GhostsEyeLoadingRenderer.java 文件源码

private Path createLeftEyeCircle(RectF arcBounds, float offsetY) {
    Path path = new Path();

    //the center of the left eye
    float leftEyeCenterX = arcBounds.centerX() - mEyeInterval / 2.0f - mEyeCircleRadius;
    float leftEyeCenterY = arcBounds.centerY() + offsetY;
    //the bounds of left eye
    RectF leftEyeBounds = new RectF(leftEyeCenterX - mEyeCircleRadius, leftEyeCenterY - mEyeCircleRadius,
            leftEyeCenterX + mEyeCircleRadius, leftEyeCenterY + mEyeCircleRadius);
    path.addArc(leftEyeBounds, 0, DEGREE_180 + 15);
    //the above radian of of the eye
    path.quadTo(leftEyeBounds.left + mAboveRadianEyeOffsetX, leftEyeBounds.top + mEyeCircleRadius * 0.2f,
            leftEyeBounds.left + mAboveRadianEyeOffsetX / 4.0f, leftEyeBounds.top - mEyeCircleRadius * 0.15f);

    return path;
}