2D point with `x` and `z`

Introduced properties

fun atan2(other: Point[N]): Float

geometry :: Point :: atan2

Arctangent function using the difference between self and other as trigonometric ratio

init defaultinit(x: nullable N, y: nullable N)

geometry :: Point :: defaultinit

fun x=(x: nullable N)

geometry :: Point :: x=

fun y=(y: nullable N)

geometry :: Point :: y=

Redefined properties

redef type SELF: Point[N]

geometry $ Point :: SELF

Type of this instance, automatically specialized in every class

redef fun core_serialize_to(v: Serializer)

geometry $ Point :: core_serialize_to

Actual serialization of self to serializer

redef init from_deserializer(v: Deserializer)

geometry $ Point :: from_deserializer

Create an instance of this class from the deserializer

redef fun x: N

geometry $ Point :: x

Horizontal coordinate

redef fun y: N

geometry $ Point :: y

Vertical coordinate

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

protected fun accept_json_serializer(v: JsonSerializer)

serialization :: Serializable :: accept_json_serializer

Refinable service to customize the serialization of this class to JSON

protected fun accept_msgpack_attribute_counter(v: AttributeCounter)

serialization :: Serializable :: accept_msgpack_attribute_counter

Hook to customize the behavior of the AttributeCounter

protected fun accept_msgpack_serializer(v: MsgPackSerializer)

serialization :: Serializable :: accept_msgpack_serializer

Hook to customize the serialization of this class to MessagePack

protected fun add_to_bundle(bundle: NativeBundle, key: JavaString)

serialization :: Serializable :: add_to_bundle

Called by []= to dynamically choose the appropriate method according

fun atan2(other: Point[N]): Float

geometry :: Point :: atan2

Arctangent function using the difference between self and other as trigonometric ratio

abstract fun bottom: N

geometry :: Boxed :: bottom

Bottom bound

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.

fun contains(other: Boxed[N]): Bool

geometry :: Boxed :: contains

Is other contained within self?

fun core_serialize_to(serializer: Serializer)

serialization :: Serializable :: core_serialize_to

Actual serialization of self to serializer

init defaultinit

serialization :: Serializable :: defaultinit

init defaultinit

geometry :: IPoint :: defaultinit

init defaultinit(x: nullable N, y: nullable N)

geometry :: Point :: defaultinit

init defaultinit

geometry :: Boxed :: defaultinit

init defaultinit

core :: Object :: defaultinit

fun dist(other: Point[Numeric]): N

geometry :: IPoint :: dist

Distance with other

fun dist2(other: Point[Numeric]): N

geometry :: IPoint :: dist2

Square of the distance with other

init from_deserializer(deserializer: Deserializer)

serialization :: Serializable :: from_deserializer

Create an instance of this class from the deserializer

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".

fun intersects(other: Boxed[N]): Bool

geometry :: Boxed :: intersects

Does self intersect with other?

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.

abstract fun left: N

geometry :: Boxed :: left

Left bound

fun lerp(other: Point[Numeric], p: Float): Point[N]

geometry :: IPoint :: lerp

Linear interpolation between self and other at p out of 1.0

protected fun msgpack_extra_array_items: Int

serialization :: Serializable :: msgpack_extra_array_items

Hook to request a larger than usual metadata array

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 padded(dist: N): Box[N]

geometry :: Boxed :: padded

Create a bounding box that encloses the actual bounding box.

abstract fun right: N

geometry :: Boxed :: right

Right bound

fun serialization_hash: Int

core :: Object :: serialization_hash

Hash value use for serialization

fun serialize_msgpack(plain: nullable Bool): Bytes

serialization :: Serializable :: serialize_msgpack

Serialize self to MessagePack bytes

fun serialize_to(serializer: Serializer)

serialization :: Serializable :: serialize_to

Serialize self to serializer

fun serialize_to_json(plain: nullable Bool, pretty: nullable Bool): String

serialization :: Serializable :: serialize_to_json

Serialize self to JSON

intern fun sys: Sys

core :: Object :: sys

Return the global sys object, the only instance of the Sys class.

fun to_json: String

serialization :: Serializable :: to_json

Serialize self to plain JSON

abstract fun to_jvalue(env: JniEnv): JValue

core :: Object :: to_jvalue

fun to_pretty_json: String

serialization :: Serializable :: to_pretty_json

Serialize self to plain pretty JSON

fun to_s: String

core :: Object :: to_s

User readable representation of self.

abstract fun top: N

geometry :: Boxed :: top

Top bound

abstract fun x: N

geometry :: IPoint :: x

Horizontal coordinate

fun x=(x: nullable N)

geometry :: Point :: x=

abstract fun y: N

geometry :: IPoint :: y

Vertical coordinate

fun y=(y: nullable N)

geometry :: Point :: y=

Ancestors

interface Boxed[N: Numeric]

geometry :: Boxed

An 2d abstract bounded object

interface Object

The root of the class hierarchy.

interface Serializable

serialization :: Serializable

Instances of this class can be passed to Serializer::serialize

Parents

interface IPoint[N: Numeric]

geometry :: IPoint

Abstract 2d point, strongly linked to its implementation Point

Children

class Point3d[N: Numeric]

geometry :: Point3d

3D point with x, y and z

Class definitions

geometry $ Point

# 2D point with `x` and `z`
class Point[N: Numeric]
	super IPoint[N]

	redef var x: N = 0.0 is writable, optional
	redef var y: N = 0.0 is writable, optional
end

lib/geometry/points_and_lines.nit:116,1--122,3

geometry :: angles $ Point

redef class Point[N]
	# Arctangent function using the difference between `self` and `other` as trigonometric ratio
	#
	# Behave similarly to the toplevel `atan2` as it returns the angle in the appropriate quadrant.
	#
	# ~~~
	# var p0 = new Point[Float](0.0, 0.0)
	# var p1 = new Point[Float](1.0, 1.0)
	# assert p0.atan2(p1).is_approx(0.25*pi, 0.0001)
	# ~~~
	fun atan2(other: Point[N]): Float
	do
		var dx = other.x.to_f - x.to_f
		var dy = other.y.to_f - y.to_f
		return sys.atan2(dy.to_f, dx.to_f)
	end
end

lib/geometry/angles.nit:20,1--36,3

gamnit :: camera_control_android $ Point

redef class Point[N]
	private fun *(scalar: Numeric): Point[N]
	do return new Point[N](x.mul(scalar), y.mul(scalar))

	private fun +(other: Point[N]): Point[N]
	do return new Point[N](x.add(other.x), y.add(other.y))
end

lib/gamnit/camera_control_android.nit:86,1--92,3