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Code Issues Releases Wiki Activity

Make the lines go around corners better

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This commit is contained in:
Nicholas O'Leary 2013-09-28 21:15:32 +01:00
parent 4d6fa00150
commit 6341c2e907
1 changed files with 22 additions and 7 deletions
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29
public/red/ui/view.js
View File

@ -154,14 +154,22 @@ RED.view = function() {
var dx = mousePos[0]-(mousedown_node.x+sc*mousedown_node.w/2);
var delta = Math.sqrt(dy*dy+dx*dx);
var scale = lineCurveScale;
var scaleY = 0;
if (delta < node_width) {
scale = 0.75-0.75*((node_width-delta)/node_width);
}
if (dx*sc < 0) {
scale += 3*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
if (Math.abs(dy) < 4*node_height) {
scaleY = ((dy>0)?3:-3)*(((4*node_height)-Math.abs(dy))/(4*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
}
}
drag_line.attr("d",
"M "+(mousedown_node.x+sc*mousedown_node.w/2)+" "+(mousedown_node.y+y)+
" C "+(mousedown_node.x+sc*(mousedown_node.w/2+node_width*scale))+" "+(mousedown_node.y+y)+" "+
(mousePos[0]-sc*(scale)*node_width)+" "+mousePos[1]+" "+
" C "+(mousedown_node.x+sc*(mousedown_node.w/2+node_width*scale))+" "+(mousedown_node.y+y+scaleY*node_height)+" "+
(mousePos[0]-sc*(scale)*node_width)+" "+(mousePos[1]-scaleY*node_height)+" "+
mousePos[0]+" "+mousePos[1]
);
@ -796,19 +804,26 @@ RED.view = function() {
var dx = (d.target.x-d.target.w/2)-(d.source.x+d.source.w/2);
var delta = Math.sqrt(dy*dy+dx*dx);
var scale = lineCurveScale;
var scaleY = 0;
if (delta < node_width) {
scale = 0.75-0.75*((node_width-delta)/node_width);
}
if (dx < 0) {
scale += 3*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
if (Math.abs(dy) < 4*node_height) {
scaleY = ((dy>0)?3:-3)*(((4*node_height)-Math.abs(dy))/(4*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
}
}
d.x1 = d.source.x+d.source.w/2;
d.y1 = d.source.y+y;
d.x2 = d.target.x-d.target.w/2;
d.y2 = d.target.y;
return "M "+(d.source.x+d.source.w/2)+" "+(d.source.y+y)+
" C "+(d.source.x+d.source.w/2+scale*node_width)+" "+(d.source.y+y)+" "+
(d.target.x-d.target.w/2-scale*node_width)+" "+d.target.y+" "+
" C "+(d.source.x+d.source.w/2+scale*node_width)+" "+(d.source.y+y+scaleY*node_height)+" "+
(d.target.x-d.target.w/2-scale*node_width)+" "+(d.target.y-scaleY*node_height)+" "+
(d.target.x-d.target.w/2)+" "+d.target.y;
})