grouped-tiles

import cadquery as cq
from cadquery import exporters
import random

ROWS = 8
COLS = 8
CELL_WIDTH = 1
CELL_HEIGHT = 1
GROUPS = 3
TILES_DISTANCE_X = 0.001
TILES_DISTANCE_Y = 0.001

 # To visualize the grid
grid = cq.Workplane("XY")
for i in range(ROWS+1):
    new_line = cq.Workplane("XY").moveTo(0, CELL_HEIGHT*i).lineTo(COLS*CELL_WIDTH, i*CELL_HEIGHT)
    grid.add(new_line)
for i in range(COLS+1):
    new_line = cq.Workplane("XY").moveTo(i*CELL_WIDTH, 0).lineTo(i*CELL_WIDTH, CELL_HEIGHT*ROWS)
    grid.add(new_line)
show_object(grid)


points = [
    (0, 0, -0.25),
    (5, 3, -0.25),
    (8, 6, -0.25),
    (0, 1, -0.25),
    (0, 0, -0.25)
]

curve = cq.Workplane("XY").spline(points).close()
solidified_curve = curve.extrude(0.5)

isolating = [cq.Assembly() for _ in range(GROUPS)]
colors = ["black", "white", "blue"]

for i in range(ROWS):
    for j in range(COLS):
        random_group = random.randint(0, GROUPS-1)
        current_rect = cq.Workplane("XY").rect(CELL_WIDTH, CELL_HEIGHT).extrude(0.5).translate((i*CELL_WIDTH+CELL_WIDTH/2, j*CELL_HEIGHT+CELL_HEIGHT/2, -0.25))
        extracted_cell = solidified_curve.intersect(current_rect).translate((TILES_DISTANCE_X*i, TILES_DISTANCE_Y*j, 0))
        isolating[random_group].add(extracted_cell, color=cq.Color(colors[random_group]))


combined_groups = cq.Assembly()
for i in range(GROUPS):
    combined_groups.add(isolating[i])
show_object(combined_groups)
show_object(curve)
#combined_groups.save("tiles_any_shape.glb")