core/com.lehaine.littlekt.graphics.util/MeshBuilder

MeshBuilder

class MeshBuilder(val geometry: MeshGeometry)

A helper class to build common geometry within an MeshGeometry.

Based off: https://github.com/fabmax/kool/blob/main/kool-core/src/commonMain/kotlin/de/fabmax/kool/scene/geometry/MeshBuilder.kt

Parameters

geometry

the list to build the geometry to.

Constructors

MeshBuilder

fun MeshBuilder(geometry: MeshGeometry)

Types

CubeProps

class CubeProps

GridProps

class GridProps

Functions

addTriIndices

fun addTriIndices(i0: Int, i1: Int, i2: Int)

clear

fun clear()

cube

fun cube(props: MeshBuilder.CubeProps)

Generates a cube geometry.

inline fun cube(block: MeshBuilder.CubeProps.() -> Unit)

grid

fun grid(props: MeshBuilder.GridProps)

inline fun grid(block: MeshBuilder.GridProps.() -> Unit)

Generates a grid geometry.

identity

fun identity(): Mat4

rotate

fun rotate(angle: Angle, axis: Vec3f): Mat4

fun rotate(eulerX: Angle, eulerY: Angle, eulerZ: Angle): Mat4

fun rotate(angle: Angle, axX: Float, axY: Float, axZ: Float): Mat4

scale

fun scale(s: Float): Mat4

fun scale(x: Float, y: Float, z: Float): Mat4

translate

fun translate(t: Vec3f): Mat4

fun translate(x: Float, y: Float, z: Float): Mat4

vertex

inline fun vertex(block: VertexView.() -> Unit): Int

Add a vertex to the geometry.

fun vertex(pos: Vec3f, nrm: Vec3f, uv: Vec2f = Vec2f.ZERO): Int

Sets the vertex directly to the geometry.

withColor

inline fun withColor(color: Color, block: MeshBuilder.() -> Unit)

withTransform

inline fun withTransform(block: MeshBuilder.() -> Unit)

Pushes a transform and then pops outside the block.

Properties

color

var color: Color

geometry

val geometry: MeshGeometry

hasNormals

val hasNormals: Boolean

isInvertFaceOrientation

var isInvertFaceOrientation: Boolean = false

transform

val transform: Mat4Stack

vertexModFun

var vertexModFun: VertexView.() -> Unit? = null