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Collision checking implemented

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This commit is contained in:
Gonzalo Bellver 2012-01-16 18:37:01 -03:00
parent 039b5d8c8a
commit 3f83bf95ea
5 changed files with 93 additions and 7 deletions
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5
mindplot/src/main/javascript/layout/Node.js
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@ -157,6 +157,11 @@ mindplot.layout.Node = new Class({
return this._sorter;
},
getVertex: function() {
var a = {x: this.getPosition().x - this.getSize().width/2, y:this.getPosition().y - this.getSize().height/2};
var b = {x: this.getPosition().x + this.getSize().width/2, y:this.getPosition().y + this.getSize().height/2};
return {a:a, b:b};
},
toString: function() {
return "[id:" + this.getId() + ", order:" + this.getOrder() + ", position: {" + this.getPosition().x + "," + this.getPosition().y + "}, size: {" + this.getSize().width + "}," + this.getSize().height + ", shrink:" + this.areChildrenShrunken() + "]";

63
mindplot/src/main/javascript/layout/OriginalLayout.js
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@ -74,6 +74,8 @@ mindplot.layout.OriginalLayout = new Class({
var heightById = sorter.computeChildrenIdByHeights(this._treeSet, node);
this._layoutChildren(node, heightById);
this._fixOverlapping(node, heightById);
}, this);
},
@ -118,6 +120,67 @@ mindplot.layout.OriginalLayout = new Class({
children.forEach(function(child) {
this._layoutChildren(child, heightById);
}, this);
},
_fixOverlapping: function(node, heightById) {
// console.log("\t\tnode {id:" + node.getId() + "}"); //TODO(gb): Remove trace!!!
var children = this._treeSet.getChildren(node);
var freeChildren = children.filter(function(child) {return child.isFree()});
// Check for overlap only for free children
freeChildren.forEach(function(child) {
var childVertex = child.getVertex();
// console.log("\t\t\tchild {id:" + child.getId() + ", x0:(" + childVertex.a.x + "," + childVertex.a.y + "), x1:(" + childVertex.b.x + "," + childVertex.b.y + ")}"); //TODO(gb): Remove trace!!!
// Overlap should only occur with siblings (?)
var colliders = this._getColliders(child);
colliders.forEach(function(collider) {
console.log("\t\t\tcollider {id:" + collider.getId() + ", with:" + child.getId() +"}"); //TODO(gb): Remove trace!!!
}, this);
if (colliders.length == 0) {
console.log("\t\t\tNo colliders"); //TODO(gb): Remove trace!!!
}
}, this);
children.forEach(function(child) {
this._fixOverlapping(child, heightById);
}, this);
},
_getColliders: function(node) {
console.log("\t\tcheck with colliders for node " + node.getId() + ":`"); //TODO(gb): Remove trace!!!
var siblings = this._treeSet.getSiblings(node);
var colliders = [];
siblings.forEach(function(sibling) {
var collisions = this._checkCollision(node, sibling, colliders);
if (this._nodesCollide(node, sibling)) {
collisions.push(sibling);
}
}, this);
return colliders;
},
_checkCollision: function(checkNode, node, colliders) {
var children = this._treeSet.getChildren(node);
children.forEach(function(child) {
if (this._nodesCollide(checkNode, child)) {
colliders.push(child);
}
this._checkCollision(checkNode, child, colliders);
}, this);
return colliders;
},
_nodesCollide: function(nodeA, nodeB) {
var nodeAVertex = nodeA.getVertex();
var nodeBVertex = nodeB.getVertex();
return nodeAVertex.a.x < nodeBVertex.b.x && nodeAVertex.b.x > nodeBVertex.a.x &&
nodeAVertex.a.y < nodeBVertex.b.y && nodeAVertex.b.y > nodeBVertex.a.y;
}
});

20
mindplot/src/main/javascript/layout/RootedTreeSet.js
View File

@ -127,8 +127,8 @@ mindplot.layout.RootedTreeSet = new Class({
return this._getAncestors(this.getParent(node), []);
},
_getAncestors: function(node, nodes) {
var result = nodes;
_getAncestors: function(node, ancestors) {
var result = ancestors;
if (node) {
result.push(node);
this._getAncestors(this.getParent(node), result);
@ -138,8 +138,13 @@ mindplot.layout.RootedTreeSet = new Class({
getSiblings: function(node) {
$assert(node, 'node cannot be null');
var siblings = node._parent._children;
return siblings.erase(node);
if (!$defined(node._parent)) {
return [];
}
var siblings = node._parent._children.filter(function(child) {
return child != node;
});
return siblings;
},
getParent:function(node) {
@ -184,14 +189,15 @@ mindplot.layout.RootedTreeSet = new Class({
var order = node.getOrder() == null ? "r" : node.getOrder();
var text = canvas.text(node.getPosition().x + canvas.width / 2, node.getPosition().y + canvas.height / 2, node.getId() + "[" + order + "]");
text.attr('fill', '#FFF');
var fillColor = this._rootNodes.contains(node) ? "#000" : "#c00";
var fillColor = this._rootNodes.contains(node) ? "#000" : (node.isFree() ? "#abc" : "#c00");
rect.attr('fill', fillColor);
var rectPosition = {x: rect.attr("x") - canvas.width/2 + rect.attr("width")/2, y:rect.attr("y") - canvas.height/2 + rect.attr("height")/2};
rect.click(function() {
console.log("[id:" + node.getId() + ", order:" + node.getOrder() + ", position:(" + node.getPosition().x + "," + node.getPosition().y + "), size:" + node.getSize().width + "x" + node.getSize().height + ", sorter:" + node.getSorter() +"]");
console.log("[id:" + node.getId() + ", order:" + node.getOrder() + ", position:(" + rectPosition.x + "," + rectPosition.y + "), size:" + node.getSize().width + "x" + node.getSize().height + ", sorter:" + node.getSorter() +"]");
});
text.click(function() {
console.log("[id:" + node.getId() + ", order:" + node.getOrder() + ", position:(" + node.getPosition().x + "," + node.getPosition().y + "), size:" + node.getSize().width + "x" + node.getSize().height + ", sorter:" + node.getSorter() +"]");
console.log("[id:" + node.getId() + ", order:" + node.getOrder() + ", position:(" + rectPosition.x + "," + rectPosition.y + "), size:" + node.getSize().width + "x" + node.getSize().height + ", sorter:" + node.getSorter() +"]");
});
for (var i = 0; i < children.length; i++) {

10
mindplot/src/test/javascript/static/TestSuite.js
View File

@ -688,6 +688,16 @@ mindplot.layout.TestSuite = new Class({
manager.addNode(13, mindplot.layout.TestSuite.NODE_SIZE, position).connectNode(5,13,3);
manager.layout();
manager.plot("testFreePosition5", {width:1000, height:400});
console.log("\tmove node 13 to overlap node 11:");
manager.move(13, {x:415, y:70});
manager.layout();
manager.plot("testFreePosition6", {width:1000, height:400});
console.log("\tmove node 1 to overlap node 4:");
manager.move(1, {x:250, y:-90});
manager.layout();
manager.plot("testFreePosition7", {width:1000, height:400});
}
});

2
mindplot/src/test/javascript/static/layout.html
View File

@ -114,6 +114,8 @@
<div id="testFreePosition3" class="col last"></div>
<div id="testFreePosition4" class="col last"></div>
<div id="testFreePosition5" class="col last"></div>
<div id="testFreePosition6" class="col last"></div>
<div id="testFreePosition7" class="col last"></div>
</body>
</html>