WoRB::Ball Class Reference

Encapsulates a rigid body with geometry of a sphere. More...

#include <Utilities.h>

Inheritance diagram for WoRB::Ball:

Collaboration diagram for WoRB::Ball:

Public Member Functions
	Ball (Quaternion position, Quaternion orientation, Quaternion velocity, Quaternion angularVelocity, double radius, double mass)
	Creates a ball at the given location.
virtual RigidBody &	GetBody ()
	Gets underlying rigid body.
virtual Geometry &	GetGeometry ()
	Gets underlying geometry.
virtual void	Render (RenderType type)
	Draws the geometry.
virtual void	RenderWireframe (double *transform)
	Draws the wireframe of the rigid body.
Static Private Attributes
static const int	slices = 20
	Number of slices for glutSolidSphere()
static const int	stacks = 20
	Number of stacks for glutSolidSphere()

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Detailed Description

Encapsulates a rigid body with geometry of a sphere.

Definition at line 297 of file Utilities.h.

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Constructor & Destructor Documentation

WoRB::Ball::Ball	(	Quaternion	position,
		Quaternion	orientation,
		Quaternion	velocity,
		Quaternion	angularVelocity,
		double	radius,
		double	mass
	)		[inline]

Creates a ball at the given location.

Definition at line 308 of file Utilities.h.

References WoRB::RigidBody::Activate(), WoRB::GLUT_Renderer::ActiveColor, WoRB::Geometry::Body, WoRB::GLUT_Renderer::InactiveColor, WoRB::Sphere::Radius, WoRB::RigidBody::Set_XQVW(), and WoRB::Sphere::SetMass().

        {
            Body = this;

            Radius = radius;

            ActiveColor   = Colorf( 0.9f, 0.7f, 0.7f, 0.8f );
            InactiveColor = Colorf( 0.7f, 0.7f, 0.9f, 0.8f );

            SetMass( mass );

            Body->Set_XQVW( position, orientation, velocity, angularVelocity );
            Body->Activate ();
        }

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Member Function Documentation

virtual RigidBody& WoRB::Ball::GetBody

(

)

[inline, virtual]

Gets underlying rigid body.

Implements WoRB::GLUT_Renderer.

Definition at line 331 of file Utilities.h.

        {
            return *this;
        }

virtual Geometry& WoRB::Ball::GetGeometry

(

)

[inline, virtual]

Gets underlying geometry.

Implements WoRB::GLUT_Renderer.

Definition at line 338 of file Utilities.h.

        { 
            return *this;
        }

virtual void WoRB::Ball::Render

(

RenderType

type

)

[inline, virtual]

Draws the geometry.

Implements WoRB::GLUT_Renderer.

Definition at line 345 of file Utilities.h.

References WoRB::GLUT_Renderer::Colorf::A, WoRB::GLUT_Renderer::ActiveColor, WoRB::GLUT_Renderer::Colorf::B, WoRB::Geometry::Body, WoRB::GLUT_Renderer::BodyAxes, WoRB::GLUT_Renderer::BodyShadow, WoRB::GLUT_Renderer::BodyShape, WoRB::GLUT_Renderer::Colorf::G, WoRB::GLUT_Renderer::InactiveColor, WoRB::RigidBody::IsActive, WoRB::GLUT_Renderer::Colorf::R, WoRB::Sphere::Radius, WoRB::RenderStateVariables(), slices, and stacks.

        {
            if ( type == BodyAxes )
            {
                RenderStateVariables( *Body, Quaternion(0,1,1,1) * Radius * 2.0 );
                return;
            }

            GLTransform bodySpace( *Body, /* flattenHeight if */ type == BodyShadow );

            if ( type != BodyShadow )
            {
                if ( Body->IsActive ) {
                    glColor4f( ActiveColor.R, ActiveColor.G, ActiveColor.B,
                        type == BodyShape ? ActiveColor.A : ActiveColor.A/2 );
                }
                else {
                    glColor4f( InactiveColor.R, InactiveColor.G, InactiveColor.B,
                        type == BodyShape ? ActiveColor.A : ActiveColor.A/2 );
                }
            }

            glutSolidSphere( Radius, slices, stacks );
        }

virtual void WoRB::Ball::RenderWireframe

(

double *

transform

)

[inline, virtual]

Draws the wireframe of the rigid body.

Implements WoRB::GLUT_Renderer.

Definition at line 372 of file Utilities.h.

References WoRB::Sphere::Radius, slices, and stacks.

        {
            GLTransform bodySpace( transform );
            glColor4f( 0.0f, 0.0f, 0.0f, 0.1f );
            glutWireSphere( Radius, slices, stacks );
        }

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Field Documentation

const int WoRB::Ball::slices = 20 [static, private]

Number of slices for glutSolidSphere()

Definition at line 299 of file Utilities.h.

Referenced by Render(), and RenderWireframe().

const int WoRB::Ball::stacks = 20 [static, private]

Number of stacks for glutSolidSphere()

Definition at line 300 of file Utilities.h.

Referenced by Render(), and RenderWireframe().

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

• Utilities.h