# Documentation de la bibliothèque MLV-1.2.1

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- Installation
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advanced/09_animation.c

A ECRIRE

#include <MLV/MLV_all.h>
#include <stdio.h>
#include <stdlib.h>
//
// Attention !
// Pour pouvoir compiler ce programme sous windows et sous macintosh,
// il faut, pour la déclaration du main, respecter strictement la syntaxe
// suivante :
//
int main( int argc, char *argv[] ){
int width = 640, height = 480;
MLV_init_audio();
MLV_create_window( "advanced - 9 animation", "animation", width, height );
// On charge les données multimédias en mémoire
const char* file_path_of_creature = "creature.png";
MLV_Image* creature = MLV_load_image( file_path_of_creature );
if( ! creature ){
fprintf(
stderr, "It was impossible to load the file %s.\n",
file_path_of_creature
);
exit(1);
}
const char* file_path_of_sound = "walk.ogg";
MLV_Sound* sound = MLV_load_sound( file_path_of_sound );
if( ! sound ){
fprintf(
stderr, "It was impossible to load the file %s.\n",
file_path_of_sound
);
exit(1);
}
// On construit une animation avec les donnée multimédias
// précédement chargées.
MLV_Animation* animation;
int nb_frames = 6;
int nb_layers = 1;
int nb_channels = 1;
int w = 79, h = 79;
MLV_Image* images[4];
images[0] = MLV_copy_partial_image( creature, 0, 0, w, h );
images[1] = MLV_copy_partial_image( creature, 1*(w+1), 0, w, h );
images[2] = MLV_copy_partial_image( creature, 2*(w+1), 0, w, h );
images[3] = MLV_copy_partial_image( creature, 3*(w+1), 0, w, h );
animation = MLV_create_animation(
nb_frames, nb_layers, nb_channels
);
int layer = 0;
MLV_add_frame_in_animation(
images+0, &sound, 4, animation
);
MLV_add_frame_in_animation(
images+1, NULL, 4, animation
);
MLV_add_frame_in_animation(
images+2, &sound, 4, animation
);
MLV_add_frame_in_animation(
images+3, NULL, 4, animation
);
// Création d'un lecteur d'animation
MLV_Animation_player* animation_player = MLV_create_animation_player( animation );
// On lance la lecture de l'animation
MLV_play_animation_player( animation_player );
// On active le son
MLV_turn_on_sound_of_animation_player( animation_player, 0 );
MLV_change_sound_volume_of_animation_player( animation_player, 0, 0.2 );
// On fice le nombre d'image par seconde
MLV_change_frame_rate( 24 );
int avance = 0;
int pas = 4;
MLV_Keyboard_button touche;
while(
MLV_get_event (
&touche, NULL, NULL,
NULL, NULL,
NULL, NULL, NULL,
NULL
) == MLV_NONE ||
touche != MLV_KEYBOARD_ESCAPE
){
MLV_update_animation_player( animation_player );
MLV_clear_window( MLV_COLOR_BROWN );
MLV_draw_filled_rectangle(
width/2,0, width/2, height, MLV_COLOR_YELLOW
);
avance += pas;
if( avance > width-w ){
MLV_play_revert_animation_player( animation_player );
pas = -pas;
}
if( avance < 0 ){
MLV_play_animation_player( animation_player );
pas = -pas;
}
int position_y = 20;
MLV_draw_image_from_animation_player( animation_player, layer, avance, position_y );
MLV_actualise_window();
MLV_play_sound_from_animation_player( animation_player, 0 );
MLV_delay_according_to_frame_rate();
}
MLV_free_animation_player( animation_player );
MLV_free_animation( animation );
MLV_free_image( images[0] );
MLV_free_image( images[1] );
MLV_free_image( images[2] );
MLV_free_image( images[3] );
MLV_free_image( creature );
MLV_free_window();
MLV_free_audio();
return 0;
}
/*
* This file is part of the MLV Library.
*
* Copyright (C) 2010,2011,2012,2013 Adrien Boussicault, Marc Zipstein
*
*
* This Library is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This Library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this Library. If not, see <http://www.gnu.org/licenses/>.
*/