3d phys [test] - OpenProcessing

main
Body
utils
xxxxxxxxxx
 
let body,r=[[0,1,0],[0,0,1]]
​
setup=_=>{
  createCanvas(400,400,WEBGL)
  body=new Body({})
  body.applyForce([1,0,2],[6,18,9])
}
​
draw=_=>{
  r[1][2]=1
  let m=vdot([1,0,0],body.gridNormal(r[1]))
  r[1][2]=m
  if(keyIsDown(32))body.applyForce(...r)
  body.update()
  background(255)
  scale(30)
  strokeWeight(5)
  stroke(255,0,0)
  line(...body.p,body.p[0]+3*body.a[0][0],body.p[1]+3*body.a[0][1],body.p[2]+3*body.a[0][2])
  stroke(0,255,0)
  line(...body.p,...vadd(body.p,body.a[1]))
  stroke(0,0,255)
  line(...body.p,...vadd(body.p,vcross(...body.a)))
  
  stroke(0)
  line(...vadd(body.p,body.gridNormal(r[0])),...vadd(body.p,body.gridNormal(vadd(...r))))
  strokeWeight(2)
  line(...body.p,...vadd(body.p,vmultf(body.v,100)))
  
  push()
  fill(0);noStroke()
  translate(...body.toGrid(body.fromGrid([-1,0,1])))
  box(0.1)
  pop()
  
  orbitControl()
}