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() => {}

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Gwenhael Le Moine 2024-03-05 17:00:30 +01:00
parent 6803f76b8d
commit 3a895a6907
1 changed files with 19 additions and 19 deletions
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js/star.js
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@ -1,4 +1,4 @@
let initialize_a_star = function( dom_container, level_index, theme ) { let initialize_a_star = ( dom_container, level_index, theme ) => {
// kinda enums // kinda enums
let cell = { WALL: '#', BALL: '@', CUBE: 'H', EMPTY: ' ', GIFT: 'x' } let cell = { WALL: '#', BALL: '@', CUBE: 'H', EMPTY: ' ', GIFT: 'x' }
let direction = { UP: 38, DOWN: 40, LEFT: 37, RIGHT: 39 } let direction = { UP: 38, DOWN: 40, LEFT: 37, RIGHT: 39 }
@ -34,7 +34,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
} }
////// FUNCTIONS ////// ////// FUNCTIONS //////
let count_gifts = function() { let count_gifts = () => {
let n = 0 let n = 0
for ( let i = level_infos.height * level_infos.width ; i-- ; ) { for ( let i = level_infos.height * level_infos.width ; i-- ; ) {
if ( state.board[ i ] == cell.GIFT ) { if ( state.board[ i ] == cell.GIFT ) {
@ -44,7 +44,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
return n return n
} }
let get_pos = function( actor ) { let get_pos = ( actor ) => {
let p = state.board.indexOf( actor, state.board ) let p = state.board.indexOf( actor, state.board )
let pos = [] let pos = []
pos[ 1 ] = Math.floor( p / level_infos.width ) /* y */ pos[ 1 ] = Math.floor( p / level_infos.width ) /* y */
@ -53,24 +53,24 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
return pos return pos
} }
let get_cell = function( x, y ) { let get_cell = ( x, y ) => {
return state.board[ x + ( y * level_infos.width ) ] return state.board[ x + ( y * level_infos.width ) ]
} }
let set_cell = function( x, y, value ) { let set_cell = ( x, y, value ) => {
let p = x + ( y * level_infos.width ) let p = x + ( y * level_infos.width )
state.board = [ state.board.substring( 0, p ), value, state.board.substring( p+1, state.board.length ) ].join( '' ) state.board = [ state.board.substring( 0, p ), value, state.board.substring( p+1, state.board.length ) ].join( '' )
} }
let switch_actor = function() { let switch_actor = () => {
state.moving = ( state.moving == cell.BALL ) ? cell.CUBE : cell.BALL state.moving = ( state.moving == cell.BALL ) ? cell.CUBE : cell.BALL
} }
let won_or_not = function() { let won_or_not = () => {
return count_gifts() === 0 return count_gifts() === 0
} }
let load_level = function( index ) { let load_level = ( index ) => {
return( { moving: cell.BALL, return( { moving: cell.BALL,
distance_travelled: 0, distance_travelled: 0,
level: index, level: index,
@ -78,7 +78,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
it_s_over: false } ) it_s_over: false } )
} }
let make_a_move = function( where ) { let make_a_move = ( where ) => {
let motion = [ 0, 0 ] let motion = [ 0, 0 ]
let item_coord = get_pos( state.moving ) let item_coord = get_pos( state.moving )
@ -129,7 +129,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
} }
////// HTML/Canvas version specific functions ////// HTML/Canvas version specific functions
let load_sprites = function( theme ) { let load_sprites = ( theme ) => {
assets.sprites = { } assets.sprites = { }
assets.sprites.ball = new Image() assets.sprites.ball = new Image()
assets.sprites.ball.src = "themes/" + theme + "/tex_ball.png" assets.sprites.ball.src = "themes/" + theme + "/tex_ball.png"
@ -147,7 +147,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
assets.sprites.gift.src = "themes/" + theme + "/tex_gift.png" assets.sprites.gift.src = "themes/" + theme + "/tex_gift.png"
} }
let draw_cell = function( sprite, x, y ) { let draw_cell = ( sprite, x, y ) => {
DOM_infos.canvas.context.drawImage( sprite, DOM_infos.canvas.context.drawImage( sprite,
x * level_infos.cell.width, x * level_infos.cell.width,
y * level_infos.cell.height, y * level_infos.cell.height,
@ -155,7 +155,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
level_infos.cell.height ) level_infos.cell.height )
} }
let display_switch_actor = function() { let display_switch_actor = () => {
let ball_pos = get_pos( cell.BALL ) let ball_pos = get_pos( cell.BALL )
let cube_pos = get_pos( cell.CUBE ) let cube_pos = get_pos( cell.CUBE )
@ -165,7 +165,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
draw_cell( ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube, cube_pos[ 0 ], cube_pos[ 1 ] ) draw_cell( ( state.moving == cell.CUBE ) ? assets.sprites.cube_selected : assets.sprites.cube, cube_pos[ 0 ], cube_pos[ 1 ] )
} }
let full_display_on_canvas = function() { let full_display_on_canvas = () => {
for ( let i=0 ; i < level_infos.height ; i++ ) { for ( let i=0 ; i < level_infos.height ; i++ ) {
for ( let j=0 ; j < level_infos.width ; j++ ) { for ( let j=0 ; j < level_infos.width ; j++ ) {
let c = get_cell( j, i ) let c = get_cell( j, i )
@ -190,7 +190,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
} }
} }
let update_infos = function() { let update_infos = () => {
let infos = "<h1>Star5</h1><br />" let infos = "<h1>Star5</h1><br />"
infos += "Level <em>" + (state.level+1) + "</em> of <em>" + assets.levels.length + "</em><br />" infos += "Level <em>" + (state.level+1) + "</em> of <em>" + assets.levels.length + "</em><br />"
infos += "<em>" + count_gifts() + "</em> gifts left<br />" infos += "<em>" + count_gifts() + "</em> gifts left<br />"
@ -199,7 +199,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
document.querySelector( DOM_infos.container + " .gstar #infos" ).innerHTML = infos document.querySelector( DOM_infos.container + " .gstar #infos" ).innerHTML = infos
} }
let format_help = function() { let format_help = () => {
let help = "<em>←↑→↓</em> to move around<br />" let help = "<em>←↑→↓</em> to move around<br />"
help += "<em>Space</em> to switch actor<br />" help += "<em>Space</em> to switch actor<br />"
help += "<em>r</em> to reload<br />" help += "<em>r</em> to reload<br />"
@ -208,12 +208,12 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
return help return help
} }
let display_level = function() { let display_level = () => {
update_infos() update_infos()
full_display_on_canvas() full_display_on_canvas()
} }
let display_move_actor = function( path ) { let display_move_actor = ( path ) => {
for ( let i=0 ; i < path.length-1 ; i++ ) { for ( let i=0 ; i < path.length-1 ; i++ ) {
draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] ) draw_cell( assets.sprites.empty, path[ i ][ 0 ], path[ i ][ 1 ] )
draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.cube_selected, draw_cell( ( state.moving == cell.BALL ) ? assets.sprites.ball_selected : assets.sprites.cube_selected,
@ -224,7 +224,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
update_infos() update_infos()
} }
let event_handler = function( e ) { let event_handler = ( e ) => {
if ( !state.it_s_over ) { if ( !state.it_s_over ) {
if ( e.type === "click" ) { if ( e.type === "click" ) {
let movingpos = get_pos( state.moving ) let movingpos = get_pos( state.moving )
@ -340,7 +340,7 @@ let initialize_a_star = function( dom_container, level_index, theme ) {
// kinda ugly workaround around a mysterious bug causing the canvas // kinda ugly workaround around a mysterious bug causing the canvas
// not to refresh the first time (before any event) // not to refresh the first time (before any event)
setTimeout( function(){ display_level() }, 100 ) // 1/10 second setTimeout( () => display_level(), 100 ) // 1/10 second
// Start main "loop" // Start main "loop"
document.addEventListener('click', event_handler) document.addEventListener('click', event_handler)