.\" Generated by the Allegro makedoc utility
.TH excamera 3alleg4 "version 4.4.3" "Allegro" "Allegro manual"
.SH NAME
excamera \- Viewing a 3d world from an arbitrary camera position. Allegro game programming library.\&
.SH SYNOPSIS
.B #include <allegro.h>

.sp
.B Example excamera
.SH DESCRIPTION
This program demonstrates how to use the get_camera_matrix()
function to view a 3d world from any position and angle. The
example draws a checkered floor through a viewport region
on the screen. You can use the keyboard to move around the
camera or modify the size of the viewport. The keys that can
be used with this example are displayed between brackets at
the top of the screen.

.SH SEE ALSO
.BR BITMAP (3alleg4),
.BR END_OF_MAIN (3alleg4),
.BR MATRIX_f (3alleg4),
.BR POLYTYPE_FLAT (3alleg4),
.BR SCREEN_H (3alleg4),
.BR SCREEN_W (3alleg4),
.BR V3D_f (3alleg4),
.BR allegro_error (3alleg4),
.BR allegro_init (3alleg4),
.BR allegro_message (3alleg4),
.BR apply_matrix_f (3alleg4),
.BR blit (3alleg4),
.BR clear_to_color (3alleg4),
.BR clip3d_f (3alleg4),
.BR create_bitmap (3alleg4),
.BR desktop_palette (3alleg4),
.BR destroy_bitmap (3alleg4),
.BR font (3alleg4),
.BR get_camera_matrix_f (3alleg4),
.BR get_vector_rotation_matrix_f (3alleg4),
.BR install_int_ex (3alleg4),
.BR install_keyboard (3alleg4),
.BR install_timer (3alleg4),
.BR key (3alleg4),
.BR key_shifts (3alleg4),
.BR makecol (3alleg4),
.BR persp_project_f (3alleg4),
.BR poll_keyboard (3alleg4),
.BR polygon (3alleg4),
.BR polygon3d_f (3alleg4),
.BR rect (3alleg4),
.BR screen (3alleg4),
.BR set_clip_rect (3alleg4),
.BR set_gfx_mode (3alleg4),
.BR set_palette (3alleg4),
.BR set_projection_viewport (3alleg4),
.BR textprintf_ex (3alleg4),
.BR vsync (3alleg4)