Arduino Project 022 - LED Dot Matrix Display - Pong Game
This project was hard going and a lot to take in. So, for Project 22 you are going to create a simple game with simple code using the dot matrix display and a potentiometer. This time you are going to use one of the many available libraries for controlling LED dot matrix displays to see how much easier it can make your life when coding.
Project 22 – LED Dot Matrix Display – Pong game
/* Coding Ron Wang Oct.15th 2024 Autaba support for coding hardware Project 22 LED Dot Matrix – Pong Game */ #include "LedControl.h" LedControl myMatrix = LedControl(11, 12, 8, 1); // create an instance of a Matrix /* DIN connects to pin 11 CLK connects to pin 12 CS connects to pin 8 */ int column = 1, row = random(8)+1; // decide where the ball will start int directionX = 1, directionY = 1; // make sure it heads from left to right first int paddle1 = 5, paddle1Val; // Pot pin and value int speed = 300; int counter = 0, mult = 10; void setup() { myMatrix.shutdown(0, false); // enable display myMatrix.setIntensity(0, 8); // Set the brightness to medium myMatrix.clearDisplay(0); // clear the display randomSeed(analogRead(0)); } void loop() { paddle1Val = analogRead(paddle1); paddle1Val = map(paddle1Val, 200, 1024, 1,6); column += directionX; row += directionY; if (column == 6 && directionX == 1 && (paddle1Val == row || paddle1Val+1 == row || paddle1Val+2 == row)) {directionX = -1;} if (column == 0 && directionX == -1 ) {directionX = 1;} if (row == 7 && directionY == 1 ) {directionY = -1;} if (row == 0 && directionY == -1 ) {directionY = 1;} if (column == 7) { oops();} myMatrix.clearDisplay(0); // clear the screen for next animation frame myMatrix.setLed(0, column, row, HIGH); myMatrix.setLed(0, 7, paddle1Val, HIGH); myMatrix.setLed(0, 7, paddle1Val+1, HIGH); myMatrix.setLed(0, 7, paddle1Val+2, HIGH); if (!(counter % mult)) {speed -= 5; mult * mult;} delay(speed); counter++; } void oops() { for (int x=0; x<3; x++) { myMatrix.clearDisplay(0); delay(250); for (int y=0; y<8; y++) { myMatrix.setRow(0, y, 255); } delay(250); } counter=0; // reset all the values speed=300; column=1; row = random(8)+1; // choose a new starting location }
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