- public void bindTo(HasBindingGroup other, Matrix bindingMatrix) {
- if (other.bindingGroup == this.bindingGroup)
- throw new Error("rebind attempt");
+ public void bindTo(Matrix bindingMatrix, HasBindingGroup other) {
+ if (bindingGroup == null) bindingGroup = new BindingGroup(this);
+ if (other.bindingGroup == null) other.bindingGroup = new BindingGroup(other);
+
+ if (other.bindingGroup == this.bindingGroup) {
+ if (getBindingMatrix(other).equals(bindingMatrix))
+ return;
+ /*
+ throw new Error("rebind attempt: "+this+" and "+other+" with "
+ + bindingMatrix
+ + "; expected "
+ + getBindingMatrix(other));
+ */
+ Matrix vom = other.getBindingMatrix(bindingGroup.getMaster());
+ Matrix v2 = bindingMatrix;
+ Matrix v3 = getBindingMatrix(other);
+ Matrix m = vom.inverse().times(v2.inverse()).times(v3).times(vom);
+ bindingGroup.krank = bindingGroup.krank.times(m);
+ /*
+ System.err.println("WARNING: discarding rebind attempt: "+this+" and "+other+m);
+ */
+ //" with "
+ //+ bindingMatrix
+ //+ "; expected "
+ //+ getBindingMatrix(other));
+ return;
+ }
+