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Unit
  matrix

Description
  this file implements function to operate with vectors and matrices

Author
 

Wolfgang Freiler
Philipp Hartl

Version
 

1.0

Classes
 
Class Description

Types
 
Type Description
TMatrix3x3f #No TAG found in source code#
TPoint2Di #No TAG found in source code#
TPoint2Dui #No TAG found in source code#
TPoint3D #No TAG found in source code#
TPoint3Dui #No TAG found in source code#
TVector2D #No TAG found in source code#

Constants
 
Constant Description

Variables
 
Variable Description

Functions
 
Function Description
AbsoluteValue Returns the absolute value of a vector
AddVectors Adds two vectors
CrossProduct the cross or outer product of two vectors
DotProduct calculates the dot product of two vectors
GetIdentityMatrix creates the identity matrix
GetRotateMatrix creates a rotate matrix
GetScaleMatrix creates a scale matrix
GetTranslateMatrix creates a translation matrix
InvertTransformAndScaleMatrix inverts a matrix consisting of transformation an scale-matrices only.
MultiplyMatrices multiplies two matrices
NegativeVector inverts a vector
NormalizeVector normalize a vector (set its length to 1)
NormalOfLine a fast method to get a normal vector of a line (p1 -> p2)
Point2Di returns a TPoint2Di consisting of (x,y)
Point3D Returns a TPoint3D consisting of x,y and w
QuadDistance calculates the square of the distance between two vectors
ScaleVector Scales a vector by a decimal value
SubtractVectors subtract two vectors
TransformPoint transforms a point by multiplying it with a matrix
Vector2D Returns a TVector2D consisting of x and y
Vector2D Returns a TVector2D from point 1 to point 2

Links
  #UnderConstruction#

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Under GNU GPL licence. Copyright (c) 2003 - TridenT.