RoyInterface / Exports / utils/RoyMeshLodHelper / RoyMeshLodHelper

Class: RoyMeshLodHelper

utils/RoyMeshLodHelper.RoyMeshLodHelper

Table of contents

Constructors

• constructor

Properties

• MAX_LEVEL_COUNT
• PRECOMPUTED_MASKS
• USHRT_MAX
• UCHAR_MAX

Methods

• wrapOctahedronNormalValue
• encodeOctahedronNormal
• decodeOctahedronNormal
• to_level
• is_equal
• is_degenerated
• generatePopBuffer

Constructors

constructor

• new RoyMeshLodHelper(): RoyMeshLodHelper

Returns

RoyMeshLodHelper

Properties

MAX_LEVEL_COUNT

▪ Static Private MAX_LEVEL_COUNT: number = 16

---

PRECOMPUTED_MASKS

▪ Static Private PRECOMPUTED_MASKS: number[]

---

USHRT_MAX

▪ Static Private USHRT_MAX: number = 0xffff

---

UCHAR_MAX

▪ Static Private UCHAR_MAX: number = 0xff

Methods

wrapOctahedronNormalValue

▸ wrapOctahedronNormalValue(v1, v2): number

Parameters

Name	Type
v1	number
v2	number

Returns

number

---

encodeOctahedronNormal

▸ encodeOctahedronNormal(normal, octNormal): void

Parameters

Name	Type
normal	Vec3
octNormal	Vec2

Returns

void

---

decodeOctahedronNormal

▸ decodeOctahedronNormal(octNormal, normal): void

Parameters

Name	Type
octNormal	Vec2
normal	Vec3

Returns

void

---

to_level

▸ to_level(val, level): number

Parameters

Name	Type
val	number
level	number

Returns

number

---

is_equal

▸ is_equal(r1, r2, level): boolean

Parameters

Name	Type
r1	Vec3
r2	Vec3
level	number

Returns

boolean

---

is_degenerated

▸ is_degenerated(r0, r1, r2, level): boolean

Parameters

Name	Type
r0	Vec3
r1	Vec3
r2	Vec3
level	number

Returns

boolean

---

generatePopBuffer

▸ generatePopBuffer(aabb, positionBufferData, positionBufferAttributeType, indexBufferData, indexOffset, indexCount): RoyLodLevelInfo

Parameters

Name	Type
aabb	AABB
positionBufferData	Float32Array
positionBufferAttributeType	VertexBuffer$AttributeType
indexBufferData	Uint16Array | Uint32Array
indexOffset	number
indexCount	number

Returns

RoyLodLevelInfo