njCardinalSpline Japanese
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Cardinal spline correction function

Syntax

#include <Ninja.h>
void  njCardinalSpline(float *idata, float *odata, NJS_SPLINE *attr, float frame);
float       *idata
float       *odata
NJS_SPLINE  *attr
float       frame

Arguments

idata
Input data (but idata[3*4])
odata
Output data (but odata[3])
attr
Spline attribute
frame
Frame

Return Value

None

Error

None

Description

Spline curve correction value is stored in the specified argument.
Please set the frame number to a value between 0 and 1.
For the attributes, please specify tension at the fparam member
(attr->fparam[0]) of the spline attribute structure.

Usage Example

#include <NINJA.H> 
#define X1    1.f
#define Y1    0.f
#define Z1    0.f
#define X2    5.f
#define  TENSION  0.2f
...........

float idata[3][4] = 
{
  {X1, Y1, Z1},
  {X2, Y2, Z2},
  {X3, Y3, Z3},
  {X4, Y4, Z4},
};
float odata[3];
NJS_SPLINE  attr;

...........
attr.fparam[0] = TENSION;
njCardinalSpline((float*)idata, odata, &attr, 0.5f); 
...........

Remark

None

Related Items

njOverhauserSpline
njKochanekSpline

njCardinalSpline
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Copyright SEGA ENTERPRISES, LTD., 1997