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Code Issues Releases Wiki Activity

added a function to rotate around the dim axis

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Alex Verschoot
2025-03-13 22:53:21 +01:00
parent 3a62198183
commit f731f0fe98
2 changed files with 5 additions and 3 deletions
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2
tests/dimension.scad
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@@ -30,7 +30,7 @@ module dimensions_3d_xy() {
dimension([0,0,0], [0,10,0], "", 0.2); dimension([0,0,0], [0,10,0], "", 0.2);
dimension([0,0,0], [0,-10,0], "", 0.2); dimension([0,0,0], [0,-10,0], "", 0.2);
dimension([0,0,0], [10,0,0], "", 0.2); dimension([0,0,0], [10,0,0], "", 0.2);
dimension([0,0,0], [-10,0,0], "", 0.2); dimension([0,0,0], [-10,0,0], "", 0.2, rot_around_dim=270);
} }
module dimensions_3d_xyz() { module dimensions_3d_xyz() {

6
utils/dimension.scad
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@@ -27,7 +27,7 @@ include <../utils/maths.scad>
//if text is empty, will display the number value //if text is empty, will display the number value
module dimension(startpoint, endpoint, text = "", thickness = 0.1) { module dimension(startpoint, endpoint, text = "", thickness = 0.1, rot_around_dim = 0) {
// Compute vector between points // Compute vector between points
direction = endpoint - startpoint; direction = endpoint - startpoint;
length = norm(direction); length = norm(direction);
@@ -60,8 +60,10 @@ module dimension(startpoint, endpoint, text = "", thickness = 0.1) {
// Draw the text/distance // Draw the text/distance
dir = (length > 0) ? (direction / length) * thickness * 4 : [1, 0, 0]; dir = (length > 0) ? (direction / length) * thickness * 4 : [1, 0, 0];
up_dir = transform([0,1,0], rotate(azimuth)); up_dir = transform([0,1,0], rotate(azimuth));
depth_dir = transform([0,0,1], rotate(azimuth));
translate(midpoint + up_dir*thickness) rotate(direction*rot_around_dim/2)
translate(midpoint + up_dir*thickness - depth_dir*thickness/2)
rotate([0, elevation, azimuth]) rotate([0, elevation, azimuth])
linear_extrude(thickness) linear_extrude(thickness)
text(text == "" ? str(length) : text, size = thickness * 5, valign = "bottom", halign = "center"); text(text == "" ? str(length) : text, size = thickness * 5, valign = "bottom", halign = "center");