arduino tft display game brands
Here is how we play this game. The first player touches one box and into it enteredX, followed by the second player to do the same or entered your signO.
Upon pressing the screen, the background will change and display the rules and tutorials. As we have said, instead of X and O, we are using the colors red and blue. Blue player starts first.
If a combination of Xs or Os, in our case red or blue squares, coincide, then a new screen displays "winner" such that the color of the screen indicates which player won.
In this Arduino Project we will make a cool Arduino Game, actually a replica of the popular Flappy Bird game for smartphones, using an Arduino and a TFT Touch Screen. You can learn how it works by watching the following video or read the written text below.
The game is quite simple but interesting and addictive. Using the touch screen we control the bird and try to avoid the moving pillars which speed increase as we progress. Also the game can store your highest score even if you unplug the power.[/column]
In the previous tutorial (Arduino TFT Tutorial) we learned in details how to use TFT Touch Screens with an Arduino and we left the game example to be explained in this tutorial. So now, just like in the previous tutorial, we will step by step explain the code behind this Arduino Game.
We will use the UTFT and URTouch libraries made by Henning Karlsen. You can download these libraries from his website, www.RinkyDinkElectronics.com. Also we will use the EEPROM library for storing the highest score in the EEPROM. The EEPROM is a memory which can store data even when the board is turned off.
After we have included the libraries we need to create the UTFT and URTouch objects as well as define the variables needed for the game. In the setup section we need to initiate the display and the touch, read the highest score from the EEPROM and initiate the game using the initiateGame() custom function.
So with the initiateGame() custom function we will draw the initial state of the game and here’s how we will do that. First we need to clear the screen, then draw the blue background, draw the bottom section, add the text and call the drawBird() custom function to draw the bird. After this we need a while loop which will prevent the game to start until we tap the screen. So while we are at this state, if we press the upper right corner we can reset the highest score to zero and if we press anywhere else on the screen we will get out of the while loop and get into the main loop of the code which will start the game.
In the main loop section we have the xP variable which is used for drawing the pillars, as well as the yP variable. At the beginning, the xP variable has the value of 319 as the size of the screen and the yP variable has the value of 100 which is the height of the first pillar. Each iteration the value of the xP variable is decreased by the value of the movingRate variable which at the beginning has the value of 3 and as we progress the game it increases.
Here’s the working principle of game: we have 50 pixels wide pillars which move from right to left and every next pillar has a different random height. In order to make them moving, logically, after each iteration we need to clear the screen and redraw the graphic with the pillars at their new position. However, we cannot do that because of the low refresh rate of the screen, which would cause flickering of the graphics. In order to activate all of its pixels the screen needs a bit more time so therefore we will have to improvise and redraw just those things that are moving.
Back in the loop section we have the yB variable which is the y position of the bird and it depends on the falling rate which after each iteration is increased and in that way we get the effect of acceleration or gravity. Also, here we check for collisions and use the if statements to confine the bird so that if it hit the top, the ground or the pillars the game will over.
Back in the loop we can see that after the pillar has passed through the screen the xP variable will be reset to 319, yP will get new random value from 20 to 100 for the height of the pillars and the score will increase by one. With the next if statement we control the bird. If we tap the screen we will set the falling rate to negative what will make the bird jump and the else if statement will not allow to happen that if we just hold the screen. The last if statement is for the difficulty of the game and it increase the moving rate of the pillars after each fine points.
Ok what’s left now is to see how the gameOver() custom function works. After a delay of one second it will clear the screen, print the score and some text, if score is higher than the highest score it will write it down into the EEPROM, it will reset all variables to their starting position values and at the end it will call the initiateGame() custom function to restart the game.
Hi guys, welcome to today’s tutorial. Today, we will look on how to use the 1.8″ ST7735 colored TFT display with Arduino. The past few tutorials have been focused on how to use the Nokia 5110 LCD display extensively but there will be a time when we will need to use a colored display or something bigger with additional features, that’s where the 1.8″ ST7735 TFT display comes in.
The ST7735 TFT display is a 1.8″ display with a resolution of 128×160 pixels and can display a wide range of colors ( full 18-bit color, 262,144 shades!). The display uses the SPI protocol for communication and has its own pixel-addressable frame buffer which means it can be used with all kinds of microcontroller and you only need 4 i/o pins. To complement the display, it also comes with an SD card slot on which colored bitmaps can be loaded and easily displayed on the screen.
The schematics for this project is fairly easy as the only thing we will be connecting to the Arduino is the display. Connect the display to the Arduino as shown in the schematics below.
Due to variation in display pin out from different manufacturers and for clarity, the pin connection between the Arduino and the TFT display is mapped out below:
We will use two example sketches to demonstrate the use of the ST7735 TFT display. The first example is the lightweight TFT Display text example sketch from the Adafruit TFT examples. It can be accessed by going to examples -> TFT -> Arduino -> TFTDisplaytext. This example displays the analog value of pin A0 on the display. It is one of the easiest examples that can be used to demonstrate the ability of this display.
The second example is the graphics test example from the more capable and heavier Adafruit ST7735 Arduino library. I will explain this particular example as it features the use of the display for diverse purposes including the display of text and “animated” graphics. With the Adafruit ST7735 library installed, this example can be accessed by going to examples -> Adafruit ST7735 library -> graphics test.
The first thing, as usual, is to include the libraries to be used after which we declare the pins on the Arduino to which our LCD pins are connected to. We also make a slight change to the code setting reset pin as pin 8 and DC pin as pin 9 to match our schematics.
Next, we create an object of the library with the pins to which the LCD is connected on the Arduino as parameters. There are two options for this, feel free to choose the most preferred.
Next, we move to the void setup function where we initialize the screen and call different test functions to display certain texts or images. These functions can be edited to display what you want based on your project needs.
The complete code for this is available under the libraries example on the Arduino IDE. Don’t forget to change the DC and the RESET pin configuration in the code to match the schematics.
Uploading the code to the Arduino board brings a flash of different shapes and text with different colors on the display. I captured one and its shown in the image below.
That’s it for this tutorial guys, what interesting thing are you going to build with this display? Let’s get the conversation started. Feel free to reach me via the comment section if you have any questions as regards this project.
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