var __extends = this.__extends || function (d, b) {
function __() { this.constructor = d; }
__.prototype = b.prototype;
d.prototype = new __();
};
var Phaser;
(function (Phaser) {
(function (Physics) {
///
///
///
///
///
/**
* Phaser - Advanced Physics - Shapes - Segment
*
* Based on the work Ju Hyung Lee started in JS PhyRus.
*/
(function (Shapes) {
var Segment = (function (_super) {
__extends(Segment, _super);
function Segment(a, b, radius) {
_super.call(this, Physics.AdvancedPhysics.SHAPE_TYPE_SEGMENT);
this.a = a.duplicate();
this.b = b.duplicate();
this.radius = radius;
this.normal = Phaser.Vec2Utils.perp(Phaser.Vec2Utils.subtract(b, a));
this.normal.normalize();
this.ta = new Phaser.Vec2();
this.tb = new Phaser.Vec2();
this.tn = new Phaser.Vec2();
this.finishVerts();
}
Segment.prototype.finishVerts = function () {
this.normal = Phaser.Vec2Utils.perp(Phaser.Vec2Utils.subtract(this.b, this.a));
this.normal.normalize();
this.radius = Math.abs(this.radius);
};
Segment.prototype.duplicate = function () {
return new Phaser.Physics.Shapes.Segment(this.a, this.b, this.radius);
};
Segment.prototype.recenter = function (c) {
this.a.subtract(c);
this.b.subtract(c);
};
Segment.prototype.transform = function (xf) {
Phaser.TransformUtils.transform(xf, this.a, this.a);
Phaser.TransformUtils.transform(xf, this.b, this.b);
//this.a = xf.transform(this.a);
//this.b = xf.transform(this.b);
};
Segment.prototype.untransform = function (xf) {
Phaser.TransformUtils.untransform(xf, this.a, this.a);
Phaser.TransformUtils.untransform(xf, this.b, this.b);
//this.a = xf.untransform(this.a);
//this.b = xf.untransform(this.b);
};
Segment.prototype.area = function () {
return Physics.AdvancedPhysics.areaForSegment(this.a, this.b, this.radius);
};
Segment.prototype.centroid = function () {
return Physics.AdvancedPhysics.centroidForSegment(this.a, this.b);
};
Segment.prototype.inertia = function (mass) {
return Physics.AdvancedPhysics.inertiaForSegment(mass, this.a, this.b);
};
Segment.prototype.cacheData = function (xf) {
Phaser.TransformUtils.transform(xf, this.a, this.ta);
Phaser.TransformUtils.transform(xf, this.b, this.tb);
//this.ta = xf.transform(this.a);
//this.tb = xf.transform(this.b);
this.tn = Phaser.Vec2Utils.perp(Phaser.Vec2Utils.subtract(this.tb, this.ta)).normalize();
var l;
var r;
var t;
var b;
if(this.ta.x < this.tb.x) {
l = this.ta.x;
r = this.tb.x;
} else {
l = this.tb.x;
r = this.ta.x;
}
if(this.ta.y < this.tb.y) {
b = this.ta.y;
t = this.tb.y;
} else {
b = this.tb.y;
t = this.ta.y;
}
this.bounds.mins.setTo(l - this.radius, b - this.radius);
this.bounds.maxs.setTo(r + this.radius, t + this.radius);
};
Segment.prototype.pointQuery = function (p) {
if(!this.bounds.containPoint(p)) {
return false;
}
var dn = Phaser.Vec2Utils.dot(this.tn, p) - Phaser.Vec2Utils.dot(this.ta, this.tn);
var dist = Math.abs(dn);
if(dist > this.radius) {
return false;
}
var dt = Phaser.Vec2Utils.cross(p, this.tn);
var dta = Phaser.Vec2Utils.cross(this.ta, this.tn);
var dtb = Phaser.Vec2Utils.cross(this.tb, this.tn);
if(dt <= dta) {
if(dt < dta - this.radius) {
return false;
}
return Phaser.Vec2Utils.distanceSq(this.ta, p) < (this.radius * this.radius);
} else if(dt > dtb) {
if(dt > dtb + this.radius) {
return false;
}
return Phaser.Vec2Utils.distanceSq(this.tb, p) < (this.radius * this.radius);
}
return true;
};
Segment.prototype.findVertexByPoint = function (p, minDist) {
var dsq = minDist * minDist;
if(Phaser.Vec2Utils.distanceSq(this.ta, p) < dsq) {
return 0;
}
if(Phaser.Vec2Utils.distanceSq(this.tb, p) < dsq) {
return 1;
}
return -1;
};
Segment.prototype.distanceOnPlane = function (n, d) {
var a = Phaser.Vec2Utils.dot(n, this.ta) - this.radius;
var b = Phaser.Vec2Utils.dot(n, this.tb) - this.radius;
return Math.min(a, b) - d;
};
return Segment;
})(Phaser.Physics.Shape);
Shapes.Segment = Segment;
})(Physics.Shapes || (Physics.Shapes = {}));
var Shapes = Physics.Shapes;
})(Phaser.Physics || (Phaser.Physics = {}));
var Physics = Phaser.Physics;
})(Phaser || (Phaser = {}));