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Changed the way the walkDirection is computed in HelloCollision to avoid instatiating vector3f on each update. Also updated the wiki to reflect the change

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10714 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
rem..om 2013-07-14 09:18:33 +00:00
parent 7c5571070c
commit 01d8f36a52
1 changed files with 24 additions and 11 deletions
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35
engine/src/test/jme3test/helloworld/HelloCollision.java
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@ -64,6 +64,11 @@ public class HelloCollision extends SimpleApplication
private CharacterControl player;
private Vector3f walkDirection = new Vector3f();
private boolean left = false, right = false, up = false, down = false;
//Temporary vectors used on each frame.
//They here to avoid instanciating new vectors on each frame
private Vector3f camDir = new Vector3f();
private Vector3f camLeft = new Vector3f();
public static void main(String[] args) {
HelloCollision app = new HelloCollision();
@ -164,15 +169,23 @@ public class HelloCollision extends SimpleApplication
* We also make sure here that the camera moves with player.
*/
@Override
public void simpleUpdate(float tpf) {
Vector3f camDir = cam.getDirection().clone().multLocal(0.6f);
Vector3f camLeft = cam.getLeft().clone().multLocal(0.4f);
walkDirection.set(0, 0, 0);
if (left) { walkDirection.addLocal(camLeft); }
if (right) { walkDirection.addLocal(camLeft.negate()); }
if (up) { walkDirection.addLocal(camDir); }
if (down) { walkDirection.addLocal(camDir.negate()); }
player.setWalkDirection(walkDirection);
cam.setLocation(player.getPhysicsLocation());
}
public void simpleUpdate(float tpf) {
camDir.set(cam.getDirection()).multLocal(0.6f);
camLeft.set(cam.getLeft()).multLocal(0.4f);
walkDirection.set(0, 0, 0);
if (left) {
walkDirection.addLocal(camLeft);
}
if (right) {
walkDirection.addLocal(camLeft.negate());
}
if (up) {
walkDirection.addLocal(camDir);
}
if (down) {
walkDirection.addLocal(camDir.negate());
}
player.setWalkDirection(walkDirection);
cam.setLocation(player.getPhysicsLocation());
}
}