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add theta_maze

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Justin Lin
2021-02-28 10:34:56 +08:00
parent 1496023b33
commit 00756bee24
1 changed files with 54 additions and 0 deletions
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examples/maze/theta_maze.scad Normal file
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use <maze/mz_theta_cells.scad>;
use <maze/mz_theta_get.scad>;
use <hull_polyline2d.scad>;
rows = 16;
begining_columns = 8;
divided_ratio = 1.5;
cell_width = 10;
wall_thickness = 2;
wall_height = 5;
theta_maze(rows, begining_columns, divided_ratio, cell_width, wall_thickness, wall_height);
module theta_maze(rows, begining_columns, divided_ratio, cell_width, wall_thickness, wall_height) {
function vt_from_angle(theta, r) = [r * cos(theta), r * sin(theta)];
maze = mz_theta_cells(rows, begining_columns, divided_ratio);
linear_extrude(wall_height) {
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") {
hull_polyline2d([innerVt1, innerVt2], width = wall_thickness);
}
if(wallType == "CCW_WALL" || wallType == "INWARD_CCW_WALL") {
hull_polyline2d([innerVt2, outerVt2], width = wall_thickness);
}
}
}
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);
hull_polyline2d([vt1, vt2], width = wall_thickness);
}
}
}