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More node manipulations .. nearly there!

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This commit is contained in:
Richard Davey 2013-09-04 21:34:07 +01:00
parent f4dab1847e
commit ca0d1eb8af
1 changed files with 77 additions and 40 deletions
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117
examples/bringToTop.php
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@ -26,6 +26,8 @@
var e;
var f;
var tests;
function create() {
s = game.add.sprite(game.world.centerX, game.world.centerY, 'sonic');
@ -45,6 +47,8 @@
e.name = 'e';
f.name = 'f';
tests = [a,b,c,d,e,f];
game.input.onUp.add(runChange, this);
scanList(s);
@ -64,30 +68,16 @@
if (index1 !== -1 && index2 !== -1)
{
// check for neighbours (cater for any order parameters)
var node1Prev = node1._iPrev;
var node1Next = node1._iNext;
var node2Prev = node2._iPrev;
var node2Next = node2._iNext;
// Check for neighbours (cater for any order parameters)
if (node1._iNext == node2)
{
console.log('A-B neighbour swap');
// Pre-swap:
// X next: a prev: - first: X last: d
// a next: b prev: X first: a last: a
// b next: c prev: a first: b last: b
// c next: d prev: b first: c last: c
// d next: - prev: c first: d last: d
// Post-swap:
// X next: b prev: - first: X last: d
// b next: a prev: X first: b last: b
// a next: c prev: b first: a last: a
// c next: d prev: a first: c last: c
// d next: - prev: c first: d last: d
var node1Prev = node1._iPrev;
var node1Next = node1._iNext;
var node2Prev = node2._iPrev;
var node2Next = node2._iNext;
// Starting
// Node 1 (A) Node 2 (B) X C
// Next: B Next: C Next: A Next: D
@ -118,25 +108,6 @@
{
console.log('B-A neighbour swap');
// Pre-swap:
// X next: a prev: - first: X last: d
// a next: b prev: X first: a last: a
// b next: c prev: a first: b last: b
// c next: d prev: b first: c last: c
// d next: - prev: c first: d last: d
// Post-swap:
// X next: b prev: - first: X last: d
// b next: a prev: X first: b last: b
// a next: c prev: b first: a last: a
// c next: d prev: a first: c last: c
// d next: - prev: c first: d last: d
var node1Prev = node1._iPrev;
var node1Next = node1._iNext;
var node2Prev = node2._iPrev;
var node2Next = node2._iNext;
// Starting
// Node 1 (B) Node 2 (A) X C
// Next: C Next: B Next: A Next: D
@ -163,6 +134,67 @@
node2Next._iPrev = node2;
}
}
else
{
// Nodes are far apart
console.log('Nodes are far apart');
// Pre-swap:
// X next: a prev: - first: X last: d
// a next: b prev: X first: a last: a
// b next: c prev: a first: b last: b
// c next: d prev: b first: c last: c
// d next: e prev: c first: d last: d
// e next: f prev: d first: e last: e
// f next: - prev: e first: f last: f
// Post-swap:
// X next: d prev: - first: X last: d ***
// d next: b prev: X first: d last: d ***
// b next: c prev: d first: b last: b ***
// c next: a prev: b first: c last: c ***
// a next: e prev: c first: a last: a ***
// e next: f prev: a first: e last: e ***
// f next: - prev: e first: f last: f
// Starting
// Node 1 (A) Node 2 (D) N1 Prev (X) N1 Next (B) N2 Prev (C) N2 Next (E)
// Next: B Next: E Next: A Next: C Next: D Next: F
// Prev: X Prev: C Prev: - Prev: A Prev: B Prev: D
// Ending
// Node 1 (A) Node 2 (D) N1 Prev (X) N1 Next (B) N2 Prev (C) N2 Next (E)
// Next: E Next: B Next: D Next: C Next: A Next: F
// Prev: C Prev: X Prev: - Prev: D Prev: B Prev: A
// Simple node 1-2 swap
node1._iNext = node2Next;
node1._iPrev = node2Prev;
node2._iNext = node1Next;
node2._iPrev = node1Prev;
// Now the head and tail for node 1.
if (node1Prev)
{
node1Prev._iNext = node2;
}
if (node1Next)
{
node1Next._iPrev = node2;
}
// Now the head and tail for node 2.
if (node2Prev)
{
node2Prev._iNext = node1;
}
if (node2Next)
{
node2Next._iPrev = node1;
}
}
}
scanList(s);
@ -238,8 +270,13 @@
function render() {
for (var i = 0; i < tests.length; i++)
{
game.debug.renderText(tests[i].name, s.x + tests[i].x + tests[i].width / 2, s.y + tests[i].y - 20);
}
// game.debug.renderSpriteCorners(s, false, false);
// game.debug.renderSpriteInfo(s, 20, 32);
game.debug.renderSpriteInfo(a, 20, 32);
}