sio2_ipocurve.cc File Reference

#include "sio2.h"

Include dependency graph for sio2_ipocurve.cc:

Functions
SIO2ipocurve *	sio2IpoCurveInit (void)
SIO2ipocurve *	sio2IpoCurveFree (SIO2ipocurve *_SIO2ipocurve)
float	sio2IpoCurveRender (SIO2ipocurve *_SIO2ipocurve, SIO2window *_SIO2window)
float	sio2IpoCurveReset (SIO2ipocurve *_SIO2ipocurve)
void	sio2IpoCurveGetRatio (SIO2ipocurve *_SIO2ipocurve)

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Function Documentation

SIO2ipocurve* sio2IpoCurveFree

(

SIO2ipocurve *

_SIO2ipocurve

)

Free an SIO2ipocurve.

return a NULL SIO2ipocurve structure pointer.

References SIO2ipocurve::point.

Referenced by sio2IpoFree().

void sio2IpoCurveGetRatio

(

SIO2ipocurve *

_SIO2ipocurve

)

Get the time ratio that should be used between two adjacent points on the SIO2ipocurve.

_SIO2ipocurve: The valid SIO2ipocurve pointer to be reset.

References SIO2ipocurve::curr_point, bez3::knot, SIO2ipocurve::point, SIO2ipocurve::t_ratio, SIO2ipocurve::tv_ratio, SIO2ipocurve::v_ratio, SIO2ipocurve::value, vec2::x, and vec2::y.

Referenced by sio2IpoCurveRender(), and sio2IpoCurveReset().

SIO2ipocurve* sio2IpoCurveInit

(

void

)

Create a new SIO2ipocurve, associated to an SIO2ipo structure.

return a new SIO2ipocurve structure pointer.

Referenced by sio2IpoLoad().

float sio2IpoCurveRender	(	SIO2ipocurve *	_SIO2ipocurve,
		SIO2window *	_SIO2window
	)

Render an SIO2ipocurve, calculating the interpolation of the curve based on the selected method. This method can be either one of the following values:

SIO2_IPO_CURVE_INTERPOLATION_CONSTANT
SIO2_IPO_CURVE_INTERPOLATION_LINEAR
SIO2_IPO_CURVE_INTERPOLATION_BEZIER

Upon completion of the SIO2ipocurve cycle the curve will continue to use on of the following extrapolation mode:

SIO2_IPO_CURVE_EXTRAPOLATION_CONSTANT
SIO2_IPO_CURVE_EXTRAPOLATION_EXTRAPOLATION
SIO2_IPO_CURVE_EXTRAPOLATION_CYCLIC
SIO2_IPO_CURVE_EXTRAPOLATION_CYCLIC_EXTRAPOLATION

_SIO2ipocurve: A valid SIO2ipocurve structure pointer.
_SIO2window: A valid SIO2window structure pointer used to increment the delta time of the SIO2ipocurve.

return the value of the current SIO2ipocurve.

References SIO2ipocurve::curr_point, SIO2window::d_time, SIO2ipocurve::d_time, SIO2ipocurve::extrapolation, bez3::hdl1, bez3::hdl2, SIO2ipocurve::interpolation, bez3::knot, SIO2ipocurve::n_point, SIO2ipocurve::point, SIO2_IPO_CURVE_EXTRAPOLATION_CYCLIC, SIO2_IPO_CURVE_EXTRAPOLATION_CYCLIC_EXTRAPOLATION, SIO2_IPO_CURVE_EXTRAPOLATION_EXTRAPOLATION, SIO2_IPO_CURVE_INTERPOLATION_BEZIER, SIO2_IPO_CURVE_INTERPOLATION_LINEAR, sio2CubicBezier(), sio2IpoCurveGetRatio(), sio2IpoCurveReset(), SIO2ipocurve::t_ratio, SIO2ipocurve::tv_ratio, SIO2ipocurve::value, and vec2::y.

Referenced by sio2IpoRender().

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float sio2IpoCurveReset

(

SIO2ipocurve *

_SIO2ipocurve

)

Reset an SIO2ipocurve back to its original point.

_SIO2ipocurve: The valid SIO2ipocurve pointer to be reset.

return the value of the current _SIO2ipocurve after beeing reset.

References SIO2ipocurve::curr_point, SIO2ipocurve::d_time, sio2IpoCurveGetRatio(), and SIO2ipocurve::value.

Referenced by sio2IpoCurveRender(), and sio2IpoReset().

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