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dotSCAD/examples/maze/theta_maze.scad
Justin Lin 8ce96f9128 format
2022-04-03 14:16:17 +08:00

55 lines
1.5 KiB
OpenSCAD

use <maze/mz_theta.scad>;
use <maze/mz_theta_get.scad>;
use <polyline_join.scad>;
rings = 5;
beginning_number = 8;
cell_width = 10;
wall_thickness = 2;
wall_height = 5;
theta_maze(rings, beginning_number, cell_width, wall_thickness, wall_height);
module theta_maze(rings, beginning_number, cell_width, wall_thickness, wall_height) {
function vt_from_angle(theta, r) = [r * cos(theta), r * sin(theta)];
maze = mz_theta(rings, beginning_number);
half_wall_thickness = wall_thickness / 2;
linear_extrude(wall_height) {
for(rings = maze, cell = rings) {
ri = mz_theta_get(cell, "r");
ci = mz_theta_get(cell, "c");
wallType = mz_theta_get(cell, "t");
thetaStep = 360 / len(maze[ri]);
innerR = (ri + 1) * cell_width;
outerR = (ri + 2) * cell_width;
theta1 = thetaStep * ci;
theta2 = thetaStep * (ci + 1);
innerVt1 = vt_from_angle(theta1, innerR);
innerVt2 = vt_from_angle(theta2, innerR);
outerVt2 = vt_from_angle(theta2, outerR);
if(wallType == "INWARD_WALL" || wallType == "INWARD_CCW_WALL") {
polyline_join([innerVt1, innerVt2])
circle(half_wall_thickness);
}
if(wallType == "CCW_WALL" || wallType == "INWARD_CCW_WALL") {
polyline_join([innerVt2, outerVt2])
circle(half_wall_thickness);
}
}
thetaStep = 360 / len(maze[rings - 1]);
r = cell_width * (rings + 1);
for(theta = [0:thetaStep:360 - thetaStep]) {
vt1 = vt_from_angle(theta, r);
vt2 = vt_from_angle(theta + thetaStep, r);
polyline_join([vt1, vt2])
circle(half_wall_thickness);
}
}
}