GltfAccessorReader class final

Reads accessors out of the resolved glTF buffers.

The awkward parts of the format all live here: element stride may be declared on the buffer view rather than implied, integer components may be normalized to floats with a signed-specific rule, sparse accessors patch a subset of elements after the fact, and an accessor may have no buffer view at all (meaning all zeros, which is legal and used by sparse accessors).

Constructors

GltfAccessorReader({required Map<String, Object?> json, required List<Uint8List> buffers})

Properties

accessorCount → int
How many accessors the file declared.
no setter
buffers → List<Uint8List>
Buffers already resolved by GlbContainer.resolveBuffers, indexed the same way the glTF buffers array is.
final
hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

bytesOfBufferView(int index) → Uint8List
The bytes bufferViews[index] spans — for an extension that points at a buffer view directly rather than through an accessor, which is how KHR_draco_mesh_compression names its payload.
componentTypeOf(int accessorIndex) → GltfComponentType
countOf(int accessorIndex) → int
Number of elements in an accessor (not components).
hasBufferView(int accessorIndex) → bool
Whether accessorsaccessorIndex names a bufferView.
hasData(int accessorIndex) → bool
Whether reading accessorsaccessorIndex reads something — a buffer view of its own, or data handed to supplyDecoded.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
readAsFloats(int accessorIndex) → Float32List
Reads an accessor as floats, applying the normalization rule when set.
readAsUint32(int accessorIndex) → Uint32List
Reads an accessor as unsigned integers, for indices and joint references.
supplyDecoded(int accessorIndex, {Float32List? floats, List<int>? integers}) → void
Gives accessorsaccessorIndex its elements from outside the buffers.
toString() → String
A string representation of this object.
inherited
typeOf(int accessorIndex) → GltfAccessorType

Operators

operator ==(Object other) → bool
The equality operator.
inherited