def point_in_circle(point, circle): """Checks whether a point lies inside a circle (or on the boundary). point: Point object circle: Circle object """ d = distance_between_points(point, circle.center) print(d) return d <= circle.radius
def point_in_circle(point, circle): """Checks whether a point lies inside a circle (or on the boundary). point: Point object circle: Circle object """ d = distance_between_points(point, circle.center) print(d) return d <= circle.radius
def point_in_circle(point, circle): """Sprawdza, czy punkt położony jest wewnątrz koła (lub na jego granicy). point: obiekt Point circle: obiekt Circle """ d = distance_between_points(point, circle.center) print(d) return d <= circle.radius
def point_in_circle(point, circle): return distance_between_points(point, circle) >= circle.radius
class Point(object): point_one = Point() point_two = Point() point_one.x, point_one.y = 6.0, 1.0 point_two.x, point_two.y = 2.0, 6.0 def distance_between_points(p1, p2): delta_x = p2.x - p1.x delta_y = p2.y - p1.y return math.sqrt(delta_x ** 2 + delta_y ** 2) print("The distance between point one at (%g,%g)" % (point_one.x, point_one.y)), print("and point two at (%g,%g)" % (point_two.x, point_two.y)), print("is %.3f" % distance_between_points(point_one, point_two)) # 2. Write a function named move_rectangle that takes a Rectangle and two numbers named dx and dy. It should change # the location of the rectangle by adding dx to the x coordinate of corner and adding dy to the y coordinate of corner. class Point(object): class Rectangle(object): rectangle = Rectangle() bottom_left = Point() bottom_left.x = 3.0 bottom_left.y = 5.0 top_right = Point() top_right.x = 5.0 top_right.y = 10.0 rectangle.corner1 = bottom_left rectangle.corner2 = top_right dx = 5.0 dy = 12.0 def move_rectangle(rectangle, dx, dy): print ("The rectangle started with bottom left corner at (%g,%g)" % (rectangle.corner1.x, rectangle.corner1.y)), print ("and top right corner at (%g,%g)." % (rectangle.corner2.x, rectangle.corner2.y)), print("dx is %g and dy is %g" % (dx, dy)) rectangle.corner1.x = rectangle.corner1.x + dx rectangle.corner2.x = rectangle.corner2.x + dx rectangle.corner1.y = rectangle.corner1.y + dy rectangle.corner2.y = rectangle.corner2.y + dy print ("It ended with a bottom left corner at (%g,%g)" % (rectangle.corner1.x, rectangle.corner1.y)), print ("and a top right corner at (%g,%g)" % (rectangle.corner2.x, rectangle.corner2.y)) move_rectangle(rectangle, dx, dy) # 3. Work Exercise 15-1 at the end of Chapter 15. from Point1 import Rectangle, Point from Point1_soln import distance_between_points class Circle: def point_in_circle(point, circle): return distance_between_points(point, circle) >= circle.radius def rect_in_circle(rect, circle): # Upper left corner point = Point() point.x = rect.corner.x point.y = rect.corner.y if not point_in_circle(circle, point): return False # Upper right corner point = Point() point.x = rect.corner.x + rect.width point.y = rect.corner.y if not point_in_circle(circle, point): return False # Bottom left corner point = Point() point.x = rect.corner.x point.y = rect.corner.y - rect.height if not point_in_circle(circle, point): return False # Bottom right corner point = Point() point.x = rect.corner.x + rect.width point.y = rect.corner.y - rect.height if not point_in_circle(circle, point): return False return True def rect_circle_overlap(circle, rect): # top left corner point = Point() point.x = rect.corner.x point.y = rect.corner.y if point_in_circle(circle, point): return True point = Point() point.x = rect.corner.x + rect.width point.y = rect.corner.y if point_in_circle(circle, point): return True point = Point() point.x = rect.corner.x point.y = rect.corner.y - rect.height if point_in_circle(circle, point): return True point = Point() point.x = rect.corner.x + rect.width point.y = rect.corner.y - rect.height if point_in_circle(circle, point): return True return False def main(): center = Point() center.x = 10 center.y = 10 circle = Circle() circle.center = center circle.radius = 30 rect = Rectangle() rect.corner = Point() rect.corner.x = 10 rect.corner.y = 10 rect.width = 5 rect.height = 5 print(point_in_circle(circle, center)) print(rect_in_circle(circle, rect)) print(rect_circle_overlap(circle, rect))