/*
* Copyright (C) 2014 Benny Bobaganoosh
*
* 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.base.engine.components;
import com.base.engine.core.Input;
import com.base.engine.core.Vector2f;
import com.base.engine.core.Vector3f;
import com.base.engine.rendering.Window;
public class FreeLook extends GameComponent
{
private static final Vector3f Y_AXIS = new Vector3f(0,1,0);
private boolean m_mouseLocked = false;
private float m_sensitivity;
private int m_unlockMouseKey;
public FreeLook(float sensitivity)
{
this(sensitivity, Input.KEY_ESCAPE);
}
public FreeLook(float sensitivity, int unlockMouseKey)
{
this.m_sensitivity = sensitivity;
this.m_unlockMouseKey = unlockMouseKey;
}
@Override
public void Input(float delta)
{
Vector2f centerPosition = new Vector2f(Window.GetWidth()/2, Window.GetHeight()/2);
if(Input.GetKey(m_unlockMouseKey))
{
Input.SetCursor(true);
m_mouseLocked = false;
}
if(Input.GetMouseDown(0))
{
Input.SetMousePosition(centerPosition);
Input.SetCursor(false);
m_mouseLocked = true;
}
if(m_mouseLocked)
{
Vector2f deltaPos = Input.GetMousePosition().Sub(centerPosition);
boolean rotY = deltaPos.GetX() != 0;
boolean rotX = deltaPos.GetY() != 0;
if(rotY)
GetTransform().Rotate(Y_AXIS, (float) Math.toRadians(deltaPos.GetX() * m_sensitivity));
if(rotX)
GetTransform().Rotate(GetTransform().GetRot().GetRight(), (float) Math.toRadians(-deltaPos.GetY() * m_sensitivity));
if(rotY || rotX)
Input.SetMousePosition(centerPosition);
}
}
}