pseudo AR - Calculate Position

MapView.java

	private void setPositions() {
		// isFlat 을 구분하여 목적지 아이콘 위치를 이동한다.
		if (isAR) {
			for (int i = 0; i < relativeLayoutPosition.getChildCount(); i++) {
				View v = relativeLayoutPosition.getChildAt(i);
				if (v.getTag() != null) {
					JSONObject position = (JSONObject) v.getTag();
					ImageView imageViewPosition = (ImageView) v;
					double lat2=0;
					double lon2=0;
					try {
						lat2=position.getDouble("latitude");
						lon2=position.getDouble("longitude");
					} catch (JSONException e) {
						// e.printStackTrace();
					}
					double lat1;
					double lon1;
					
					if (((GlobalApplication) getApplication()).getIsDebug()) {
						// for Debug : 고정좌표로 테스트
						lat1=37.5162174; 
						lon1=127.1181762;
					} else {
						lat1=latOrigin;
						lon1=lonOrigin;
					}
					
					double absDegree = 180-Math.atan2(lat2-lat1, lon2-lon1)*180/Math.PI;
					double relDegree = (360+absDegree-currentDegree)%360;
					double distance = getDistance(lat1, lon1, lat2, lon2);
					// 보정값
					double correctionRatio = 3000;
					
					int relX;
					int relY;
					int POVDegree = 45;
					if (isFlat) {
						relX = (int) (relativeLayoutPosition.getWidth()/2 + (correctionRatio * distance * Math.cos(relDegree * Math.PI / 180)));
						relY = (int) (relativeLayoutPosition.getHeight()/2 + (correctionRatio * distance * Math.sin(relDegree * Math.PI / 180)));
					} else {
						relX = (int) (((relDegree+POVDegree) % 360) * relativeLayoutPosition.getWidth() / (POVDegree*2));
						relY = (int) (relativeLayoutPosition.getHeight() - correctionRatio * distance);
					}
					RelativeLayout.LayoutParams imageParamsPosition = new RelativeLayout.LayoutParams(
							RelativeLayout.LayoutParams.WRAP_CONTENT,
							RelativeLayout.LayoutParams.WRAP_CONTENT);
					imageParamsPosition.setMargins(relX, relY, 0, 0);
					if(relX<0 || relY<0 || relX>relativeLayoutPosition.getWidth() || relY > relativeLayoutPosition.getHeight()) {
						imageViewPosition.setVisibility(View.GONE);
					} else {
						imageViewPosition.setVisibility(View.VISIBLE);
					}
					imageViewPosition.setLayoutParams(imageParamsPosition);
				}
			}
		}
	}