View

package com.example.kecseti.avoid.game;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewTreeObserver;

import com.example.kecseti.avoid.tiles.BasicTile;

import java.util.Random;

public class GameView extends View {

    float r,g,b;
    float rv,gv,bv,yv;
    float szog;
    BasicTile player;
    int playerSize=120;
    Random rand;
    Paint p;
    Paint keret;
    Boolean run;

    public GameView(Context context, AttributeSet attrs) {
        super(context, attrs);
        rand=new Random();
        p=new Paint();
        keret=new Paint();
        player=new BasicTile(playerSize,playerSize);
    x=this.getWidth();
        kezd();
    }

    public void kezd() {
        //Random startoló háttérszín
        r = rand.nextInt(255);
        g = rand.nextInt(255);
        b = rand.nextInt(255);

        rv = 0.08f;
        gv = -0.08f;
        bv = -0.08f;

        yv=1f;

        szog=0;

        player.setLocation(500,600);
        run=false;

    }

    public void update(){
        if(!run){
            float ujy;
            ujy=player.getY()+yv;
            if(ujy>800 || ujy<500) yv*=-1;
            player.setLocation(player.getX(),(int)ujy);
        }
        //Háttérszín változtatása folyamatosan
        r+=rv;
        g+=gv;
        b+=bv;
        if(r>250 || r<30) rv*=-1;
        if(g>250 || g<30) gv*=-1;
        if(b>250 || b<30) bv*=-1;

        szog+=3;

        this.invalidate();
    }

    @RequiresApi(api = Build.VERSION_CODES.O)
    @Override
    protected void onDraw(Canvas canvas) {
            super.onDraw(canvas);
            canvas.drawColor(Color.rgb((int)r, (int)g, (int)b));
            p.setColor(Color.WHITE);
            p.setStyle(Paint.Style.FILL);

            keret.setStyle(Paint.Style.STROKE);
            keret.setStrokeWidth(10);
            keret.setColor(Color.BLACK);
            canvas.save();
            canvas.rotate(szog,player.getX()+player.getWidth()/2,player.getY()+player.getHeight()/2);
            canvas.drawRect(player.getX(),player.getY(),player.getX()+player.getWidth(),player.getY()+player.getHeight(),keret);
            canvas.drawRect(player.getX(),player.getY(),player.getX()+player.getWidth(),player.getY()+player.getHeight(),p);
            canvas.restore();
            keret.setTextSize(50);
    }

    public void updateDir(int x, int y){
        player.setLocation(x-player.getWidth()/2,y-player.getHeight()/2);
    }

    public int getPlayerX(){return player.getX();}
    public int getPlayerY(){return player.getY();}
    public void setRun(Boolean run){this.run=run;}

}