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add rock_theta_maze

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Justin Lin
2021-02-28 17:00:04 +08:00
parent 00756bee24
commit 9fa4c7b6dc
1 changed files with 78 additions and 0 deletions
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examples/maze/rock_theta_maze.scad Normal file
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use <along_with.scad>;
use <polyhedron_hull.scad>;
use <maze/mz_theta_cells.scad>;
use <maze/mz_theta_get.scad>;
rows = 4;
begining_columns = 6;
cell_width = 10;
rock_size = 4;
rock_theta_maze(rows, begining_columns, cell_width);
module rock(width = 1) {
n = 15 * rands(1, 1.25, 1)[0];
r = width / 2 * rands(1, 1.25, 1)[0];
theta = rands(0, 359, n);
phi = rands(0, 359, n);
scale([1, 1.25, 2])
polyhedron_hull([
for(i = [0:n - 1]) [r * cos(theta[i]), r * sin(theta[i]), r * cos(phi[i])]]);
}
module rock_wall(p1, p2) {
dvt = p2 - p1;
leng = norm(dvt);
uvt = dvt / leng;
along_with([for(i = [0:3:leng]) p1 + uvt * i], method = "EULER_ANGLE")
rock(rock_size);
translate([0, 0, 1.2])
along_with([for(i = [0:4:leng - 1]) p1 + uvt * i], method = "EULER_ANGLE")
rock(rock_size * 0.875);
}
module rock_theta_maze(rows, begining_columns, cell_width) {
function vt_from_angle(theta, r) = [r * cos(theta), r * sin(theta)];
maze = mz_theta_cells(rows, begining_columns);
{
for(rows = maze) {
for(cell = rows) {
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") {
rock_wall(innerVt1, innerVt2);
}
if(wallType == "CCW_WALL" || wallType == "INWARD_CCW_WALL") {
rock_wall(innerVt2, outerVt2);
}
}
}
thetaStep = 360 / len(maze[rows - 1]);
r = cell_width * (rows + 1);
for(theta = [0:thetaStep:360 - thetaStep]) {
vt1 = vt_from_angle(theta, r);
vt2 = vt_from_angle(theta + thetaStep, r);
rock_wall(vt1, vt2);
}
}
}