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88 lines
2.3 KiB
OpenSCAD
88 lines
2.3 KiB
OpenSCAD
use <along_with.scad>;
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use <polyhedron_hull.scad>;
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use <maze/mz_theta_cells.scad>;
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use <maze/mz_theta_get.scad>;
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rows = 4;
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begining_columns = 6;
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cell_width = 12;
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rock_size = 4;
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height_scale = 3;
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flat_base = false;
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rock_theta_maze(rows, begining_columns, cell_width, rock_size, height_scale, flat_base);
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module rock(width = 1) {
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n = 15 * rands(1, 1.25, 1)[0];
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r = width / 2 * rands(1, 1.25, 1)[0];
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theta = rands(0, 359, n);
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phi = rands(0, 359, n);
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scale([1, 1.25, 2])
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polyhedron_hull([
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for(i = [0:n - 1]) [r * cos(theta[i]), r * sin(theta[i]), r * cos(phi[i])]]);
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}
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module rock_wall(p1, p2, size) {
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dvt = p2 - p1;
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leng = norm(dvt);
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uvt = dvt / leng;
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along_with([for(i = [0:3:leng]) p1 + uvt * i], method = "EULER_ANGLE")
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rock(size);
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translate([0, 0, 1.2])
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along_with([for(i = [0:4:leng - 1]) p1 + uvt * i], method = "EULER_ANGLE")
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rock(size * 0.875);
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}
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module rock_theta_maze(rows, begining_columns, cell_width, rock_size, height_scale, flat_base) {
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function vt_from_angle(theta, r) = [r * cos(theta), r * sin(theta)];
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maze = mz_theta_cells(rows, begining_columns);
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scale([1, 1, height_scale])
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difference() {
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union() {
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for(rows = maze) {
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for(cell = rows) {
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ri = mz_theta_get(cell, "r");
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ci = mz_theta_get(cell, "c");
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if([ri, ci] != [0, 0]) {
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wallType = mz_theta_get(cell, "t");
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thetaStep = 360 / len(maze[ri]);
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innerR = (ri + 1) * cell_width;
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outerR = (ri + 2) * cell_width;
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theta1 = thetaStep * ci;
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theta2 = thetaStep * (ci + 1);
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innerVt1 = vt_from_angle(theta1, innerR);
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innerVt2 = vt_from_angle(theta2, innerR);
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outerVt2 = vt_from_angle(theta2, outerR);
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if(wallType == "INWARD_WALL" || wallType == "INWARD_CCW_WALL") {
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rock_wall(innerVt1, innerVt2, rock_size);
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}
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if(wallType == "CCW_WALL" || wallType == "INWARD_CCW_WALL") {
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rock_wall(innerVt2, outerVt2, rock_size);
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}
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}
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}
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}
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thetaStep = 360 / len(maze[rows - 1]);
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r = cell_width * (rows + 1);
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for(theta = [0:thetaStep:360 - thetaStep * 2]) {
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vt1 = vt_from_angle(theta, r);
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vt2 = vt_from_angle(theta + thetaStep, r);
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rock_wall(vt1, vt2, rock_size);
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}
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}
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if(flat_base) {
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translate([0, 0, -cell_width * rows * 2])
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cube(cell_width * rows * 4, center = true);
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}
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}
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} |