package com.wang.avi.indicators;
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import android.animation.ValueAnimator;
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import android.graphics.Camera;
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import android.graphics.Canvas;
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import android.graphics.Matrix;
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import android.graphics.Paint;
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import android.view.animation.LinearInterpolator;
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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 2015/10/17.
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*/
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public class BallPulseRiseIndicator extends Indicator {
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private Camera mCamera;
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private Matrix mMatrix;
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private float degress;
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public BallPulseRiseIndicator(){
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mCamera=new Camera();
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mMatrix=new Matrix();
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}
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@Override
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public void draw(Canvas canvas, Paint paint) {
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mMatrix.reset();
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mCamera.save();
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mCamera.rotateX(degress);
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mCamera.getMatrix(mMatrix);
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mCamera.restore();
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mMatrix.preTranslate(-centerX(), -centerY());
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mMatrix.postTranslate(centerX(), centerY());
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canvas.concat(mMatrix);
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float radius=getWidth()/10;
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canvas.drawCircle(getWidth()/4,radius*2,radius,paint);
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canvas.drawCircle(getWidth()*3/4,radius*2,radius,paint);
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canvas.drawCircle(radius,getHeight()-2*radius,radius,paint);
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canvas.drawCircle(getWidth()/2,getHeight()-2*radius,radius,paint);
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canvas.drawCircle(getWidth()-radius,getHeight()-2*radius,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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ValueAnimator animator=ValueAnimator.ofFloat(0,360);
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addUpdateListener(animator,new ValueAnimator.AnimatorUpdateListener() {
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@Override
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public void onAnimationUpdate(ValueAnimator animation) {
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degress = (float) animation.getAnimatedValue();
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postInvalidate();
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}
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});
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animator.setInterpolator(new LinearInterpolator());
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animator.setRepeatCount(-1);
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animator.setDuration(1500);
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animators.add(animator);
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return animators;
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}
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}
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