public Torus(float a_arg, float b_arg)
{
_a = a_arg;
_b = b_arg;
_boundingBox = new BoundingBox(-_a - _b, _a + _b, -_b, _b, -_a - _b, _a + _b);
}
public Torus()
{
_a = 2.0f;
_b = 1.0f;
_boundingBox = new BoundingBox(-_a - _b, _a + _b, -_b, _b, -_a - _b, _a + _b);
}
public ImplicitHeart()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-1.5f);
highBound = new Vector3(1.5f);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 4.0f;
distanceMultiplier = 0.1f;
}
public ImplicitWineGlass()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-3.0f);
highBound = new Vector3(3.0f);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 9.0f;
distanceMultiplier = 0.3f;
triggerDistance = 0.1f;
}
public ImplicitBarthSextic()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-3.5f);
highBound = new Vector3(3.5f);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 10.0f;
distanceMultiplier = 0.4f;
triggerDistance = 0.01f;
}
protected float triggerDistance; //Distance at which a hit is registered
#endregion Fields
#region Constructors
public RayMarchedImplicit()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-4);
highBound = new Vector3(4);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 4.0f;
distanceMultiplier = 0.1f;
triggerDistance = 0.1f;
}
public ImplicitDecocube()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-1.5f);
highBound = new Vector3(1.5f);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 3.0f;
distanceMultiplier = 0.1f;
triggerDistance = 0.01f;
r = 0.01f;
}
public ImplicitCloth()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-30,-8,-30);
highBound = new Vector3(30, 8, 30);
minimumRaymarchStep = 1.0e-4f;
maximumRaymarchStep = 10.0f;
distanceMultiplier = 0.1f;
triggerDistance = 0.1f;
w = (float)Math.PI;
RECURSIONDEPTH = 15;
}
public ImplicitSphere()
{
r = 1.0f;
disp = new Vector3(0, 0, 0);
boundingBox = new BoundingBox();
lowBound = new Vector3(-2*r);
highBound = new Vector3(2*r);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 5.0f;
distanceMultiplier = 0.3f;
triggerDistance = 0.1f;
}
public WeightedAverageImplicit()
{
boundingBox = new BoundingBox();
lowBound = new Vector3(-2.5f);
highBound = new Vector3(2.5f);
minimumRaymarchStep = 1.0e-5f;
maximumRaymarchStep = 4.0f;
distanceMultiplier = 0.1f;
triggerDistance = 0.1f;
parameter0 = 1.0f;
parameter1 = 0.0f;
_implicit0 = new ImplicitSphere();
_implicit1 = new ImplicitDecocube();
}
/*
public override Material getMaterial()
{
if (_material == null)
{
return payload.getMaterial();
}
else
{
return _material;
}
}
public override BoundingBox get_bounding_box()
{
compute_bounding_box();
return bbox;
}
*/
public void ComputeBoundingBox()
{
//Get the bounding box of the payload prior to transformation.
BoundingBox preTransform = payload.BoundingBox;
float x0 = preTransform.corner0.X;
float x1 = preTransform.corner1.X;
float y0 = preTransform.corner0.Y;
float y1 = preTransform.corner1.Y;
float z0 = preTransform.corner0.Z;
float z1 = preTransform.corner1.Z;
//Get points representing all 8 corners of the bounding box
Point3D[] points = new Point3D[8];
points[0] = new Point3D(x0, y0, z0);
points[1] = new Point3D(x0, y1, z0);
points[2] = new Point3D(x0, y0, z1);
points[3] = new Point3D(x0, y1, z1);
points[4] = new Point3D(x1, y0, z0);
points[5] = new Point3D(x1, y1, z0);
points[6] = new Point3D(x1, y0, z1);
points[7] = new Point3D(x1, y1, z1);
//Transform all corner points
for(int i = 0; i < 8; i++)
{
points[i] = netTransformationMatrix * points[i];
}
float xmin = GlobalVars.K_HUGE_VALUE;
float xmax = -GlobalVars.K_HUGE_VALUE;
float ymin = GlobalVars.K_HUGE_VALUE;
float ymax = -GlobalVars.K_HUGE_VALUE;
float zmin = GlobalVars.K_HUGE_VALUE;
float zmax = -GlobalVars.K_HUGE_VALUE;
//Find xmin, xmax, ymin, ymax, and zmin, zmax
for(int i = 0; i < 8; i++)
{
if (points[i].X < xmin) xmin = points[i].X;
if (points[i].X > xmax) xmax = points[i].X;
if (points[i].Y < ymin) ymin = points[i].Y;
if (points[i].Y > ymax) ymax = points[i].Y;
if (points[i].Z < zmin) zmin = points[i].Z;
if (points[i].Z > zmax) zmax = points[i].Z;
}
//Create bounding box based on transformed payload bounding box
boundingBox = new BoundingBox(xmin, xmax, ymin, ymax, zmin, zmax);
}
//Constructors
public UniformGrid()
: base()
{
//cells = new List<RenderableObject>();
_boundingBox = new BoundingBox();
}
