Bubble

package com.example.b1sha_000.hw1;

import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;

import java.util.Random;
/**
 * Created by Yuji on 4/15/2015.
 */
public class Bubble {

    private final BubbleShooterView  bsv;
    private final int              mR;
    private final int              mColor;
    private       int              mX;
    private       int              mY;
    private       int              mAlpha;
    private       int              mVelX;
    private       int              mVelY;

    public Bubble(BubbleShooterView bsv,int radius, int color, int yPos, int xPos, int alpha, int VelX, int VelY){

        this.bsv    = bsv;
        this.mColor = color;
        this.mR     = radius;
        this.mX     = xPos;
        this.mY     = yPos;
        this.mAlpha = alpha;
        this.mVelX  = VelX;
        this.mVelY  = VelY;


    }
    public void draw( Canvas c ) {
        Paint paint = new Paint();
        paint.setColor( mColor );
        c.drawCircle( this.getX(), this.getY(), this.getR(), paint );
    }

    public int getX() { return mX; }
    public int getY() { return mY; }
    public int getR() { return mR; }
    public int getColor() { return mColor; }
    public int getAlpha() { return mAlpha; }
    public int getVelX() { return mVelX; }
    public int getVelY() { return mVelY; }

    //    The laws of physics: Restricted frictionless motion :)
    public void stepCoordinates() {
        int maxX = bsv.getWidth();
        int maxY = bsv.getHeight();

        mX += mVelX;
        mY += mVelY;

        if ( mX > ( maxX - mR) ) {
            mVelX = -mVelX;
            mX = maxX - mR;
        } else if ( mX < mR) {
            mVelX = -mVelX;
            mX = mR;
        }
        if ( mY > ( maxY - mR) ) {
            mVelY = -mVelY;
            mY = maxY - mR;
        } else if ( mY < mR) {
            mVelY = -mVelY;
            mY = mR;
        }
    }
}