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Add test geometries

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After pr #10, it makes sense to have some test shapes beyond the
examples to make sure there aren't regressions in the library,
Hopefully we'll add to this with time.
This commit is contained in:
Kurt Hutten 2020-10-06 06:21:28 +11:00
parent 6b16407430
commit 5a7b6db0ec
1 changed files with 44 additions and 11 deletions
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55
roundAnythingExamples.scad
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@ -12,6 +12,10 @@ basicPolyRoundExample();
// radiusExtrudeExample();
// polyRoundExtrudeExample();
// testing
// testGeometries();
module basicPolyRoundExample(){
// polyLine is a dev helper. Aim is to show the points of the polygon and their order before
// you're ready to move on to polyRound and a polygon
@ -122,8 +126,8 @@ module translateRadiiPointsExample() {
module 2dShellExample(){
radiiPoints=[[-4,0,1],[5,3,1.5],[0,7,0.1],[8,7,10],[20,20,0.8],[10,0,10]];
shell2d(-0.5)polygon(polyRound(radiiPoints,30));
translate([0,-10,0])shell2d(-0.5){
linear_extrude(1)shell2d(-0.5)polygon(polyRound(radiiPoints,30));
translate([0,-10,0])linear_extrude(1)shell2d(-0.5){
polygon(polyRound(radiiPoints,30));
translate([8,8])gridpattern(memberW = 0.3, sqW = 1, iter = 17, r = 0.2);
}
@ -136,7 +140,7 @@ module beamChainExample(){
translate([0,0,0]){
radiiPoints=beamPoints(0,0);
for(i=[0: len(radiiPoints)-1]){color("red")translate([radiiPoints[i].x,radiiPoints[i].y,0])cylinder(d=0.2, h=1);}
polygon(polyRound(beamChain(radiiPoints,offset1=0.02, offset2=-0.02),20));
linear_extrude(1)polygon(polyRound(beamChain(radiiPoints,offset1=0.02, offset2=-0.02),20));
}
@ -144,32 +148,32 @@ module beamChainExample(){
translate([0,-7,0]){
radiiPoints=beamPoints(2,1);
for(i=[0: len(radiiPoints)-1]){color("red")translate([radiiPoints[i].x,radiiPoints[i].y,0])cylinder(d=0.2, h=1);}
polygon(polyRound(beamChain(radiiPoints,offset1=0.02, offset2=-0.02),20));
linear_extrude(1)polygon(polyRound(beamChain(radiiPoints,offset1=0.02, offset2=-0.02),20));
}
// Give make the lines beams with some thickness
translate([0,-7*2,0]){
radiiPoints=beamPoints(2,1);
polygon(polyRound(beamChain(radiiPoints,offset1=0.5, offset2=-0.5),20));
linear_extrude(1)polygon(polyRound(beamChain(radiiPoints,offset1=0.5, offset2=-0.5),20));
}
// Add an angle to the start of the beam
translate([0,-7*3,0]){
radiiPoints=beamPoints(2,1);
polygon(polyRound(beamChain(radiiPoints,offset1=0.5, offset2=-0.5, startAngle=45),20));
linear_extrude(1)polygon(polyRound(beamChain(radiiPoints,offset1=0.5, offset2=-0.5, startAngle=45),20));
}
// Put a negative radius at the start for transationing to a flat surface
translate([0,-7*4,0]){
radiiPoints=beamPoints(2,1,rStart=-0.7);
polygon(polyRound(beamChain(radiiPoints,offset1=0.5, offset2=-0.5, startAngle=45),20));
linear_extrude(1)polygon(polyRound(beamChain(radiiPoints,offset1=0.5, offset2=-0.5, startAngle=45),20));
}
// Define more points for a polygon to be atteched to the end of the beam chain
clipP=[[16,1.2,0],[16,0,0],[16.5,0,0],[16.5,1,0.2],[17.5,1,0.2],[17.5,0,0],[18,0,0],[18,1.2,0]];
translate([-15,-7*5+3,0]){
for(i=[0:len(clipP)-1]){color("red")translate([clipP[i].x,clipP[i].y,0])cylinder(d=0.2, h=1);}
polygon(polyRound(clipP,20));
linear_extrude(1)polygon(polyRound(clipP,20));
}
// Attached to the end of the beam chain by dividing the beam paths in forward and return and
@ -179,7 +183,7 @@ module beamChainExample(){
forwardPath=beamChain(radiiPoints,offset1=0.5,startAngle=-15,mode=2);
returnPath=revList(beamChain(radiiPoints,offset1=-0.5,startAngle=-15,mode=2));
entirePath=concat(forwardPath,clipP,returnPath);
polygon(polyRound(entirePath,20));
linear_extrude(1)polygon(polyRound(entirePath,20));
}
// Add transitioning radii into the end polygong
@ -188,13 +192,13 @@ module beamChainExample(){
forwardPath=beamChain(radiiPoints,offset1=0.5,startAngle=-15,mode=2);
returnPath=revList(beamChain(radiiPoints,offset1=-0.5,startAngle=-15,mode=2));
entirePath=concat(forwardPath,clipP,returnPath);
polygon(polyRound(entirePath,20));
linear_extrude(1)polygon(polyRound(entirePath,20));
}
// Define multiple shells from the the one set of points
translate([0,-7*9,0]){
radiiPoints=beamPoints(2,1,rEnd=3);
for(i=[0:2]){polygon(polyRound(beamChain(radiiPoints,offset1=-1+i*0.4, offset2=-1+i*0.4+0.25),20));}
for(i=[0:2]){linear_extrude(1)polygon(polyRound(beamChain(radiiPoints,offset1=-1+i*0.4, offset2=-1+i*0.4+0.25),20));}
}
}
@ -225,3 +229,32 @@ module gridpattern(memberW = 4, sqW = 12, iter = 5, r = 3){
}
}
}
module testGeometries() {
// Check these shapen preview (plus "thrown together") and render correctly with each PR
points = [
[0, 10, 5],
[10, 0, 5],
[0, -10, 5],
[-10, 0, 5],
];
reversedPoints = [
[-10, 0, 5],
[0, -10, 5],
[10, 0, 5],
[0, 10, 5],
];
polyRoundExtrudeTestShape(points);
translate([0,20,0])polyRoundExtrudeTestShape(reversedPoints);
}
module polyRoundExtrudeTestShape(points) {
// make sure no faces are inverted
difference() {
translate([0, 0, -2.5]) polyRoundExtrude(points,r1=-1,r2=1);
sphere(d=9);
translate([0,0,7])sphere(d=9);
}
}