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use function literals to make surface functions more fun

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Bob 2022-02-22 21:00:03 -05:00
parent f0e339966f
commit 703015dc51
6 changed files with 155 additions and 451 deletions
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@ -205,11 +205,7 @@ $warning_color = [1,0,0, 0.15];
$minkowski_facets = 30; $minkowski_facets = 30;
$shape_facets =30; $shape_facets =30;
// 3d surface settings
// unused for now
$3d_surface_size = 100;
// resolution in each axis. 10 = 10 divisions per x/y = 100 points total
$3d_surface_step = 10;
// "flat" / "dished" / "disable" // "flat" / "dished" / "disable"
$inner_shape_type = "flat"; $inner_shape_type = "flat";
@ -220,6 +216,48 @@ $side_sculpting_factor = 4.5;
$corner_sculpting_factor = 1; $corner_sculpting_factor = 1;
// When doing more side sculpting corners, how much extra radius should be added // When doing more side sculpting corners, how much extra radius should be added
$more_side_sculpting_factor = 0.4; $more_side_sculpting_factor = 0.4;
// 3d surface functions (still in beta)
// 3d surface settings
// unused for now
$3d_surface_size = 20;
// resolution in each axis. 10 = 10 divisions per x/y = 100 points total.
// 5 = 20 divisions per x/y
$3d_surface_step = 1;
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
sinusoidal_surface_distribution = function(dim,size) sin(dim) * size;
linear_surface_distribution = function(dim,size) sin(dim) * size;
$surface_distribution_function = linear_surface_distribution;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
// $surface_function = function(x,y) 1;
cylindrical_surface = function(x,y) (sin(acos(x/$3d_surface_size)));
spherical_surface = function(x,y) (1 - (x/$3d_surface_size)^2)^0.5 * (1 - (y/$3d_surface_size)^2)^0.5;
// looks a lot like mt3
quartic_surface = function(x,y) (1 - (x/$3d_surface_size)^4)^0.5 * (1 - (y/$3d_surface_size)^4)^0.5;
ripple_surface = function(x,y) cos((x^2+y^2)^0.5 * 50)/4 + 0.75;
rosenbrocks_banana_surface = function(x,y) (pow(1-(x/$3d_surface_size))^2 + 100 * pow((y/$3d_surface_size)-(x/$3d_surface_size)^2)^2)/200 + 0.1;
spike_surface = function(x,y) 1/(((x/$3d_surface_size)^2+(y/$3d_surface_size)^2)^0.5) + .01;
random_surface = function(x,y) sin(rands(0,90,1,x+y)[0]);
bumps_surface = function(x,y) sin(20*x)*cos(20*y)/3+1;
$surface_function = bumps_surface; // bumps_surface;
// ripples
/*
// Rosenbrock's banana
/* $
// y=x revolved around the y axis
/* $surface_function = */
/* $surface_function = */
// key width functions // key width functions
module u(u=1) { module u(u=1) {
@ -945,29 +983,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -1408,29 +1423,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -1487,29 +1479,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -2422,29 +2391,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3246,29 +3192,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3436,29 +3359,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3547,29 +3447,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3622,29 +3499,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3743,29 +3597,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3818,29 +3649,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -3957,29 +3765,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -4102,29 +3887,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -4177,29 +3939,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -4345,29 +4084,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -4420,29 +4136,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -4882,36 +4575,13 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
function unit_length(length) = $unit * (length - 1) + 18.16; function unit_length(length) = $unit * (length - 1) + 18.16;
module 3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST_POSSIBLE){ module 3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST_POSSIBLE){
function p(x, y) = [ x, y, max(0,surface_function(x, y)) ]; function p(x, y) = [ x, y, max(0,$surface_function(x, y)) ];
function p0(x, y) = [ x, y, bottom ]; function p0(x, y) = [ x, y, bottom ];
function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ]; function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ];
function face(x, y) = [ p(x, y + step), p(x + step, y + step), p(x + step, y), p(x + step, y), p(x, y), p(x, y + step) ]; function face(x, y) = [ p(x, y + step), p(x + step, y + step), p(x + step, y), p(x + step, y), p(x, y), p(x, y + step) ];
@ -4943,13 +4613,13 @@ module 3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST
polyhedron(points, faces, convexity = 8); polyhedron(points, faces, convexity = 8);
} }
module polar_3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST_POSSIBLE){ module polar_3d_surface(size, step, bottom=-SMALLEST_POSSIBLE){
function to_polar(q, size) = q * (90 / size); function to_polar(q, size) = q * (90 / size);
function p(x, y) = [ function p(x, y) = [
surface_distribution_function(to_polar(x, size), size), $surface_distribution_function(to_polar(x, size), size),
surface_distribution_function(to_polar(y, size), size), $surface_distribution_function(to_polar(y, size), size),
max(0,surface_function(surface_distribution_function(to_polar(x, size), size), surface_distribution_function(to_polar(y, size), size))) max(0,$surface_function($surface_distribution_function(to_polar(x, size), size), $surface_distribution_function(to_polar(y, size), size)))
]; ];
function p0(x, y) = [ x, y, bottom ]; function p0(x, y) = [ x, y, bottom ];
function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ]; function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ];
@ -4983,8 +4653,8 @@ module polar_3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SM
} }
// defaults, overridden in functions.scad // defaults, overridden in functions.scad
function surface_distribution_function(dim, size) = sin(dim) * size; // $surface_distribution_function = function(dim, size) sin(dim) * size;
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size)); // $surface_function = function(x,y) (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
module 3d_surface_dish(width, height, depth, inverted) { module 3d_surface_dish(width, height, depth, inverted) {
echo(inverted ? "inverted" : "not inverted"); echo(inverted ? "inverted" : "not inverted");
@ -4992,9 +4662,11 @@ module 3d_surface_dish(width, height, depth, inverted) {
// it doesn't have to be dead reckoning for anything but sculpted sides // it doesn't have to be dead reckoning for anything but sculpted sides
// we know the angle of the sides from the width difference, height difference, // we know the angle of the sides from the width difference, height difference,
// skew and tilt of the top. it's a pain to calculate though // skew and tilt of the top. it's a pain to calculate though
scale_factor = 1.1; scale_factor = 1.11;
// the edges on this behave differently than with the previous dish implementations // the edges on this behave differently than with the previous dish implementations
scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth]) rotate([inverted ? 0:180,0,180]) polar_3d_surface(bottom=-10); scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth])
rotate([inverted ? 0:180,0,180])
polar_3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-10);
/* %scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth]) rotate([180,0,0]) polar_3d_surface(bottom=-10); */ /* %scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth]) rotate([180,0,0]) polar_3d_surface(bottom=-10); */
} }
@ -5012,7 +4684,7 @@ module dish(width, height, depth, inverted) {
sideways_cylindrical_dish(width, height, depth, inverted); sideways_cylindrical_dish(width, height, depth, inverted);
} else if ($dish_type == "old spherical") { } else if ($dish_type == "old spherical") {
old_spherical_dish(width, height, depth, inverted); old_spherical_dish(width, height, depth, inverted);
} else if ($dish_type == "3d_surface") { } else if ($dish_type == "3d surface") {
3d_surface_dish(width, height, depth, inverted); 3d_surface_dish(width, height, depth, inverted);
} else if ($dish_type == "flat") { } else if ($dish_type == "flat") {
flat_dish(width, height, depth, inverted); flat_dish(width, height, depth, inverted);
@ -5074,29 +4746,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length
@ -6732,11 +6381,7 @@ $warning_color = [1,0,0, 0.15];
$minkowski_facets = 30; $minkowski_facets = 30;
$shape_facets =30; $shape_facets =30;
// 3d surface settings
// unused for now
$3d_surface_size = 100;
// resolution in each axis. 10 = 10 divisions per x/y = 100 points total
$3d_surface_step = 10;
// "flat" / "dished" / "disable" // "flat" / "dished" / "disable"
$inner_shape_type = "flat"; $inner_shape_type = "flat";
@ -6746,7 +6391,49 @@ $side_sculpting_factor = 4.5;
// When sculpting corners, how much extra radius should be added // When sculpting corners, how much extra radius should be added
$corner_sculpting_factor = 1; $corner_sculpting_factor = 1;
// When doing more side sculpting corners, how much extra radius should be added // When doing more side sculpting corners, how much extra radius should be added
$more_side_sculpting_factor = 0.4; key(); $more_side_sculpting_factor = 0.4;
// 3d surface functions (still in beta)
// 3d surface settings
// unused for now
$3d_surface_size = 20;
// resolution in each axis. 10 = 10 divisions per x/y = 100 points total.
// 5 = 20 divisions per x/y
$3d_surface_step = 1;
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
sinusoidal_surface_distribution = function(dim,size) sin(dim) * size;
linear_surface_distribution = function(dim,size) sin(dim) * size;
$surface_distribution_function = linear_surface_distribution;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
// $surface_function = function(x,y) 1;
cylindrical_surface = function(x,y) (sin(acos(x/$3d_surface_size)));
spherical_surface = function(x,y) (1 - (x/$3d_surface_size)^2)^0.5 * (1 - (y/$3d_surface_size)^2)^0.5;
// looks a lot like mt3
quartic_surface = function(x,y) (1 - (x/$3d_surface_size)^4)^0.5 * (1 - (y/$3d_surface_size)^4)^0.5;
ripple_surface = function(x,y) cos((x^2+y^2)^0.5 * 50)/4 + 0.75;
rosenbrocks_banana_surface = function(x,y) (pow(1-(x/$3d_surface_size))^2 + 100 * pow((y/$3d_surface_size)-(x/$3d_surface_size)^2)^2)/200 + 0.1;
spike_surface = function(x,y) 1/(((x/$3d_surface_size)^2+(y/$3d_surface_size)^2)^0.5) + .01;
random_surface = function(x,y) sin(rands(0,90,1,x+y)[0]);
bumps_surface = function(x,y) sin(20*x)*cos(20*y)/3+1;
$surface_function = bumps_surface; // bumps_surface;
// ripples
/*
// Rosenbrock's banana
/* $
// y=x revolved around the y axis
/* $surface_function = */
/* $surface_function = */ key();
} }
if (!$using_customizer) { if (!$using_customizer) {

2
src/dishes.scad
View File

@ -22,7 +22,7 @@ module dish(width, height, depth, inverted) {
sideways_cylindrical_dish(width, height, depth, inverted); sideways_cylindrical_dish(width, height, depth, inverted);
} else if ($dish_type == "old spherical") { } else if ($dish_type == "old spherical") {
old_spherical_dish(width, height, depth, inverted); old_spherical_dish(width, height, depth, inverted);
} else if ($dish_type == "3d_surface") { } else if ($dish_type == "3d surface") {
3d_surface_dish(width, height, depth, inverted); 3d_surface_dish(width, height, depth, inverted);
} else if ($dish_type == "flat") { } else if ($dish_type == "flat") {
flat_dish(width, height, depth, inverted); flat_dish(width, height, depth, inverted);

6
src/dishes/3d_surface.scad
View File

@ -6,9 +6,11 @@ module 3d_surface_dish(width, height, depth, inverted) {
// it doesn't have to be dead reckoning for anything but sculpted sides // it doesn't have to be dead reckoning for anything but sculpted sides
// we know the angle of the sides from the width difference, height difference, // we know the angle of the sides from the width difference, height difference,
// skew and tilt of the top. it's a pain to calculate though // skew and tilt of the top. it's a pain to calculate though
scale_factor = 1.1; scale_factor = 1.11;
// the edges on this behave differently than with the previous dish implementations // the edges on this behave differently than with the previous dish implementations
scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth]) rotate([inverted ? 0:180,0,180]) polar_3d_surface(bottom=-10); scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth])
rotate([inverted ? 0:180,0,180])
polar_3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-10);
/* %scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth]) rotate([180,0,0]) polar_3d_surface(bottom=-10); */ /* %scale([width*scale_factor/$3d_surface_size/2,height*scale_factor/$3d_surface_size/2,depth]) rotate([180,0,0]) polar_3d_surface(bottom=-10); */
} }

23
src/functions.scad
View File

@ -43,29 +43,6 @@ function vertical_inclination_due_to_top_tilt() = sin($top_tilt) * (top_total_ke
// I derived this through a bunch of trig reductions I don't really understand. // I derived this through a bunch of trig reductions I don't really understand.
function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth); function extra_keytop_length_for_flat_sides() = ($width_difference * vertical_inclination_due_to_top_tilt()) / ($total_depth);
// 3d surface functions (still in beta)
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
function surface_distribution_function(dim, size) = sin(dim) * size;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
function surface_function(x,y) = 1;
// cylindrical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size)));
// spherical
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));
// ripples
/* function surface_function(x,y) = cos(pow(pow(x,2)+pow(y,2),0.5)*10)/4+0.75; */
// Rosenbrock's banana
/* function surface_function(x,y) = (pow(1-(x/100), 2) + 100 * pow((y/100)-pow((x/100),2),2))/200 + 0.1; */
// y=x revolved around the y axis
/* function surface_function(x,y) = 1/(pow(pow(x,2)+pow(y,2),0.5)/100 + .01); */
/* function surface_function(x,y) = sin(rands(0,90,1,x+y)[0]); */
// adds uniform rounding radius for round-anything polyRound // adds uniform rounding radius for round-anything polyRound
function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]]; function add_rounding(p, radius)=[for(i=[0:len(p)-1])[p[i].x,p[i].y, radius]];
// computes millimeter length from unit length // computes millimeter length from unit length

14
src/libraries/3d_surface.scad
View File

@ -3,7 +3,7 @@
include <../functions.scad> include <../functions.scad>
module 3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST_POSSIBLE){ module 3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST_POSSIBLE){
function p(x, y) = [ x, y, max(0,surface_function(x, y)) ]; function p(x, y) = [ x, y, max(0,$surface_function(x, y)) ];
function p0(x, y) = [ x, y, bottom ]; function p0(x, y) = [ x, y, bottom ];
function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ]; function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ];
function face(x, y) = [ p(x, y + step), p(x + step, y + step), p(x + step, y), p(x + step, y), p(x, y), p(x, y + step) ]; function face(x, y) = [ p(x, y + step), p(x + step, y + step), p(x + step, y), p(x + step, y), p(x, y), p(x, y + step) ];
@ -35,13 +35,13 @@ module 3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST
polyhedron(points, faces, convexity = 8); polyhedron(points, faces, convexity = 8);
} }
module polar_3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SMALLEST_POSSIBLE){ module polar_3d_surface(size, step, bottom=-SMALLEST_POSSIBLE){
function to_polar(q, size) = q * (90 / size); function to_polar(q, size) = q * (90 / size);
function p(x, y) = [ function p(x, y) = [
surface_distribution_function(to_polar(x, size), size), $surface_distribution_function(to_polar(x, size), size),
surface_distribution_function(to_polar(y, size), size), $surface_distribution_function(to_polar(y, size), size),
max(0,surface_function(surface_distribution_function(to_polar(x, size), size), surface_distribution_function(to_polar(y, size), size))) max(0,$surface_function($surface_distribution_function(to_polar(x, size), size), $surface_distribution_function(to_polar(y, size), size)))
]; ];
function p0(x, y) = [ x, y, bottom ]; function p0(x, y) = [ x, y, bottom ];
function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ]; function rev(b, v) = b ? v : [ v[3], v[2], v[1], v[0] ];
@ -75,5 +75,5 @@ module polar_3d_surface(size=$3d_surface_size, step=$3d_surface_step, bottom=-SM
} }
// defaults, overridden in functions.scad // defaults, overridden in functions.scad
function surface_distribution_function(dim, size) = sin(dim) * size; // $surface_distribution_function = function(dim, size) sin(dim) * size;
function surface_function(x,y) = (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size)); // $surface_function = function(x,y) (sin(acos(x/$3d_surface_size))) * sin(acos(y/$3d_surface_size));

48
src/settings.scad
View File

@ -190,11 +190,7 @@ $warning_color = [1,0,0, 0.15];
$minkowski_facets = 30; $minkowski_facets = 30;
$shape_facets =30; $shape_facets =30;
// 3d surface settings
// unused for now
$3d_surface_size = 100;
// resolution in each axis. 10 = 10 divisions per x/y = 100 points total
$3d_surface_step = 10;
// "flat" / "dished" / "disable" // "flat" / "dished" / "disable"
$inner_shape_type = "flat"; $inner_shape_type = "flat";
@ -205,3 +201,45 @@ $side_sculpting_factor = 4.5;
$corner_sculpting_factor = 1; $corner_sculpting_factor = 1;
// When doing more side sculpting corners, how much extra radius should be added // When doing more side sculpting corners, how much extra radius should be added
$more_side_sculpting_factor = 0.4; $more_side_sculpting_factor = 0.4;
// 3d surface functions (still in beta)
// 3d surface settings
// unused for now
$3d_surface_size = 20;
// resolution in each axis. 10 = 10 divisions per x/y = 100 points total.
// 5 = 20 divisions per x/y
$3d_surface_step = 1;
// monotonically increasing function that distributes the points of the surface mesh
// only for polar_3d_surface right now
// if it's linear it's a grid. sin(dim) * size concentrates detail around the edges
sinusoidal_surface_distribution = function(dim,size) sin(dim) * size;
linear_surface_distribution = function(dim,size) sin(dim) * size;
$surface_distribution_function = linear_surface_distribution;
// the function that actually determines what the surface is.
// feel free to override, the last one wins
// debug
// $surface_function = function(x,y) 1;
cylindrical_surface = function(x,y) (sin(acos(x/$3d_surface_size)));
spherical_surface = function(x,y) (1 - (x/$3d_surface_size)^2)^0.5 * (1 - (y/$3d_surface_size)^2)^0.5;
// looks a lot like mt3
quartic_surface = function(x,y) (1 - (x/$3d_surface_size)^4)^0.5 * (1 - (y/$3d_surface_size)^4)^0.5;
ripple_surface = function(x,y) cos((x^2+y^2)^0.5 * 50)/4 + 0.75;
rosenbrocks_banana_surface = function(x,y) (pow(1-(x/$3d_surface_size))^2 + 100 * pow((y/$3d_surface_size)-(x/$3d_surface_size)^2)^2)/200 + 0.1;
spike_surface = function(x,y) 1/(((x/$3d_surface_size)^2+(y/$3d_surface_size)^2)^0.5) + .01;
random_surface = function(x,y) sin(rands(0,90,1,x+y)[0]);
bumps_surface = function(x,y) sin(20*x)*cos(20*y)/3+1;
$surface_function = bumps_surface; // bumps_surface;
// ripples
/*
// Rosenbrock's banana
/* $
// y=x revolved around the y axis
/* $surface_function = */
/* $surface_function = */