XMUBYTE4::XMUBYTE4(constuint8_t*) function (directxpackedvector.h)

Article
02/22/2024

Initializes a new instance of XMUBYTE4 from a four element float array argument.

This constructor initializes a new instance of XMUBYTE4 from a four element float array argument.

Note This constructor is only available under C++.

Syntax

void XMUBYTE4(
  const uint8_t *pArray
) noexcept;

Parameters

pArray

Four element float array containing the values used to initialize the four components of a new instance of XMUBYTE4.

Return value

None

Remarks

The magnitude of each member of the pArray argument to the constructor will be clamped to the range supported by an 8-bit signed integer [0.0, 255.0].

The following pseudocode demonstrates the operation of this constructor:

XMUBYTE4 instance;

instance.x = (uint8_t)min( max( pArray[0] 0.0 ), 255.0 );
instance.y = (uint8_t)min( max( pArray[1] 0.0 ), 255.0 );
instance.z = (uint8_t)min( max( pArray[2] 0.0 ), 255.0 );
instance.w = (uint8_t)min( max( pArray[3] 0.0 ), 255.0 );

Requirements

Requirement	Value
Target Platform	Windows
Header	directxpackedvector.h