Morphing between two 2D shapes with the same number of points.

Morph from one set (of points) to another.
Softcurve()makes transition ease in and out.

for(i=[-0:0.1:1])
{
morphed=lerp(rabbit(),elephant(),softcurve(i)) ;
translate([i*200,0,0])
polygon( morphed);
}

function lerp(start,end,bias)=(end*bias+start*(1-bias));
function softcurve(a)=let(b=clamp(a))(b*b*(3-2*b));
function clamp(a,b=0,c=10)=min(max(a,b),c);
  

function rabbit()=[[-4.76,-3.76],[-5.76,-5.76],[-4.76,-9.76],[0.24,-9.76],[4.24,-9.76],[6.24,-5.76],[6.24,-3.76],[4.24,-2.76],[2.24,-1.76],[4.24,-0.76],[5.24,1.24],[3.24,3.24],[2.24,3.24],[3.24,5.24],[3.24,7.24],[1.24,6.24],[0.24,3.24],[-0.76,3.24],[-1.76,3.24],[-2.76,6.24],[-7.76,6.24],[-4.76,4.24],[-3.76,2.24],[-5.76,0.24],[-3.76,-1.76]]
+[for(i=[0: (24) ])rands(-1,1,2)]*0.5;
function elephant()=[[-11,-5.84],[-8,-5.84],[-8,-0.84],[-4,-1.84],[0,-1.84],[1,-0.84],[1,-5.84],[4,-5.84],[4,-0.84],[7,-4.84],[10,-4.84],[10,-2.84],[8,-2.84],[6,0.16],[8,4.16],[6,7.16],[3,6.16],[1,9.16],[-2,8.16],[-2,5.16],[1,4.16],[-3,4.16],[-10,3.16],[-11,-0.84],[-11,-5.84]]
+[for(i=[0: (24) ])rands(-1,1,2)]*0.5;