PDTriangle Class Reference

#include <pDomain.h>

Inheritance diagram for PDTriangle:

Collaboration diagram for PDTriangle:

List of all members.

Public Member Functions

PDTriangle (const pVec &p0, const pVec &p1, const pVec &p2)

~PDTriangle ()

bool Within (const pVec &pos) const

pVec Generate () const

pDomain * copy () const

Public Attributes

pVec p

pVec u

pVec v

pVec uNrm

pVec vNrm

pVec nrm

float uLen

float vLen

float D

Detailed Description

Definition at line 85 of file pDomain.h.

Constructor & Destructor Documentation

PDTriangle::PDTriangle	(	const pVec &	p0,
		const pVec &	p1,
		const pVec &	p2
	)			`[inline]`

Definition at line 92 of file pDomain.h.

References D, pVec::length(), pVec::normalize(), nrm, p, u, uLen, uNrm, v, vLen, and vNrm.

Referenced by copy().

00093     {
00094         p = p0;
00095         u = p1 - p0;
00096         v = p2 - p0;
00097 
00098         // The rest of this is needed for Avoid and Bounce.
00099         uLen = u.length();
00100         uNrm = u / uLen;
00101         vLen = v.length();
00102         vNrm = v / vLen;
00103 
00104         nrm = Cross(uNrm, vNrm); // This is the non-unit normal.
00105         nrm.normalize(); // Must normalize it.
00106 
00107         D = -(p * nrm);
00108     }

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PDTriangle::~PDTriangle ( ) [inline]

Definition at line 110 of file pDomain.h.

00111     {
00112     }

Member Function Documentation

bool PDTriangle::Within ( const pVec & pos ) const [inline, virtual]

Implements pDomain.

Definition at line 114 of file pDomain.h.

00115     {
00116         return false;
00117     }

pVec PDTriangle::Generate ( ) const [inline, virtual]

Implements pDomain.

Definition at line 119 of file pDomain.h.

References p, pos, pRandf, u, and v.

00120     {
00121         float r1 = pRandf();
00122         float r2 = pRandf();
00123         pVec pos;
00124         if(r1 + r2 < 1.0f)
00125             pos = p + u * r1 + v * r2;
00126         else
00127             pos = p + u * (1.0f-r1) + v * (1.0f-r2);
00128 
00129         return pos;
00130     }

pDomain* PDTriangle::copy ( ) const [inline, virtual]

Implements pDomain.

Definition at line 132 of file pDomain.h.

References PDTriangle().

00133     {
00134         PDTriangle *P = new PDTriangle(*this);
00135         return P;
00136     }

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