Functions
bool	gcgDrawLogo (float scale=0.67)
	Draws the GCG logo on the top right conner of the viewport. More...

bool	gcgDrawAABox (VECTOR3 bbmin, VECTOR3 bbmax)
	Draws an axis aligned box. Normals are sent and can be used for lighting. All parameters are float values. More...

bool	gcgDrawAABox (VECTOR3d bbmin, VECTOR3d bbmax)
	Draws an axis aligned box. Normals are sent and can be used for lighting. All parameters are double values. More...

bool	gcgDrawOBox (VECTOR3 obbangles, VECTOR3 obbcenter, VECTOR3 obbsize)
	Draws an oriented box. Normals are sent and can be used for lighting. All parameters are float values. More...

bool	gcgDrawOBox (VECTOR3d obbangles, VECTOR3d obbcenter, VECTOR3d obbsize)
	Draws an oriented box. Normals are sent and can be used for lighting. All parameters are double values. More...

bool	gcgDrawVectorPyramid (float x, float y, float z, VECTOR3 vector, float scale)
	Draws an oriented pyramid (its base is not drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are float. More...

bool	gcgDrawVectorPyramid (float x, float y, float z, VECTOR3d vector, float scale)
	Draws an oriented pyramid (its base is not drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are double. More...

bool	gcgDrawVectorPyramidClosed (float x, float y, float z, VECTOR3 vector, float scale)
	Draws an oriented pyramid (its base is also drawn) which can be used to represent vectors: 6 triangles are drawn using 8 vertices. Normals are sent and can be used for lighting. All parameters are float. More...

bool	gcgDrawVectorPyramidClosed (float x, float y, float z, VECTOR3d vector, float scale)
	Draws an oriented pyramid (its base is also drawn) which can be used to represent vectors: 6 triangles are drawn using 8 vertices. Normals are sent and can be used for lighting. All parameters are double. More...

bool	gcgDrawVectorThetrahedron (float x, float y, float z, VECTOR3 vector, float scale)
	Draws an oriented thetahedron (its base is not drawn) which can be used to represent vectors: 3 triangles are drawn using 5 vertices. Normals are sent and can be used for lighting. All parameters are float. More...

bool	gcgDrawVectorThetrahedron (float x, float y, float z, VECTOR3d vector, float scale)
	Draws an oriented thetrahedron (its base is not drawn) which can be used to represent vectors: 3 triangles are drawn using 5 vertices. Normals are sent and can be used for lighting. All parameters are double. More...

bool	gcgDrawVectorThetrahedronClosed (float x, float y, float z, VECTOR3 vector, float scale)
	Draws an oriented thetrahedron (its base is also drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are float. More...

bool	gcgDrawVectorThetrahedronClosed (float x, float y, float z, VECTOR3d vector, float scale)
	Draws an oriented thetrahedron (its base is also drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are double. More...

Detailed Description

This section presents functions and classes for drawing primitives.

Function Documentation

◆ gcgDrawAABox() [1/2]

bool gcgDrawAABox	(	VECTOR3	bbmin,
		VECTOR3	bbmax
	)

Draws an axis aligned box. Normals are sent and can be used for lighting. All parameters are float values.

Parameters

[in]	bbmin	Minimum x, y and z coordinates of the bounding box.
[in]	bbmax	Maximum x, y and z coordinates of the bounding box.

Returns: true if the axis aligned bounding box is correctly drawn.

Since: 0.01.0

◆ gcgDrawAABox() [2/2]

bool gcgDrawAABox	(	VECTOR3d	bbmin,
		VECTOR3d	bbmax
	)

Draws an axis aligned box. Normals are sent and can be used for lighting. All parameters are double values.

Parameters

[in]	bbmin	Minimum x, y and z coordinates of the bounding box.
[in]	bbmax	Maximum x, y and z coordinates of the bounding box.

Returns: true if the axis aligned bounding box is correctly drawn.

Since: 0.01.0

◆ gcgDrawLogo()

bool gcgDrawLogo ( float scale = 0.67 )

Draws the GCG logo on the top right conner of the viewport.

Parameters

[in] scale Factor to be used in scaling the GCG logo image which originally has 256 by 64 pixels.

Returns: true if the logo is correctly drawn.

Remarks: Modifies several graphics library features: blending, depth test, texture enabling, matrix mode, shade model and polygon filling.

Since: 0.01.0

◆ gcgDrawOBox() [1/2]

bool gcgDrawOBox	(	VECTOR3	obbangles,
		VECTOR3	obbcenter,
		VECTOR3	obbsize
	)

Draws an oriented box. Normals are sent and can be used for lighting. All parameters are float values.

Parameters

[in]	obbangles	Euler angles in degrees for box orientation. Euler angles are generally referred as yaw, pitch and roll angles, corresponding to rotations to the x, y and z axis, in this order. Note that GCGlib uses the OpenGL orientation system. See gcgEULERTOQUATERNION() and gcgQUATERNIONTOMATRIX4() to further information on rotations.
[in]	obbcenter	The x, y and z coordinates of the box center.
[in]	obbsize	The x, y and z sizes of the box, before its rotation by the Euler angles.

Returns: true if the axis aligned bounding box is correctly drawn.

Since: 0.01.0

◆ gcgDrawOBox() [2/2]

bool gcgDrawOBox	(	VECTOR3d	obbangles,
		VECTOR3d	obbcenter,
		VECTOR3d	obbsize
	)

Draws an oriented box. Normals are sent and can be used for lighting. All parameters are double values.

Parameters

[in]	obbangles	Euler angles in degrees for box orientation. Euler angles are generally referred as yaw, pitch and roll angles, corresponding to rotations to the x, y and z axis, in this order. Note that GCGlib uses the OpenGL orientation system. See gcgEULERTOQUATERNION() and gcgQUATERNIONTOMATRIX4() to further information on rotations.
[in]	obbcenter	The x, y and z coordinates of the box center.
[in]	obbsize	The x, y and z sizes of the box, before its rotation by the Euler angles.

Returns: true if the axis aligned bounding box is correctly drawn.

Since: 0.01.0

◆ gcgDrawVectorPyramid() [1/2]

bool gcgDrawVectorPyramid	(	float	x,
		float	y,
		float	z,
		VECTOR3	vector,
		float	scale
	)

Draws an oriented pyramid (its base is not drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are float.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the pyramid. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the pyramid with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.0

See also: gcgDrawVectorPyramidClosed; gcgDrawVectorThetrahedron; gcgDrawVectorThetrahedronClosed

◆ gcgDrawVectorPyramid() [2/2]

bool gcgDrawVectorPyramid	(	float	x,
		float	y,
		float	z,
		VECTOR3d	vector,
		float	scale
	)

Draws an oriented pyramid (its base is not drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are double.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the pyramid. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the pyramid with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.0

See also: gcgDrawVectorPyramidClosed; gcgDrawVectorThetrahedron; gcgDrawVectorThetrahedronClosed

◆ gcgDrawVectorPyramidClosed() [1/2]

bool gcgDrawVectorPyramidClosed	(	float	x,
		float	y,
		float	z,
		VECTOR3	vector,
		float	scale
	)

Draws an oriented pyramid (its base is also drawn) which can be used to represent vectors: 6 triangles are drawn using 8 vertices. Normals are sent and can be used for lighting. All parameters are float.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the pyramid. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the pyramid with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.62

See also: gcgDrawVectorPyramid; gcgDrawVectorThetrahedron; gcgDrawVectorThetrahedronClosed

◆ gcgDrawVectorPyramidClosed() [2/2]

bool gcgDrawVectorPyramidClosed	(	float	x,
		float	y,
		float	z,
		VECTOR3d	vector,
		float	scale
	)

Draws an oriented pyramid (its base is also drawn) which can be used to represent vectors: 6 triangles are drawn using 8 vertices. Normals are sent and can be used for lighting. All parameters are double.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the pyramid. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the pyramid with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.62

See also: gcgDrawVectorPyramid; gcgDrawVectorThetrahedron; gcgDrawVectorThetrahedronClosed

◆ gcgDrawVectorThetrahedron() [1/2]

bool gcgDrawVectorThetrahedron	(	float	x,
		float	y,
		float	z,
		VECTOR3	vector,
		float	scale
	)

Draws an oriented thetahedron (its base is not drawn) which can be used to represent vectors: 3 triangles are drawn using 5 vertices. Normals are sent and can be used for lighting. All parameters are float.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the thetrahedron. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the thetrahedron with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.62

See also: gcgDrawVectorPyramid; gcgDrawVectorPyramidClosed; gcgDrawVectorThetrahedronClosed

◆ gcgDrawVectorThetrahedron() [2/2]

bool gcgDrawVectorThetrahedron	(	float	x,
		float	y,
		float	z,
		VECTOR3d	vector,
		float	scale
	)

Draws an oriented thetrahedron (its base is not drawn) which can be used to represent vectors: 3 triangles are drawn using 5 vertices. Normals are sent and can be used for lighting. All parameters are double.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the thetrahedron. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the thetrahedron with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.62

See also: gcgDrawVectorPyramid; gcgDrawVectorPyramidClosed; gcgDrawVectorThetrahedronClosed

◆ gcgDrawVectorThetrahedronClosed() [1/2]

bool gcgDrawVectorThetrahedronClosed	(	float	x,
		float	y,
		float	z,
		VECTOR3	vector,
		float	scale
	)

Draws an oriented thetrahedron (its base is also drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are float.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the thetrahedron. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the thetrahedron with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.62

See also: gcgDrawVectorPyramid; gcgDrawVectorPyramidClosed; gcgDrawVectorThetrahedron

◆ gcgDrawVectorThetrahedronClosed() [2/2]

bool gcgDrawVectorThetrahedronClosed	(	float	x,
		float	y,
		float	z,
		VECTOR3d	vector,
		float	scale
	)

Draws an oriented thetrahedron (its base is also drawn) which can be used to represent vectors: 4 triangles are drawn using 6 vertices. Normals are sent and can be used for lighting. All parameters are double.

Parameters

[in]	x	The x center position of the vector.
[in]	y	The y center position of the vector.
[in]	z	The z center position of the vector.
[in]	vector	The vector indicating the direction of the thetrahedron. Its magnitude is ignored. The vector must be non null.
[in]	scale	Scaling to be applied to the thetrahedron with unitary height. It is generally the vector magnitude.

Returns: true if the vector is drawn.

Since: 0.01.62

See also: gcgDrawVectorPyramid; gcgDrawVectorPyramidClosed; gcgDrawVectorThetrahedron

Functions

Detailed Description

Function Documentation

◆ gcgDrawAABox() [1/2]

◆ gcgDrawAABox() [2/2]

◆ gcgDrawLogo()

◆ gcgDrawOBox() [1/2]

◆ gcgDrawOBox() [2/2]

◆ gcgDrawVectorPyramid() [1/2]

◆ gcgDrawVectorPyramid() [2/2]

◆ gcgDrawVectorPyramidClosed() [1/2]

◆ gcgDrawVectorPyramidClosed() [2/2]

◆ gcgDrawVectorThetrahedron() [1/2]

◆ gcgDrawVectorThetrahedron() [2/2]

◆ gcgDrawVectorThetrahedronClosed() [1/2]

◆ gcgDrawVectorThetrahedronClosed() [2/2]