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simplify on-click if{}

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Gwenhael Le Moine 2011-07-12 18:05:52 +02:00
parent 542eb3fcc4
commit ce217fc216
1 changed files with 28 additions and 33 deletions
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35
js/star.js
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@ -215,44 +215,39 @@ function start_loop( state, elt ) {
function( e ) { function( e ) {
var bpos = $("#blackboard").offset(); var bpos = $("#blackboard").offset();
var bdim = {}; var bdim = {};
var celldim = {};
var click = {};
var movingpos = get_pos( state, state.moving );
var notmovingpos = get_pos( state, ( state.moving != cell.BALL ) ? cell.BALL : cell.CUBE );
bdim.width = $("#blackboard").width(); bdim.width = $("#blackboard").width();
bdim.height = $("#blackboard").height(); bdim.height = $("#blackboard").height();
var celldim = {};
celldim.width = bdim.width / LEVEL_WIDTH; celldim.width = bdim.width / LEVEL_WIDTH;
celldim.height = bdim.height / LEVEL_HEIGHT; celldim.height = bdim.height / LEVEL_HEIGHT;
var click = {}; click.x = e.pageX - bpos.left;
click.x = Math.floor( ( e.pageX - bpos.left ) / celldim.width ); click.y = e.pageY - bpos.top;
click.y = Math.floor( ( e.pageY - bpos.top ) / celldim.height );
if ( ( 0 <= click.x && click.x < bdim.width ) if ( ( 0 <= click.x && click.x < bdim.width )
&& ( 0 <= click.y && click.y < bdim.height ) ) { && ( 0 <= click.y && click.y < bdim.height ) ) {
var ballpos = get_pos( state, cell.BALL ); // coordinates in cell indexes
var cubepos = get_pos( state, cell.CUBE ); click.x = Math.floor( click.x / celldim.width );
click.y = Math.floor( click.y / celldim.height );
if ( click.x == ballpos[0] && click.y == ballpos[1] ) { // We're inside the board
state.moving = cell.BALL; if ( click.x == notmovingpos[0] && click.y == notmovingpos[1] ) {
} else { state.moving = ( state.moving != cell.BALL ) ? cell.BALL : cell.CUBE;
if ( click.x == cubepos[0] && click.y == cubepos[1] ) { } else if ( click.x == movingpos[0] ) {
state.moving = cell.CUBE;
} else {
var movingpos = ( state.moving == cell.BALL ) ? ballpos : cubepos;
if ( click.x == movingpos[0] ) {
if ( click.y > movingpos[1] ) { if ( click.y > movingpos[1] ) {
state = make_a_move( state, direction.DOWN ); state = make_a_move( state, direction.DOWN );
} else { } else if ( click.y < movingpos[1] ) {
state = make_a_move( state, direction.UP ); state = make_a_move( state, direction.UP );
} }
} else { } else if ( click.y == movingpos[1] ) {
if ( click.y == movingpos[1] ) {
if ( click.x > movingpos[0] ) { if ( click.x > movingpos[0] ) {
state = make_a_move( state, direction.RIGHT ); state = make_a_move( state, direction.RIGHT );
} else { } else {
state = make_a_move( state, direction.LEFT ); state = make_a_move( state, direction.LEFT );
} }
} }
}
}
}
display_level( state, options.dom_place ); display_level( state, options.dom_place );
} }