/* * In this lesson, you will convert the 'points' into a 'lives' counter * which decreases for each unsuccessful jump and eventually ends the game. */ #include "MakerScreenXVI.h" MakerScreenXVI lcd; byte run0[8] = { //legs in partial stride 0b00000, 0b01100, 0b01100, 0b01100, 0b01110, 0b01100, 0b01010, 0b01010 }; byte run1[8] = { //legs in full stride 0b00000, 0b01100, 0b01100, 0b01111, 0b01100, 0b01100, 0b01010, 0b10001 }; byte wall[8] = { //wall obstacle 0b11111, 0b10101, 0b11111, 0b10001, 0b11111, 0b10101, 0b11111, 0b10001 }; byte crash[8] = { //crashed JumpMan 0b00000, 0b00011, 0b01011, 0b00111, 0b00011, 0b00011, 0b00001, 0b00001 }; //The new icon for the jump part of the animation. byte jump[8] = { //mid-jump icon 0b00110, 0b10110, 0b01100, 0b01111, 0b01110, 0b01011, 0b10000, 0b00000 }; int position = 0; //holds the changing position of the cursor bool runState = 0; //which running animation to draw (0 or 1). int jumpState = 0; //0 ='pre-jump', 1 ='mid jump', 2='post jump' bool buttonState = 0; //will equal 1 after press, 0 after jump completed int wallPosition = 14; //wall can be placed from 0 to 15 /* * Delete the points variable and create a new variable. They are the same * type of variable, but clear variable names are important as the code grows */ int lives = 3;//starting number of lives int animationDuration = 300;//ms between animations of JumpMan's legs int runDuration = 600; //ms between moving JumpMan's position on the screen //Timers to update for each 'level' long animationTimer; long runTimer; void setup() { lcd.begin(); lcd.backlightOn(); lcd.createChar(0, run0); //partial stride character lcd.createChar(1, run1); //full stride character lcd.createChar(2, wall); //wall character in 'slot' 2 of custom characters lcd.createChar(3, crash); //splatted character against the wall lcd.createChar(4, jump); //mid-jump icon pinMode(6,INPUT_PULLUP); //button to trigger jump //Start both timers equal to millis() so that the difference between //millis and the variables is 0. animationTimer = millis(); runTimer = millis(); } void loop() { lcd.setCursor(0,0); lcd.write(4); //draw the jumping icon and the lives count lcd.print(lives); //Set the cursor depending on the state of the character if (jumpState == 0){ lcd.setCursor(position,1); } else if (jumpState == 1){ lcd.setCursor(position,0); } else if (jumpState == 2){ lcd.setCursor(position,1); } if (jumpState == 1){ //if jump has been activated.. lcd.write(4); //draw JumpMan mid-air } else{ lcd.write(runState); //draw the run0 or run1 animation } lcd.setCursor(wallPosition,1); lcd.write(2); //draw wall if ((digitalRead(6) == LOW)&&(jumpState == 0)){ buttonState = 1; //1 means a press is recorded } //Button is unpressed and a jump has been completed if ((digitalRead(6) == HIGH)&&(jumpState == 2)){ jumpState = 0; } // In the timer block for the animation, replace the 300 from // before with the variable animationDuration. if (millis() - animationTimer > animationDuration){ runState = 1 - runState; //draw the next JumpMan animation animationTimer = millis(); lcd.clear(); //clear the LCD to draw a new character } //Replace the 600 ms timer from before with the runDuration variable if (millis() - runTimer > runDuration){ position = position + 1; if (position == 16){ wallPosition = random(3,16); //place wall in column 3 through 15 position = 0; } //if button has been pressed and a jump hasn't been initiated... if ((buttonState == 1)&&(jumpState == 0)){ jumpState = 1; //signal a jump buttonState = 0; //reset button to 'unpressed' in the code } else if (jumpState == 1){ //true if jumpState set to one in the last loop jumpState = 2; //jump is marked as complete } if ((position == wallPosition)&&(jumpState != 1)){//if the jump is missed... drawCrash(); lives = lives - 1; //decrease lives by one with each crash if (lives == 0){ //if all of the lives have been lost... // Clear the LCD and write "Game Over" to it lcd.clear(); lcd.setCursor(4,0); //set cursor near the middle of the screen lcd.print("Game Over"); delay(2000); // Reset all state variables: lives = 3; position = 0; buttonState = 0; runState = 0; /* * Only reset the speed of the runner when the game resets after * all lives are lost. */ //reset the speeds to level one runDuration = 600; animationDuration = 300; } } else if (position == wallPosition){//if the jump is successful... runDuration = runDuration - 50; //speed each position up by 50 ms if (runDuration < 100){//keep runDuration at a minimum of 100 runDuration = 100; } animationDuration = runDuration/2; //Move legs twice per position change } lcd.clear(); runTimer = millis(); } } void drawCrash(){ lcd.clear(); lcd.setCursor(position-1,1); //move cursor one position left of the collision lcd.write(3);//draw 'splatted' JumpMan lcd.setCursor(wallPosition,1); lcd.write(2); //draw the wall delay(1000); // Reset the variables to put the JumpMan back at the starting point position = 0; buttonState = 0; jumpState = 0; } /* * Now your game has a sense of levels and lives. You can see in this * program that lives and points are very closely related. */ // (c) 2017 Let's Start Coding. License: www.letsstartcoding.com/bsdlicense