sortedAPoints[1], pointB1, pointB2):
                topResult = False
        return topResult


    def __isInXRange(self,intersection, pointA1, pointA2, pointB1, pointB2):
        return (intersection[0] <= pointB2[0] and intersection[0] >= pointB1[0]) and (
                    intersection[0] <= pointA2[0] and intersection[0] >= pointA1[0])


    def __isInYRange(self,intersection, pointA1, pointA2, pointB1, pointB2):
        return (intersection[1] <= pointB2[1] and intersection[1] >= pointB1[1]) and (
                    intersection[1] <= pointA2[1] and intersection[1] >= pointA1[1])