geändert: polyhaus.scad

fixed orientation of the outer wall elements
added trigonometric helper functions

polyhaus.scad

@@ -13,6 +13,38 @@ sides=6;
 		outer_wall_woodwidth=50;
 		outer_wall_strawwidth=1000;
 
+// Reusable functions
+// returns the inner circle radius given
+// the angle
+// wallstrengt
+// and the diameter
+//
+//
+function radius_in_circle(angle, diameter, wallstrength) =(
+		(cos(angle)*diameter)-
+		wallstrength
+);
+
+
+// returns the cleaned up value
+// given
+// angle,
+// diameter,
+// wallstrengt (measured 90° to the wall)
+function radius_in_diameter(angle, wallstrength, diameter) = (
+radius_in_circle(angle=angle, diameter=diameter, wallstrength=wallstrength)/ cos(angle));
+// echo(radius_in_diameter(diameter=2,wallstrength=0,angle=45));
+// should return 2
+
+// return the length of the inside of wall
+// given
+// angle
+// wallstrengt
+// diameter
+function sidelength_inside(angle,diameter,wallstrength)=(abs(sin(angle)*radius_in_diameter(angle,diameter,wallstrength)*2));
+// echo(abs(sidelength_inside(diameter=2,wallstrength=0,angle=45)));
+// should return 4
+
 // The House Modules
 module ngon(
 		diameter=5,
@@ -126,6 +158,50 @@ module spar(
 		);
 }
 
+module draw_spars(
+	spar_offset,
+	outer_wall_woodwidth,
+	wallstrength,
+	ringheigth
+)
+{
+		echo("DEBUG draw_spars drawing spars");
+		echo("DEBUG draw_spars vars:( spar_offset, outer_wall_woodwidth, wallstrength, ringheigth)");
+		echo(
+			spar_offset,
+			outer_wall_woodwidth,
+			wallstrength,
+			ringheigth
+		);
+
+		// positive spar
+		translate (
+						[
+						spar_offset,
+						0,
+						0
+						//radius_in_circle
+						] )
+		spar(
+						spar_width=outer_wall_woodwidth,
+						spar_depth=wallstrength,
+						spar_height=ringheigth
+			);
+		// mirrored / negative spar
+		translate (
+						[
+						-spar_offset,
+						0,
+						0
+						//radius_in_circle
+						] )
+		spar(
+						spar_width=outer_wall_woodwidth,
+						spar_depth=wallstrength,
+						spar_height=ringheigth
+			);
+}
+
 module outer_wall(
 	ringdiameter=ringdiameter,
 	ringstrength=ringstrength,
@@ -134,17 +210,24 @@ module outer_wall(
 	ceilingstrength=ceilingstrength
 )
 {
+	echo("DEBUG OUTER WALL building with ringdiameter, ringstrength,ringheigth,floorstrength,ceilingstrength");
+	echo(ringdiameter, ringstrength,ringheigth,floorstrength,ceilingstrength);
 	angle=0.5*360/sides;
     echo("DEBUG angle");
     echo(angle);
 	radius_in_circle=floor(
-		0.5*(sin(angle)*ringdiameter)-
+		radius_in_circle(diameter=ringdiameter,angle=angle,wallstrength=wallstrength)
-		wallstrength
+
+//		(cos(angle)*ringdiameter)-
+//		wallstrength
 	);
     echo("DEBUG radius_in_circle");
-    echo(radius_in_circle);
+    echo(radius_in_circle(diameter=ringdiameter,angle=angle,wallstrength=wallstrength));
-	side_length=round(
+	echo("DEBUG radius_in_diameter")
-		2*cos(angle)*radius_in_circle
+
+    echo(radius_in_diameter(diameter=ringdiameter,angle=angle,wallstrength=wallstrength));
+	side_length=round(sidelength_inside(diameter=ringdiameter,angle=angle,wallstrength=wallstrength)
+		//2*cos(angle)*radius_in_circle
 	);
     echo("DEBUG side_lenght");
     echo(side_length);
@@ -153,18 +236,27 @@ module outer_wall(
     echo(elements);
 	for(side=[1:sides] )
 	{
-        echo("DEBUG running through sides");
+			// rotate the outerwall to every side of the building
-		echo(side);
+			rotate(angle+2*side*angle)
-		rotate(
+			translate(
-			[0,0,2*angle]
+				[
+					radius_in_circle+
+					wallstrength,
+					0,
+					0
+				]
 				)
 			{
-		echo(" DEBUG OUTER WALL building spars")
+				echo("DEBUG running through sides");
+				echo(side);
+				rotate( [0,0,90])
+				{
+				echo("DEBUG OUTER WALL building spars");
 					if (elements%2==1)
 					{
 						echo("DEBUG uneven number");
 							// center the middle modeline
-					for (spar= [0:elements])
+							for (spar= [0:elements/2])
 							{
 								echo("DEBUG OUTER WALL planking");
 								echo("DEBUG OUTER WALL spar");
@@ -180,42 +272,26 @@ module outer_wall(
 								echo(
 										outer_wall_woodwidth,
 										wallstrength,
-								level
+										ringheigth
 										);
-						translate (
+								draw_spars(
-								[
-								0,
 												offset,
-								radius_in_circle
+												outer_wall_woodwidth,
-								] )
+												wallstrength,
-							spar(
+												ringheigth
-								spar_width=outer_wall_woodwidth,
-								spar_depth=wallstrength,
-								spar_height=level
 										  );
-						translate (
-								[
-								0,
-								-offset,
-								radius_in_circle
-							] )
-							spar(
-								spar_width=outer_wall_woodwidth,
-								spar_depth=wallstrength,
-								spar_height=level
-								);
-
 							}
 						}
 						if (elements%2==0)
 						{
 						echo("DEBUG even number");
 							// center the middle modeline
-					for (spar= [0:elements])
+							for (spar= [0:elements/2])
 							{
 								echo("DEBUG OUTER WALL planking");
 								echo("DEBUG OUTER WALL spar");
 								echo(spar);
+								// offset "along" the wall
 								offset= (0.5* outer_wall_strawwidth +
 								spar*(outer_wall_woodwidth+
 								outer_wall_strawwidth));
@@ -225,37 +301,20 @@ module outer_wall(
 								echo(
 										outer_wall_woodwidth,
 										wallstrength,
-								level
+										ringheigth
 										);
-						// positive spar
+								draw_spars(
-						translate (
-								[
 												offset,
-								0,
+												outer_wall_woodwidth,
-								radius_in_circle
+												wallstrength,
-								] )
+												ringheigth=ringheigth
-							spar(
-								spar_width=outer_wall_woodwidth,
-								spar_depth=wallstrength,
-								spar_height=level
-								);
-						// negative spar
-						translate (
-								[
-								-offset,
-								0,
-								radius_in_circle
-								] )
-							spar(
-								spar_width=outer_wall_woodwidth,
-								spar_depth=wallstrength,
-								spar_height=level
 										  );
 							}
 						}
 				}
 			}
 		};
+}
 
 living();
 translate([0,0,level]) living();