package com.wang.avi.indicators;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.RectF;
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import android.view.animation.LinearInterpolator;
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import android.animation.ValueAnimator;
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import com.wang.avi.Indicator;
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import java.util.ArrayList;
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/**
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* Created by Jack on 2015/10/16.
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*/
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public class PacmanIndicator extends Indicator {
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private float translateX;
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private int alpha;
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private float degrees1,degrees2;
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@Override
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public void draw(Canvas canvas, Paint paint) {
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drawPacman(canvas,paint);
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drawCircle(canvas,paint);
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}
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private void drawPacman(Canvas canvas,Paint paint){
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float x=getWidth()/2;
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float y=getHeight()/2;
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canvas.save();
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canvas.translate(x, y);
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canvas.rotate(degrees1);
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paint.setAlpha(255);
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RectF rectF1=new RectF(-x/1.7f,-y/1.7f,x/1.7f,y/1.7f);
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canvas.drawArc(rectF1, 0, 270, true, paint);
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canvas.restore();
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canvas.save();
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canvas.translate(x, y);
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canvas.rotate(degrees2);
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paint.setAlpha(255);
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RectF rectF2=new RectF(-x/1.7f,-y/1.7f,x/1.7f,y/1.7f);
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canvas.drawArc(rectF2,90,270,true,paint);
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canvas.restore();
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}
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private void drawCircle(Canvas canvas, Paint paint) {
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float radius=getWidth()/11;
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paint.setAlpha(alpha);
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canvas.drawCircle(translateX, getHeight() / 2, radius, paint);
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}
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@Override
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public ArrayList<ValueAnimator> onCreateAnimators() {
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ArrayList<ValueAnimator> animators=new ArrayList<>();
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float startT=getWidth()/11;
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ValueAnimator translationAnim=ValueAnimator.ofFloat(getWidth()-startT,getWidth()/2);
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translationAnim.setDuration(650);
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translationAnim.setInterpolator(new LinearInterpolator());
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translationAnim.setRepeatCount(-1);
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addUpdateListener(translationAnim,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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translateX = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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ValueAnimator alphaAnim=ValueAnimator.ofInt(255,122);
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alphaAnim.setDuration(650);
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alphaAnim.setRepeatCount(-1);
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addUpdateListener(alphaAnim,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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alpha = (int) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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ValueAnimator rotateAnim1=ValueAnimator.ofFloat(0, 45, 0);
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rotateAnim1.setDuration(650);
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rotateAnim1.setRepeatCount(-1);
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addUpdateListener(rotateAnim1,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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degrees1 = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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ValueAnimator rotateAnim2=ValueAnimator.ofFloat(0,-45,0);
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rotateAnim2.setDuration(650);
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rotateAnim2.setRepeatCount(-1);
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addUpdateListener(rotateAnim2,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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degrees2 = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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animators.add(translationAnim);
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animators.add(alphaAnim);
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animators.add(rotateAnim1);
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animators.add(rotateAnim2);
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return animators;
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}
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}
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