XMU565::XMU565(constfloat*) function (directxpackedvector.h)
Initializes a new instance of XMU565 from a three element float array.
This constructor initializes a new instance of XMU565 from a three element float array.
Note This is only available for C++ based development.
Syntax
void XMU565(
const float *pArray
) noexcept;
Parameters
pArray
Three element floating point array containing the values used to initialize the x-, y- and z-components of a new instance of XMU565.
Return value
None
Remarks
Array elements and the _w argument are mapped to the vector components of a new instance of XMU565 as follows:
| XMU565 Member | Argument | Range |
|---|---|---|
| x | pArray[0] | 0.0, 31.0 |
| y | pArray[1] | 0.0, 63.0 |
| z | pArray[2] | 0.0, 31.0 |
Arguments to the constructors will be clamped to the permitted range prior to assignment to the appropriate member of XMU565.
The following pseudocode demonstrates the operation of this constructor, which takes union of the three components of the XMU565vector with an instance of uint16_t in the definition of the structure:
XMU565 instance;
_x1=min( max( pArray[0], 0.0 ), 31.0);
_y1=min( max( pArray[1], 0.0 ), 63.0 );
_z1=min( max( pArray[2], 0.0 ), 31.0 );
instance.v= ((z & 0x1F) << 11) |
((y & 0x3F) << 5) |
((x & 0x1F));
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | directxpackedvector.h |