Rayer

        //Update camera position
        //Camera.x - viewPort.width must > 0, or just set to 0
        //Camera.y - viewPort.height must > 0, or just set to 0

        //restrict 0, 0 side
        float cameraX = actor.getX() - (camera.viewportWidth / 2) > 0 ? actor.getX() : camera.viewportWidth / 2;
        float cameraY = actor.getY() - (camera.viewportHeight / 2) > 0 ? actor.getY() : camera.viewportHeight / 2;

        //restrict h, w side
        cameraX = actor.getX() + (camera.viewportWidth / 2) > mapSizeX ? mapSizeX - (camera.viewportWidth / 2) : cameraX;

Rayer

	@Override
	public boolean mouseMoved(int screenX, int screenY) {

		screenY -= Gdx.graphics.getHeight();
		screenY = -screenY;

		double length = Math.sqrt(Math.pow(((double)(screenX - sprite.getX())), 2d) + Math.pow((double)(screenY - sprite.getY()), 2d));
		sprite.translate((float)((screenX - sprite.getX()) / length), (float)((screenY - sprite.getY()) / length));

		System.out.println("Screen : " + screenX + "/" + screenY);

Rayer

#include <stdio.h>
#include <stdlib.h>

//CoR in C
//這組code可以再多做些什麼呢？ 
//1. 可以替每個handler加上priority
//2. 可以改成可變長度list，讓它可以在runtime加
//3. 甚至可以在每次處理以前動態產生一組handler list，可以動態調整
//4. (C++ only)可以做一個模板來compile time產生handler

Rayer

#include <iostream>
#include <cstdio>

using namespace std;

int testCall(int a, int b) {
	void* p = __builtin_frame_address(0);
	printf("Function pointer frame : %p\n", p);
	printf("Param a pointer = %p\n", &a);
	printf("Param b pointer = %p\n", &b);

Rayer

package com.rayer.util.string;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;