mirror of
https://github.com/BelfrySCAD/BOSL2.git
synced 2024-12-29 16:29:40 +00:00
Added color=, joint_color=, endcap_color=, endcap_color1=, endcap_color2= to stroke()
This commit is contained in:
Garth Minette
parent
b2a08ddfe9
commit
b5f3a86fc8
1 changed files with 169 additions and 133 deletions
302
drawing.scad
302
drawing.scad
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@ -44,27 +44,22 @@
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// path = The path to draw along.
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// width = The width of the line to draw. If given as a list of widths, (one for each path point), draws the line with varying thickness to each point.
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// closed = If true, draw an additional line from the end of the path to the start.
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// plots = Specifies the plot point shape for every point of the line. If a 2D path is given, use that to draw custom plot points.
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// joints = Specifies the joint shape for each joint of the line. If a 2D path is given, use that to draw custom joints.
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// endcaps = Specifies the endcap type for both ends of the line. If a 2D path is given, use that to draw custom endcaps.
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// endcap1 = Specifies the endcap type for the start of the line. If a 2D path is given, use that to draw a custom endcap.
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// endcap2 = Specifies the endcap type for the end of the line. If a 2D path is given, use that to draw a custom endcap.
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// plot_width = Some plot point shapes are wider than the line. This specifies the width of the shape, in multiples of the line width.
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// joint_width = Some joint shapes are wider than the line. This specifies the width of the shape, in multiples of the line width.
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// endcap_width = Some endcap types are wider than the line. This specifies the size of endcaps, in multiples of the line width.
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// endcap_width1 = This specifies the size of starting endcap, in multiples of the line width.
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// endcap_width2 = This specifies the size of ending endcap, in multiples of the line width.
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// plot_length = Length of plot point shape, in multiples of the line width.
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// joint_length = Length of joint shape, in multiples of the line width.
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// endcap_length = Length of endcaps, in multiples of the line width.
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// endcap_length1 = Length of starting endcap, in multiples of the line width.
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// endcap_length2 = Length of ending endcap, in multiples of the line width.
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// plot_extent = Extents length of plot point shape, in multiples of the line width.
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// joint_extent = Extents length of joint shape, in multiples of the line width.
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// endcap_extent = Extents length of endcaps, in multiples of the line width.
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// endcap_extent1 = Extents length of starting endcap, in multiples of the line width.
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// endcap_extent2 = Extents length of ending endcap, in multiples of the line width.
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// plot_angle = Extra rotation given to plot point shapes, in degrees. If not given, the shapes are fully spun.
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// joint_angle = Extra rotation given to joint shapes, in degrees. If not given, the shapes are fully spun.
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// endcap_angle = Extra rotation given to endcaps, in degrees. If not given, the endcaps are fully spun.
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// endcap_angle1 = Extra rotation given to a starting endcap, in degrees. If not given, the endcap is fully spun.
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@ -72,6 +67,11 @@
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// trim = Trim the the start and end line segments by this much, to keep them from interfering with custom endcaps.
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// trim1 = Trim the the starting line segment by this much, to keep it from interfering with a custom endcap.
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// trim2 = Trim the the ending line segment by this much, to keep it from interfering with a custom endcap.
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// color = If given, sets the color of the line segments, joints and endcap.
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// endcap_color = If given, sets the color of both endcaps. Overrides `color=`.
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// endcap_color1 = If give, sets the color of the starting endcap. Overrides `color=` and `endcap_color=`.
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// endcap_color2 = If given, sets the color of the ending endcap. Overrides `color=` and `endcap_color=`.
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// joint_color = If given, sets the color of the joints. Overrides `color=`.
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// convexity = Max number of times a line could intersect a wall of an endcap.
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// hull = If true, use `hull()` to make higher quality joints between segments, at the cost of being much slower. Default: true
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// Example(2D): Drawing a Path
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@ -91,7 +91,7 @@
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// stroke(path, width=10, endcap1="tail2", endcap2="arrow2");
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// Example(2D): Plotting Points
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// path = [for (a=[0:30:360]) [a-180, 60*sin(a)]];
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// stroke(path, width=3, joints="diamond", endcaps="arrow2", plot_angle=0, plot_width=5);
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// stroke(path, width=3, joints="diamond", endcaps="arrow2", endcap_angle=0, endcap_width=5, joint_angle=0, joint_width=5);
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// Example(2D): Joints and Endcaps
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// path = [for (a=[0:30:360]) [a-180, 60*sin(a)]];
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// stroke(path, width=3, joints="dot", endcaps="arrow2", joint_angle=0);
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@ -115,26 +115,41 @@
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// Example: 3D Path with Joints and Endcaps
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// path = [for (i=[0:10:360]) [(i-180)/2,20*cos(3*i),20*sin(3*i)]];
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// stroke(path, width=2, joints="dot", endcap1="round", endcap2="arrow2", joint_width=2.0, endcap_width2=3, $fn=18);
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// Example: Coloring Lines, Joints, and Endcaps
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// path = [for (i=[0:15:360]) [(i-180)/3,20*cos(2*i),20*sin(2*i)]];
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// stroke(
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// path, width=2, joints="dot", endcap1="dot", endcap2="arrow2",
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// color="lightgreen", joint_color="red", endcap_color="blue",
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// joint_width=2.0, endcap_width2=3, $fn=18
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// );
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function stroke(
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path, width=1, closed=false,
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endcaps, endcap1, endcap2, joints, plots,
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endcap_width, endcap_width1, endcap_width2, joint_width, plot_width,
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endcap_length, endcap_length1, endcap_length2, joint_length, plot_length,
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endcap_extent, endcap_extent1, endcap_extent2, joint_extent, plot_extent,
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endcap_angle, endcap_angle1, endcap_angle2, joint_angle, plot_angle,
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trim, trim1, trim2,
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endcaps, endcap1, endcap2, joints,
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endcap_width, endcap_width1, endcap_width2, joint_width,
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endcap_length, endcap_length1, endcap_length2, joint_length,
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endcap_extent, endcap_extent1, endcap_extent2, joint_extent,
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endcap_angle, endcap_angle1, endcap_angle2, joint_angle,
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trim, trim1, trim2, color,
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convexity=10, hull=true
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) = no_function("stroke");
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module stroke(
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path, width=1, closed=false,
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endcaps, endcap1, endcap2, joints, plots,
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endcap_width, endcap_width1, endcap_width2, joint_width, plot_width,
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endcap_length, endcap_length1, endcap_length2, joint_length, plot_length,
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endcap_extent, endcap_extent1, endcap_extent2, joint_extent, plot_extent,
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endcap_angle, endcap_angle1, endcap_angle2, joint_angle, plot_angle,
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endcaps, endcap1, endcap2, joints,
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endcap_width, endcap_width1, endcap_width2, joint_width,
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endcap_length, endcap_length1, endcap_length2, joint_length,
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endcap_extent, endcap_extent1, endcap_extent2, joint_extent,
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endcap_angle, endcap_angle1, endcap_angle2, joint_angle,
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color, endcap_color, endcap_color1, endcap_color2, joint_color,
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trim, trim1, trim2,
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convexity=10, hull=true
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) {
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module setcolor(clr) {
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if (clr==undef) {
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children();
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} else {
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color(clr) children();
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}
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}
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function _shape_defaults(cap) =
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cap==undef? [1.00, 0.00, 0.00] :
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cap==false? [1.00, 0.00, 0.00] :
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@ -186,9 +201,9 @@ module stroke(
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width = is_num(width)? [for (x=path) width] : width;
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assert(all([for (w=width) w>0]));
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endcap1 = first_defined([endcap1, endcaps, if(!closed) plots, "round"]);
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endcap2 = first_defined([endcap2, endcaps, plots, "round"]);
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joints = first_defined([joints, plots, "round"]);
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endcap1 = first_defined([endcap1, endcaps, "round"]);
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endcap2 = first_defined([endcap2, endcaps, "round"]);
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joints = first_defined([joints, "round"]);
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assert(is_bool(endcap1) || is_string(endcap1) || is_path(endcap1));
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assert(is_bool(endcap2) || is_string(endcap2) || is_path(endcap2));
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assert(is_bool(joints) || is_string(joints) || is_path(joints));
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@ -197,30 +212,29 @@ module stroke(
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endcap2_dflts = _shape_defaults(endcap2);
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joint_dflts = _shape_defaults(joints);
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endcap_width1 = first_defined([endcap_width1, endcap_width, plot_width, endcap1_dflts[0]]);
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endcap_width2 = first_defined([endcap_width2, endcap_width, plot_width, endcap2_dflts[0]]);
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joint_width = first_defined([joint_width, plot_width, joint_dflts[0]]);
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endcap_width1 = first_defined([endcap_width1, endcap_width, endcap1_dflts[0]]);
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endcap_width2 = first_defined([endcap_width2, endcap_width, endcap2_dflts[0]]);
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joint_width = first_defined([joint_width, joint_dflts[0]]);
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assert(is_num(endcap_width1));
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assert(is_num(endcap_width2));
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assert(is_num(joint_width));
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endcap_length1 = first_defined([endcap_length1, endcap_length, plot_length, endcap1_dflts[1]*endcap_width1]);
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endcap_length2 = first_defined([endcap_length2, endcap_length, plot_length, endcap2_dflts[1]*endcap_width2]);
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joint_length = first_defined([joint_length, plot_length, joint_dflts[1]*joint_width]);
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endcap_length1 = first_defined([endcap_length1, endcap_length, endcap1_dflts[1]*endcap_width1]);
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endcap_length2 = first_defined([endcap_length2, endcap_length, endcap2_dflts[1]*endcap_width2]);
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joint_length = first_defined([joint_length, joint_dflts[1]*joint_width]);
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assert(is_num(endcap_length1));
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assert(is_num(endcap_length2));
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assert(is_num(joint_length));
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endcap_extent1 = first_defined([endcap_extent1, endcap_extent, plot_extent, endcap1_dflts[2]*endcap_width1]);
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endcap_extent2 = first_defined([endcap_extent2, endcap_extent, plot_extent, endcap2_dflts[2]*endcap_width2]);
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joint_extent = first_defined([joint_extent, plot_extent, joint_dflts[2]*joint_width]);
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endcap_extent1 = first_defined([endcap_extent1, endcap_extent, endcap1_dflts[2]*endcap_width1]);
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endcap_extent2 = first_defined([endcap_extent2, endcap_extent, endcap2_dflts[2]*endcap_width2]);
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joint_extent = first_defined([joint_extent, joint_dflts[2]*joint_width]);
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assert(is_num(endcap_extent1));
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assert(is_num(endcap_extent2));
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assert(is_num(joint_extent));
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endcap_angle1 = first_defined([endcap_angle1, endcap_angle, plot_angle]);
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endcap_angle2 = first_defined([endcap_angle2, endcap_angle, plot_angle]);
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joint_angle = first_defined([joint_angle, plot_angle]);
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endcap_angle1 = first_defined([endcap_angle1, endcap_angle]);
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endcap_angle2 = first_defined([endcap_angle2, endcap_angle]);
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assert(is_undef(endcap_angle1)||is_num(endcap_angle1));
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assert(is_undef(endcap_angle2)||is_num(endcap_angle2));
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assert(is_undef(joint_angle)||is_num(joint_angle));
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@ -228,6 +242,10 @@ module stroke(
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endcap_shape1 = _shape_path(endcap1, width[0], endcap_width1, endcap_length1, endcap_extent1);
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endcap_shape2 = _shape_path(endcap2, last(width), endcap_width2, endcap_length2, endcap_extent2);
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endcap_color1 = first_defined([endcap_color1, endcap_color, color]);
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endcap_color2 = first_defined([endcap_color2, endcap_color, color]);
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joint_color = first_defined([joint_color, color]);
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trim1 = width[0] * first_defined([
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trim1, trim,
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(endcap1=="arrow")? endcap_length1-0.01 :
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@ -261,62 +279,70 @@ module stroke(
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if (len(path[0]) == 2) {
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// Straight segments
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for (i = idx(path2,e=-2)) {
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seg = select(path2,i,i+1);
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delt = seg[1] - seg[0];
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translate(seg[0]) {
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rot(from=BACK,to=delt) {
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trapezoid(w1=widths[i], w2=widths[i+1], h=norm(delt), anchor=FRONT);
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setcolor(color) {
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for (i = idx(path2,e=-2)) {
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seg = select(path2,i,i+1);
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delt = seg[1] - seg[0];
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translate(seg[0]) {
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rot(from=BACK,to=delt) {
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trapezoid(w1=widths[i], w2=widths[i+1], h=norm(delt), anchor=FRONT);
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}
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}
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}
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}
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// Joints
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for (i = [1:1:len(path2)-2]) {
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$fn = quantup(segs(widths[i]/2),4);
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translate(path2[i]) {
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if (joints != undef) {
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joint_shape = _shape_path(
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joints, width[i],
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joint_width,
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joint_length,
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joint_extent
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);
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v1 = unit(path2[i] - path2[i-1]);
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v2 = unit(path2[i+1] - path2[i]);
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vec = unit((v1+v2)/2);
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mat = is_undef(joint_angle)
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? rot(from=BACK,to=v1)
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: zrot(joint_angle);
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multmatrix(mat) polygon(joint_shape);
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} else if (hull) {
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hull() {
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setcolor(joint_color) {
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for (i = [1:1:len(path2)-2]) {
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$fn = quantup(segs(widths[i]/2),4);
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translate(path2[i]) {
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if (joints != undef) {
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joint_shape = _shape_path(
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joints, width[i],
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joint_width,
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joint_length,
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joint_extent
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);
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v1 = unit(path2[i] - path2[i-1]);
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v2 = unit(path2[i+1] - path2[i]);
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vec = unit((v1+v2)/2);
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mat = is_undef(joint_angle)
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? rot(from=BACK,to=v1)
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: zrot(joint_angle);
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multmatrix(mat) polygon(joint_shape);
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} else if (hull) {
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hull() {
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rot(from=BACK, to=path2[i]-path2[i-1])
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circle(d=widths[i]);
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rot(from=BACK, to=path2[i+1]-path2[i])
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circle(d=widths[i]);
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}
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} else {
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rot(from=BACK, to=path2[i]-path2[i-1])
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circle(d=widths[i]);
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rot(from=BACK, to=path2[i+1]-path2[i])
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circle(d=widths[i]);
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}
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} else {
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rot(from=BACK, to=path2[i]-path2[i-1])
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circle(d=widths[i]);
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rot(from=BACK, to=path2[i+1]-path2[i])
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circle(d=widths[i]);
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}
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}
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}
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// Endcap1
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translate(path[0]) {
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mat = is_undef(endcap_angle1)? rot(from=BACK,to=start_vec) :
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zrot(endcap_angle1);
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multmatrix(mat) polygon(endcap_shape1);
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setcolor(endcap_color1) {
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translate(path[0]) {
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mat = is_undef(endcap_angle1)? rot(from=BACK,to=start_vec) :
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zrot(endcap_angle1);
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multmatrix(mat) polygon(endcap_shape1);
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}
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}
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// Endcap2
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translate(last(path)) {
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mat = is_undef(endcap_angle2)? rot(from=BACK,to=end_vec) :
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zrot(endcap_angle2);
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multmatrix(mat) polygon(endcap_shape2);
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setcolor(endcap_color2) {
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translate(last(path)) {
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mat = is_undef(endcap_angle2)? rot(from=BACK,to=end_vec) :
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zrot(endcap_angle2);
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multmatrix(mat) polygon(endcap_shape2);
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}
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}
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} else {
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quatsums = q_cumulative([
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@ -334,47 +360,58 @@ module stroke(
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];
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// Straight segments
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for (i = idx(path2,e=-2)) {
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dist = norm(path2[i+1] - path2[i]);
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w1 = widths[i]/2;
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w2 = widths[i+1]/2;
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$fn = sides[i];
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translate(path2[i]) {
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multmatrix(rotmats[i]) {
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cylinder(r1=w1, r2=w2, h=dist, center=false);
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setcolor(color) {
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for (i = idx(path2,e=-2)) {
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dist = norm(path2[i+1] - path2[i]);
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w1 = widths[i]/2;
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w2 = widths[i+1]/2;
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$fn = sides[i];
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translate(path2[i]) {
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multmatrix(rotmats[i]) {
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cylinder(r1=w1, r2=w2, h=dist, center=false);
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}
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}
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}
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}
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// Joints
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for (i = [1:1:len(path2)-2]) {
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$fn = sides[i];
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translate(path2[i]) {
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if (joints != undef) {
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joint_shape = _shape_path(
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joints, width[i],
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joint_width,
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joint_length,
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joint_extent
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);
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multmatrix(rotmats[i] * xrot(180)) {
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$fn = sides[i];
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if (is_undef(joint_angle)) {
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rotate_extrude(convexity=convexity) {
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right_half(planar=true) {
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polygon(joint_shape);
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setcolor(joint_color) {
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for (i = [1:1:len(path2)-2]) {
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$fn = sides[i];
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translate(path2[i]) {
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if (joints != undef) {
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joint_shape = _shape_path(
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joints, width[i],
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joint_width,
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joint_length,
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joint_extent
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);
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multmatrix(rotmats[i] * xrot(180)) {
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$fn = sides[i];
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if (is_undef(joint_angle)) {
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rotate_extrude(convexity=convexity) {
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right_half(planar=true) {
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polygon(joint_shape);
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}
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}
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}
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} else {
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||||
rotate([90,0,joint_angle]) {
|
||||
linear_extrude(height=max(widths[i],0.001), center=true, convexity=convexity) {
|
||||
polygon(joint_shape);
|
||||
} else {
|
||||
rotate([90,0,joint_angle]) {
|
||||
linear_extrude(height=max(widths[i],0.001), center=true, convexity=convexity) {
|
||||
polygon(joint_shape);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if (hull) {
|
||||
hull(){
|
||||
} else if (hull) {
|
||||
hull(){
|
||||
multmatrix(rotmats[i]) {
|
||||
sphere(d=widths[i],style="aligned");
|
||||
}
|
||||
multmatrix(rotmats[i-1]) {
|
||||
sphere(d=widths[i],style="aligned");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
multmatrix(rotmats[i]) {
|
||||
sphere(d=widths[i],style="aligned");
|
||||
}
|
||||
|
|
@ -382,31 +419,26 @@ module stroke(
|
|||
sphere(d=widths[i],style="aligned");
|
||||
}
|
||||
}
|
||||
} else {
|
||||
multmatrix(rotmats[i]) {
|
||||
sphere(d=widths[i],style="aligned");
|
||||
}
|
||||
multmatrix(rotmats[i-1]) {
|
||||
sphere(d=widths[i],style="aligned");
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Endcap1
|
||||
translate(path[0]) {
|
||||
multmatrix(rotmats[0] * xrot(180)) {
|
||||
$fn = sides[0];
|
||||
if (is_undef(endcap_angle1)) {
|
||||
rotate_extrude(convexity=convexity) {
|
||||
right_half(planar=true) {
|
||||
polygon(endcap_shape1);
|
||||
setcolor(endcap_color1) {
|
||||
translate(path[0]) {
|
||||
multmatrix(rotmats[0] * xrot(180)) {
|
||||
$fn = sides[0];
|
||||
if (is_undef(endcap_angle1)) {
|
||||
rotate_extrude(convexity=convexity) {
|
||||
right_half(planar=true) {
|
||||
polygon(endcap_shape1);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
rotate([90,0,endcap_angle1]) {
|
||||
linear_extrude(height=max(widths[0],0.001), center=true, convexity=convexity) {
|
||||
polygon(endcap_shape1);
|
||||
} else {
|
||||
rotate([90,0,endcap_angle1]) {
|
||||
linear_extrude(height=max(widths[0],0.001), center=true, convexity=convexity) {
|
||||
polygon(endcap_shape1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -414,19 +446,21 @@ module stroke(
|
|||
}
|
||||
|
||||
// Endcap2
|
||||
translate(last(path)) {
|
||||
multmatrix(last(rotmats)) {
|
||||
$fn = last(sides);
|
||||
if (is_undef(endcap_angle2)) {
|
||||
rotate_extrude(convexity=convexity) {
|
||||
right_half(planar=true) {
|
||||
polygon(endcap_shape2);
|
||||
setcolor(endcap_color2) {
|
||||
translate(last(path)) {
|
||||
multmatrix(last(rotmats)) {
|
||||
$fn = last(sides);
|
||||
if (is_undef(endcap_angle2)) {
|
||||
rotate_extrude(convexity=convexity) {
|
||||
right_half(planar=true) {
|
||||
polygon(endcap_shape2);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
rotate([90,0,endcap_angle2]) {
|
||||
linear_extrude(height=max(last(widths),0.001), center=true, convexity=convexity) {
|
||||
polygon(endcap_shape2);
|
||||
} else {
|
||||
rotate([90,0,endcap_angle2]) {
|
||||
linear_extrude(height=max(last(widths),0.001), center=true, convexity=convexity) {
|
||||
polygon(endcap_shape2);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -997,3 +1031,5 @@ function _turtle_command(command, parm, parm2, state, index) =
|
|||
assert(false,str("Unknown turtle command \"",command,"\" at index",index))
|
||||
[];
|
||||
|
||||
|
||||
// vim: expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap
|
||||
|
|
|
|||
Loading…
Reference in a new issue