abstract Matrix4(Float32Array)
package lime.math
from Float32Array, to Float32Array
Available on all platforms
Matrix4
is a 4x4 matrix, useful for 3D calculations
Static variables
Static methods
staticappend(this:Float32Array, lhs:Matrix4):Void
Appends a second matrix by multiplying its values against the current one
Parameters:
lhs | A second matrix instance |
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staticappendRotation(this:Float32Array, degrees:Float, axis:Vector4, ?pivotPoint:Vector4):Void
Appends rotation to the current matrix
Parameters:
degrees | A rotation value (in degrees) |
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axis | The coordinate position of the rotation axis |
pivotPoint | (Optional) A pivot point to use in the rotation |
staticappendScale(this:Float32Array, xScale:Float, yScale:Float, zScale:Float):Void
Appends a scale value to the current matrix
Parameters:
xScale | The x scale to append |
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yScale | The y scale to append |
zScale | The z scale to append |
staticappendTranslation(this:Float32Array, x:Float, y:Float, z:Float):Void
Increases the position/translation of the current matrix
Parameters:
x | The x amount to offset the current position |
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y | The y amount to offset the current position |
z | The z amount to offset the current position |
staticclone(this:Float32Array):Matrix4
staticcopyColumnFrom(this:Float32Array, column:Int, vector:Vector4):Void
staticcopyColumnTo(this:Float32Array, column:Int, vector:Vector4):Void
staticcopyFrom(this:Float32Array, other:Matrix4):Void
staticcopyRowFrom(this:Float32Array, row:Int, vector:Vector4):Void
staticcopyRowTo(this:Float32Array, row:Int, vector:Vector4):Void
staticcreate2D(this:Float32Array, a:Float, b:Float, c:Float, d:Float, tx:Float = 0, ty:Float = 0):Void
Resets the current matrix using two-dimensional transform values
Parameters:
a | A two-dimensional matrix a value |
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b | A two-dimensional matrix b value |
c | A two-dimensional matrix c value |
d | A two-dimensional matrix d value |
tx | (Optional) A two-dimensional matrix tx value (default is 0) |
ty | (Optional) A two-dimensional matrix ty value (default is 0) |
staticcreateOrtho(this:Float32Array, left:Float, right:Float, bottom:Float, top:Float, zNear:Float, zFar:Float):Void
Initializes this matrix with values for an orthographic projection, useful in rendering
Parameters:
left | The left (or x0) coordinate for the projection |
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right | The right (or x1) coordinate for the projection |
bottom | The bottom (or y0) coordinate for the projection |
top | The top (or y1) coordinate for the projection |
zNear | The near depth-clipping plane position |
zFar | The far depth-clipping plane position |
staticdeltaTransformVector(this:Float32Array, v:Vector4, ?result:Vector4):Vector4
Returns the transformation matrix's translation, rotation, and scale settings as a Vector of three Vector4 objects.
staticinterpolate(thisMat:Matrix4, toMat:Matrix4, percent:Float, ?result:Matrix4):Matrix4
Interpolates from one Matrix4
instance to another, given a percentage between the two
Parameters:
thisMat | The first |
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toMat | The second |
percent | The percentage value to interpolate by |
result | (Optional) A |
Returns:
A Matrix4
with the resulting value
staticinterpolateTo(this:Float32Array, toMat:Matrix4, percent:Float):Void
Interpolates the current matrix toward another matrix, resetting the values of the current matrix
Parameters:
toMat | The second |
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percetn | The percentage value to interpolate by |
staticinvert(this:Float32Array):Bool
Attempts to invert the current matrix, so long as the determinant is greater than zero
Returns:
Whether the invert
operation was successful
staticpointAt(this:Float32Array, pos:Vector4, ?at:Vector4, ?up:Vector4):Void
Sets the matrix values as a transformation orientated toward a certain vector position
Parameters:
pos | A target vector position in absolute coordinates |
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at | (Optional) A vector relative to this matrix which defines the current direction |
up | (Optional) A vector relative to this matrix which defines the "up" direction |
staticprepend(this:Float32Array, rhs:Matrix4):Void
staticprependRotation(this:Float32Array, degrees:Float, axis:Vector4, ?pivotPoint:Vector4):Void
Prepends rotation to this matrix
Parameters:
degrees | The rotation amount in degrees |
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axis | The rotation axis |
pivotPoint | (Optional) A pivot point for the rotation |
staticprependScale(this:Float32Array, xScale:Float, yScale:Float, zScale:Float):Void
Prepends scale to this matrix
Parameters:
xScale | An x scale value |
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yScale | A y scale value |
zScale | A z scale value |
staticprependTranslation(this:Float32Array, x:Float, y:Float, z:Float):Void
Prepends translation values to this matrix
Parameters:
x | An x translation value |
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y | A y translation value |
z | A z translation value |
statictransformVector(this:Float32Array, v:Vector4, ?result:Vector4):Vector4
statictransformVectors(this:Float32Array, ain:Float32Array, aout:Float32Array):Void
Transforms a series of [x, y, z] value pairs at once
Parameters:
ain | An input |
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aout | An output |