jQuery.extend(jQuery.roundabout_shape,{theJuggler:function(r,a,t){return{x:Math.sin(r+ a),y:Math.tan(Math.exp(Math.log(r))+ a)/(t- 1),z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},figure8:function(r,a,t){return{x:Math.sin(r*2+ a),y:(Math.sin(r+ Math.PI/2+ a)/8)*t,z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},waterWheel:function(r,a,t){return{x:(Math.sin(r+ Math.PI/2+ a)/8)*t,y:Math.sin(r+ a)/(Math.PI/2),z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},square:function(r,a,t){var sq_x,sq_y,sq_z;if(r<=Math.PI/2){sq_x=(2/Math.PI)*r;sq_y=-(2/Math.PI)*r+ 1;sq_z=-(1/Math.PI)*r+ 1;}else if(r>Math.PI/2&&r<=Math.PI){sq_x=-(2/Math.PI)*r+ 2;sq_y=-(2/Math.PI)*r+ 1;sq_z=-(1/Math.PI)*r+ 1;}else if(r>Math.PI&&r<=(3*Math.PI)/2){sq_x=-(2/Math.PI)*r+ 2;sq_y=(2/Math.PI)*r- 3;sq_z=(1/Math.PI)*r- 1;}else{sq_x=(2/Math.PI)*r- 4;sq_y=(2/Math.PI)*r- 3;sq_z=(1/Math.PI)*r- 1;}
return{x:sq_x/1.55,y:sq_y*t,z:sq_z,scale:sq_z}},conveyorBeltLeft:function(r,a,t){return{x:-Math.cos(r+ a),y:(Math.cos(r+ 3*Math.PI/2+ a)/8)*t,z:(Math.sin(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},conveyorBeltRight:function(r,a,t){return{x:Math.cos(r+ a),y:(Math.cos(r+ 3*Math.PI/2+ a)/8)*t,z:(Math.sin(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},goodbyeCruelWorld:function(r,a,t){return{x:Math.sin(r+ a),y:(Math.tan(r+ 3*Math.PI/2+ a)/8)*(t+ 0.5),z:(Math.sin(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},diagonalRingLeft:function(r,a,t){return{x:Math.sin(r+ a),y:-Math.cos(r+ Math.tan(Math.cos(a)))/(t+ 1.5),z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},diagonalRingRight:function(r,a,t){return{x:Math.sin(r+ a),y:Math.cos(r+ Math.tan(Math.cos(a)))/(t+ 1.5),z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5};},rollerCoaster:function(r,a,t){return{x:Math.sin(r+ a),y:Math.sin((2+ t)*r),z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5}},tearDrop:function(r,a,t){return{x:Math.sin(r+ a),y:-Math.sin(r/2+ t)+ 0.35,z:(Math.cos(r+ a)+ 1)/2,scale:(Math.sin(r+ Math.PI/2+ a)/2)+ 0.5}}});