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uncoupe move path finding from updating board and drawing

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Gwenhael Le Moine 2011-07-16 12:30:27 +02:00
parent 104918e0b8
commit 62f88f1fd8
1 changed files with 24 additions and 15 deletions
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39
star.js/js/star.js
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@ -174,7 +174,10 @@ function initialize_a_star( dom_container, level_index ) {
default: break; default: break;
} }
var path = [ ] + item_coord; var path = [ ];
path[ 0 ] = [ ];
path[ 0 ][ 0 ] = item_coord[ 0 ];
path[ 0 ][ 1 ] = item_coord[ 1 ];
/* Calculating arrival coordinates */ /* Calculating arrival coordinates */
while ( /* Hairy conditions ahead */ while ( /* Hairy conditions ahead */
/* target cell is within level's boundaries */ /* target cell is within level's boundaries */
@ -186,23 +189,29 @@ function initialize_a_star( dom_container, level_index ) {
|| ( state.moving == cell.BALL && ( get_cell( item_coord[ 0 ] + motion[ 0 ], item_coord[ 1 ] + motion[ 1 ] ) == cell.GIFT ) ) || ( state.moving == cell.BALL && ( get_cell( item_coord[ 0 ] + motion[ 0 ], item_coord[ 1 ] + motion[ 1 ] ) == cell.GIFT ) )
) )
{ {
set_cell( item_coord[ 0 ], item_coord[ 1 ], cell.EMPTY ); /* empty the origin cell */
draw_cell( assets.sprites.empty, item_coord[ 0 ], item_coord[ 1 ] );
item_coord[ 0 ] += motion[ 0 ]; /* move coordinate */ item_coord[ 0 ] += motion[ 0 ]; /* move coordinate */
item_coord[ 1 ] += motion[ 1 ]; /* to those of target cells */ item_coord[ 1 ] += motion[ 1 ]; /* to those of target cells */
path += item_coord; var push_pos = path.length;
path[ push_pos ] = [ ];
path[ push_pos ][ 0 ] = item_coord[ 0 ];
path[ push_pos ][ 1 ] = item_coord[ 1 ];
}
return path;
}
set_cell( item_coord[ 0 ], item_coord[ 1 ], state.moving ); /* move actor into target cell */ function display_move_actor( path ) {
draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.cube_selected, item_coord[ 0 ], item_coord[ 1 ] ); for ( var i=0 ; i < path.length-1 ; i++ ) {
set_cell( path[ i ][ 0 ], path[ i ][ 1 ], cell.EMPTY ); /* empty the origin cell */
draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] );
set_cell( path[ i+1 ][ 0 ], path[ i+1 ][ 1 ], state.moving ); /* move actor into target cell */
draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.cube_selected,
path[ i+1 ][ 0 ], path[ i+1 ][ 1 ] );
state.distance_travelled++; /* increment distance_travelled */ state.distance_travelled++; /* increment distance_travelled */
} }
update_infos( ); update_infos( );
alert(path);
return path;
} }
function event_handler( e ) { function event_handler( e ) {
@ -225,15 +234,15 @@ function initialize_a_star( dom_container, level_index ) {
switch_actor( ); switch_actor( );
} else if ( click.x == movingpos[0] ) { } else if ( click.x == movingpos[0] ) {
if ( click.y > movingpos[1] ) { if ( click.y > movingpos[1] ) {
make_a_move( direction.DOWN ); display_move_actor( make_a_move( direction.DOWN ) );
} else if ( click.y < movingpos[1] ) { } else if ( click.y < movingpos[1] ) {
make_a_move( direction.UP ); display_move_actor( make_a_move( direction.UP ) );
} }
} else if ( click.y == movingpos[1] ) { } else if ( click.y == movingpos[1] ) {
if ( click.x > movingpos[0] ) { if ( click.x > movingpos[0] ) {
make_a_move( direction.RIGHT ); display_move_actor( make_a_move( direction.RIGHT ) );
} else { } else {
make_a_move( direction.LEFT ); display_move_actor( make_a_move( direction.LEFT ) );
} }
} }
} }
@ -243,7 +252,7 @@ function initialize_a_star( dom_container, level_index ) {
case 38: // UP case 38: // UP
case 39: // RIGHT case 39: // RIGHT
case 40: // DOWN case 40: // DOWN
make_a_move( e.keyCode ); display_move_actor( make_a_move( e.keyCode ) );
break; break;
case 32: // SPACE case 32: // SPACE
switch_actor( ); switch_actor( );