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Invert sharpness wip

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Quinn
2022-01-08 16:41:14 -08:00
parent 03b2a96c26
commit 0d34171184
1 changed files with 7 additions and 5 deletions
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poly_gates.scad
+7 -5
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@@ -38,7 +38,7 @@ function add_z(z, m) = [ for (i = m) concat(i, z) ];
function throw_end(throw, base_offset) = base_offset + gate_height * tan(throw); function throw_end(throw, base_offset) = base_offset + gate_height * tan(throw);
function throw_polygons(shape, throw, base_offset = 0) = [ function throw_polygons(shape, throw, base_offset = 0) = [
add_z(0, scale_xy(base_offset, shape)), add_z(0, scale_xy(max(base_offset,0), shape)),
add_z(gate_height, scale_xy(throw_end(throw, base_offset), shape)) add_z(gate_height, scale_xy(throw_end(throw, base_offset), shape))
]; ];
@@ -58,16 +58,18 @@ function lerp(a,b,t) = a + (b - a) * t;
module shape_gate (shape, throw, shaft_r, sharpness = 0) { module shape_gate (shape, throw, shaft_r, sharpness = 0) {
sharpness = lerp(1, shaft_r, sharpness); sharpness = lerp(1, shaft_r, sharpness);
corner_r = shaft_r / sharpness;
corner_r = shaft_r / abs(sharpness);
corner_offset = corner_r * (sharpness - 1); corner_offset = corner_r * (sharpness - 1);
points = throw_points(shape, throw, corner_offset); points = throw_points(shape, throw, corner_offset);
echo(points);
echo(corner_r);
minkowski(){ minkowski(){
polyhedron(points, throw_faces(points)); polyhedron(points, throw_faces(points));
cylinder(1, corner_r); cylinder(1, corner_r);
} }
} }
shape_gate(octn_poly, 10, 9.8 / 2, 0); sharpness = lerp(-1, -0.6, $t);
echo(sharpness);
shape_gate(octn_poly, 10, 9 / 2, sharpness);