MutableTriangle

Kotlin |Java

class MutableTriangle : Triangle

kotlin.Any
↳	androidx.ink.geometry.Triangle
	↳	androidx.ink.geometry.MutableTriangle

Represents a mutable triangle, defined by its three corners p0, p1 and p2 in order. See ImmutableTriangle for the immutable version.

Summary

Public constructors
`MutableTriangle()` Constructs a degenerate `MutableTriangle` with `p0`, `p1`, and `p2` set to (0, 0).
`MutableTriangle(p0: MutableVec, p1: MutableVec, p2: MutableVec)` Create the `MutableTriangle` from three existing `MutableVec` instances.

Public functions
`open operator Boolean`	`equals(other: Any?)` Equality for `MutableTriangle` is defined using the order in which `p0`, `p1` and `p2` are defined.
`open Int`	`hashCode()`
`MutableTriangle`	`populateFrom(input: Triangle)` Copies the points from `input` to this `MutableTriangle` and returns `this`.
`open String`	`toString()`

Public properties
`open MutableVec`	`p0` One of the three points that define the `Triangle`.
`open MutableVec`	`p1` One of the three points that define the `Triangle`.
`open MutableVec`	`p2` One of the three points that define the `Triangle`.

Inherited functions

From androidx.ink.geometry.Triangle

`ImmutableBox`	`computeBoundingBox()` Returns the minimum bounding box containing the `Triangle`.
`MutableBox`	`computeBoundingBox(outBox: MutableBox)` Populates `outBox` with the minimum bounding box containing the `Triangle` and returns `outBox`.
`ImmutableSegment`	`computeEdge(index: @IntRange(from = 0, to = 2) Int)` Returns the segment of the Triangle between the point at `index` and the point at `index` + 1 modulo 3.
`MutableSegment`	`computeEdge(index: @IntRange(from = 0, to = 2) Int, outSegment: MutableSegment)` Fills `outSegment` with the segment of the Triangle between the point at `index` and the point at `index` + 1 modulo 3.
`Float`	`computeSignedArea()` Return the signed area of the `Triangle`.
`operator Boolean`	`contains(point: Vec)` Returns true if the given point is contained within the Triangle.
`Boolean`	`isAlmostEqual(other: Triangle, tolerance: @FloatRange(from = 0.0) Float)`

Public constructors

MutableTriangle

Added in 1.0.0-alpha04

MutableTriangle()

Constructs a degenerate MutableTriangle with p0, p1, and p2 set to (0, 0).

MutableTriangle

Added in 1.0.0-alpha04

MutableTriangle(p0: MutableVec, p1: MutableVec, p2: MutableVec)

Create the MutableTriangle from three existing MutableVec instances. Note that these instances will become the internal state of this MutableTriangle, so modifications made to them directly or through setters on this MutableTriangle will modify the input MutableVec instances too. This is to allow performance-critical code to avoid any unnecessary allocations. This can be tricky to manage, especially in multithreaded code, so when calling code is unable to guarantee ownership of the nested mutable data at a particular time, it may be safest to construct this with copies of the data to give this MutableTriangle exclusive ownership of those copies.

Public functions

equals

open operator fun equals(other: Any?): Boolean

Equality for MutableTriangle is defined using the order in which p0, p1 and p2 are defined. Rotated/flipped triangles with out-of-order vertices are not considered equal.

hashCode

open fun hashCode(): Int

populateFrom

Added in 1.0.0-alpha04

fun populateFrom(input: Triangle): MutableTriangle

Copies the points from input to this MutableTriangle and returns this.

toString

open fun toString(): String

Public properties

p0

open var p0: MutableVec

One of the three points that define the Triangle.

p1

open var p1: MutableVec

One of the three points that define the Triangle.

p2

open var p2: MutableVec

One of the three points that define the Triangle.