1. 效果

2. 需求

安置向日葵完成，等待 10 秒 產(chǎn)生一個(gè)太陽

太陽 5 秒鐘如果沒有被收集，則自動消失

太陽如果被點(diǎn)擊，即收集，則執(zhí)行位移操作，回到卡片狀態(tài)欄的太陽卡槽里

3. 思路

向日葵的 10 秒產(chǎn)生太陽事件

package com.su.botanywarzombies.entity;public class Flower extends BaseModel {@Overridepublic void drawSelf(Canvas canvas, Paint paint) {super.drawSelf(canvas, paint);if (isLive) {canvas.drawBitmap(Config.flowerFlames[farmeIndex], locationX, locationY, paint);/** farmeIndex ++; if (farmeIndex == Config.peaFlames.length -1) {* farmeIndex = 0; }*/farmeIndex = (++farmeIndex) % 8;// 每隔十秒產(chǎn)生一個(gè)小太陽if (System.currentTimeMillis() - lastBrithTime > TIME) {lastBrithTime = System.currentTimeMillis();creatSun(locationX, locationY);}}}// 產(chǎn)生陽光private void creatSun(int locationX, int locationY) {GameView.getInstance().creatSun(locationX, locationY);}

游戲圖層畫出小太陽

package com.su.botanywarzombies.view;public class GameView extends SurfaceView implements SurfaceHolder.Callback, Runnable {// 第三層圖層的集合，冉冉升起的小太陽private ArrayList<BaseModel> gameLayout3;// 生產(chǎn)陽光public void creatSun(int locationX, int locationY) {// 陽光在第三圖層synchronized (mSurfaceHolder) {gameLayout3.add(new Sun(locationX, locationY));}}private void onDrawing(Canvas mCanvas) {...// 第三圖層，陽光for (BaseModel model : gameLayout3) {model.drawSelf(mCanvas, mPaint);}...}

超時(shí)自動回收小太陽

package com.su.botanywarzombies.entity;public class Sun extends BaseModel implements TouchAble {/*** SHOW 生命周期TIME有效* * MOVE 生命周期無效* */public enum SunState {SHOW, MOVE}@Overridepublic void drawSelf(Canvas canvas, Paint paint) {if (isLive) {} else if (mSunState == SunState.SHOW) {// 讓陽光 TIME 后消失if (System.currentTimeMillis() - brithTime > TIME) {isLive = false;}}canvas.drawBitmap(Config.sun, locationX, locationY, paint);}

對于游戲圖層

package com.su.botanywarzombies.view;public class GameView extends SurfaceView implements SurfaceHolder.Callback, Runnable {private void updateData() {deadList.clear();// 移除到死亡的陽光for (BaseModel model : gameLayout3) {if (!model.isLive) {// 放置死亡的對象deadList.add(model);}}// 松開鼠標(biāo)，無效對象消失for (BaseModel model : deadList) {if (!model.isLive) {// 放置死亡的對象gameLayout1.remove(model);gameLayout2.remove(model);gameLayout3.remove(model);}}

點(diǎn)擊收取小太陽，并為位移運(yùn)動做準(zhǔn)備

package com.su.botanywarzombies.entity;public class Sun extends BaseModel implements TouchAble {@Overridepublic boolean onTouch(MotionEvent event) {int x = (int) event.getX();int y = (int) event.getY();switch (event.getAction()) {case MotionEvent.ACTION_DOWN:if (touchArea.contains(x, y)) {mSunState = SunState.MOVE;// 小太陽（locationX，locationY）到卡片狀態(tài)欄的太陽（Config.sunDeadLocationX，Config.sunDeadLocationY// ）xDirection = locationX - Config.sunDeadLocationX;yDirection = locationY - Config.sunDeadLocationY;// 速度定義xSpeed = xDirection / 10f;ySpeed = yDirection / 10f;return true;}break;default:break;}return false;}

小太陽移動到卡片槽動畫

package com.su.botanywarzombies.entity;public class Sun extends BaseModel implements TouchAble {@Overridepublic void drawSelf(Canvas canvas, Paint paint) {if (isLive) {// move狀態(tài)的陽光位移動畫if (mSunState == SunState.MOVE) {locationX = (int) (locationX - xSpeed);locationY = (int) (locationY - ySpeed);// 當(dāng)小太陽升到太陽卡片位置的時(shí)候，小太陽表示已經(jīng)收集完畢，可以消失了if (locationX < 0 || locationY < 0) {locationX = Config.sunDeadLocationX;locationY = Config.sunDeadLocationY;isLive = false;}.... canvas.drawBitmap(Config.sun, locationX, locationY, paint);

4. Demo 下載

https://github.com/sufadi/BotanyWarZombies

總結(jié)

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