diff --git a/2Dshapes.scad b/2Dshapes.scad index fa46364..12aa7b7 100644 --- a/2Dshapes.scad +++ b/2Dshapes.scad @@ -18,101 +18,101 @@ // example2DShapes(); use ; module example2DShapes(){ - grid(105,105,true,4) - { - // ellipse - ellipse(50,75); + grid(105,105,true,4) + { + // ellipse + ellipse(50,75); - // part of ellipse (a number of quarters) - ellipsePart(50,75,3); - ellipsePart(50,75,2); - ellipsePart(50,75,1); + // part of ellipse (a number of quarters) + ellipsePart(50,75,3); + ellipsePart(50,75,2); + ellipsePart(50,75,1); - // complexRoundSquare examples - complexRoundSquare([75,100],[20,10],[20,10],[20,10],[20,10]); - complexRoundSquare([75,100],[0,0],[0,0],[30,50],[20,10]); - complexRoundSquare([50,50],[10,20],[10,20],[10,20],[10,20],false); - complexRoundSquare([100,100]); - complexRoundSquare([100,100],rads1=[20,20],rads3=[20,20]); + // complexRoundSquare examples + complexRoundSquare([75,100],[20,10],[20,10],[20,10],[20,10]); + complexRoundSquare([75,100],[0,0],[0,0],[30,50],[20,10]); + complexRoundSquare([50,50],[10,20],[10,20],[10,20],[10,20],false); + complexRoundSquare([100,100]); + complexRoundSquare([100,100],rads1=[20,20],rads3=[20,20]); - // pie slice - pieSlice(50,0,10); - pieSlice(50,45,190); - pieSlice([50,20],180,270); + // pie slice + pieSlice(50,0,10); + pieSlice(50,45,190); + pieSlice([50,20],180,270); - // donut slice - donutSlice(20,50,0,350); - donutSlice(30,50,190,270); - donutSlice([40,22],[50,30],180,270); - donutSlice([50,20],50,180,270); - donutSlice([20,30],[50,40],0,270); - } + // donut slice + donutSlice(20,50,0,350); + donutSlice(30,50,190,270); + donutSlice([40,22],[50,30],180,270); + donutSlice([50,20],50,180,270); + donutSlice([20,30],[50,40],0,270); + } } // end examples ---------------------- module complexRoundSquare( - size, // Size - rads1=[0,0], // Top left radius - rads2=[0,0], // Top right radius - rads3=[0,0], // Bottom right radius - rads4=[0,0], // Bottom left radius - center=true // center + size, // Size + rads1=[0,0], // Top left radius + rads2=[0,0], // Top right radius + rads3=[0,0], // Bottom right radius + rads4=[0,0], // Bottom left radius + center=true // center ) { - width = size[0]; - height = size[1]; - // %square(size=[width, height],center=true); - x1 = 0-width/2+rads1[0]; - y1 = 0-height/2+rads1[1]; - x2 = width/2-rads2[0]; - y2 = 0-height/2+rads2[1]; - x3 = width/2-rads3[0]; - y3 = height/2-rads3[1]; - x4 = 0-width/2+rads4[0]; - y4 = height/2-rads4[1]; + width = size[0]; + height = size[1]; + // %square(size=[width, height],center=true); + x1 = 0-width/2+rads1[0]; + y1 = 0-height/2+rads1[1]; + x2 = width/2-rads2[0]; + y2 = 0-height/2+rads2[1]; + x3 = width/2-rads3[0]; + y3 = height/2-rads3[1]; + x4 = 0-width/2+rads4[0]; + y4 = height/2-rads4[1]; - scs = 0.1; // straight corner size + scs = 0.1; // straight corner size - x = (center)? 0: width/2; - y = (center)? 0: height/2; + x = (center)? 0: width/2; + y = (center)? 0: height/2; - translate([x,y,0]) - hull() - { - // top left - if(rads1[0] > 0 && rads1[1] > 0) - translate([x1,y1]) - mirror([1,0]) - ellipsePart(rads1[0]*2,rads1[1]*2,1); - else - translate([x1,y1]) - square(size=[scs, scs]); + translate([x,y,0]) + hull() + { + // top left + if(rads1[0] > 0 && rads1[1] > 0) + translate([x1,y1]) + mirror([1,0]) + ellipsePart(rads1[0]*2,rads1[1]*2,1); + else + translate([x1,y1]) + square(size=[scs, scs]); - // top right - if(rads2[0] > 0 && rads2[1] > 0) - translate([x2,y2]) - ellipsePart(rads2[0]*2,rads2[1]*2,1); - else - translate([width/2-scs,0-height/2]) - square(size=[scs, scs]); + // top right + if(rads2[0] > 0 && rads2[1] > 0) + translate([x2,y2]) + ellipsePart(rads2[0]*2,rads2[1]*2,1); + else + translate([width/2-scs,0-height/2]) + square(size=[scs, scs]); - // bottom right - if(rads3[0] > 0 && rads3[1] > 0) - translate([x3,y3]) - mirror([0,1]) - ellipsePart(rads3[0]*2,rads3[1]*2,1); - else - translate([width/2-scs,height/2-scs]) - square(size=[scs, scs]); + // bottom right + if(rads3[0] > 0 && rads3[1] > 0) + translate([x3,y3]) + mirror([0,1]) + ellipsePart(rads3[0]*2,rads3[1]*2,1); + else + translate([width/2-scs,height/2-scs]) + square(size=[scs, scs]); - // bottom left - if(rads4[0] > 0 && rads4[1] > 0) - translate([x4,y4]) - rotate([0,0,-180]) - ellipsePart(rads4[0]*2,rads4[1]*2,1); - else - #translate([x4,height/2-scs]) - square(size=[scs, scs]); - } + // bottom left + if(rads4[0] > 0 && rads4[1] > 0) + translate([x4,y4]) + rotate([0,0,-180]) + ellipsePart(rads4[0]*2,rads4[1]*2,1); + else + #translate([x4,height/2-scs]) + square(size=[scs, scs]); + } } module roundedSquare(pos=[10,10],r=2) { @@ -120,9 +120,10 @@ module roundedSquare(pos=[10,10],r=2) { { square([pos[0]-r*2,pos[1]-r*2],center=true); - circle(r=r); - } -} + + circle(r=r); + } +} // round shapes // The orientation might change with the implementation of circle... @@ -130,11 +131,12 @@ module ngon(sides, radius, center=false) { rotate([0, 0, 360/sides/2]) circle(r=radius, $fn=sides, center=center); } + module ellipsePart(width,height,numQuarters) { o = 1; //slight overlap to fix a bug difference() { - ellipse(width,height); + ellipse(width,height); if(numQuarters <= 3) translate([0-width/2-o,0-height/2-o,0]) @@ -145,7 +147,7 @@ module ellipsePart(width,height,numQuarters) { if(numQuarters < 2) translate([-o,0,0]) square([width/2+o*2,height/2+o]); - } + } } module donutSlice(innerSize,outerSize, start_angle, end_angle) { @@ -154,7 +156,7 @@ module donutSlice(innerSize,outerSize, start_angle, end_angle) { pieSlice(outerSize, start_angle, end_angle); if(len(innerSize) > 1) - ellipse(innerSize[0]*2,innerSize[1]*2); + ellipse(innerSize[0]*2,innerSize[1]*2); else circle(innerSize); } @@ -172,7 +174,7 @@ module pieSlice(size, start_angle, end_angle) { //size in radius(es) a4 = (0 * start_angle + 4 * end_angle) / 4; if(end_angle > start_angle) - intersection() { + intersection() { if(len(size) > 1) ellipse(rx*2,ry*2); else