/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.tests.utils;
import com.badlogic.gdx.InputAdapter;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.math.Vector3;
public class OrthoCamController extends InputAdapter {
final OrthographicCamera camera;
final Vector3 curr = new Vector3();
final Vector3 last = new Vector3(-1, -1, -1);
final Vector3 delta = new Vector3();
public OrthoCamController (OrthographicCamera camera) {
this.camera = camera;
}
@Override
public boolean touchDragged (int x, int y, int pointer) {
camera.unproject(curr.set(x, y, 0));
if (!(last.x == -1 && last.y == -1 && last.z == -1)) {
camera.unproject(delta.set(last.x, last.y, 0));
delta.sub(curr);
camera.position.add(delta.x, delta.y, 0);
}
last.set(x, y, 0);
return false;
}
@Override
public boolean touchUp (int x, int y, int pointer, int button) {
last.set(-1, -1, -1);
return false;
}
}