// mathgrrl maker maker
///////////////////////////////////////////////////////////////////
// CUSTOMIZER DISPLAY SETTINGS
// preview[view:south, tilt:top]
///////////////////////////////////////////////////////////////////
// SIZE PARAMETERS
/* [Size Settings] */
// Some overall dimension
A = 100;
// Another overall dimension
B = 30;
///////////////////////////////////////////////////////////////////
// STYLE PARAMETERS
/* [Style Settings] */
// controls scaling of elements in random subsequence1
// number from 0 (min allowable) to 10 (max allowable)
style1 = 6;
// controls likelihood of true/false in random subsequence2
// number from 0 (always false) to 10 (always true)
style2 = 7;
///////////////////////////////////////////////////////////////////
// RANDOM SEED
/* [Choose Random Seed] */
// USE THIS ONE WITH OPENSCAD
// comment this out if using Customizer
// OpenSCAD chooses a random seed
random_seed = floor(rands(1,9999999,1)[0]);
// USE THIS ONE WITH CUSTOMIZER
// comment this out if using OpenSCAD
// Click anywhere in the slider to choose a seed
//random_seed = 8675309; // [1:1:9999999]
// OR TYPE IN A SEED MANUALLY
// works both in OpenSCAD and Customizer
// Overrides the slider seed unless set to 0
custom_seed = 0;
// set the random snowflake seed
seed = (custom_seed==0) ? random_seed : custom_seed;
// Show random seed? (it won't print even if you say yes)
show_seed = "yes"; //[yes:Yes,no:No]
// Create a string to output the random seed
// thank you laird for showing me how to do this with your code
// from http://www.thingiverse.com/thing:188481
labelString=str(floor(seed/1000000)%10, floor(seed/100000)%10,
floor(seed/10000)%10, floor(seed/1000)%10,
floor(seed/100)%10, floor(seed/10)%10,
floor(seed/1)%10);
// Display the random seed in the render
if(show_seed=="yes"){
translate([0,-30,0])
color("gray")
%linear_extrude(height=1)
text(labelString,size=4,halign="center");
}
// Output the random seed in the log
echo(labelString);
///////////////////////////////////////////////////////////////////
// RANDOM SEQUENCES
// construct the main random sequence
// a list of random real numbers in [0,10] based on the chosen seed
maxSteps=30*1;
random = rands(0,10,maxSteps,seed);
echo(random);
// subsequence of 10 items from the main sequence
// weighted by style1
subrandom1 = [for(i=[0:10-1]) random[i]*style1];
echo(subrandom1);
// subsequence of another 10 items from the main sequence
// output as true/false verdicts by comparison to style2
subrandom2 = [for(i=[10:10+10-1]) random[i]<=style2];
echo(subrandom2);
///////////////////////////////////////////////////////////////////
// RENDERS
// example: flat base based on overall size parameters
cube([A,B,10],center=true);
// example: cubes
// heights based on subrandom1, visibility based on subrandom2
color("white")
for (i=[0:10-1]){
if (subrandom2[i]==true){
translate([(i-5)*(A/12)+A/24,0,5+subrandom1[i]/2])
cube([5,5,subrandom1[i]],center=true);
}
}
///////////////////////////////////////////////////////////////////
// MODULES
// put shapes here