Android游戏开发之绘制游戏主菜单与进度条加载进度（十三）

//强制为横屏
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

//强制竖屏
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);

public class ImageButton {

/**按钮图片**/
private Bitmap mBitButton = null;

/**图片绘制的XY坐标**/
private int mPosX =0;
private int mPosY =0;
/**图片绘制的宽高**/
private int mWidth =0;
private int mHeight =0;

public ImageButton(Context context, int frameBitmapID, int x, int y) {
mBitButton = ReadBitMap(context,frameBitmapID);
mPosX = x;
mPosY = y;
mWidth = mBitButton.getWidth();
mHeight = mBitButton.getHeight();
}

/**
* 绘制图片按钮
* @param canvas
* @param paint
*/
public void DrawImageButton(Canvas canvas, Paint paint) {
canvas.drawBitmap(mBitButton, mPosX, mPosY, paint);
}

/**
* 判断是否点中图片按钮
* @param x
* @param y
*/
public boolean IsClick(int x, int y) {
boolean isClick = false;
if (x >= mPosX && x <= mPosX + mWidth && y >= mPosY
&& y <= mPosY + mHeight) {
isClick = true;
}
return isClick;
}

/**
* 读取图片资源
* @param context
* @param resId
* @return
*/
public Bitmap ReadBitMap(Context context, int resId) {
BitmapFactory.Options opt = new BitmapFactory.Options();
opt.inPreferredConfig = Bitmap.Config.RGB_565;
opt.inPurgeable = true;
opt.inInputShareable = true;
// 获取资源图片
InputStream is = context.getResources().openRawResource(resId);
return BitmapFactory.decodeStream(is, null, opt);
}
}

public void Loading() {
// 这里应该是去读取资源， 由于没有大量的资源 这里我暂时只用线程去等待
try {
switch (mProgress) {
case 0:
Thread.sleep(200);
break;
case 1:
Thread.sleep(200);
break;
case 2:
Thread.sleep(200);
break;
case 3:
Thread.sleep(200);
break;
case 4:
Thread.sleep(200);
break;
case 5:
Thread.sleep(200);
break;
case 6:
Thread.sleep(200);
break;
case 7:
Thread.sleep(200);
break;
case 8:
Thread.sleep(200);
break;
case 9:
Thread.sleep(200);
break;
case 10:
Thread.sleep(200);
break;
case 11:
Thread.sleep(200);
break;
}
mProgressBar = (100 / 12) * mProgress;
mProgress++;
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

/** 这里表示进度加载完成 **/
if (mProgressBar >= 100) {
setGameState(GAME_TEACH);
}

protected void Draw() {
switch (mState) {
case GAME_MENU:
/**计算鱼动画的X坐标向左超出屏幕后在还原保持一直在屏幕上游动**/
mMenuAnimPosX-= 5;
if(mMenuAnimPosX + MENU_ANIM_WIDTH <= 0) {
mMenuAnimPosX = mScreenWidth;
}
/**绘制背景**/
mCanvas.drawBitmap(mBitMenuBG, 0, 0, mPaint);
mCanvas.drawBitmap(mBitMenuTitle, (mScreenWidth - mBitMenuTitle.getWidth()) >> 1,0, mPaint);
mMenuAnim.DrawAnimation(mCanvas, mPaint, mMenuAnimPosX , 100);

/**绘制按钮**/
mButtonTeach.DrawImageButton(mCanvas, mPaint);
mButtonOption.DrawImageButton(mCanvas, mPaint);

break;
case GAME_LOAD:

mCanvas.drawBitmap(mBitMenuBG, 0, 0, mPaint);
mCanvas.drawBitmap(mBitMenuTitle, (mScreenWidth - mBitMenuTitle.getWidth()) >> 1,0, mPaint);
mButtonTeach.DrawImageButton(mCanvas, mPaint);
mButtonOption.DrawImageButton(mCanvas, mPaint);

mCanvas.drawBitmap(mLoadBack, (mScreenWidth - mLoadBack.getWidth()) >> 1, mScreenHeight >> 1, mPaint);
//这里计算进度条进度
Loading();
break;
case GAME_TEACH:
mCanvas.drawBitmap(mBitTeach, 0, 0, mPaint);
mCanvas.drawBitmap(mMomo, (mScreenWidth >> 1) - (mMomo.getWidth()>> 1), 20, mPaint);

String str1 = "欢迎光临雨松MOMO的博客 资源已经全部加载完成";
drawRimString(mCanvas,str1,Color.BLACK,(mScreenWidth >> 1) - (((int)mPaint.measureText(str1)) >> 1), mScreenHeight >> 1);
break;
case GAME_OPTION:
mCanvas.drawBitmap(mBitTeach, 0, 0, mPaint);
mCanvas.drawBitmap(mMomo, (mScreenWidth >> 1) - (mMomo.getWidth()>> 1), 20, mPaint);
String str2 = "设置界面暂未 开放 雨松MOMO：xuanyusong@gmail.com";
drawRimString(mCanvas,str2,Color.BLACK,(mScreenWidth >> 1) - (((int)mPaint.measureText(str2)) >> 1), mScreenHeight >> 1);
break;
}
}

public void UpdateTouchEvent(int x, int y) {
switch(mState) {
case GAME_MENU:
if(mButtonTeach.IsClick(x, y)) {
//教学图片按钮被按下
setGameState(GAME_LOAD);
}else if(mButtonOption.IsClick(x, y)) {
//设置图片按钮被按下
setGameState(GAME_OPTION);
}
break;
}
}