gwh/jsstar
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

uncoupe move path finding from updating board and drawing

Browse source
This commit is contained in:
Gwenhael Le Moine 2011-07-16 12:30:27 +02:00
parent 8e3b318f63
commit 474197210e
1 changed files with 24 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

39
js/star.js
View file

@ -174,7 +174,10 @@ function initialize_a_star( dom_container, level_index ) {
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 */
while ( /* Hairy conditions ahead */
/* 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 ) )
)
{
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[ 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 */
draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.cube_selected, item_coord[ 0 ], item_coord[ 1 ] );
function display_move_actor( path ) {
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 */
}
update_infos( );
alert(path);
return path;
}
function event_handler( e ) {
@ -225,15 +234,15 @@ function initialize_a_star( dom_container, level_index ) {
switch_actor( );
} else if ( click.x == movingpos[0] ) {
if ( click.y > movingpos[1] ) {
make_a_move( direction.DOWN );
display_move_actor( make_a_move( direction.DOWN ) );
} 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] ) {
if ( click.x > movingpos[0] ) {
make_a_move( direction.RIGHT );
display_move_actor( make_a_move( direction.RIGHT ) );
} 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 39: // RIGHT
case 40: // DOWN
make_a_move( e.keyCode );
display_move_actor( make_a_move( e.keyCode ) );
break;
case 32: // SPACE
switch_actor( );