D3DXVEC3LENGTHSQ function
Returns the square of the length of the 3-D vector.
definition:
FLOAT D3DXVEC3LENGTHSQ (
Const D3DXVector3 * PV
);
parameter:
PV
[in] Point the source vector of the D3DXVECTOR3 structure.
return value:
Vector length square.
Function information:
HEADER
D3DX9Math.h
Import Library
D3DX9.LIB
Minimum operation systems
WINDOWS 98
Function related:
D3DXVEC3LENGTH
D3DXVEC3lerp function
Operate the linear interpolation of two 3-D vector.
definition:
D3DXVECTOR3 * D3DXVEC3LERP
D3DXVECTOR3 * Pout,
Const d3dxvector3 * pv1,
Const d3dxvector3 * pv2,
Float S
);
parameter:
pout
[IN, OUT] points to the operation result of the D3DXVECTOR3 structure.
PV1
[in] Point the source vector of the D3DXVECTOR3 structure.
PV2
[in] Point the source vector of the D3DXVECTOR3 structure.
s
[in] Two vector interpolation parameters.
return value:
Point linear interpolation results of the D3DxVector3 structure.
Description:
This function is linearly interpolated with the following formula: V1 S (V2-V1).
The function return value is the same as the POUT parameter. This allows the function D3DXVEC3lerp to use parameters of other functions.
Function information:
HEADER
D3DX9Math.h
Import Library
D3DX9.LIB
Minimum operation systems
WINDOWS 98
