Library with box(x,y,z) function?

andyproce..

Library with box(x,y,z) function?

in Contributed Library Questions • 2 years ago

Is there a library which provides a box(x1, y1, z1, x2, y2, z2) function (similar to the line(x1, y1, z1, x2, y2, z2) one) and works out the size and rotation of the box, rather than needing me to calculate it (or which would help with the calculations)?

Replies(3)

cedrickie..

Re: Library with box(x,y,z) function?

2 years ago

Take a look at quarks 3d shape library.
it helps you to create what you need. although its a bit more sophisticated than the simple box.

http://www.lagers.org.uk/s3d4p/applets/s3d4p_knot/index.html

toxmeister

Re: Library with box(x,y,z) function?

2 years ago

I can help you with a library which allows you draw axis-aligned boxes directly in space without needing to pushMatrix(), translate(), popMatrix(). But from only specifying 2 points in space you can't figure out a rotation/orientation for these boxes. You'll need at least one other piece of information/reference point/direction...

But anyhow, considering axis-aligned is fine, you can use toxiclibs like this:

import toxi.geom.*;
import toxi.processing.*;
ToxiclibsSupport gfx;
void setup() {
size(640,480,P3D);
gfx=new ToxiclibsSupport(this);
}
void draw() {
background(0);
translate(width/2,height/2,0);
rotateX(mouseY*0.01);
rotateY(mouseX*0.01);
Vec3D p1=new Vec3D(100,100,100);
Vec3D p2=new Vec3D(200,300,400);
AABB b=AABB.fromMinMax(p1,p2);
gfx.box(b);
// or, alternatively...
//gfx.mesh(b.toMesh());
}

As for also changing the orientation, if you'd also want to align these boxes towards a certain point or direction vector then do have a lok at the MeshAlignToAxis example, bundled with the library distribution...

andyproce..

Re: Library with box(x,y,z) function?

2 years ago

Thanks for both replies. In the end, I used shapes3D (simply because that suggestion came first) though I will look into the Toxiclibs more later on.

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