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optimize CollideWith using preliminary BoundingVolume collide check

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Bebul 2014-10-21 10:33:48 +02:00
parent 9cd1a514a6
commit 67fe2c4047
1 changed files with 12 additions and 0 deletions
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12
jme3-core/src/main/java/com/jme3/scene/Node.java
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@ -489,6 +489,18 @@ public class Node extends Spatial implements Savable {
public int collideWith(Collidable other, CollisionResults results){
int total = 0;
// optimization: try collideWith BoundingVolume to avoid possibly redundant tests on children
if (children.size() > 4)
{
BoundingVolume bv = this.getWorldBound();
CollisionResults bvColRes = new CollisionResults();
if (bv.collideWith(other, bvColRes) == 0)
{
System.out.println("Skipping collideWith "+getName());
return 0;
}
}
for (Spatial child : children.getArray()){
total += child.collideWith(other, results);
}