added module for creating triangle by tangent angle

This commit is contained in:
Eero af Heurlin 2010-08-27 18:01:17 +03:00
parent add07c01b0
commit d942631454

View file

@ -22,5 +22,41 @@ module triangle(o_len, a_len, depth)
}
}
//triangle(5,10,7);
/**
* Standard right-angled triangle (tangent version)
*
* @param number angle of adjacent to hypotenuse (ie tangent)
* @param number a_len Lenght of the adjacent side
* @param number depth How wide/deep the triangle is in the 3rd dimension
*/
module a_triangle(tan_angle, a_len, depth)
{
linear_extrude(height=depth)
{
polygon(points=[[0,0],[a_len,0],[0,tan(tan_angle) * a_len]], paths=[[0,1,2]]);
}
}
module triangles_test()
{
// Generate a bunch of triangles by sizes
for (i = [1:10])
{
translate([i*7, -30, i*7])
{
triangle(i*5, sqrt(i*5+pow(i,2)), 5);
}
}
// Generate a bunch of triangles by angle
for (i = [1:85/5])
{
translate([i*7, 20, i*7])
{
a_triangle(i*5, 10, 5);
}
}
}
// triangles_test();