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nl.kun.Engine3D
Class TLine2D

java.lang.Object
  |
  +--nl.kun.Engine3D.TVector3D
        |
        +--nl.kun.Engine3D.TCoordSys3D
              |
              +--nl.kun.Engine3D.TEntity3D
                    |
                    +--nl.kun.Engine3D.TLine2D
public class TLine2D
extends TEntity3D

This class defines a line at z=0. It is an object optimized to be positioned on the x-y plane at z=0. The projections on the camera are thus faster for this object.

Fields inherited from class nl.kun.Engine3D.TEntity3D
color, GlobalCords, ParentGlobalCords, Vissible
 
Fields inherited from class nl.kun.Engine3D.TCoordSys3D
Xaxis, Yaxis, Zaxis
 
Fields inherited from class nl.kun.Engine3D.TVector3D
DBSCIENTIFIC, DBSTANDARD, x, y, z
 
Constructor Summary
TLine2D()
          Empty constructor.
TLine2D(double _x1, double _y1, double _x2, double _y2, java.awt.Color _cl)
          Constructor.
 
Method Summary
 double Depth(TCamera3D _cam)
          This routine prerenders the objects and calculates the distances from the object to the camera (depth).
 void Draw(TCamera3D _cam, Viewport _Viewport)
          Draws the vissible parts of this object onto the viewport, as if it where projecting itself on a camera.
 void InheritGlobalCords(TCoordSys3D _Parent)
          Inherits the global coordinates of it's parent, and adjusts it's own global coordinates if the local coordinate system is changed.
 double Length()
          Length of this line
 TLine2D Line2D(double _x1, double _y1, double _x2, double _y2)
          A routines that does the same as a constructor, only the object is not newed.
 
Methods inherited from class nl.kun.Engine3D.TEntity3D
Rotate, Translate, Translate, Vector3D, Vector3D
 
Methods inherited from class nl.kun.Engine3D.TCoordSys3D
CoordSys3D, CoordSys3D, CoordSys3D, Global2Local, Global2Local, Global2Local, Local2Global, Local2Global, Local2Global, toString
 
Methods inherited from class nl.kun.Engine3D.TVector3D
Angle, Double2String, Double2String, Modulus, Modulus, Negate, Negate, Normalize, Normalize, NulVec, StdXaxis, StdYaxis, StdZaxis, String2Double, VAdd, VCrossProduct, VCrossProduct, VDotProduct, Vector3D, VPerpendicular, VPerpendicular, VScalarProduct, VScalarProduct, VScalarProduct, VSubstract, VSubstract
 
Methods inherited from class java.lang.Object
, clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

TLine2D

public TLine2D(double _x1,
               double _y1,
               double _x2,
               double _y2,
               java.awt.Color _cl)
Constructor.
Parameters:
_x1 - the x position of the first point of the 2D line
_y1 - the y position of the first point of the 2D line
_x2 - the x position of the second point of the 2D line
_y2 - the y position of the second point of the 2D line
_cl - the color of the line.

TLine2D

public TLine2D()
Empty constructor. Defines a black line starting at (0,0,0) ending at (1,0,0)
Method Detail

Line2D

public TLine2D Line2D(double _x1,
                      double _y1,
                      double _x2,
                      double _y2)
A routines that does the same as a constructor, only the object is not newed. Can be used to change the contents of the object without constructing it again.
Parameters:
_x1 - the x position of the first point of the 2D line
_y1 - the y position of the first point of the 2D line
_x2 - the x position of the second point of the 2D line
_y2 - the y position of the second point of the 2D line

Depth

public double Depth(TCamera3D _cam)
Description copied from class: TEntity3D
This routine prerenders the objects and calculates the distances from the object to the camera (depth). If more than one 3D object is inside this object, it returns the average depth. This depth can be used by a a parent TEntityList3D object to sort all TEntity3D's according to depth.
Overrides:
Depth in class TEntity3D
Tags copied from class: TEntity3D
Parameters:
_cam - The camera.

Draw

public void Draw(TCamera3D _cam,
                 Viewport _Viewport)
Description copied from class: TEntity3D
Draws the vissible parts of this object onto the viewport, as if it where projecting itself on a camera.
Overrides:
Draw in class TEntity3D
Tags copied from class: TEntity3D
Parameters:
_cam - The camera.
_Viewport - Viewport object. This viewport object handles clipping and transformation of real world coordinates to screen coordinates. It does the real drawing on the screen.
See Also:
TCamera3D, Viewport

Length

public double Length()
Length of this line

InheritGlobalCords

public void InheritGlobalCords(TCoordSys3D _Parent)
Description copied from class: TEntity3D
Inherits the global coordinates of it's parent, and adjusts it's own global coordinates if the local coordinate system is changed.
Overrides:
InheritGlobalCords in class TEntity3D
Tags copied from class: TEntity3D
Parameters:
_Parent - The parent coordinate system.
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