Linux and UNIX Man Pages

Linux & Unix Commands - Search Man Pages

do_circle(3alleg4) [opendarwin man page]

do_circle(3alleg4)						  Allegro manual						do_circle(3alleg4)

NAME
do_circle - Calculates all the points in a circle. Allegro game programming library. SYNOPSIS
#include <allegro.h> void do_circle(BITMAP *bmp, int x, int y, int radius, int d, void (*proc)(BITMAP *bmp, int x, int y, int d)); DESCRIPTION
Calculates all the points in a circle around point (x, y) with radius r, calling the supplied function for each one. This will be passed a copy of the bmp parameter, the x and y position, and a copy of the d parameter, so it is suitable for use with putpixel(). Example: void draw_explosion_ring(BITMAP *bmp, int x, int y, int d) { ... } do_circle(screen, SCREEN_W/2, SCREEN_H/2, SCREEN_H/16, flame_color, draw_explosion_ring); SEE ALSO
do_ellipse(3alleg4), do_arc(3alleg4), do_line(3alleg4), circle(3alleg4), circlefill(3alleg4) Allegro version 4.4.2 do_circle(3alleg4)

Check Out this Related Man Page

do_arc(3alleg4) 						  Allegro manual						   do_arc(3alleg4)

NAME
do_arc - Calculates all the points in a circular arc. Allegro game programming library. SYNOPSIS
#include <allegro.h> void do_arc(BITMAP *bmp, int x, int y, fixed a1, fixed a2, int r, int d, void (*proc)(BITMAP *bmp, int x, int y, int d)); DESCRIPTION
Calculates all the points in a circular arc around point (x, y) with radius r, calling the supplied function for each one. This will be passed a copy of the bmp parameter, the x and y position, and a copy of the d parameter, so it is suitable for use with putpixel(). The arc will be plotted in an anticlockwise direction starting from the angle a1 and ending when it reaches a2. These values are specified in 16.16 fixed point format, with 256 equal to a full circle, 64 a right angle, etc. Zero is to the right of the centre point, and larger values rotate anticlockwise from there. Example: void draw_explosion_ring(BITMAP *bmp, int x, int y, int d) { ... } do_arc(screen, SCREEN_W/2, SCREEN_H/2, itofix(-21), itofix(43), 50, flame_color, draw_explosion_ring); SEE ALSO
do_circle(3alleg4), do_ellipse(3alleg4), do_line(3alleg4), arc(3alleg4) Allegro version 4.4.2 do_arc(3alleg4)
Man Page

2 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

Shopt -s histappend

What is the point of this? Whenever I close my shell it appends to the history file without adding this. I have never seen it overwrite my history file. # When the shell exits, append to the history file instead of overwriting it shopt -s histappend (3 Replies)
Discussion started by: cokedude
3 Replies

2. OS X (Apple)

Undeletable file

Greetings, I'm trying to delete a file with a weird name from within Terminal on a Mac. It's a very old file (1992) with null characters in the name: “␀␀Word FinderÂŽ Plus™”. Here are some examples of what I've tried: 12FX009:5 dpontius$ ls ␀␀Word FinderÂŽ Plus™ 12FX009:5 dpontius$ rm... (29 Replies)
Discussion started by: dpontius
29 Replies