glus_matrix_viewprojection.h File Reference

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Functions
GLUSAPI GLUSboolean GLUSAPIENTRY	glusMatrix4x4Orthof (GLUSfloat result[16], const GLUSfloat left, const GLUSfloat right, const GLUSfloat bottom, const GLUSfloat top, const GLUSfloat nearVal, const GLUSfloat farVal)
	Creates a matrix with orthogonal projection. More...
GLUSAPI GLUSboolean GLUSAPIENTRY	glusMatrix4x4Frustumf (GLUSfloat result[16], const GLUSfloat left, const GLUSfloat right, const GLUSfloat bottom, const GLUSfloat top, const GLUSfloat nearVal, const GLUSfloat farVal)
	Creates a matrix with perspective projection. More...
GLUSAPI GLUSboolean GLUSAPIENTRY	glusMatrix4x4Perspectivef (GLUSfloat result[16], const GLUSfloat fovy, const GLUSfloat aspect, const GLUSfloat zNear, const GLUSfloat zFar)
	Creates a matrix with perspective projection. More...
GLUSAPI GLUSvoid GLUSAPIENTRY	glusMatrix4x4LookAtf (GLUSfloat result[16], const GLUSfloat eyeX, const GLUSfloat eyeY, const GLUSfloat eyeZ, const GLUSfloat centerX, const GLUSfloat centerY, const GLUSfloat centerZ, const GLUSfloat upX, const GLUSfloat upY, const GLUSfloat upZ)
	Creates a view / camera matrix. More...

Function Documentation

GLUSAPI GLUSboolean GLUSAPIENTRY glusMatrix4x4Frustumf	(	GLUSfloat	result[16],
		const GLUSfloat	left,
		const GLUSfloat	right,
		const GLUSfloat	bottom,
		const GLUSfloat	top,
		const GLUSfloat	nearVal,
		const GLUSfloat	farVal
	)

Creates a matrix with perspective projection.

Parameters

result	The resulting matrix.
left	Left corner.
right	Right corner.
bottom	Bottom corner.
top	Top corner.
nearVal	Near corner.
farVal	Far corner.

Returns

GLUS_TRUE, if creation was successful.

GLUSAPI GLUSvoid GLUSAPIENTRY glusMatrix4x4LookAtf	(	GLUSfloat	result[16],
		const GLUSfloat	eyeX,
		const GLUSfloat	eyeY,
		const GLUSfloat	eyeZ,
		const GLUSfloat	centerX,
		const GLUSfloat	centerY,
		const GLUSfloat	centerZ,
		const GLUSfloat	upX,
		const GLUSfloat	upY,
		const GLUSfloat	upZ
	)

Creates a view / camera matrix.

Parameters

result	The resulting matrix.
eyeX	Eye / camera X position.
eyeY	Eye / camera Y position.
eyeZ	Eye / camera Z position.
centerX	X Position, where the view / camera points to.
centerY	Y Position, where the view / camera points to.
centerZ	Z Position, where the view / camera points to.
upX	Eye / camera X component from up vector.
upY	Eye / camera Y component from up vector.
upZ	Eye / camera Z component from up vector.

GLUSAPI GLUSboolean GLUSAPIENTRY glusMatrix4x4Orthof	(	GLUSfloat	result[16],
		const GLUSfloat	left,
		const GLUSfloat	right,
		const GLUSfloat	bottom,
		const GLUSfloat	top,
		const GLUSfloat	nearVal,
		const GLUSfloat	farVal
	)

Creates a matrix with orthogonal projection.

See also

http://en.wikipedia.org/wiki/Orthographic_projection_%28geometry%29

Parameters

result	The resulting matrix.
left	Left corner.
right	Right corner.
bottom	Bottom corner.
top	Top corner.
nearVal	Near corner.
farVal	Far corner.

Returns

GLUS_TRUE, if creation was successful.

GLUSAPI GLUSboolean GLUSAPIENTRY glusMatrix4x4Perspectivef	(	GLUSfloat	result[16],
		const GLUSfloat	fovy,
		const GLUSfloat	aspect,
		const GLUSfloat	zNear,
		const GLUSfloat	zFar
	)

Creates a matrix with perspective projection.

Parameters

result	The resulting matrix.
fovy	Field of view.
aspect	Aspect ratio.
zNear	Near plane.
zFar	Far plane.

Returns

GLUS_TRUE, if creation was successful.