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Man Pages


Manual Reference Pages  -  AL_CALCULATE_RIBBON (3)

NAME

al_calculate_ribbon - Allegro 5 API

CONTENTS

Synopsis
Description
See Also

SYNOPSIS

C]
#include <allegro5/allegro_primitives.h>

void al_calculate_ribbon(float* dest, int dest_stride, const float *points, int points_stride, float thickness, int num_segments) ]

DESCRIPTION

Calculates a ribbon given an array of points. The ribbon will go through all of the passed points. If C]thickness <= 0], then C]num_segments] of points are required in the destination buffer, otherwise twice as many are needed. The destination and the points buffer should consist of regularly spaced doublets of floats, corresponding to x and y coordinates of the vertices.

I]Parameters:]
[bu] dest - Pointer to the destination buffer
[bu] dest_stride - Distance (in bytes) between starts of successive pairs of coordinates in the destination buffer
[bu] points - An array of pairs of coordinates for each point
[bu] points_stride - Distance (in bytes) between starts successive pairs of coordinates in the points buffer
[bu] thickness - Thickness of the spline ribbon
[bu] num_segments - The number of points to calculate

SEE ALSO

al_draw_ribbon(3), al_calculate_arc(3), al_calculate_spline(3)

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Allegro reference manual AL_CALCULATE_RIBBON (3)

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