Android Open Source - TheNewBoston My Bring Back

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Back to project page TheNewBoston.

License

The source code is released under:

Eclipse Public License - v 1.0 THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC LICENSE ("AGREEMENT"). ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES RECI...

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Java Source Code

package com.homelysoft.thenewboston.gfx;
/*ww w  .  j  av a  2 s.  co  m*/
import javax.vecmath.Point3f;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.view.View;

import com.homelysoft.thenewboston.R;

public class MyBringBack extends View {

  Bitmap ball;
  Point3f pos, vel, acce;

  Rect rect;
  Paint paint, fontPaint;

  Typeface font;

  public MyBringBack(Context context) {
    super(context);
    ball = BitmapFactory.decodeResource(getResources(), R.drawable.b_ball);
    pos = new Point3f(200, 500, 0);
    vel = new Point3f(0, 10, 0);
    acce = new Point3f(0, 1, 0);
    rect = new Rect();
    paint = new Paint();
    paint.setColor(Color.RED);
    fontPaint = new Paint();
    fontPaint.setARGB(100, 100, 0, 100);
    fontPaint.setTextAlign(Align.CENTER);
    fontPaint.setTextSize(25);
    font = Typeface.createFromAsset(context.getAssets(), "lazy.ttf");
    fontPaint.setTypeface(font);

  }

  @Override
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.drawColor(Color.GREEN);

    canvas.drawText(vel.toString(), pos.getX(), pos.getY(), fontPaint);

    canvas.drawBitmap(ball, canvas.getWidth() / 2, pos.getY(), null);

    pos.add(vel);
    vel.add(acce);
    
    if (pos.getY() + ball.getHeight()/2 >= canvas.getHeight()) {
      vel.negate();
    }

    rect.set(0, (int) (canvas.getHeight() * 0.4), canvas.getWidth(),
        (int) (canvas.getHeight() * 0.6));

    canvas.drawRect(rect, paint);

    invalidate();
  }
}

Java Source Code List