FireworkTest.zip

package com.leo.fireworktest.bloom; import android.animation.Animator; import android.animation.AnimatorListenerAdapter; import android.animation.ValueAnimator; import android.content.Context; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Matrix; import android.graphics.Paint; import android.util.Log; import android.view.animation.AccelerateInterpolator; import com.leo.fireworktest.R; import java.io.InputStream; import java.util.ArrayList; import java.util.Random; public class Firework { final float screenWidthMeasure = 720; private final static int BIG_DEFAULT_ELEMENT_COUNT = 100;//大烟花爆炸数量 private final static int MIDDLE_DEFAULT_ELEMENT_COUNT = 200; private int BIG_DEFAULT_DURATION = 1300; private final static float BIG_DEFAULT_LAUNCH_SPEED = 18; private final static float BIG_DEFAULT_ELEMENT_SIZE = 8; private final static int SMALL_DEFAULT_ELEMENT_COUNT = 28;//小星星爆炸数量 private int SMALL_DEFAULT_DURATION = 1300;//烟花持续时间 private final static float SMALL_DEFAULT_LAUNCH_SPEED = 18;//烟花分散速度 private final static float SMALL_DEFAULT_ELEMENT_SIZE = 8;//烟花颗粒大小 private final static float DEFAULT_WIND_SPEED = 6; private final static float DEFAULT_GRAVITY = 1; private Paint mPaint; private int count; // count of element private int duration; private int[] colors; private int color; private float launchSpeed; private float windSpeed; private float gravity; private int windDirection; // 1 or -1 private Location location; private float elementSize; // GameSoundPool sounds;//烟花爆炸声音控制 private ValueAnimator animator; private float animatorValue; private ArrayList<Element> elements = new ArrayList<Element>(); private AnimationEndListener listener; Context context; private int mode = 0; private float srceenWidth; private float screenHeight; //大烟花颗粒随机图片 private int bitmapColor[] = {R.mipmap.light_blue, R.mipmap.light_yellow, R.mipmap.light_green, R.mipmap.light_pink, R.mipmap.light_red}; public void setMode(int mode) { this.mode = mode; } public void setScreenSize(float width, float height) { srceenWidth = width; screenHeight = height; } public Firework(Location location, int windDirection, int mode, Context context, int color, float width, float height) {//GameSoundPool sounds, srceenWidth = width; screenHeight = height; this.color = color; this.location = location; // this.sounds = sounds; this.windDirection = windDirection; this.context = context; this.mode = mode; colors = baseColors; gravity = DEFAULT_GRAVITY; windSpeed = DEFAULT_WIND_SPEED; /* if (srceenWidth > 0) { BIG_DEFAULT_DURATION = (int) (srceenWidth / screenWidthMeasure * BIG_DEFAULT_DURATION); SMALL_DEFAULT_DURATION = (int) (srceenWidth / screenWidthMeasure * SMALL_DEFAULT_DURATION); }*/ if (mode == 0) {// 大烟花 count = BIG_DEFAULT_ELEMENT_COUNT; duration = BIG_DEFAULT_DURATION; launchSpeed = BIG_DEFAULT_LAUNCH_SPEED; elementSize = BIG_DEFAULT_ELEMENT_SIZE; } else if (mode == 1) {//小星星爆炸 count = SMALL_DEFAULT_ELEMENT_COUNT; duration = SMALL_DEFAULT_DURATION; launchSpeed = SMALL_DEFAULT_LAUNCH_SPEED; elementSize = SMALL_DEFAULT_ELEMENT_SIZE; } else { count = MIDDLE_DEFAULT_ELEMENT_COUNT; duration = BIG_DEFAULT_DURATION; launchSpeed = BIG_DEFAULT_LAUNCH_SPEED; elementSize = BIG_DEFAULT_ELEMENT_SIZE; } init(); } private float starSize = 15; private void init() { Random random = new Random(System.currentTimeMillis()); // color = colors[random.nextInt(colors.length)]; // 给每个火花设定一个随机的方向 0-360 elements.clear(); Log.d("zxc118", "Firework init mode = " + mode + " count = " + count); if (mode == 0) { for (int i = 0; i < count; i++) { color = bitmapColor[random.nextInt(bitmapColor.length)]; InputStream is = context.getResources().openRawResource(color); Bitmap mBitmap = BitmapFactory.decodeStream(is); elements.add(new Element(color, Math.toRadians(random .nextInt(360)), random.nextFloat() * launchSpeed, mBitmap)); } } else { float bitmapScale = 2; if (srceenWidth > 0) { bitmapScale = srceenWidth / screenWidthMeasure * bitmapScale; } for (int i = 0; i < count; i++) { InputStream is = context.getResources().openRawResource(color);//小星星图片资源id Bitmap mBitmap = BitmapFactory.decodeStream(is); /* Bitmap shapeBitmap = Utils.drawShapeBitmap(mBitmap, (int) (srceenWidth / screenWidthMeasure * starSize), "star");*/ Bitmap shapeBitmap = imageScale(mBitmap, 35, 35); elements.add(new Element(color, Math.toRadians(random .nextInt(360)), random.nextFloat() * launchSpeed, shapeBitmap)); } } mPaint = new Paint(); mPaint.setColor(Color.WHITE); timeCount = 1; animatorValue = timeCount; } public Bitmap imageScale(Bitmap bitmap, int dst_w, int dst_h) { int src_w = bitmap.getWidth(); int src_h = bitmap.getHeight(); float scale_w = ((float) dst_w) / src_w; float scale_h = ((float) dst_h) / src_h; Matrix matrix = new Matrix(); matrix.postScale(scale_w, scale_h); Bitmap dstbmp = Bitmap.createBitmap(bitmap, 0, 0, src_w, src_h, matrix, true); return dstbmp; } private float timeCount = 1; private final float dif = 0.00816f; float startTime; private boolean needRemove = false; public boolean getRemove() { return needRemove; } boolean isStart = false; /* * 开始烟花爆炸动画 */ public void fire() { animator = ValueAnimator.ofFloat(1, 0); animator.setDuration(duration); //从头开始动画 animator.setRepeatMode(ValueAnimator.RESTART); animator.setInterpolator(new AccelerateInterpolator()); animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator valueAnimator) { animatorValue = (Float) valueAnimator.getAnimatedValue(); Log.d("zxc55", "onAnimationUpdate animatorValue = " + animatorValue); // 计算每个火花的位置 isStart = true; for (Element element : elements) { element.x = (float) (element.x + Math.cos(element.direction) * element.speed * animatorValue + windSpeed * windDirection); element.y = (float) (element.y - Math.sin(element.direction) * element.speed * animatorValue + gravity * (1 - animatorValue)); } } }); animator.addListener(new AnimatorListenerAdapter() { @Override