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Fixed data array heightfield handling.

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This commit is contained in:
Garth Minette
2021-01-01 01:21:17 -08:00
parent d1fb992e2c
commit 9633608341
2 changed files with 20 additions and 19 deletions
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37
shapes.scad
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@@ -1711,12 +1711,12 @@ module arced_slot(
// orient = Vector to rotate top towards. See [orient](attachments.scad#orient). Default: `UP`
// Example:
// heightfield(size=[100,100], bottom=-20, data=[
// for (x=[-180:4:180]) [for(y=[-180:4:180]) 10*cos(3*norm([x,y]))]
// for (y=[-180:4:180]) [for(x=[-180:4:180]) 10*cos(3*norm([x,y]))]
// ]);
// Example:
// intersection() {
// heightfield(size=[100,100], data=[
// for (x=[-180:5:180]) [for(y=[-180:5:180]) 10+5*cos(3*x)*sin(3*y)]
// for (y=[-180:5:180]) [for(x=[-180:5:180]) 10+5*cos(3*x)*sin(3*y)]
// ]);
// cylinder(h=50,d=100);
// }
@@ -1748,23 +1748,24 @@ function heightfield(data, size=[100,100], xrange=[-1:0.04:1], yrange=[-1:0.04:1
? [for (i=idx(data)) i]
: assert(is_list(yrange)||is_range(yrange)) [for (y=yrange) y],
xcnt = len(xvals),
ycnt = len(yvals),
minx = min(xvals),
maxx = max(xvals),
ycnt = len(yvals),
miny = min(yvals),
maxy = max(yvals),
verts = is_list(data) ? [
for (y = [0:1:yvals-1]) [
for (x = [0:1:xvals-1]) [
size.x * (x/(xvals-1)-0.5),
size.y * (y/(yvals-1)-0.5),
for (y = [0:1:ycnt-1]) [
for (x = [0:1:xcnt-1]) [
size.x * (x/(xcnt-1)-0.5),
size.y * (y/(ycnt-1)-0.5),
data[y][x]
]
]
] : [
for (x = xrange) [
for (y = yrange)
let( z = data(x,y) ) [
for (y = yrange) [
for (x = xrange) let(
z = data(x,y)
) [
size.x * ((x-minx)/(maxx-minx)-0.5),
size.y * ((y-miny)/(maxy-miny)-0.5),
min(maxz, max(bottom+0.1, default(z,0)))
@@ -1772,30 +1773,30 @@ function heightfield(data, size=[100,100], xrange=[-1:0.04:1], yrange=[-1:0.04:1
]
],
vnf = vnf_merge([
vnf_vertex_array(verts, style=style),
vnf_vertex_array(verts, style=style, reverse=true),
vnf_vertex_array([
verts[0],
[for (v=verts[0]) [v.x, v.y, bottom]],
verts[0]
]),
vnf_vertex_array([
[for (v=verts[ycnt-1]) [v.x, v.y, bottom]],
verts[ycnt-1],
[for (v=verts[ycnt-1]) [v.x, v.y, bottom]]
]),
vnf_vertex_array([
[for (r=verts) let(v=r[0]) v],
[for (r=verts) let(v=r[0]) [v.x, v.y, bottom]],
[for (r=verts) let(v=r[0]) v],
]),
vnf_vertex_array([
[for (r=verts) let(v=r[xcnt-1]) [v.x, v.y, bottom]],
[for (r=verts) let(v=r[xcnt-1]) v],
[for (r=verts) let(v=r[xcnt-1]) [v.x, v.y, bottom]],
]),
vnf_vertex_array([
[
for (r=verts) let(v=r[0]) [v.x, v.y, bottom],
for (v=verts[ycnt-1]) [v.x, v.y, bottom],
], [
for (v=verts[0]) [v.x, v.y, bottom],
for (r=verts) let(v=r[xcnt-1]) [v.x, v.y, bottom],
], [
for (r=verts) let(v=r[0]) [v.x, v.y, bottom],
for (v=verts[ycnt-1]) [v.x, v.y, bottom],
]
])
])

2
version.scad
View File

@@ -8,7 +8,7 @@
//////////////////////////////////////////////////////////////////////
BOSL_VERSION = [2,0,502];
BOSL_VERSION = [2,0,503];
// Section: BOSL Library Version Functions