package edu.berkeley.qfat.geom;
import javax.media.opengl.*;
import java.util.*;
+import edu.berkeley.qfat.Mesh;
public abstract class HasBindingGroup {
- BindingGroup bindingGroup;
+ public BindingGroup bindingGroup;
// know: self = bindingGroup[self] * master
// know: other = other.bindingGroup[other] * other.bindingGroup.master
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));
+ if (getBindingMatrix(other).equalsModuloEpsilon(bindingMatrix, 0.001f))
+ return;
+ return;
}
bindingMatrix =
- getBindingMatrix()
+ getBindingMatrix().inverse()
.times(bindingMatrix)
.times(other.getBindingMatrix());
other.bindingGroup.merge(bindingGroup, bindingMatrix);
}
+ public int bindingGroupSize() {
+ if (bindingGroup == null) return 1;
+ return bindingGroup.size();
+ }
+
+
public Matrix getBindingMatrix() {
if (bindingGroup==null) return Matrix.ONE;
return bindingGroup.getMatrix(this);
}
public Matrix getBindingMatrix(HasBindingGroup other) {
+ if (other==this) return Matrix.ONE;
return bindingGroup.getMatrix(this, other);
}
- public HasBindingGroup getMaster() {
- if (bindingGroup==null) return this;
- return bindingGroup.getMaster();
- }
-
public void unbind() {
if (bindingGroup==null) return;
bindingGroup.unbind(this);
}
public boolean isBoundTo(HasBindingGroup t) {
- return bindingGroup.contains(t);
+ return t==this || (bindingGroup!=null && bindingGroup.contains(t));
}
public Iterable getBoundPeers() {