more plus cleaner
This commit is contained in:
Gwenhael Le Moine
parent
b6abbc809d
commit
6803f76b8d
1 changed files with 209 additions and 201 deletions
362
js/star.js
362
js/star.js
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@ -1,10 +1,11 @@
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var initialize_a_star = function( dom_container, level_index, theme ) {
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let initialize_a_star = function( dom_container, level_index, theme ) {
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// kinda enums
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var cell = { WALL: '#', BALL: '@', CUBE: 'H', EMPTY: ' ', GIFT: 'x' };
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var direction = { UP: 38, DOWN: 40, LEFT: 37, RIGHT: 39 };
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let cell = { WALL: '#', BALL: '@', CUBE: 'H', EMPTY: ' ', GIFT: 'x' }
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let direction = { UP: 38, DOWN: 40, LEFT: 37, RIGHT: 39 }
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var assets = {
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levels: [ "#################@## x#H## x #### ##x ## ## x #### x x x ## x x## x ## ##x x#################",
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let assets = {
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levels: [
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"#################@## x#H## x #### ##x ## ## x #### x x x ## x x## x ## ##x x#################",
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" # # # # # ### x @# #x #x x # # x x # # # x # # #H# x # # # # #xx## # # # # ",
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"################# x#@## ## ##H## #x x ## x x## x## #x x x# x### ##x #x x x####x ##x #################",
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"################# #H## # ###x#x x#x#x#x#x## # #x x# # # ####x#x#x x#x#x#x## # ## # #@ #################",
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@ -28,79 +29,80 @@ var initialize_a_star = function( dom_container, level_index, theme ) {
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"#################x# #x# #x # ## # ##x # #x x ### #x x #### x # ###x ## #@#H x ################# ",
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" ############## # # #x# #x # ## x # ### # x #x ## #x # xx x ###x # ## x ## #@#H x # ############## ",
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"################# # ### ##x x ##x### #x x# #### xx x# ## ## #x x # ## ## ## @#H###xx################# ",
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"################# # ## x ##x x ## #x x ## ## x ## #x ## #x x# x ## ##x #@ H ################# " ]
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};
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"################# # ## x ##x x ## #x x ## ## x ## #x ## #x x# x ## ##x #@ H ################# "
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]
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}
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////// FUNCTIONS //////
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var count_gifts = function( ) {
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var n = 0;
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for ( var i = level_infos.height * level_infos.width ; i-- ; ) {
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let count_gifts = function() {
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let n = 0
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for ( let i = level_infos.height * level_infos.width ; i-- ; ) {
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if ( state.board[ i ] == cell.GIFT ) {
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n++;
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n++
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}
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}
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return n;
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};
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return n
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}
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var get_pos = function( actor ) {
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var p = state.board.indexOf( actor, state.board );
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var pos = [ ];
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pos[ 1 ] = Math.floor( p / level_infos.width ); /* y */
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pos[ 0 ] = p - ( pos[ 1 ] * level_infos.width ); /* x */
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let get_pos = function( actor ) {
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let p = state.board.indexOf( actor, state.board )
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let pos = []
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pos[ 1 ] = Math.floor( p / level_infos.width ) /* y */
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pos[ 0 ] = p - ( pos[ 1 ] * level_infos.width ) /* x */
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return pos;
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};
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return pos
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}
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var get_cell = function( x, y ) {
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return state.board[ x + ( y * level_infos.width ) ];
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};
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let get_cell = function( x, y ) {
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return state.board[ x + ( y * level_infos.width ) ]
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}
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var set_cell = function( x, y, value ) {
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var p = x + ( y * level_infos.width );
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state.board = [ state.board.substring( 0, p ), value, state.board.substring( p+1, state.board.length ) ].join( '' );
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};
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let set_cell = function( x, y, value ) {
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let p = x + ( y * level_infos.width )
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state.board = [ state.board.substring( 0, p ), value, state.board.substring( p+1, state.board.length ) ].join( '' )
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}
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var switch_actor = function( ) {
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state.moving = ( state.moving == cell.BALL ) ? cell.CUBE : cell.BALL;
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};
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let switch_actor = function() {
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state.moving = ( state.moving == cell.BALL ) ? cell.CUBE : cell.BALL
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}
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var won_or_not = function( ) {
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return count_gifts( ) === 0;
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};
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let won_or_not = function() {
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return count_gifts() === 0
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}
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var load_level = function( index ) {
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let load_level = function( index ) {
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return( { moving: cell.BALL,
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distance_travelled: 0,
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level: index,
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board: assets.levels[ index ],
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it_s_over: false } );
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};
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it_s_over: false } )
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}
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var make_a_move = function( where ) {
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var motion = [ 0, 0 ];
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var item_coord = get_pos( state.moving );
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let make_a_move = function( where ) {
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let motion = [ 0, 0 ]
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let item_coord = get_pos( state.moving )
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/* Setup the motion vector according to direction.*/
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switch( where ) {
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case direction.UP:
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motion[ 1 ]--;
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break;
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motion[ 1 ]--
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break
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case direction.DOWN:
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motion[ 1 ]++;
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break;
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motion[ 1 ]++
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break
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case direction.LEFT:
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motion[ 0 ]--;
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break;
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motion[ 0 ]--
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break
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case direction.RIGHT:
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motion[ 0 ]++;
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break;
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default: break;
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motion[ 0 ]++
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break
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default: break
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}
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var path = [ ];
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path[ 0 ] = [ ];
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path[ 0 ][ 0 ] = item_coord[ 0 ];
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path[ 0 ][ 1 ] = item_coord[ 1 ];
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let path = []
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path[ 0 ] = []
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path[ 0 ][ 0 ] = item_coord[ 0 ]
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path[ 0 ][ 1 ] = item_coord[ 1 ]
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/* Calculating arrival coordinates */
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while ( /* Hairy conditions ahead */
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/* target cell is within level's boundaries */
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@ -112,139 +114,146 @@ var initialize_a_star = function( dom_container, level_index, theme ) {
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|| ( state.moving == cell.BALL && ( get_cell( item_coord[ 0 ] + motion[ 0 ], item_coord[ 1 ] + motion[ 1 ] ) == cell.GIFT ) )
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)
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{
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set_cell( item_coord[ 0 ], item_coord[ 1 ], cell.EMPTY ); /* empty the origin cell */
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item_coord[ 0 ] += motion[ 0 ]; /* move coordinate */
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item_coord[ 1 ] += motion[ 1 ]; /* to those of target cells */
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set_cell( item_coord[ 0 ], item_coord[ 1 ], cell.EMPTY ) /* empty the origin cell */
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item_coord[ 0 ] += motion[ 0 ] /* move coordinate */
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item_coord[ 1 ] += motion[ 1 ] /* to those of target cells */
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var push_pos = path.length;
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path[ push_pos ] = [ ];
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path[ push_pos ][ 0 ] = item_coord[ 0 ];
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path[ push_pos ][ 1 ] = item_coord[ 1 ];
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let push_pos = path.length
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path[ push_pos ] = []
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path[ push_pos ][ 0 ] = item_coord[ 0 ]
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path[ push_pos ][ 1 ] = item_coord[ 1 ]
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set_cell( item_coord[ 0 ], item_coord[ 1 ], state.moving ); /* move actor into target cell */
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set_cell( item_coord[ 0 ], item_coord[ 1 ], state.moving ) /* move actor into target cell */
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}
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return path
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}
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return path;
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};
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////// HTML/Canvas version specific functions
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var load_sprites = function( theme ) {
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assets.sprites = { };
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assets.sprites.ball = new Image();
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assets.sprites.ball.src = "themes/" + theme + "/tex_ball.png";
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assets.sprites.ball_selected = new Image();
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assets.sprites.ball_selected.src = "themes/" + theme + "/tex_ball_selected.png";
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assets.sprites.cube = new Image();
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assets.sprites.cube.src = "themes/" + theme + "/tex_cube.png";
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assets.sprites.cube_selected = new Image();
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assets.sprites.cube_selected.src = "themes/" + theme + "/tex_cube_selected.png";
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assets.sprites.wall = new Image();
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assets.sprites.wall.src = "themes/" + theme + "/tex_wall.png";
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assets.sprites.empty = new Image();
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assets.sprites.empty.src = "themes/" + theme + "/tex_empty.png";
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assets.sprites.gift = new Image();
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assets.sprites.gift.src = "themes/" + theme + "/tex_gift.png";
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};
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let load_sprites = function( theme ) {
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assets.sprites = { }
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assets.sprites.ball = new Image()
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assets.sprites.ball.src = "themes/" + theme + "/tex_ball.png"
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assets.sprites.ball_selected = new Image()
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assets.sprites.ball_selected.src = "themes/" + theme + "/tex_ball_selected.png"
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assets.sprites.cube = new Image()
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assets.sprites.cube.src = "themes/" + theme + "/tex_cube.png"
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assets.sprites.cube_selected = new Image()
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assets.sprites.cube_selected.src = "themes/" + theme + "/tex_cube_selected.png"
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assets.sprites.wall = new Image()
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assets.sprites.wall.src = "themes/" + theme + "/tex_wall.png"
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assets.sprites.empty = new Image()
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assets.sprites.empty.src = "themes/" + theme + "/tex_empty.png"
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assets.sprites.gift = new Image()
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assets.sprites.gift.src = "themes/" + theme + "/tex_gift.png"
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}
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var draw_cell = function( sprite, x, y ) {
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let draw_cell = function( sprite, x, y ) {
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DOM_infos.canvas.context.drawImage( sprite,
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x * level_infos.cell.width,
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y * level_infos.cell.height,
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level_infos.cell.width,
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level_infos.cell.height );
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};
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level_infos.cell.height )
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}
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var display_switch_actor = function( ) {
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var ball_pos = get_pos( cell.BALL );
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var cube_pos = get_pos( cell.CUBE );
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let display_switch_actor = function() {
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let ball_pos = get_pos( cell.BALL )
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let cube_pos = get_pos( cell.CUBE )
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// redraw ball
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draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball, ball_pos[ 0 ], ball_pos[ 1 ] );
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draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball, ball_pos[ 0 ], ball_pos[ 1 ] )
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// redraw cube
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draw_cell( ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube, cube_pos[ 0 ], cube_pos[ 1 ] );
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};
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draw_cell( ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube, cube_pos[ 0 ], cube_pos[ 1 ] )
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}
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let full_display_on_canvas = function() {
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for ( let i=0 ; i < level_infos.height ; i++ ) {
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for ( let j=0 ; j < level_infos.width ; j++ ) {
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let c = get_cell( j, i )
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let sprite
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var full_display_on_canvas = function( ) {
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for ( var i=0 ; i < level_infos.height ; i++ ) {
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for ( var j=0 ; j < level_infos.width ; j++ ) {
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var c = get_cell( j, i );
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var sprite;
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switch( c ) {
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case "@": sprite = ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball; break;
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case "H": sprite = ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube; break;
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case "#": sprite = assets.sprites.wall; break;
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case "x": sprite = assets.sprites.gift; break;
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case " ": sprite = assets.sprites.empty; break;
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default: break;
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case "@": sprite = ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.ball
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break
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case "H": sprite = ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube
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break
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case "#": sprite = assets.sprites.wall
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break
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case "x": sprite = assets.sprites.gift
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break
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case " ": sprite = assets.sprites.empty
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break
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default:
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break
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}
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draw_cell( sprite, j, i )
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}
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draw_cell( sprite, j, i );
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}
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}
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};
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var update_infos = function( ) {
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var infos = "<h1>Star5</h1><br />";
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infos += "Level <em>" + (state.level+1) + "</em> of <em>" + assets.levels.length + "</em><br />";
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infos += "<em>" + count_gifts( ) + "</em> gifts left<br />";
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infos += "<em>" + state.distance_travelled + "</em> meters travelled";
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let update_infos = function() {
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let infos = "<h1>Star5</h1><br />"
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infos += "Level <em>" + (state.level+1) + "</em> of <em>" + assets.levels.length + "</em><br />"
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infos += "<em>" + count_gifts() + "</em> gifts left<br />"
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infos += "<em>" + state.distance_travelled + "</em> meters travelled"
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document.querySelector( DOM_infos.container + " .gstar #infos" ).innerHTML = infos;
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};
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document.querySelector( DOM_infos.container + " .gstar #infos" ).innerHTML = infos
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}
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var format_help = function( ) {
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var help = "<em>←↑→↓</em> to move around<br />";
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help += "<em>Space</em> to switch actor<br />";
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help += "<em>r</em> to reload<br />";
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help += "<em>n</em> to pass to the next level<br />";
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help += "<em>p</em> to go back to the previous level<br />";
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return help;
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};
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let format_help = function() {
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let help = "<em>←↑→↓</em> to move around<br />"
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help += "<em>Space</em> to switch actor<br />"
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help += "<em>r</em> to reload<br />"
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help += "<em>n</em> to pass to the next level<br />"
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help += "<em>p</em> to go back to the previous level<br />"
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return help
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}
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var display_level = function( ) {
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update_infos( );
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full_display_on_canvas( );
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};
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let display_level = function() {
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update_infos()
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full_display_on_canvas()
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}
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var display_move_actor = function( path ) {
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for ( var i=0 ; i < path.length-1 ; i++ ) {
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draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] );
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let display_move_actor = function( path ) {
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for ( let i=0 ; i < path.length-1 ; i++ ) {
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draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] )
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draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.cube_selected,
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path[ i+1 ][ 0 ], path[ i+1 ][ 1 ] );
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path[ i+1 ][ 0 ], path[ i+1 ][ 1 ] )
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state.distance_travelled++; /* increment distance_travelled */
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state.distance_travelled++ /* increment distance_travelled */
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}
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update_infos()
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}
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update_infos( );
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};
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var event_handler = function( e ) {
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let event_handler = function( e ) {
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if ( !state.it_s_over ) {
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if ( e.type === "click" ) {
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var movingpos = get_pos( state.moving );
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var notmovingpos = get_pos( ( state.moving != cell.BALL ) ? cell.BALL : cell.CUBE );
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var click = { };
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click.x = e.pageX - DOM_infos.canvas.offset.left;
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click.y = e.pageY - DOM_infos.canvas.offset.top;
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let movingpos = get_pos( state.moving )
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let notmovingpos = get_pos( ( state.moving != cell.BALL ) ? cell.BALL : cell.CUBE )
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let click = { }
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click.x = e.pageX - DOM_infos.canvas.offset.left
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click.y = e.pageY - DOM_infos.canvas.offset.top
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if ( ( 0 <= click.x && click.x < DOM_infos.canvas.width )
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&& ( 0 <= click.y && click.y < DOM_infos.canvas.height ) ) {
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// coordinates in cell indexes
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click.x = Math.floor( click.x / level_infos.cell.width );
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click.y = Math.floor( click.y / level_infos.cell.height );
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click.x = Math.floor( click.x / level_infos.cell.width )
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click.y = Math.floor( click.y / level_infos.cell.height )
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// We're inside the board
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if ( click.x == notmovingpos[0] && click.y == notmovingpos[1] ) {
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switch_actor( );
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display_switch_actor( );
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switch_actor()
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display_switch_actor()
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} else if ( click.x == movingpos[0] ) {
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if ( click.y > movingpos[1] ) {
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display_move_actor( make_a_move( direction.DOWN ) );
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display_move_actor( make_a_move( direction.DOWN ) )
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} else if ( click.y < movingpos[1] ) {
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display_move_actor( make_a_move( direction.UP ) );
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display_move_actor( make_a_move( direction.UP ) )
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}
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} else if ( click.y == movingpos[1] ) {
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if ( click.x > movingpos[0] ) {
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display_move_actor( make_a_move( direction.RIGHT ) );
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display_move_actor( make_a_move( direction.RIGHT ) )
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} else {
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display_move_actor( make_a_move( direction.LEFT ) );
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display_move_actor( make_a_move( direction.LEFT ) )
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}
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}
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}
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@ -254,87 +263,86 @@ var initialize_a_star = function( dom_container, level_index, theme ) {
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case 38: // UP
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case 39: // RIGHT
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case 40: // DOWN
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display_move_actor( make_a_move( e.keyCode ) );
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break;
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display_move_actor( make_a_move( e.keyCode ) )
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break
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case 32: // SPACE
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switch_actor( );
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||||
display_switch_actor( );
|
||||
break;
|
||||
switch_actor()
|
||||
display_switch_actor()
|
||||
break
|
||||
case 78: // n
|
||||
if ( state.level < assets.levels.length - 1 ) {
|
||||
state = load_level( state.level + 1 );
|
||||
display_level( );
|
||||
state = load_level( state.level + 1 )
|
||||
display_level()
|
||||
}
|
||||
break;
|
||||
break
|
||||
case 80: // p
|
||||
if ( state.level > 0 ) {
|
||||
state = load_level( state.level - 1 );
|
||||
display_level( );
|
||||
state = load_level( state.level - 1 )
|
||||
display_level()
|
||||
}
|
||||
break;
|
||||
break
|
||||
case 82: // r
|
||||
state = load_level( state.level );
|
||||
display_level( );
|
||||
break;
|
||||
state = load_level( state.level )
|
||||
display_level()
|
||||
break
|
||||
default:
|
||||
break;
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
if ( won_or_not() ) {
|
||||
if ( state.level < assets.levels.length - 1 ) {
|
||||
state = load_level( state.level + 1 );
|
||||
display_level( );
|
||||
state = load_level( state.level + 1 )
|
||||
display_level()
|
||||
}
|
||||
else {
|
||||
state.it_s_over = true;
|
||||
alert( "You won!" );
|
||||
state.it_s_over = true
|
||||
alert( "You won!" )
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
////// MAIN (so to speak) //////
|
||||
|
||||
// First of all, setup our little DOM branch
|
||||
var starhtml = '<div class="gstar">';
|
||||
starhtml += '<aside id="help">' + format_help( ) + '</aside>';
|
||||
starhtml += '<canvas id="starboard" width="320" height="180"></canvas>';
|
||||
starhtml += '<aside id="infos"></aside>';
|
||||
starhtml += '</div>';
|
||||
document.querySelector( dom_container ).innerHTML = starhtml;
|
||||
let starhtml = '<div class="gstar">'
|
||||
starhtml += '<aside id="help">' + format_help() + '</aside>'
|
||||
starhtml += '<canvas id="starboard" width="320" height="180"></canvas>'
|
||||
starhtml += '<aside id="infos"></aside>'
|
||||
starhtml += '</div>'
|
||||
document.querySelector( dom_container ).innerHTML = starhtml
|
||||
|
||||
// Now we can collect some informations about this DOM branch we have
|
||||
load_sprites( theme );
|
||||
var DOM_infos = {
|
||||
load_sprites( theme )
|
||||
let DOM_infos = {
|
||||
container: dom_container,
|
||||
canvas: {
|
||||
//jQuery() returns a jquery object, [0] to get the canvas itself
|
||||
context: document.querySelector( dom_container + " #starboard" ).getContext( '2d' ),
|
||||
offset: document.querySelector( dom_container + " #starboard" ).offsetLeft,
|
||||
width: document.querySelector( dom_container + " #starboard" ).width,
|
||||
height: document.querySelector( dom_container + " #starboard" ).height
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
var level_infos = {
|
||||
let level_infos = {
|
||||
height: 9,
|
||||
width: 16,
|
||||
cell: {
|
||||
width: DOM_infos.canvas.width / 16,
|
||||
height: DOM_infos.canvas.height / 9
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
var state = load_level( ( level_index === undefined ) ? 0 :
|
||||
let state = load_level( ( level_index === undefined ) ? 0 :
|
||||
( level_index >= assets.levels.length ) ? assets.levels.length - 1 :
|
||||
( level_index < 0 ) ? 0 : level_index );
|
||||
( level_index < 0 ) ? 0 : level_index )
|
||||
|
||||
// kinda ugly workaround around a mysterious bug causing the canvas
|
||||
// not to refresh the first time (before any event)
|
||||
setTimeout( function(){ display_level( ); }, 100 ); // 1/10 second
|
||||
setTimeout( function(){ display_level() }, 100 ) // 1/10 second
|
||||
|
||||
// Start main "loop"
|
||||
document.addEventListener('click', event_handler)
|
||||
document.addEventListener('keydown', event_handler)
|
||||
};
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue