skyranger.game.userInterface.Cursor.java Source code

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Here is the source code for skyranger.game.userInterface.Cursor.java

Source

/*******************************************************************************
 *     Copyright 2016 Vasiliy Altunin aka SkyRanger
 *
 * 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 skyranger.game.userInterface;

import skyranger.game.body.BodySprite;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Camera;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.MathUtils;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.BodyDef.BodyType;
import com.badlogic.gdx.physics.box2d.PolygonShape;
import com.badlogic.gdx.physics.box2d.World;

public class Cursor extends BodySprite {

    private Vector2 mousePosition;

    @SuppressWarnings("unused")
    private Body player;

    @SuppressWarnings("unused")
    private World world;

    public Cursor(World world, SpriteBatch batch, String fileName, Body player) {
        super(world, batch, fileName);

        this.getBodyDef().position.set(0f, 0f);
        this.getBodyDef().type = BodyType.DynamicBody;
        // top-down gravity simulation
        this.getBodyDef().linearDamping = 0f; // 0 no dumping
        this.getBodyDef().angularDamping = 0f;
        this.getBodyDef().awake = false;

        // ball shape

        PolygonShape cursorSphape = new PolygonShape();
        cursorSphape.setAsBox(0.5f, 0.5f);

        // fixture def
        this.getFixDef().shape = cursorSphape;
        this.getFixDef().density = 0f; // kg weight
        this.getFixDef().friction = 0f; // 1 dont slide - 0 - like ice
        this.getFixDef().restitution = 0f; // elastivness jump up 1 - jump
        // forever / 0 - not jump at all
        this.getFixDef().isSensor = true;

        createBody();
        this.getBody().createFixture(getFixDef());

        cursorSphape.dispose();

        this.player = player;

    }

    Vector2 unproject(Camera cam, Vector2 vector) {
        Vector3 tmp = new Vector3();
        tmp.set(vector.x, vector.y, 0f);
        cam.unproject(tmp);
        vector.set(tmp.x, tmp.y);
        return vector;
    }

    Vector2 getMousePosition() {
        return new Vector2(Gdx.input.getX(), Gdx.input.getY());
    }

    public void draw(Camera camera, Player player) {
        super.draw(this.getBatch(), camera);

        this.mousePosition = this.getMousePosition();

        this.mousePosition = unproject(camera, this.mousePosition);

        // Adjust to let to corner
        this.mousePosition.x += 0.5;
        this.mousePosition.y -= 0.5;

        this.getBody().setTransform(this.mousePosition, 0 * MathUtils.degreesToRadians);

    }

}