Rectangle class

An axis-aligned rectangle defined by position and size.

The rectangle is defined by x, y (bottom-left corner), width, and height.

Implemented types

Constructors

Rectangle({required double x, required double y, required double width, required double height})
const
Rectangle.fromCenter({required Point center, required double width, required double height})
Create a rectangle from center point, width, and height
factory
Rectangle.fromPoints(Point a, Point b)
Create a rectangle from two opposite corner points
factory
Rectangle.square({required double x, required double y, required double size})
Create a square from bottom-left corner and side length
factory

Properties

area → double
Area of this shape.
no setteroverride
bottomLeft → Point
Bottom-left corner
no setter
bottomRight → Point
Bottom-right corner
no setter
center → Point
The center point of the rectangle
no setter
diagonal → double
Length of the diagonal
no setter
edges → List<Line>
The four edges of the rectangle
no setter
hashCode → int
The hash code for this object.
no setteroverride
height → double
Height of the rectangle
final
isSquare → bool
Whether this rectangle is a square
no setter
perimeter → double
Perimeter (circumference) of this shape.
no setteroverride
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
topLeft → Point
Top-left corner
no setter
topRight → Point
Top-right corner
no setter
vertices → List<Point>
The four corner points
no setter
width → double
Width of the rectangle
final
x → double
X coordinate of the bottom-left corner
final
y → double
Y coordinate of the bottom-left corner
final

Methods

contains(Point point) → bool
Check if a point is inside this rectangle
intersectsCircle(Circle circle) → bool
Check if a circle intersects this rectangle
intersectsLine(Line line) → bool
Check if a line segment intersects this rectangle
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
overlaps(Rectangle other) → bool
Check if this rectangle overlaps with another rectangle
rotate(double deg) → Rectangle
Rotate the shape by deg degrees
override
scale(double value) → Rectangle
scale the shape by value
override
toPolygon() → Polygon
Convert this rectangle to a Polygon
toString() → String
A string representation of this object.
override
translate({double x = 0, double y = 0}) → Rectangle
translate the shape with x in horizontally and y vertically
override

Operators

operator ==(Object other) → bool
The equality operator.
override