Class CAAT.Math.Matrix

Defined in: Matrix.js.

Class Summary
Constructor Attributes	Constructor Name and Description
	CAAT.Math.Matrix()

Field Summary
Field Attributes	Field Name and Description
	matrix An array of 9 numbers.

Method Summary
Method Attributes	Method Name and Description
<private>	__init()
	copy(matrix) Copy into this matrix the given matrix values.
	getInverse() Creates a new inverse matrix from this matrix.
	identity() Set this matrix to the identity matrix.
	multiply(m) Multiply this matrix by a given matrix.
	multiplyScalar(scalar) Multiply this matrix by a scalar.
	premultiply(m) Premultiply this matrix by a given matrix.
	rotate(angle) Create a new rotation matrix and set it up for the specified angle in radians.
	scale(scalex, scaley) Create a scale matrix.
	setCoordinateClamping(clamp)
	setModelViewMatrix(x, y, sx, sy, r)
	setRotation(angle)
	setScale(scalex, scaley)
	setTranslate(x, y) Sets this matrix as a translation matrix.
	transformCoord(point) Transform a point by this matrix.
	transformRenderingContext_Clamp(ctx)
	transformRenderingContext_NoClamp(ctx)
	transformRenderingContextSet_Clamp(ctx)
	transformRenderingContextSet_NoClamp(ctx)
	translate(x, y) Create a translation matrix.

Class Detail

CAAT.Math.Matrix()

Field Detail

matrix

An array of 9 numbers.

Method Detail

<private> __init()

copy(matrix)

Copy into this matrix the given matrix values.

Parameters:
matrix: {CAAT.Matrix}

Returns:: this

{CAAT.Matrix} getInverse()

Creates a new inverse matrix from this matrix.

Returns:: {CAAT.Matrix} an inverse matrix.

identity()

Set this matrix to the identity matrix.

Returns:: this

multiply(m)

Multiply this matrix by a given matrix.

Parameters:
m: {CAAT.Matrix}

Returns:: this

multiplyScalar(scalar)

Multiply this matrix by a scalar.

Parameters:
scalar: {number} scalar value

Returns:: this

premultiply(m)

Premultiply this matrix by a given matrix.

Parameters:
m: {CAAT.Matrix}

Returns:: this

{CAAT.Matrix} rotate(angle)

Create a new rotation matrix and set it up for the specified angle in radians.

Parameters:
angle: {number}

Returns:: {CAAT.Matrix} a matrix object.

{CAAT.Matrix} scale(scalex, scaley)

Create a scale matrix.

Parameters:
scalex: {number} x scale magnitude.
scaley: {number} y scale magnitude.

Returns:: {CAAT.Matrix} a matrix object.

setCoordinateClamping(clamp)

Parameters:
clamp

setModelViewMatrix(x, y, sx, sy, r)

Parameters:
x
y
sx
sy
r

setRotation(angle)

Parameters:
angle

setScale(scalex, scaley)

Parameters:
scalex
scaley

setTranslate(x, y)

Sets this matrix as a translation matrix.

Parameters:
x
y

{CAAT.Point} transformCoord(point)

Transform a point by this matrix. The parameter point will be modified with the transformation values.

Parameters:
point: {CAAT.Point}.

Returns:: {CAAT.Point} the parameter point.

transformRenderingContext_Clamp(ctx)

Parameters:
ctx

transformRenderingContext_NoClamp(ctx)

Parameters:
ctx

transformRenderingContextSet_Clamp(ctx)

Parameters:
ctx

transformRenderingContextSet_NoClamp(ctx)

Parameters:
ctx

{CAAT.Matrix} translate(x, y)

Create a translation matrix.

Parameters:
x: {number} x translation magnitude.
y: {number} y translation magnitude.

Returns:: {CAAT.Matrix} a matrix object.

Classes

Class CAAT.Math.Matrix