public Model()
{
WorldMouse = new Models.WorldMouse();
BoundingBox = new BoundingBox();
allViewPorts = new Dictionary<String, CadViewPort>();
allGrahics = new List<Graphic>();
NotificationTarget = null;
FeatureList = new FeatureList();
}
public void BoundingBox_Translated_20_20Rotated45degrees_yields28_28()
{
var bb = new BoundingBox(-90, -10, 110, 10);
var aspectVector = bb.getAsVectorLLtoUR();
bb.setFrom_2dOnly(new Point(100, 0), 20, 20, Angle.AngleFactory(45.0));
aspectVector = bb.getAsVectorLLtoUR();
Double expectedURx = 114.142136; Double expectedURy = 14.142136;
Double expectedLLx = 85.85786;
Double actualURx = bb.upperRightPt.x;
Double actualURy = bb.upperRightPt.y;
Double actualLLx = bb.lowerLeftPt.x;
Assert.AreEqual(expected: expectedURx, actual: actualURx, delta: 0.00001);
Assert.AreEqual(expected: expectedLLx, actual: actualLLx, delta: 0.00001);
Assert.AreEqual(expected: expectedURy, actual: actualURy, delta: 0.00001);
Assert.AreEqual(expected: aspectVector.Length, actual: 40.0, delta: 0.00001);
Assert.AreEqual(expected: aspectVector.Azimuth.getAsDegreesDouble(),
actual: 45.0, delta: 0.00001);
}
public void BoundingBox_TotallyContainsOther_returnsTrue()
{
var bbBigUn = new BoundingBox(100, 100, 500, 500);
var bbLittleUn = new BoundingBox(150, 150, 250, 250);
Assert.AreEqual(expected: true,
actual: bbBigUn.overlapsWith(bbLittleUn));
Assert.AreEqual(expected: true,
actual: bbLittleUn.overlapsWith(bbBigUn));
}
public void BoundingBox_OverlapsOther_Partial_returnsTrue()
{
var bbLeftLow = new BoundingBox(100, 100, 200, 200);
var bbRightHigh = new BoundingBox(150, 150, 250, 250);
Assert.AreEqual(expected: true,
actual: bbLeftLow.overlapsWith(bbRightHigh));
Assert.AreEqual(expected: true,
actual: bbRightHigh.overlapsWith(bbLeftLow));
}
public void BoundingBox_NoOverlapOther_returnsFalse_case2()
{
var bbLeftLow = new BoundingBox(151, 151, 250, 250);
var bbRightHigh = new BoundingBox(251, 51, 350, 150);
Assert.AreEqual(expected: false,
actual: bbLeftLow.overlapsWith(bbRightHigh));
Assert.AreEqual(expected: false,
actual: bbRightHigh.overlapsWith(bbLeftLow));
}
public void BoundingBox_CenterPoint_returnCorrectValue()
{
var aBB = new BoundingBox(-100, -100, 100, 100);
Assert.AreEqual(expected: 0.0, actual: aBB.centerPt.x, delta: 0.000001);
Assert.AreEqual(expected: 0.0, actual: aBB.centerPt.y, delta: 0.000001);
}
public bool overlapsWith(BoundingBox other)
{
return !dontOverlap(other);
//var MaxUR = Math.Max(this.upperRightPt.x, other.upperRightPt.x);
//var MinLL = Math.Min(this.lowerLeftPt.x, other.lowerLeftPt.x);
//if (Math.Abs(MaxUR - MinLL) < 0.00001)
// return false;
//MaxUR = Math.Max(this.upperRightPt.y, other.upperRightPt.y);
//MinLL = Math.Min(this.lowerLeftPt.y, other.lowerLeftPt.y);
//if (Math.Abs(MaxUR - MinLL) < 0.00001)
// return false;
//return true;
}
public void expandByBox(BoundingBox other)
{
if (this.isInitialized == false)
{
lowerLeftPt = new Point(other.lowerLeftPt.x, other.lowerLeftPt.y, other.lowerLeftPt.z);
upperRightPt = new Point(other.upperRightPt.x, other.upperRightPt.y, other.upperRightPt.z);
this.isInitialized = true;
}
else
{
if (other.lowerLeftPt.x < lowerLeftPt.x)
lowerLeftPt.x = other.lowerLeftPt.x;
if (other.lowerLeftPt.y < lowerLeftPt.y)
lowerLeftPt.y = other.lowerLeftPt.y;
if (other.lowerLeftPt.z < lowerLeftPt.z)
lowerLeftPt.z = other.lowerLeftPt.z;
if (other.upperRightPt.x > upperRightPt.x)
upperRightPt.x = other.upperRightPt.x;
if (other.upperRightPt.y > upperRightPt.y)
upperRightPt.y = other.upperRightPt.y;
if (other.upperRightPt.z > upperRightPt.z)
upperRightPt.z = other.upperRightPt.z;
}
}
public bool dontOverlap(BoundingBox other)
{
// adapted from http://gamedev.stackexchange.com/questions/586/what-is-the-fastest-way-to-work-out-2d-bounding-box-intersection answer by Wallacoloo
bool dontOverlap = other.Left > this.Right;
dontOverlap |= other.Right < this.Left;
dontOverlap |= other.Top < this.Bottom;
dontOverlap |= other.Bottom > this.Top;
return dontOverlap;
}