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renamed parameters

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This commit is contained in:
Justin Lin
2017-04-10 10:11:31 +08:00
parent 915cd36f7f
commit 98c451fafb
2 changed files with 59 additions and 38 deletions
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4
src/bezier_curve.scad
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@@ -12,8 +12,8 @@
* *
**/ **/
function _combi(r, n) = function _combi(n, k) =
n == 0 ? 1 : (_combi(r, n - 1) * (r - n + 1) / n); k == 0 ? 1 : (_combi(n, k - 1) * (n - k + 1) / k);
function bezier_curve_coordinate(t, pn, n, i = 0) = function bezier_curve_coordinate(t, pn, n, i = 0) =
i == n + 1 ? 0 : i == n + 1 ? 0 :

93
src/test.scad
View File

@@ -1,4 +1,6 @@
include <hull_polyline3d.scad>;
include <line3d.scad>;
include <polyline3d.scad>;
include <bezier_curve.scad>; include <bezier_curve.scad>;
include <bezier_surface.scad>; include <bezier_surface.scad>;
include <function_grapher.scad>; include <function_grapher.scad>;
@@ -14,53 +16,72 @@ ctrl_pts = [
]; ];
g = bezier_surface(t_step, ctrl_pts); g = bezier_surface(t_step, ctrl_pts);
function_grapher(g, thickness); color("yellow") function_grapher(g, thickness);
width = 2;
demo = "YES"; demo = "YES";
// demo ani = "YES";
if(demo == "YES") { if(demo == "YES") {
width = 2; width = 2;
r = 3; r = 3;
pts = [ pts = [
for(i = [0:len(ctrl_pts) - 1]) for(i = [0:len(ctrl_pts) - 1])
bezier_curve(t_step, ctrl_pts[i]) bezier_curve(t_step, ctrl_pts[i])
]; ];
// first bezier curve if(ani == "YES") {
for(i = [0:len(ctrl_pts) - 1]) { // first bezier curve
color("green") union() { for(i = [0:len(ctrl_pts) - 1]) {
for(j = [0:len(ctrl_pts[i]) - 1]) { color("green") union() {
translate(ctrl_pts[i][j]) for(j = [0:len(ctrl_pts[i]) - 1]) {
sphere(r = r); translate(ctrl_pts[i][j])
sphere(r = r);
}
for(j = [0:len(ctrl_pts[i]) - 1]) {
polyline3d(
ctrl_pts[i]
, width);
}
} }
for(j = [0:len(ctrl_pts[i]) - 1]) { color("red")
hull_polyline3d( polyline3d(
ctrl_pts[i] bezier_curve(t_step, ctrl_pts[i]), width
, width); );
}
} }
color("red") step = len(g[0]);
hull_polyline3d( echo(step);
bezier_curve(t_step, ctrl_pts[i]), width
); // second bezier curve
ctrl_pts2 = [for(i = [0:len(pts) - 1]) pts[i][$t * step]];
color("blue") union() {
for(pt = ctrl_pts2) {
translate(pt)
sphere(r = r);
}
polyline3d(ctrl_pts2, width);
}
color("black")
polyline3d(g[$t * step], width);
} else {
// first bezier curve
for(i = [0:len(ctrl_pts) - 1]) {
color("green") union() {
for(j = [0:len(ctrl_pts[i]) - 1]) {
translate(ctrl_pts[i][j])
sphere(r = r);
}
}
}
color("green") function_grapher(ctrl_pts, width, style = "LINES");
} }
step = len(g[0]);
echo(step);
// second bezier curve
ctrl_pts2 = [for(i = [0:len(pts) - 1]) pts[i][$t * step]];
color("blue") union() {
for(pt = ctrl_pts2) {
translate(pt)
sphere(r = r);
}
hull_polyline3d(ctrl_pts2, width);
}
color("black")
hull_polyline3d(g[$t * step], width);
} }