scl::topology::sphere Class Reference

#include <sphere.h>

Inheritance diagram for scl::topology::sphere:

Public Member Functions
	sphere (const vec3 &Center, float Radius, int Slices)
	~sphere () override=default
Public Member Functions inherited from scl::topology::grid
int	GetWidth () const
int	GetHeight () const
	grid (int Width, int Height)
	~grid () override=default
Public Member Functions inherited from scl::topology::basis< vertex >
const mesh_type	GetType () const
const std::vector< vertex >	GetVertices () const
const std::vector< u32 >	GetIndices () const
const vec3 &	GetBoundMin () const
const vec3 &	GetBoundMax () const
std::vector< vertex >::const_iterator	cbegin () const
std::vector< vertex >::const_iterator	cend () const
	basis (mesh_type MeshType)
	basis (mesh_type MeshType, const std::vector< vertex > &Vertices, const std::vector< u32 > &Indices)
	basis (mesh_type MeshType, std::vector< vertex > &&Vertices, std::vector< u32 > &&Indices)
virtual	~basis ()=default

Additional Inherited Members
Public Attributes inherited from scl::topology::basis< vertex >
mesh_type	MeshType
std::vector< vertex >	Vertices
std::vector< u32 >	Indices
vec3	Min
vec3	Max

Detailed Description

Topology sphere object class.

Definition at line 16 of file sphere.h.

Constructor & Destructor Documentation

sphere()

scl::topology::sphere::sphere	(	const vec3 &	Center,
		float	Radius,
		int	Slices
	)

• Sphere topolgy obejct constructor by center point and radius.

Parameters

Center	- sphere center point.
Radius	- sphere radius.
Slices	- sphere mesh slices count.

Definition at line 12 of file sphere.cpp.

                                                                      :
    grid(Slices, Slices)
{
    for (int i = 0; i <= Slices; i++)
    {
        float theta = (float)i / Slices * math::PI;
        for (int j = 0; j <= Slices; j++)
        {
            float phi = (float)j / Slices * 2 * math::PI;
            float x = sin(phi) * sin(theta);
            float y = cos(phi);
            float z = sin(phi) * cos(theta);
            float x_tbn = sin(phi) * cos(theta);
            float y_tbn = cos(phi) * cos(theta);
            vec3 position { x, y, z };
            vec3 tangent   = position.Cross({ x_tbn, 0, y_tbn }).Normalized();
            vec3 bitangent = tangent.Cross(position).Normalized();
            vec2 texture_coordinates { (float)i / Slices, (float)j / Slices };
 
            Vertices.emplace_back(
                position * Radius + Center, position,
                tangent, bitangent,
                texture_coordinates
            );
        }
    }
 
    Min = -vec3(Radius), Max = vec3(Radius);
}

~sphere()

scl::topology::sphere::~sphere ( )

overridedefault

Sphere topology object default destructor.

---

The documentation for this class was generated from the following files:

• core/resources/topology/sphere.h
• core/resources/topology/sphere.cpp