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On last post, i've write about Basic Object Movement in Blender Game Engine. Today i want to share simple tips and trick in Blender Game Engine, copy and paste logic bricks. It will help when you need to duplicate many logic in one object to another object.

add monkey

object selection

Today, i want write about BGE Tutorial. I've write Tutorial Game 3D Dasar Pergerakan Objek on my bahasa site. After that, i write it in english for help other people arround world understand with my tutorial. Before following this tutorial, you need to install Blender in your PC / Laptop. In this tutorial i am using Blender 2.67. This tutorial for beginners.

On the first step, please choose Blender Game mode, it make Blender using as Game Engine. This mode not really important for the tutorial. But you will need it for creating game with Blender Game Engine.

Blender Game

I will use default cube for this tutorial. So you can make the cube move when you press a key on keyboard. Before playing with game engine, i think you need to change the window mode to Game Logic.

Game Logic Mode

I assume you already understand the navigation in Blender. If you are not understand the navigation, please learn the navigation first. It will helpfull. Let start the tutorial

Select the cube first and look at the bottom of 3D view window. You will know 3 parts of BGE Logic, they are Sensors, Controllers and Actuators.

• Sensors are the logic bricks that cause the logic to do anything. Sensors give an output when something happens, e.g. a trigger event such as a collision between two objects, a key pressed on the keyboard, or a timer for a timed event going off. When a sensor is triggered, a positive pulse is sent to all controllers that are linked to it. 
• The Controllers are the bricks that collect data sent by the sensors, and also specify the state for which they operate. After performing the specified logic operations, they send out pusle signals to drive the actuators to which they are connected.
• Actuators perform actions, such as move, create objects, play a sound. The actuators initiate their functions when they get a positive pulse from one (or more) of their controllers.

At this time, i want to make the cube move when i press a button on keyboard. For do that, we need to add a Keyboard sensor. On sensor input i add up arrow. Your sensors will look like the image below

Sensors Keyboard

Let continue by adding the add controller, then connect the sensors to the controllers so that it looks like the image below.

Controller And

After that, add motion actuator so that the object can be moved in accordance with what we want. On motion actuator there are several parameters that Loc, Rot, which can be changed on the X-axis, Y and Z. Connect with controllers before attempting to run.

Actuators Motion

xyz axis

For the parameter values ​​do not immediately fill with 1, because the object will move directly away. Blender using Blender Unit, 1 Blender unit size of the box as shown below.

Blender Unit

Use a positive value to move the object to the right (X) to the front (Y) and to the (Z). And use a negative value to reverse. Add another keyboard according to your wishes :D. To run the game press the button P.

Oh yes, I include the file that contains the 4 buttons keyboard, and their movements. May be used to practice and understand the concept of movement.

Download File on Dropbox

Bumblebee project is an open source project for Nvidia graphic card that support optimus technology. I am using Nvidia GeForce GT540M that supported with optimus technology.  Here is step by step bumblebee instalation

Have you ever got this error message "Cannot Access PPA (ppa url) to get PPA Information, please check your internet connection"? But in the same time we can browsing some webpage and download files. Why we can't acces the ppa? After search on the forum i get the answer, it's because of what we type in terminal

For example in the screenshot below is

sudo add-apt-repository ppa:irie/Blender

cannot access PPA to get the information

We need to change all letters to lowercase, so we can add the ppa repository in our machine. The code look like this

sudo add-apt-repository ppa:irie/blender

After change all letters into loweracase, the ppa can be added

add ppa success

I hope can help everyone who are frustrated because can't  ppa to repository list :D

My brother has a tv tuner that has not been used. Now, i try to use it in Ubuntu 12.10. I try to search linux driver on hardware website but i am not found the driver. But i found an ubuntu package that can use for watching tv, the package called tvtime. To install this package just run

sudo apt-get install tvtime

tv tunner

Although there are a tvtime package, but the application does not run so well for my gadmei. I think because it was too old, about 5 years ago. There are a few things I do to fix the application to be compatible with the hardware I have. The problems that I experienced after the installation is

TVTIME not detect the video source from Gadmei. By default, tvtime detect video source such as a webcam on the laptop. We can figure out the problem by running tvtime in a terminal. Would appear an error message like this

videoinput: Driver won't tell us its norm: Invalid argument
videoinput: Can't get tuner info: Inappropriate ioctl for device
    Your capture card driver: uvcvideo [Laptop_Integrated_Webcam_2HDM/usb-0000:00:1a.0-1.4/19
    does not support full size studio-quality images required by tvtime.
    This is true for many low-quality webcams.  Please select a
    different video device for tvtime to use with the command line
    option --device.

To fix this, go sourcelist of tvtime in the folder / etc by running the command

 sudo gedit /etc/tvtime.xml 

search for code below

 <option name="V4LDevice" value="/dev/video0"/>

Change the video0 to video1 so the code will be look like this

<option name="V4LDevice" value="/dev/video1"/>

Before start watching we need to scan the tv frequency on our location :D. So we can save the frequency of  tv station in our area. To scan tv frequency, run this command to terminal

 tvtime-scanner

tvtime-scanner

After that just rung tvtime and you will can watch television in your ubuntu desktop.

watching television on ubuntu