The SpriteMethodTest application shows the benefits of opengl, the main benefit is:
If you have a lot of sprites / a lot of things happening at the same time it is better to use opengl. I am porting my game to opengl now. It was too slow on only the Canvas (30+ things moving at the same time) On 22 jul, 12:45, MrChaz <[email protected]> wrote: > The SurfaceView is fine for games, at least simple ones. > Have a look at the LunarLander sample. > > http://developer.android.com/guide/samples/LunarLander/index.html > > On Jul 21, 9:33 pm, klirr <[email protected]> wrote: > > > > > I use SurfaceView for my game, tried normal View first but that was to > > slow. > > Problem is, it still is. The redrawing just isn't anywhere fast enough > > for a game. So unless it is a lot faster on the real phone this won't > > cut it at all. > > Is it necessary to use OpenGL for games? > > > package com.android.shmup; > > > import android.app.Activity; > > import android.content.Context; > > import android.graphics.*; > > import android.os.Bundle; > > import android.view.View; > > import android.view.KeyEvent; > > > public class Shmup extends Activity { > > > @Override > > protected void onCreate(Bundle savedInstanceState) { > > super.onCreate(savedInstanceState); > > setContentView(new GameView(this)); > > } > > > private static class GameView extends View { > > private Paint mPaint = new Paint(); > > private int x; > > private int y; > > > public GameView(Context context) { > > super(context); > > x = 135; > > y = 303; > > setFocusable(true); > > requestFocus(); > > } > > > @Override > > protected void onDraw(Canvascanvas) { > > Paint paint = mPaint; > > canvas.translate(10, 10); > > canvas.drawColor(Color.rgb(184,134,11)); > > paint.setColor(Color.rgb(107,142,35)); > > paint.setStrokeWidth(1); > > canvas.drawRect(x, y, x+30, y+7, paint); > > canvas.drawRect(x+10, y+7, x+20, y+27, paint); > > canvas.drawRect(x+5, y+27, x+25, y+32, paint); > > } > > > @Override > > public boolean onKeyDown(int keyCode, KeyEvent event) { > > if (keyCode == KeyEvent.KEYCODE_DPAD_UP) { > > y -= 3; > > invalidate(); > > } else if (keyCode == KeyEvent.KEYCODE_DPAD_LEFT) { > > x -= 3; > > invalidate(); > > } else if (keyCode == KeyEvent.KEYCODE_DPAD_DOWN) { > > y += 3; > > invalidate(); > > } else if (keyCode == KeyEvent.KEYCODE_DPAD_RIGHT) { > > x += 3; > > invalidate(); > > } > > return true; > > } > > > } > > > } --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---
