var clear_arrows = function() {
for (var i = 0; i < arrows.length; ++i) {
- jsPlumb.detach(arrows[i]);
+ jsPlumb.detach(arrows[i].connection1);
+ jsPlumb.detach(arrows[i].connection2);
}
arrows = [];
}
}
+var redraw_arrows = function() {
+ for (var i = 0; i < arrows.length; ++i) {
+ position_arrow(arrows[i]);
+ }
+}
+
var sign = function(x) {
if (x > 0) {
return 1;
arrow_targets.push(elem);
return elem.id;
}
-
-var create_arrow = function(from_square, to_square, fg_color, line_width, arrow_size) {
- var from_col = from_square.charCodeAt(0) - "a1".charCodeAt(0);
- var from_row = from_square.charCodeAt(1) - "a1".charCodeAt(1);
- var to_col = to_square.charCodeAt(0) - "a1".charCodeAt(0);
- var to_row = to_square.charCodeAt(1) - "a1".charCodeAt(1);
-
+
+var position_arrow = function(arrow) {
var zoom_factor = $("#board").width() / 400.0;
- line_width *= zoom_factor;
- arrow_size *= zoom_factor;
+ var line_width = arrow.line_width * zoom_factor;
+ var arrow_size = arrow.arrow_size * zoom_factor;
var square_width = Math.floor(($("#board").width() - 1) / 8);
- var from_y = (7 - from_row + 0.5)*square_width + 1;
- var to_y = (7 - to_row + 0.5)*square_width + 1;
- var from_x = (from_col + 0.5)*square_width + 1;
- var to_x = (to_col + 0.5)*square_width + 1;
+ var from_y = (7 - arrow.from_row + 0.5)*square_width + 1;
+ var to_y = (7 - arrow.to_row + 0.5)*square_width + 1;
+ var from_x = (arrow.from_col + 0.5)*square_width + 1;
+ var to_x = (arrow.to_col + 0.5)*square_width + 1;
var dx = to_x - from_x;
var dy = to_y - from_y;
var len = Math.sqrt(dx * dx + dy * dy);
dx /= len;
dy /= len;
-
- // Create arrow.
- var s1 = add_target();
- var d1 = add_target();
- var s1v = add_target();
- var d1v = add_target();
var pos = $("#board").position();
- $("#" + s1).css({ top: pos.top + from_y + (0.5 * arrow_size) * dy, left: pos.left + from_x + (0.5 * arrow_size) * dx });
- $("#" + d1).css({ top: pos.top + to_y - (0.5 * arrow_size) * dy, left: pos.left + to_x - (0.5 * arrow_size) * dx });
- $("#" + s1v).css({ top: pos.top + from_y - 0 * dy, left: pos.left + from_x - 0 * dx });
- $("#" + d1v).css({ top: pos.top + to_y + 0 * dy, left: pos.left + to_x + 0 * dx });
- var connection1 = jsPlumb.connect({
- source: s1,
- target: d1,
+ $("#" + arrow.s1).css({ top: pos.top + from_y + (0.5 * arrow_size) * dy, left: pos.left + from_x + (0.5 * arrow_size) * dx });
+ $("#" + arrow.d1).css({ top: pos.top + to_y - (0.5 * arrow_size) * dy, left: pos.left + to_x - (0.5 * arrow_size) * dx });
+ $("#" + arrow.s1v).css({ top: pos.top + from_y - 0 * dy, left: pos.left + from_x - 0 * dx });
+ $("#" + arrow.d1v).css({ top: pos.top + to_y + 0 * dy, left: pos.left + to_x + 0 * dx });
+
+ if (arrow.connection1) {
+ jsPlumb.detach(arrow.connection1);
+ }
+ if (arrow.connection2) {
+ jsPlumb.detach(arrow.connection2);
+ }
+ arrow.connection1 = jsPlumb.connect({
+ source: arrow.s1,
+ target: arrow.d1,
connector:["Straight"],
cssClass:"c1",
endpoint:"Blank",
anchor:"Continuous",
paintStyle:{
lineWidth:line_width,
- strokeStyle:fg_color,
+ strokeStyle:arrow.fg_color,
outlineWidth:1,
outlineColor:"#666",
opacity:"60%"
}
- });
- var connection2 = jsPlumb.connect({
- source: s1v,
- target: d1v,
+ });
+ arrow.connection2 = jsPlumb.connect({
+ source: arrow.s1v,
+ target: arrow.d1v,
connector:["Straight"],
cssClass:"vir",
endpoint:"Blank",
anchor:"Continuous",
paintStyle:{
lineWidth:0,
- strokeStyle:fg_color,
+ strokeStyle:arrow.fg_color,
outlineWidth:0,
outlineColor:"#666",
},
location:1.0,
width: arrow_size,
length: arrow_size,
- paintStyle:{
+ paintStyle: {
lineWidth:line_width,
strokeStyle:"#000",
},
}]
]
});
- arrows.push(connection1);
- arrows.push(connection2);
+}
+
+var create_arrow = function(from_square, to_square, fg_color, line_width, arrow_size) {
+ var from_col = from_square.charCodeAt(0) - "a1".charCodeAt(0);
+ var from_row = from_square.charCodeAt(1) - "a1".charCodeAt(1);
+ var to_col = to_square.charCodeAt(0) - "a1".charCodeAt(0);
+ var to_row = to_square.charCodeAt(1) - "a1".charCodeAt(1);
+
+ // Create arrow.
+ var arrow = {
+ s1: add_target(),
+ d1: add_target(),
+ s1v: add_target(),
+ d1v: add_target(),
+ from_col: from_col,
+ from_row: from_row,
+ to_col: to_col,
+ to_row: to_row,
+ line_width: line_width,
+ arrow_size: arrow_size,
+ fg_color: fg_color
+ };
+
+ position_arrow(arrow);
+ arrows.push(arrow);
}
// Fake multi-PV using the refutation lines. Find all “relevant” moves,
board = new ChessBoard('board', 'start');
request_update(board, 1);
-
+ $(window).resize(function() {
+ board.resize();
+ redraw_arrows();
+ });
};
$(document).ready(init);