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Transform: implement equals and hashCode

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This commit is contained in:
Kirill Vainer 2015-08-21 22:26:26 -04:00
parent 1575e2a1d3
commit 57d560244e
1 changed files with 33 additions and 11 deletions
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44
jme3-core/src/main/java/com/jme3/math/Transform.java
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@ -49,7 +49,7 @@ public final class Transform implements Savable, Cloneable, java.io.Serializable
private Quaternion rot = new Quaternion();
private Vector3f translation = new Vector3f();
private Vector3f scale = new Vector3f(1,1,1);
private Vector3f scale = new Vector3f(1, 1, 1);
public Transform(Vector3f translation, Quaternion rot){
this.translation.set(translation);
@ -283,9 +283,32 @@ public final class Transform implements Savable, Cloneable, java.io.Serializable
* Loads the identity. Equal to translation=0,0,0 scale=1,1,1 rot=0,0,0,1.
*/
public void loadIdentity() {
translation.set(0,0,0);
scale.set(1,1,1);
rot.set(0,0,0,1);
translation.set(0, 0, 0);
scale.set(1, 1, 1);
rot.set(0, 0, 0, 1);
}
@Override
public int hashCode() {
int hash = 7;
hash = 89 * hash + rot.hashCode();
hash = 89 * hash + translation.hashCode();
hash = 89 * hash + scale.hashCode();
return hash;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final Transform other = (Transform) obj;
return this.translation.equals(other.translation)
&& this.scale.equals(other.scale)
&& this.rot.equals(other.rot);
}
@Override
@ -307,22 +330,21 @@ public final class Transform implements Savable, Cloneable, java.io.Serializable
return this;
}
@Override
public void write(JmeExporter e) throws IOException {
OutputCapsule capsule = e.getCapsule(this);
capsule.write(rot, "rot", new Quaternion());
capsule.write(rot, "rot", Quaternion.IDENTITY);
capsule.write(translation, "translation", Vector3f.ZERO);
capsule.write(scale, "scale", Vector3f.UNIT_XYZ);
}
@Override
public void read(JmeImporter e) throws IOException {
InputCapsule capsule = e.getCapsule(this);
rot = (Quaternion)capsule.readSavable("rot", new Quaternion());
translation = (Vector3f)capsule.readSavable("translation", null);
if( translation == null ) {
translation = new Vector3f();
}
scale = (Vector3f)capsule.readSavable("scale", Vector3f.UNIT_XYZ);
rot.set((Quaternion)capsule.readSavable("rot", Quaternion.IDENTITY));
translation.set((Vector3f)capsule.readSavable("translation", Vector3f.ZERO));
scale.set((Vector3f)capsule.readSavable("scale", Vector3f.UNIT_XYZ));
}
@Override