/NplCadLibrary

Primary LanguageLua

NplCadLibrary

NplCad Programming Guide

Primitives 3D

Cube

cube(); 
cube(1);
cube({size = 1});
cube({size = {1,2,3}});
cube({size = 1, center = true}); -- default center:false
cube({size = 1, center = {true,true,false}}); -- individual axis center true or false

roundedCube();-- todo

Sphere

sphere();                          
sphere(1);
sphere({r = 2});                    -- Note: center = true is default 
sphere({r = 2, center = false});    
sphere({r = 2, center = {true, true, false}}); -- individual axis center 
sphere({r = 2, fn = 100 });

Cylinder

cylinder({r = 1, h = 10});                 
cylinder({d = 1, h = 10});
cylinder({r = 1, h = 10, center = true});   -- default: center = false
cylinder({r = 1, h = 10, center = {true, true, false}});  -- individual x,y,z center flags
cylinder({r1 = 3, r2 = 0, h = 10});
cylinder({d1 = 1, d2 = 0.5, h = 10});
cylinder({from = {0,0,0}, to = {0,0,10}, r1 = 1, r2 = 2, fn = 50});

roundedCylinder(); -- todo

Torus

-- todo

Polyhedron

polyhedron({ 
         points = {
               {0, -10, 60}, {0, 10, 60}, {0, 10, 0}, {0, -10, 0}, {60, -10, 60}, {60, 10, 60}, 
               {10, -10, 50}, {10, 10, 50}, {10, 10, 30}, {10, -10, 30}, {30, -10, 50}, {30, 10, 50}
               }, 
         triangles = {
                  {0,3,2},  {0,2,1},  {4,0,5},  {5,0,1},  {5,2,4},  {4,2,3},
                  {6,8,9},  {6,7,8},  {6,10,11},{6,11,7}, {10,8,11},
                  {10,9,8}, {3,0,9},  {9,0,6},  {10,6, 0},{0,4,10},
                  {3,9,10}, {3,10,4}, {1,7,11}, {1,11,5}, {1,8,7},  
                  {2,8,1},  {8,2,11}, {5,11,2}
                  }
      });

Text

-- todo

Transformations 3D

Scale

scale(2); --create a new parent node and set scale value          
scale(2,obj); --set scale value with obj          
scale({1,2,3}); --create a new parent node and set scale value          
scale({1,2,3},obj); --set scale value with obj

Rotate

rotate(2);	--create a new parent node and set rotation value          
rotate(2,obj);	--set rotation value with obj          
rotate({1,2,3}); --create a new parent node and set rotation value          
rotate({1,2,3},obj); --set rotation value with obj

Translate

translate({0,0,10}); --create a new parent node and set translation value 
translate({0,0,10},obj);	--set translation value with obj

Matrix Operations

-- todo

Mirror

-- todo

Union

union();

Intersection

intersection();

Difference

difference();

Primitives 2D

Circle

circle(); -- openscad like
circle(1); 
circle({d= 2, fn=5});
circle({r= 2, fn=5});
circle({r= 3, center = true}); -- center: false (default)
circle({r=3, center = {true, true}}); -- individual x,z center flags

Square

translate(4,0,0,square());
translate(4,0,4,square(2));
translate(4,0,8,square({size = 1.5}));
translate(4,0,12,square({size = {1,2}}));
translate(4,0,16,square({size = 1, center = true}));
translate(4,0,20,square({size = 1, center = {true,true}}));

Rectangle

translate(12,0,0,rectangle());
translate(12,0,4,rectangle({center = 1}));
translate(12,0,8,rectangle({center = {1,2}}));
translate(12,0,12,rectangle({radius = 2}));
translate(12,0,16,rectangle({radius = {2,4}}));
translate(12,0,20,rectangle({center = {1,2}, radius = {2,4}}));

translate(16,0,0,roundedRectangle());
translate(16,0,4,roundedRectangle({center = 1}));
translate(16,0,8,roundedRectangle({center = {1,2}}));
translate(16,0,12,roundedRectangle({radius = 2}));
translate(16,0,16,roundedRectangle({radius = {2,4}}));
translate(16,0,20,roundedRectangle({center = {1,2}, radius = {2,4}}));
translate(16,0,24,roundedRectangle({center = {1,2}, radius = {2,4},roundradius = 1,resolution = 32}));

Polygon

polygon({ {0,0},{3,0},{3,3} }); -- openscad like
translate(0,0,4,polygon({ points = { {0,0},{3,0},{3,3},{0,6} }}));

Transformations 2D



Paths 2D


local path = path2d({ points = { {0,0},{3,0},{3,3},{0,6} }, closed = false});
translate({1,0,0},expandToCAG(path));
path = path:appendPoint({-1,5});
translate({-3,0,0},expandToCAG(path));
path = path:appendPoints({{-1,4},{-2,3}});
translate({-7,0,0},expandToCAG(path));
local path2 = path2d({ arc = {center={0,0,0},radius=2,startangle=30,endangle= 270,resolution=16,maketangent=false}, closed = false});
translate({2,0,-4},expandToCAG(path2));

local path3 = path2d( {{0,3},{2,2}});
path3 = path3:appendBezier({{0,2},{2,1},{2,0},{0,0},{-2,0},{-2,1}},{resolution =16});
translate({-3,0,-4},expandToCAG(path3));


Hull


-- todo


Chain Hull


-- todo


Extruding Extrusion


Linear Extrude


translate({5,0,7},linear_extrude(square(1)));
translate({1,0,7},linear_extrude(square(1),{offset = {0,5,0}, twistangle = 360, twiststeps = 100}));
translate({-3,0,7},linear_extrude(square(1),{offset = {1,4,1}, twistangle = 90, twiststeps = 16}));


Rectangular Extrude


translate({-7,0,0},rectangular_extrude(path,{width = 0.3, height = 0.4, fn = 16}));
path.closed = false;
translate({-11,0,0},rectangular_extrude(path));


Rotate Extrude


translate({-7,2,7},rotate_extrude(polygon({ {1,0},{0,2},{2,2} })));
translate({-11,2,7},rotate_extrude(polygon({ {1,0},{0,2},{2,2} }),{angle = 270,fn = 12}));


Colors


svg colors


color("red")
color({255/255,0,0})
color({r,g,b});		--create a new parent node and set color value 
color({r,g,b},obj);     --set color value with obj 
color(color_name);	--create a new parent node and set color value with color name
color(color_name,obj)	--set color value with obj 


Log


log("Hello Npl Cad.");


Mathematical Functions


MathLibraryTutorial


math.abs
math.acos
math.asin
math.atan
math.ceil
math.cos
math.deg
math.exp
math.floor
math.fmod
math.huge
math.log
math.max
math.maxinteger
math.min
math.mininteger
math.modf
math.pi
math.rad
math.random
math.randomseed
math.sin
math.sqrt
math.tan
math.tointeger
math.type
math.ult


Including Files


include("a.npl")
include("b/c.npl")


Interactive Parametric Models


defineProperty({
    { name =  'key_group',		type =  'group',		caption =  'Group' }, 
    { name =  'key_choice',		type =  'choice',		caption = 'Choice:', values = {0, 1}, initial = 1, captions = {"No", "Yes"} },
    { name =  'key_text',		type =  'text',			initial =  '', size =  20, maxLength =  20, caption =  'Text', placeholder =  '20 characters' }, 
    { name =  'key_int',		type =  'int',			initial =  20, min =  1, max =  100, step =  1, caption =  'Int' }, 
    { name =  'key_float',		type =  'float',		initial =  0, caption =  'Float' }, 
    { name =  'key_checkbox',	type =  'checkbox',		checked =  true, initial =  '20', caption =  'Checkbox' }, 
    { name =  'key_color',		type =  'color',		initial =  '#FFB431', caption =  'Color' }, 
    { name =  'key_date',		type =  'date',			initial =  '', min =  '1915-01-01', max =  '2015-12-31', caption =  'Date', placeholder =  'YYYY-MM-DD' }, 
    { name =  'key_email',		type =  'email',		initial =  '', caption =  'Email' }, 
    { name =  'key_password',	type =  'password',		initial =  '', caption =  'Password' }, 
    { name =  'key_url',		type =  'url',			initial =  '', caption =  'Url' }, 
    { name =  'key_slider',		type =  'slider',		initial =  3, min =  1, max =  10, step =  1, caption =  'Slider' }, 
});


Scene Node Tags






Name
Value
Desc






csg_action
union/intersection/difference





color
{r,g,b}