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quant\*() now work on vectors and pointlists.

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Revar Desmera 2019-08-24 11:51:24 -07:00
parent 0054754cb0
commit e4ecb21217
1 changed files with 12 additions and 3 deletions
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15
math.scad
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@ -20,28 +20,37 @@ EPSILON = 1e-9; // A really small value useful in comparing FP numbers. ie: ab
// Function: quant() // Function: quant()
// Description: // Description:
// Quantize a value `x` to an integer multiple of `y`, rounding to the nearest multiple. // Quantize a value `x` to an integer multiple of `y`, rounding to the nearest multiple.
// If `x` is a list, then every item in that list will be recursively quantized.
// Arguments: // Arguments:
// x = The value to quantize. // x = The value to quantize.
// y = The multiple to quantize to. // y = The multiple to quantize to.
function quant(x,y) = floor(x/y+0.5)*y; function quant(x,y) =
is_list(x)? [for (v=x) quant(v,y)] :
floor(x/y+0.5)*y;
// Function: quantdn() // Function: quantdn()
// Description: // Description:
// Quantize a value `x` to an integer multiple of `y`, rounding down to the previous multiple. // Quantize a value `x` to an integer multiple of `y`, rounding down to the previous multiple.
// If `x` is a list, then every item in that list will be recursively quantized down.
// Arguments: // Arguments:
// x = The value to quantize. // x = The value to quantize.
// y = The multiple to quantize to. // y = The multiple to quantize to.
function quantdn(x,y) = floor(x/y)*y; function quantdn(x,y) =
is_list(x)? [for (v=x) quantdn(v,y)] :
floor(x/y)*y;
// Function: quantup() // Function: quantup()
// Description: // Description:
// Quantize a value `x` to an integer multiple of `y`, rounding up to the next multiple. // Quantize a value `x` to an integer multiple of `y`, rounding up to the next multiple.
// If `x` is a list, then every item in that list will be recursively quantized up.
// Arguments: // Arguments:
// x = The value to quantize. // x = The value to quantize.
// y = The multiple to quantize to. // y = The multiple to quantize to.
function quantup(x,y) = ceil(x/y)*y; function quantup(x,y) =
is_list(x)? [for (v=x) quantup(v,y)] :
ceil(x/y)*y;
// Function: constrain() // Function: constrain()