World Struct Reference

Public Member Functions
	World (const Vector &_n)
Vector	operator() (const Vector &local) const

Public Attributes
Vector	t
Vector	b
Vector	n

Detailed Description

Definition at line 133 of file tuto_is.cpp.

Constructor & Destructor Documentation

World()

World::World ( const Vector & _n )

inline

Definition at line 135 of file tuto_is.cpp.

                              : n(_n) 
    {
        if(n.z < -0.9999999f)
        {
            t= Vector(0, -1, 0);
            b= Vector(-1, 0, 0);
        }
        else
        {
            float a= 1.f / (1.f + n.z);
            float d= -n.x * n.y * a;
            t= Vector(1.f - n.x * n.x * a, d, -n.x);
            b= Vector(d, 1.f - n.y * n.y * a, -n.y);
        }
    }

Member Function Documentation

operator()()

Vector World::operator() ( const Vector & local ) const

inline

Definition at line 151 of file tuto_is.cpp.

    {
        return local.x * t + local.y * b + local.z * n;
    }

Member Data Documentation

t

Vector World::t

Definition at line 156 of file tuto_is.cpp.

b

Vector World::b

Definition at line 157 of file tuto_is.cpp.

n

Vector World::n

Definition at line 158 of file tuto_is.cpp.

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The documentation for this struct was generated from the following file:

• gkit2_tutos/M2/tuto_is.cpp