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bezier doc fixes, test for complex()

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Adrian Mariano 2021-04-02 20:39:14 -04:00
parent 194f4a5b1f
commit 957907200b
2 changed files with 17 additions and 7 deletions
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15
beziers.scad
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@ -413,16 +413,17 @@ function bezier_curvature(curve, u) =
// Topics: Bezier Segments // Topics: Bezier Segments
// See Also: bezier_curvature(), bezier_tangent(), bezier_derivative(), bezier_points() // See Also: bezier_curvature(), bezier_tangent(), bezier_derivative(), bezier_points()
// Description: // Description:
// Takes a list of bezier curve control points and generates n points along the bezier path. // Takes a list of bezier control points and generates n points along the bezier curve they define.
// Points start at the first control point and are sampled every `1/n`th // Points start at the first control point and are sampled uniformly along the bezier parameter.
// of the way along the bezier parameter, ending *before* the final control point by default. // The endpoints of the output will be *exactly* equal to the first and last bezier control points
// The distance between the points will *not* be equidistant. If you wish to add the // when endpoint is true. If endpoint is false the sampling stops one step before the final point
// endpoint you can set `endpoint` to true. The degree of the bezier curve is one // of the bezier curve, but you still get n, more tightly spaced, points.
// less than the number of points in `curve`. // The distance between the points will *not* be equidistant.
// The degree of the bezier curve is one less than the number of points in `curve`.
// Arguments: // Arguments:
// curve = The list of endpoints and control points for this bezier segment. // curve = The list of endpoints and control points for this bezier segment.
// n = The number of points to generate along the bezier curve. // n = The number of points to generate along the bezier curve.
// endpoint = if true then add the endpoint (an extra point, giving n+1 points output). Default: False // endpoint = if false then exclude the endpoint. Default: True
// Example(2D): Quadratic (Degree 2) Bezier. // Example(2D): Quadratic (Degree 2) Bezier.
// bez = [[0,0], [30,30], [80,0]]; // bez = [[0,0], [30,30], [80,0]];
// move_copies(bezier_curve(bez, 8)) sphere(r=1.5, $fn=12); // move_copies(bezier_curve(bez, 8)) sphere(r=1.5, $fn=12);

9
tests/test_math.scad
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@ -830,6 +830,15 @@ module test_lcm() {
test_lcm(); test_lcm();
module test_complex(){
assert_equal( complex(ident(4)), c_ident(4));
assert_equal( complex(3), [3,0]);
assert_equal( complex([1,2]), [[1,0],[2,0]]);
assert_equal( complex([[1,2],[3,4]]), [[ [1,0],[2,0] ], [ [3,0],[4,0]]]);
}
test_complex();
module test_c_mul() { module test_c_mul() {
assert_equal(c_mul([4,5],[9,-4]), [56,29]); assert_equal(c_mul([4,5],[9,-4]), [56,29]);
assert_equal(c_mul([-7,2],[24,3]), [-174, 27]); assert_equal(c_mul([-7,2],[24,3]), [-174, 27]);