class Polygon

geometry :: Polygon

A simple polygon

Introduced properties

Redefined properties

redef type SELF: Polygon

geometry $ Polygon :: SELF

Type of this instance, automatically specialized in every class

All properties

fun !=(other: nullable Object): Bool

core :: Object :: !=

Have self and other different values?
fun ==(other: nullable Object): Bool

core :: Object :: ==

Have self and other the same value?
type CLASS: Class[SELF]

core :: Object :: CLASS

The type of the class of self.
type SELF: Object

core :: Object :: SELF

Type of this instance, automatically specialized in every class
private var _points: Array[Point[Float]]

geometry :: APolygon :: _points

Vertices of this polygon
fun add_vertex(p: Point[Float]): Bool

geometry :: APolygon :: add_vertex

Add a vertex to self
private fun axes: Array[Point[Float]]

geometry :: APolygon :: axes

Returns the axes corresponding to the edges of the polygon, used for collision detection
protected fun class_factory(name: String): CLASS

core :: Object :: class_factory

Implementation used by get_class to create the specific class.
fun class_name: String

core :: Object :: class_name

The class name of the object.
abstract fun contain(p: Point[Float]): Bool

geometry :: APolygon :: contain

Is p contained in self ?
fun delete_vertex(p: Point[Float])

geometry :: APolygon :: delete_vertex

Remove p from the vertices, keeping at least 3 vertices
fun get_class: CLASS

core :: Object :: get_class

The meta-object representing the dynamic type of self.
fun hash: Int

core :: Object :: hash

The hash code of the object.
init init

core :: Object :: init

fun inspect: String

core :: Object :: inspect

Developer readable representation of self.
protected fun inspect_head: String

core :: Object :: inspect_head

Return "CLASSNAME:#OBJECTID".
abstract fun intersects(other: APolygon): Bool

geometry :: APolygon :: intersects

Does self intersects with other
fun is_convex: Bool

geometry :: APolygon :: is_convex

Is self convex ?
intern fun is_same_instance(other: nullable Object): Bool

core :: Object :: is_same_instance

Return true if self and other are the same instance (i.e. same identity).
fun is_same_serialized(other: nullable Object): Bool

core :: Object :: is_same_serialized

Is self the same as other in a serialization context?
intern fun is_same_type(other: Object): Bool

core :: Object :: is_same_type

Return true if self and other have the same dynamic type.
private intern fun native_class_name: CString

core :: Object :: native_class_name

The class name of the object in CString format.
intern fun object_id: Int

core :: Object :: object_id

An internal hash code for the object based on its identity.
fun output

core :: Object :: output

Display self on stdout (debug only).
intern fun output_class_name

core :: Object :: output_class_name

Display class name on stdout (debug only).
fun points: Array[Point[Float]]

geometry :: APolygon :: points

Vertices of this polygon
protected fun points=(points: Array[Point[Float]])

geometry :: APolygon :: points=

Vertices of this polygon
private fun project(axis: Point[Float]): Projection

geometry :: APolygon :: project

Generate a projection of an edge of the polygon on a given axis
fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization
fun sort_ccw

geometry :: APolygon :: sort_ccw

Sort the vertices in counter clockwise order
fun sort_cw

geometry :: APolygon :: sort_cw

Sort the vertices in clockwise order
intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.
abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_s: String

core :: Object :: to_s

User readable representation of self.
private fun vertices: Array[Array[Float]]

geometry :: APolygon :: vertices

Get a matrice containing the coordinates of the vertices
private fun x_coordinates: Array[Float]

geometry :: APolygon :: x_coordinates

Get an array of the x coordinates of the vertices
private fun y_coordinates: Array[Float]

geometry :: APolygon :: y_coordinates

Get an array of the y coordinates of the vertices
package_diagram geometry::Polygon Polygon geometry::APolygon APolygon geometry::Polygon->geometry::APolygon core::Object Object geometry::APolygon->core::Object ...core::Object ... ...core::Object->core::Object

Ancestors

interface Object

core :: Object

The root of the class hierarchy.

Parents

abstract class APolygon

geometry :: APolygon

Abstraction of a Polygon

Class definitions

geometry $ Polygon 
# A simple polygon
class Polygon
	super APolygon
	# TODO: implement algorithms for concave polygons ?
end
lib/geometry/polygon.nit:156,1--160,3
Nit tools. Version .