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package ch.asynk.tankontank.screens;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Rectangle;
public class MenuCamera extends OrthographicCamera
{
private static final float ZEROF = 0.01f;
private float virtualAspect;
private final Rectangle virtual;
private final Rectangle screen;
private final OrthographicCamera uiCamera;
public MenuCamera(int cx, int cy, int width, int height)
{
super(width, height);
this.virtual = new Rectangle();
this.virtual.set(cx, cy, width, height);
this.virtualAspect = (virtual.width / virtual.height);
this.screen = new Rectangle();
this.screen.set(0, 0, 0, 0);
this.position.set(virtual.x, virtual.y, 0f);
this.uiCamera = new OrthographicCamera();
}
public void updateViewport(int screenWidth, int screenHeight)
{
float aspect = (screenWidth / (float) screenHeight);
float diff = (virtualAspect - aspect);
if (diff < -ZEROF) {
viewportWidth = (virtual.height * aspect);
viewportHeight = virtual.height;
} else if (diff > ZEROF) {
viewportWidth = virtual.width;
viewportHeight = (virtual.width / aspect);
}
screen.width= screenWidth;
screen.height= screenHeight;
Gdx.gl.glViewport((int)screen.x, (int)screen.y, (int)screen.width, (int)screen.height);
update(true);
uiCamera.setToOrtho(false, screenWidth, screenHeight);
}
public float getScreenWidth()
{
return screen.width;
}
public float getScreenHeight()
{
return screen.height;
}
public Vector3 uiUnproject(Vector3 v)
{
return uiCamera.unproject(v);
}
public Matrix4 uiCombined()
{
return uiCamera.combined;
}
}
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