:3

src/main.rs

@@ -16,7 +16,26 @@ pub fn run(args: cli::Args) -> Result<()> {
     let mut canvas = canvas_from_cli(&args);
 
     if args.cmd_image && !args.cmd_video {
-        canvas = examples::title();
+        let bgcol = match rand::thread_rng().gen_range(1..=3) {
+            1 => Color::White,
+            2 => Color::Pink,
+            3 => Color::Cyan,
+            _ => unreachable!(),
+        };
+        canvas.set_background(bgcol);
+        canvas.add_or_replace_layer(canvas.random_layer("feur"));
+
+        for (_, obj) in canvas.layer("feur").objects.iter_mut() {
+            obj.change_color(match (bgcol, rand::thread_rng().gen_bool(0.5)) {
+                (Color::White, true) => Color::Pink,
+                (Color::White, false) => Color::Cyan,
+                (Color::Pink, true) => Color::White,
+                (Color::Pink, false) => Color::Cyan,
+                (Color::Cyan, true) => Color::White,
+                (Color::Cyan, false) => Color::Pink,
+                _ => unreachable!(),
+            });
+        }
 
         let rendered = canvas.render(true)?;
         if args.arg_file.ends_with(".svg") {

src/objects.rs

@@ -1,6 +1,6 @@
 use std::collections::HashMap;
 
-use crate::{ColorMapping, Fill, Filter, Point, Region, Transformation};
+use crate::{Color, ColorMapping, Fill, Filter, Point, Region, Transformation};
 use itertools::Itertools;
 use wasm_bindgen::prelude::*;
 
@@ -66,6 +66,22 @@ impl ColoredObject {
         self.filters.clear();
     }
 
+    pub fn change_color(&mut self, color: Color) {
+        match self.fill {
+            None => (),
+            Some(Fill::Solid(_)) => self.fill = Some(Fill::Solid(color)),
+            Some(Fill::Translucent(_, opacity)) => {
+                self.fill = Some(Fill::Translucent(color, opacity))
+            }
+            Some(Fill::Hatched(_, pattern, spacing, angle)) => {
+                self.fill = Some(Fill::Hatched(color, pattern, spacing, angle))
+            }
+            Some(Fill::Dotted(_, radius, spacing)) => {
+                self.fill = Some(Fill::Dotted(color, radius, spacing))
+            }
+        }
+    }
+
     pub fn render(
         &self,
         cell_size: usize,

transfem/gen.fish

@@ -0,0 +1 @@
+just && while true; ./shapemaker image transfem/1.svg -c pink:#F5A9B8 -c cyan:#5BCEFA --objects-count 5..30; sleep 0.125; end