Joystick gaming

LCD Joystick gaming

Jun 23, 2020

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1 respects

embedded

entertainment system

games

Components and supplies

Analog joystick (Generic)

Breadboard (generic)

Alphanumeric LCD, 16 x 2

Resistor 330 ohm

Jumper wires (generic)

Arduino UNO

Single Turn Potentiometer- 10k ohms

Tools and machines

Plier, Long Nose

Apps and platforms

Arduino IDE

Project description

Code

arduino

1//www.YouTube.com/Electronics is Fun//
2//Mohd Sohail//
3
4#include  <LiquidCrystal.h>
5
6#define JoyX 2
7#define PIN_AUTOPLAY 1
8#define PIN_READWRITE  10
9#define PIN_CONTRAST 12
10
11#define SPRITE_RUN1 1
12#define SPRITE_RUN2  2
13#define SPRITE_JUMP 3
14#define SPRITE_JUMP_UPPER '.'         // Use the '.'  character for the head
15#define SPRITE_JUMP_LOWER 4
16#define SPRITE_TERRAIN_EMPTY  ' '      // User the ' ' character
17#define SPRITE_TERRAIN_SOLID 5
18#define  SPRITE_TERRAIN_SOLID_RIGHT 6
19#define SPRITE_TERRAIN_SOLID_LEFT 7
20
21#define  BOY_HORIZONTAL_POSITION 1    // Horizontal position of hero on screen
22
23#define  TERRAIN_WIDTH 16
24#define TERRAIN_EMPTY 0
25#define TERRAIN_LOWER_BLOCK 1
26#define  TERRAIN_UPPER_BLOCK 2
27
28#define BOY_POSITION_OFF 0          // boy is invisible
29#define  BOY_POSITION_RUN_LOWER_1 1  // boy is running on lower row (pose 1)
30#define BOY_POSITION_RUN_LOWER_2  2  //                              (pose 2)
31
32#define BOY_POSITION_JUMP_1 3       // Starting a jump
33#define BOY_POSITION_JUMP_2 4       // Half-way up
34#define  BOY_POSITION_JUMP_3 5       // Jump is on upper row
35#define BOY_POSITION_JUMP_4  6       // Jump is on upper row
36#define BOY_POSITION_JUMP_5 7       // Jump is  on upper row
37#define BOY_POSITION_JUMP_6 8       // Jump is on upper row
38#define  BOY_POSITION_JUMP_7 9       // Half-way down
39#define BOY_POSITION_JUMP_8 10      //  About to land
40
41#define BOY_POSITION_RUN_UPPER_1 11 // boy is running on upper  row (pose 1)
42#define BOY_POSITION_RUN_UPPER_2 12 //                              (pose  2)
43
44LiquidCrystal lcd(11, 9, 6, 5, 4, 3);
45static char terrainUpper[TERRAIN_WIDTH  + 1];
46static char terrainLower[TERRAIN_WIDTH + 1];
47static bool buttonPushed  = false;
48
49void initializeGraphics(){
50  static byte graphics[] = {
51    //  Run position 1
52    B01100,
53    B01100,
54    B00000,
55    B01110,
56    B11100,
57    B01100,
58    B11010,
59    B10011,
60    // Run position 2
61    B01100,
62    B01100,
63    B00000,
64    B01100,
65    B01100,
66    B01100,
67    B01100,
68    B01110,
69    // Jump
70    B01100,
71    B01100,
72    B00000,
73    B11110,
74    B01101,
75    B11111,
76    B10000,
77    B00000,
78    // Jump lower
79    B11110,
80    B01101,
81    B11111,
82    B10000,
83    B00000,
84    B00000,
85    B00000,
86    B00000,
87    // Ground
88    B11111,
89    B11111,
90    B11111,
91    B11111,
92    B11111,
93    B11111,
94    B11111,
95    B11111,
96    //  Ground right
97    B00011,
98    B00011,
99    B00011,
100    B00011,
101    B00011,
102    B00011,
103    B00011,
104    B00011,
105    // Ground left
106    B11000,
107    B11000,
108    B11000,
109    B11000,
110    B11000,
111    B11000,
112    B11000,
113    B11000,
114  };
115  int i;
116  // Skip using character 0, this allows lcd.print()  to be used to
117  // quickly draw multiple characters
118  for (i = 0; i < 7; ++i)  {
119    lcd.createChar(i + 1, &graphics[i * 8]);
120  }
121  for (i = 0; i < TERRAIN_WIDTH;  ++i) {
122    terrainUpper[i] = SPRITE_TERRAIN_EMPTY;
123    terrainLower[i] = SPRITE_TERRAIN_EMPTY;
124  }
125}
126
127// Slide the terrain to the left in half-character increments
128//
129void  advanceTerrain(char* terrain, byte newTerrain){
130  for (int i = 0; i < TERRAIN_WIDTH;  ++i) {
131    char current = terrain[i];
132    char next = (i == TERRAIN_WIDTH-1)  ? newTerrain : terrain[i+1];
133    switch (current){
134      case SPRITE_TERRAIN_EMPTY:
135        terrain[i] = (next == SPRITE_TERRAIN_SOLID) ? SPRITE_TERRAIN_SOLID_RIGHT  : SPRITE_TERRAIN_EMPTY;
136        break;
137      case SPRITE_TERRAIN_SOLID:
138        terrain[i] = (next == SPRITE_TERRAIN_EMPTY) ? SPRITE_TERRAIN_SOLID_LEFT  : SPRITE_TERRAIN_SOLID;
139        break;
140      case SPRITE_TERRAIN_SOLID_RIGHT:
141        terrain[i] = SPRITE_TERRAIN_SOLID;
142        break;
143      case SPRITE_TERRAIN_SOLID_LEFT:
144        terrain[i] = SPRITE_TERRAIN_EMPTY;
145        break;
146    }
147  }
148}
149
150bool  drawBoy(byte position, char* terrainUpper, char* terrainLower, unsigned int score)  {
151  bool collide = false;
152  char upperSave = terrainUpper[BOY_HORIZONTAL_POSITION];
153  char lowerSave = terrainLower[BOY_HORIZONTAL_POSITION];
154  byte upper, lower;
155  switch (position) {
156    case BOY_POSITION_OFF:
157      upper = lower = SPRITE_TERRAIN_EMPTY;
158      break;
159    case BOY_POSITION_RUN_LOWER_1:
160      upper = SPRITE_TERRAIN_EMPTY;
161      lower = SPRITE_RUN1;
162      break;
163    case BOY_POSITION_RUN_LOWER_2:
164      upper = SPRITE_TERRAIN_EMPTY;
165      lower = SPRITE_RUN2;
166      break;
167    case BOY_POSITION_JUMP_1:
168    case BOY_POSITION_JUMP_8:
169      upper =  SPRITE_TERRAIN_EMPTY;
170      lower = SPRITE_JUMP;
171      break;
172    case  BOY_POSITION_JUMP_2:
173    case BOY_POSITION_JUMP_7:
174      upper = SPRITE_JUMP_UPPER;
175      lower = SPRITE_JUMP_LOWER;
176      break;
177    case BOY_POSITION_JUMP_3:
178    case BOY_POSITION_JUMP_4:
179    case BOY_POSITION_JUMP_5:
180    case BOY_POSITION_JUMP_6:
181      upper = SPRITE_JUMP;
182      lower = SPRITE_TERRAIN_EMPTY;
183      break;
184    case BOY_POSITION_RUN_UPPER_1:
185      upper = SPRITE_RUN1;
186      lower  = SPRITE_TERRAIN_EMPTY;
187      break;
188    case BOY_POSITION_RUN_UPPER_2:
189      upper = SPRITE_RUN2;
190      lower = SPRITE_TERRAIN_EMPTY;
191      break;
192  }
193  if (upper != ' ') {
194    terrainUpper[BOY_HORIZONTAL_POSITION] = upper;
195    collide = (upperSave == SPRITE_TERRAIN_EMPTY) ? false : true;
196  }
197  if  (lower != ' ') {
198    terrainLower[BOY_HORIZONTAL_POSITION] = lower;
199    collide  |= (lowerSave == SPRITE_TERRAIN_EMPTY) ? false : true;
200  }
201  
202  byte digits  = (score > 9999) ? 5 : (score > 999) ? 4 : (score > 99) ? 3 : (score > 9) ? 2 :  1;
203  
204  // Draw the scene
205  terrainUpper[TERRAIN_WIDTH] = '\\0';
206  terrainLower[TERRAIN_WIDTH]  = '\\0';
207  char temp = terrainUpper[16-digits];
208  terrainUpper[16-digits]  = '\\0';
209  lcd.setCursor(0,0);
210  lcd.print(terrainUpper);
211  terrainUpper[16-digits]  = temp;  
212  lcd.setCursor(0,1);
213  lcd.print(terrainLower);
214  
215  lcd.setCursor(16  - digits,0);
216  lcd.print(score);
217
218  terrainUpper[BOY_HORIZONTAL_POSITION]  = upperSave;
219  terrainLower[BOY_HORIZONTAL_POSITION] = lowerSave;
220  return  collide;
221}
222
223// Handle the button push as an interrupt
224void buttonPush()  {
225  buttonPushed = true;
226}
227
228void setup(){
229  pinMode(PIN_READWRITE,  OUTPUT);
230  digitalWrite(PIN_READWRITE, LOW);
231  pinMode(PIN_CONTRAST, OUTPUT);
232  digitalWrite(PIN_CONTRAST, LOW);
233  pinMode(JoyX, INPUT);
234  digitalWrite(JoyX,  HIGH);
235  pinMode(PIN_AUTOPLAY, OUTPUT);
236  digitalWrite(PIN_AUTOPLAY, HIGH);
237  
238  // Digital pin 2 maps to interrupt 0
239  attachInterrupt(0/*PIN_BUTTON*/,  buttonPush, FALLING);
240  
241  initializeGraphics();
242  
243  lcd.begin(16,  2);
244}
245
246void loop(){
247  static byte boyPos = BOY_POSITION_RUN_LOWER_1;
248  static byte newTerrainType = TERRAIN_EMPTY;
249  static byte newTerrainDuration  = 1;
250  static bool playing = false;
251  static bool blink = false;
252  static  unsigned int distance = 0;
253  
254  if (!playing) {
255    drawBoy((blink) ? BOY_POSITION_OFF  : boyPos, terrainUpper, terrainLower, distance >> 3);
256    if (blink) {
257      lcd.setCursor(0,0);
258      lcd.print("Press Start");
259    }
260    delay(250);
261    blink = !blink;
262    if (buttonPushed) {
263      initializeGraphics();
264      boyPos = BOY_POSITION_RUN_LOWER_1;
265      playing = true;
266      buttonPushed = false;
267      distance = 0;
268    }
269    return;
270  }
271
272  // Shift the terrain to the left
273  advanceTerrain(terrainLower,  newTerrainType == TERRAIN_LOWER_BLOCK ? SPRITE_TERRAIN_SOLID : SPRITE_TERRAIN_EMPTY);
274  advanceTerrain(terrainUpper, newTerrainType == TERRAIN_UPPER_BLOCK ? SPRITE_TERRAIN_SOLID  : SPRITE_TERRAIN_EMPTY);
275  
276  // Make new terrain to enter on the right
277  if (--newTerrainDuration == 0) {
278    if (newTerrainType == TERRAIN_EMPTY) {
279      newTerrainType = (random(3) == 0) ? TERRAIN_UPPER_BLOCK : TERRAIN_LOWER_BLOCK;
280      newTerrainDuration = 2 + random(10);
281    } else {
282      newTerrainType  = TERRAIN_EMPTY;
283      newTerrainDuration = 10 + random(10);
284    }
285  }
286    
287  if (buttonPushed) {
288    if (boyPos <= BOY_POSITION_RUN_LOWER_2) boyPos  = BOY_POSITION_JUMP_1;
289    buttonPushed = false;
290  }  
291
292  if (drawBoy(boyPos,  terrainUpper, terrainLower, distance >> 3)) {
293    playing = false; // The boy  collided with something. Too bad.
294  } else {
295    if (boyPos == BOY_POSITION_RUN_LOWER_2  || boyPos == BOY_POSITION_JUMP_8) {
296      boyPos = BOY_POSITION_RUN_LOWER_1;
297    } else if ((boyPos >= BOY_POSITION_JUMP_3 && boyPos <= BOY_POSITION_JUMP_5)  && terrainLower[BOY_HORIZONTAL_POSITION] != SPRITE_TERRAIN_EMPTY) {
298      boyPos  = BOY_POSITION_RUN_UPPER_1;
299    } else if (boyPos >= BOY_POSITION_RUN_UPPER_1  && terrainLower[BOY_HORIZONTAL_POSITION] == SPRITE_TERRAIN_EMPTY) {
300      boyPos  = BOY_POSITION_JUMP_5;
301    } else if (boyPos == BOY_POSITION_RUN_UPPER_2) {
302      boyPos = BOY_POSITION_RUN_UPPER_1;
303    } else {
304      ++boyPos;
305    }
306    ++distance;
307    
308    digitalWrite(PIN_AUTOPLAY, terrainLower[BOY_HORIZONTAL_POSITION  + 2] == SPRITE_TERRAIN_EMPTY ? HIGH : LOW);
309  }
310  delay(100);
311}
312

//www.YouTube.com/Electronics is Fun//
//Mohd Sohail//

#include  <LiquidCrystal.h>

#define JoyX 2
#define PIN_AUTOPLAY 1
#define PIN_READWRITE  10
#define PIN_CONTRAST 12

#define SPRITE_RUN1 1
#define SPRITE_RUN2  2
#define SPRITE_JUMP 3
#define SPRITE_JUMP_UPPER '.'         // Use the '.'  character for the head
#define SPRITE_JUMP_LOWER 4
#define SPRITE_TERRAIN_EMPTY  ' '      // User the ' ' character
#define SPRITE_TERRAIN_SOLID 5
#define  SPRITE_TERRAIN_SOLID_RIGHT 6
#define SPRITE_TERRAIN_SOLID_LEFT 7

#define  BOY_HORIZONTAL_POSITION 1    // Horizontal position of hero on screen

#define  TERRAIN_WIDTH 16
#define TERRAIN_EMPTY 0
#define TERRAIN_LOWER_BLOCK 1
#define  TERRAIN_UPPER_BLOCK 2

#define BOY_POSITION_OFF 0          // boy is invisible
#define  BOY_POSITION_RUN_LOWER_1 1  // boy is running on lower row (pose 1)
#define BOY_POSITION_RUN_LOWER_2  2  //                              (pose 2)

#define BOY_POSITION_JUMP_1 3       // Starting a jump
#define BOY_POSITION_JUMP_2 4       // Half-way up
#define  BOY_POSITION_JUMP_3 5       // Jump is on upper row
#define BOY_POSITION_JUMP_4  6       // Jump is on upper row
#define BOY_POSITION_JUMP_5 7       // Jump is  on upper row
#define BOY_POSITION_JUMP_6 8       // Jump is on upper row
#define  BOY_POSITION_JUMP_7 9       // Half-way down
#define BOY_POSITION_JUMP_8 10      //  About to land

#define BOY_POSITION_RUN_UPPER_1 11 // boy is running on upper  row (pose 1)
#define BOY_POSITION_RUN_UPPER_2 12 //                              (pose  2)

LiquidCrystal lcd(11, 9, 6, 5, 4, 3);
static char terrainUpper[TERRAIN_WIDTH  + 1];
static char terrainLower[TERRAIN_WIDTH + 1];
static bool buttonPushed  = false;

void initializeGraphics(){
  static byte graphics[] = {
    //  Run position 1
    B01100,
    B01100,
    B00000,
    B01110,
    B11100,
    B01100,
    B11010,
    B10011,
    // Run position 2
    B01100,
    B01100,
    B00000,
    B01100,
    B01100,
    B01100,
    B01100,
    B01110,
    // Jump
    B01100,
    B01100,
    B00000,
    B11110,
    B01101,
    B11111,
    B10000,
    B00000,
    // Jump lower
    B11110,
    B01101,
    B11111,
    B10000,
    B00000,
    B00000,
    B00000,
    B00000,
    // Ground
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    //  Ground right
    B00011,
    B00011,
    B00011,
    B00011,
    B00011,
    B00011,
    B00011,
    B00011,
    // Ground left
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
  };
  int i;
  // Skip using character 0, this allows lcd.print()  to be used to
  // quickly draw multiple characters
  for (i = 0; i < 7; ++i)  {
    lcd.createChar(i + 1, &graphics[i * 8]);
  }
  for (i = 0; i < TERRAIN_WIDTH;  ++i) {
    terrainUpper[i] = SPRITE_TERRAIN_EMPTY;
    terrainLower[i] = SPRITE_TERRAIN_EMPTY;
  }
}

// Slide the terrain to the left in half-character increments
//
void  advanceTerrain(char* terrain, byte newTerrain){
  for (int i = 0; i < TERRAIN_WIDTH;  ++i) {
    char current = terrain[i];
    char next = (i == TERRAIN_WIDTH-1)  ? newTerrain : terrain[i+1];
    switch (current){
      case SPRITE_TERRAIN_EMPTY:
        terrain[i] = (next == SPRITE_TERRAIN_SOLID) ? SPRITE_TERRAIN_SOLID_RIGHT  : SPRITE_TERRAIN_EMPTY;
        break;
      case SPRITE_TERRAIN_SOLID:
        terrain[i] = (next == SPRITE_TERRAIN_EMPTY) ? SPRITE_TERRAIN_SOLID_LEFT  : SPRITE_TERRAIN_SOLID;
        break;
      case SPRITE_TERRAIN_SOLID_RIGHT:
        terrain[i] = SPRITE_TERRAIN_SOLID;
        break;
      case SPRITE_TERRAIN_SOLID_LEFT:
        terrain[i] = SPRITE_TERRAIN_EMPTY;
        break;
    }
  }
}

bool  drawBoy(byte position, char* terrainUpper, char* terrainLower, unsigned int score)  {
  bool collide = false;
  char upperSave = terrainUpper[BOY_HORIZONTAL_POSITION];
  char lowerSave = terrainLower[BOY_HORIZONTAL_POSITION];
  byte upper, lower;
  switch (position) {
    case BOY_POSITION_OFF:
      upper = lower = SPRITE_TERRAIN_EMPTY;
      break;
    case BOY_POSITION_RUN_LOWER_1:
      upper = SPRITE_TERRAIN_EMPTY;
      lower = SPRITE_RUN1;
      break;
    case BOY_POSITION_RUN_LOWER_2:
      upper = SPRITE_TERRAIN_EMPTY;
      lower = SPRITE_RUN2;
      break;
    case BOY_POSITION_JUMP_1:
    case BOY_POSITION_JUMP_8:
      upper =  SPRITE_TERRAIN_EMPTY;
      lower = SPRITE_JUMP;
      break;
    case  BOY_POSITION_JUMP_2:
    case BOY_POSITION_JUMP_7:
      upper = SPRITE_JUMP_UPPER;
      lower = SPRITE_JUMP_LOWER;
      break;
    case BOY_POSITION_JUMP_3:
    case BOY_POSITION_JUMP_4:
    case BOY_POSITION_JUMP_5:
    case BOY_POSITION_JUMP_6:
      upper = SPRITE_JUMP;
      lower = SPRITE_TERRAIN_EMPTY;
      break;
    case BOY_POSITION_RUN_UPPER_1:
      upper = SPRITE_RUN1;
      lower  = SPRITE_TERRAIN_EMPTY;
      break;
    case BOY_POSITION_RUN_UPPER_2:
      upper = SPRITE_RUN2;
      lower = SPRITE_TERRAIN_EMPTY;
      break;
  }
  if (upper != ' ') {
    terrainUpper[BOY_HORIZONTAL_POSITION] = upper;
    collide = (upperSave == SPRITE_TERRAIN_EMPTY) ? false : true;
  }
  if  (lower != ' ') {
    terrainLower[BOY_HORIZONTAL_POSITION] = lower;
    collide  |= (lowerSave == SPRITE_TERRAIN_EMPTY) ? false : true;
  }
  
  byte digits  = (score > 9999) ? 5 : (score > 999) ? 4 : (score > 99) ? 3 : (score > 9) ? 2 :  1;
  
  // Draw the scene
  terrainUpper[TERRAIN_WIDTH] = '\\0';
  terrainLower[TERRAIN_WIDTH]  = '\\0';
  char temp = terrainUpper[16-digits];
  terrainUpper[16-digits]  = '\\0';
  lcd.setCursor(0,0);
  lcd.print(terrainUpper);
  terrainUpper[16-digits]  = temp;  
  lcd.setCursor(0,1);
  lcd.print(terrainLower);
  
  lcd.setCursor(16  - digits,0);
  lcd.print(score);

  terrainUpper[BOY_HORIZONTAL_POSITION]  = upperSave;
  terrainLower[BOY_HORIZONTAL_POSITION] = lowerSave;
  return  collide;
}

// Handle the button push as an interrupt
void buttonPush()  {
  buttonPushed = true;
}

void setup(){
  pinMode(PIN_READWRITE,  OUTPUT);
  digitalWrite(PIN_READWRITE, LOW);
  pinMode(PIN_CONTRAST, OUTPUT);
  digitalWrite(PIN_CONTRAST, LOW);
  pinMode(JoyX, INPUT);
  digitalWrite(JoyX,  HIGH);
  pinMode(PIN_AUTOPLAY, OUTPUT);
  digitalWrite(PIN_AUTOPLAY, HIGH);
  
  // Digital pin 2 maps to interrupt 0
  attachInterrupt(0/*PIN_BUTTON*/,  buttonPush, FALLING);
  
  initializeGraphics();
  
  lcd.begin(16,  2);
}

void loop(){
  static byte boyPos = BOY_POSITION_RUN_LOWER_1;
  static byte newTerrainType = TERRAIN_EMPTY;
  static byte newTerrainDuration  = 1;
  static bool playing = false;
  static bool blink = false;
  static  unsigned int distance = 0;
  
  if (!playing) {
    drawBoy((blink) ? BOY_POSITION_OFF  : boyPos, terrainUpper, terrainLower, distance >> 3);
    if (blink) {
      lcd.setCursor(0,0);
      lcd.print("Press Start");
    }
    delay(250);
    blink = !blink;
    if (buttonPushed) {
      initializeGraphics();
      boyPos = BOY_POSITION_RUN_LOWER_1;
      playing = true;
      buttonPushed = false;
      distance = 0;
    }
    return;
  }

  // Shift the terrain to the left
  advanceTerrain(terrainLower,  newTerrainType == TERRAIN_LOWER_BLOCK ? SPRITE_TERRAIN_SOLID : SPRITE_TERRAIN_EMPTY);
  advanceTerrain(terrainUpper, newTerrainType == TERRAIN_UPPER_BLOCK ? SPRITE_TERRAIN_SOLID  : SPRITE_TERRAIN_EMPTY);
  
  // Make new terrain to enter on the right
  if (--newTerrainDuration == 0) {
    if (newTerrainType == TERRAIN_EMPTY) {
      newTerrainType = (random(3) == 0) ? TERRAIN_UPPER_BLOCK : TERRAIN_LOWER_BLOCK;
      newTerrainDuration = 2 + random(10);
    } else {
      newTerrainType  = TERRAIN_EMPTY;
      newTerrainDuration = 10 + random(10);
    }
  }
    
  if (buttonPushed) {
    if (boyPos <= BOY_POSITION_RUN_LOWER_2) boyPos  = BOY_POSITION_JUMP_1;
    buttonPushed = false;
  }  

  if (drawBoy(boyPos,  terrainUpper, terrainLower, distance >> 3)) {
    playing = false; // The boy  collided with something. Too bad.
  } else {
    if (boyPos == BOY_POSITION_RUN_LOWER_2  || boyPos == BOY_POSITION_JUMP_8) {
      boyPos = BOY_POSITION_RUN_LOWER_1;
    } else if ((boyPos >= BOY_POSITION_JUMP_3 && boyPos <= BOY_POSITION_JUMP_5)  && terrainLower[BOY_HORIZONTAL_POSITION] != SPRITE_TERRAIN_EMPTY) {
      boyPos  = BOY_POSITION_RUN_UPPER_1;
    } else if (boyPos >= BOY_POSITION_RUN_UPPER_1  && terrainLower[BOY_HORIZONTAL_POSITION] == SPRITE_TERRAIN_EMPTY) {
      boyPos  = BOY_POSITION_JUMP_5;
    } else if (boyPos == BOY_POSITION_RUN_UPPER_2) {
      boyPos = BOY_POSITION_RUN_UPPER_1;
    } else {
      ++boyPos;
    }
    ++distance;
    
    digitalWrite(PIN_AUTOPLAY, terrainLower[BOY_HORIZONTAL_POSITION  + 2] == SPRITE_TERRAIN_EMPTY ? HIGH : LOW);
  }
  delay(100);
}

Code

arduino

1//www.YouTube.com/Electronics is Fun//
2//Mohd Sohail//
3
4#include
5  <LiquidCrystal.h>
6
7#define JoyX 2
8#define PIN_AUTOPLAY 1
9#define PIN_READWRITE
10  10
11#define PIN_CONTRAST 12
12
13#define SPRITE_RUN1 1
14#define SPRITE_RUN2
15  2
16#define SPRITE_JUMP 3
17#define SPRITE_JUMP_UPPER '.'         // Use the '.'
18  character for the head
19#define SPRITE_JUMP_LOWER 4
20#define SPRITE_TERRAIN_EMPTY
21  ' '      // User the ' ' character
22#define SPRITE_TERRAIN_SOLID 5
23#define
24  SPRITE_TERRAIN_SOLID_RIGHT 6
25#define SPRITE_TERRAIN_SOLID_LEFT 7
26
27#define
28  BOY_HORIZONTAL_POSITION 1    // Horizontal position of hero on screen
29
30#define
31  TERRAIN_WIDTH 16
32#define TERRAIN_EMPTY 0
33#define TERRAIN_LOWER_BLOCK 1
34#define
35  TERRAIN_UPPER_BLOCK 2
36
37#define BOY_POSITION_OFF 0          // boy is invisible
38#define
39  BOY_POSITION_RUN_LOWER_1 1  // boy is running on lower row (pose 1)
40#define BOY_POSITION_RUN_LOWER_2
41  2  //                              (pose 2)
42
43#define BOY_POSITION_JUMP_1 3
44       // Starting a jump
45#define BOY_POSITION_JUMP_2 4       // Half-way up
46#define
47  BOY_POSITION_JUMP_3 5       // Jump is on upper row
48#define BOY_POSITION_JUMP_4
49  6       // Jump is on upper row
50#define BOY_POSITION_JUMP_5 7       // Jump is
51  on upper row
52#define BOY_POSITION_JUMP_6 8       // Jump is on upper row
53#define
54  BOY_POSITION_JUMP_7 9       // Half-way down
55#define BOY_POSITION_JUMP_8 10      //
56  About to land
57
58#define BOY_POSITION_RUN_UPPER_1 11 // boy is running on upper
59  row (pose 1)
60#define BOY_POSITION_RUN_UPPER_2 12 //                              (pose
61  2)
62
63LiquidCrystal lcd(11, 9, 6, 5, 4, 3);
64static char terrainUpper[TERRAIN_WIDTH
65  + 1];
66static char terrainLower[TERRAIN_WIDTH + 1];
67static bool buttonPushed
68  = false;
69
70void initializeGraphics(){
71  static byte graphics[] = {
72    //
73  Run position 1
74    B01100,
75    B01100,
76    B00000,
77    B01110,
78    B11100,
79
80    B01100,
81    B11010,
82    B10011,
83    // Run position 2
84    B01100,
85
86    B01100,
87    B00000,
88    B01100,
89    B01100,
90    B01100,
91    B01100,
92
93    B01110,
94    // Jump
95    B01100,
96    B01100,
97    B00000,
98    B11110,
99
100    B01101,
101    B11111,
102    B10000,
103    B00000,
104    // Jump lower
105
106    B11110,
107    B01101,
108    B11111,
109    B10000,
110    B00000,
111    B00000,
112
113    B00000,
114    B00000,
115    // Ground
116    B11111,
117    B11111,
118    B11111,
119
120    B11111,
121    B11111,
122    B11111,
123    B11111,
124    B11111,
125    //
126  Ground right
127    B00011,
128    B00011,
129    B00011,
130    B00011,
131    B00011,
132
133    B00011,
134    B00011,
135    B00011,
136    // Ground left
137    B11000,
138
139    B11000,
140    B11000,
141    B11000,
142    B11000,
143    B11000,
144    B11000,
145
146    B11000,
147  };
148  int i;
149  // Skip using character 0, this allows lcd.print()
150  to be used to
151  // quickly draw multiple characters
152  for (i = 0; i < 7; ++i)
153  {
154    lcd.createChar(i + 1, &graphics[i * 8]);
155  }
156  for (i = 0; i < TERRAIN_WIDTH;
157  ++i) {
158    terrainUpper[i] = SPRITE_TERRAIN_EMPTY;
159    terrainLower[i] = SPRITE_TERRAIN_EMPTY;
160
161  }
162}
163
164// Slide the terrain to the left in half-character increments
165//
166void
167  advanceTerrain(char* terrain, byte newTerrain){
168  for (int i = 0; i < TERRAIN_WIDTH;
169  ++i) {
170    char current = terrain[i];
171    char next = (i == TERRAIN_WIDTH-1)
172  ? newTerrain : terrain[i+1];
173    switch (current){
174      case SPRITE_TERRAIN_EMPTY:
175
176        terrain[i] = (next == SPRITE_TERRAIN_SOLID) ? SPRITE_TERRAIN_SOLID_RIGHT
177  : SPRITE_TERRAIN_EMPTY;
178        break;
179      case SPRITE_TERRAIN_SOLID:
180
181        terrain[i] = (next == SPRITE_TERRAIN_EMPTY) ? SPRITE_TERRAIN_SOLID_LEFT
182  : SPRITE_TERRAIN_SOLID;
183        break;
184      case SPRITE_TERRAIN_SOLID_RIGHT:
185
186        terrain[i] = SPRITE_TERRAIN_SOLID;
187        break;
188      case SPRITE_TERRAIN_SOLID_LEFT:
189
190        terrain[i] = SPRITE_TERRAIN_EMPTY;
191        break;
192    }
193  }
194}
195
196bool
197  drawBoy(byte position, char* terrainUpper, char* terrainLower, unsigned int score)
198  {
199  bool collide = false;
200  char upperSave = terrainUpper[BOY_HORIZONTAL_POSITION];
201
202  char lowerSave = terrainLower[BOY_HORIZONTAL_POSITION];
203  byte upper, lower;
204
205  switch (position) {
206    case BOY_POSITION_OFF:
207      upper = lower = SPRITE_TERRAIN_EMPTY;
208
209      break;
210    case BOY_POSITION_RUN_LOWER_1:
211      upper = SPRITE_TERRAIN_EMPTY;
212
213      lower = SPRITE_RUN1;
214      break;
215    case BOY_POSITION_RUN_LOWER_2:
216
217      upper = SPRITE_TERRAIN_EMPTY;
218      lower = SPRITE_RUN2;
219      break;
220
221    case BOY_POSITION_JUMP_1:
222    case BOY_POSITION_JUMP_8:
223      upper =
224  SPRITE_TERRAIN_EMPTY;
225      lower = SPRITE_JUMP;
226      break;
227    case
228  BOY_POSITION_JUMP_2:
229    case BOY_POSITION_JUMP_7:
230      upper = SPRITE_JUMP_UPPER;
231
232      lower = SPRITE_JUMP_LOWER;
233      break;
234    case BOY_POSITION_JUMP_3:
235
236    case BOY_POSITION_JUMP_4:
237    case BOY_POSITION_JUMP_5:
238    case BOY_POSITION_JUMP_6:
239
240      upper = SPRITE_JUMP;
241      lower = SPRITE_TERRAIN_EMPTY;
242      break;
243
244    case BOY_POSITION_RUN_UPPER_1:
245      upper = SPRITE_RUN1;
246      lower
247  = SPRITE_TERRAIN_EMPTY;
248      break;
249    case BOY_POSITION_RUN_UPPER_2:
250
251      upper = SPRITE_RUN2;
252      lower = SPRITE_TERRAIN_EMPTY;
253      break;
254
255  }
256  if (upper != ' ') {
257    terrainUpper[BOY_HORIZONTAL_POSITION] = upper;
258
259    collide = (upperSave == SPRITE_TERRAIN_EMPTY) ? false : true;
260  }
261  if
262  (lower != ' ') {
263    terrainLower[BOY_HORIZONTAL_POSITION] = lower;
264    collide
265  |= (lowerSave == SPRITE_TERRAIN_EMPTY) ? false : true;
266  }
267  
268  byte digits
269  = (score > 9999) ? 5 : (score > 999) ? 4 : (score > 99) ? 3 : (score > 9) ? 2 :
270  1;
271  
272  // Draw the scene
273  terrainUpper[TERRAIN_WIDTH] = '\\0';
274  terrainLower[TERRAIN_WIDTH]
275  = '\\0';
276  char temp = terrainUpper[16-digits];
277  terrainUpper[16-digits]
278  = '\\0';
279  lcd.setCursor(0,0);
280  lcd.print(terrainUpper);
281  terrainUpper[16-digits]
282  = temp;  
283  lcd.setCursor(0,1);
284  lcd.print(terrainLower);
285  
286  lcd.setCursor(16
287  - digits,0);
288  lcd.print(score);
289
290  terrainUpper[BOY_HORIZONTAL_POSITION]
291  = upperSave;
292  terrainLower[BOY_HORIZONTAL_POSITION] = lowerSave;
293  return
294  collide;
295}
296
297// Handle the button push as an interrupt
298void buttonPush()
299  {
300  buttonPushed = true;
301}
302
303void setup(){
304  pinMode(PIN_READWRITE,
305  OUTPUT);
306  digitalWrite(PIN_READWRITE, LOW);
307  pinMode(PIN_CONTRAST, OUTPUT);
308
309  digitalWrite(PIN_CONTRAST, LOW);
310  pinMode(JoyX, INPUT);
311  digitalWrite(JoyX,
312  HIGH);
313  pinMode(PIN_AUTOPLAY, OUTPUT);
314  digitalWrite(PIN_AUTOPLAY, HIGH);
315
316  
317  // Digital pin 2 maps to interrupt 0
318  attachInterrupt(0/*PIN_BUTTON*/,
319  buttonPush, FALLING);
320  
321  initializeGraphics();
322  
323  lcd.begin(16,
324  2);
325}
326
327void loop(){
328  static byte boyPos = BOY_POSITION_RUN_LOWER_1;
329
330  static byte newTerrainType = TERRAIN_EMPTY;
331  static byte newTerrainDuration
332  = 1;
333  static bool playing = false;
334  static bool blink = false;
335  static
336  unsigned int distance = 0;
337  
338  if (!playing) {
339    drawBoy((blink) ? BOY_POSITION_OFF
340  : boyPos, terrainUpper, terrainLower, distance >> 3);
341    if (blink) {
342      lcd.setCursor(0,0);
343
344      lcd.print("Press Start");
345    }
346    delay(250);
347    blink = !blink;
348
349    if (buttonPushed) {
350      initializeGraphics();
351      boyPos = BOY_POSITION_RUN_LOWER_1;
352
353      playing = true;
354      buttonPushed = false;
355      distance = 0;
356
357    }
358    return;
359  }
360
361  // Shift the terrain to the left
362  advanceTerrain(terrainLower,
363  newTerrainType == TERRAIN_LOWER_BLOCK ? SPRITE_TERRAIN_SOLID : SPRITE_TERRAIN_EMPTY);
364
365  advanceTerrain(terrainUpper, newTerrainType == TERRAIN_UPPER_BLOCK ? SPRITE_TERRAIN_SOLID
366  : SPRITE_TERRAIN_EMPTY);
367  
368  // Make new terrain to enter on the right
369
370  if (--newTerrainDuration == 0) {
371    if (newTerrainType == TERRAIN_EMPTY) {
372
373      newTerrainType = (random(3) == 0) ? TERRAIN_UPPER_BLOCK : TERRAIN_LOWER_BLOCK;
374
375      newTerrainDuration = 2 + random(10);
376    } else {
377      newTerrainType
378  = TERRAIN_EMPTY;
379      newTerrainDuration = 10 + random(10);
380    }
381  }
382
383    
384  if (buttonPushed) {
385    if (boyPos <= BOY_POSITION_RUN_LOWER_2) boyPos
386  = BOY_POSITION_JUMP_1;
387    buttonPushed = false;
388  }  
389
390  if (drawBoy(boyPos,
391  terrainUpper, terrainLower, distance >> 3)) {
392    playing = false; // The boy
393  collided with something. Too bad.
394  } else {
395    if (boyPos == BOY_POSITION_RUN_LOWER_2
396  || boyPos == BOY_POSITION_JUMP_8) {
397      boyPos = BOY_POSITION_RUN_LOWER_1;
398
399    } else if ((boyPos >= BOY_POSITION_JUMP_3 && boyPos <= BOY_POSITION_JUMP_5)
400  && terrainLower[BOY_HORIZONTAL_POSITION] != SPRITE_TERRAIN_EMPTY) {
401      boyPos
402  = BOY_POSITION_RUN_UPPER_1;
403    } else if (boyPos >= BOY_POSITION_RUN_UPPER_1
404  && terrainLower[BOY_HORIZONTAL_POSITION] == SPRITE_TERRAIN_EMPTY) {
405      boyPos
406  = BOY_POSITION_JUMP_5;
407    } else if (boyPos == BOY_POSITION_RUN_UPPER_2) {
408
409      boyPos = BOY_POSITION_RUN_UPPER_1;
410    } else {
411      ++boyPos;
412
413    }
414    ++distance;
415    
416    digitalWrite(PIN_AUTOPLAY, terrainLower[BOY_HORIZONTAL_POSITION
417  + 2] == SPRITE_TERRAIN_EMPTY ? HIGH : LOW);
418  }
419  delay(100);
420}
421

//www.YouTube.com/Electronics is Fun//
//Mohd Sohail//

#include
  <LiquidCrystal.h>

#define JoyX 2
#define PIN_AUTOPLAY 1
#define PIN_READWRITE
  10
#define PIN_CONTRAST 12

#define SPRITE_RUN1 1
#define SPRITE_RUN2
  2
#define SPRITE_JUMP 3
#define SPRITE_JUMP_UPPER '.'         // Use the '.'
  character for the head
#define SPRITE_JUMP_LOWER 4
#define SPRITE_TERRAIN_EMPTY
  ' '      // User the ' ' character
#define SPRITE_TERRAIN_SOLID 5
#define
  SPRITE_TERRAIN_SOLID_RIGHT 6
#define SPRITE_TERRAIN_SOLID_LEFT 7

#define
  BOY_HORIZONTAL_POSITION 1    // Horizontal position of hero on screen

#define
  TERRAIN_WIDTH 16
#define TERRAIN_EMPTY 0
#define TERRAIN_LOWER_BLOCK 1
#define
  TERRAIN_UPPER_BLOCK 2

#define BOY_POSITION_OFF 0          // boy is invisible
#define
  BOY_POSITION_RUN_LOWER_1 1  // boy is running on lower row (pose 1)
#define BOY_POSITION_RUN_LOWER_2
  2  //                              (pose 2)

#define BOY_POSITION_JUMP_1 3
       // Starting a jump
#define BOY_POSITION_JUMP_2 4       // Half-way up
#define
  BOY_POSITION_JUMP_3 5       // Jump is on upper row
#define BOY_POSITION_JUMP_4
  6       // Jump is on upper row
#define BOY_POSITION_JUMP_5 7       // Jump is
  on upper row
#define BOY_POSITION_JUMP_6 8       // Jump is on upper row
#define
  BOY_POSITION_JUMP_7 9       // Half-way down
#define BOY_POSITION_JUMP_8 10      //
  About to land

#define BOY_POSITION_RUN_UPPER_1 11 // boy is running on upper
  row (pose 1)
#define BOY_POSITION_RUN_UPPER_2 12 //                              (pose
  2)

LiquidCrystal lcd(11, 9, 6, 5, 4, 3);
static char terrainUpper[TERRAIN_WIDTH
  + 1];
static char terrainLower[TERRAIN_WIDTH + 1];
static bool buttonPushed
  = false;

void initializeGraphics(){
  static byte graphics[] = {
    //
  Run position 1
    B01100,
    B01100,
    B00000,
    B01110,
    B11100,

    B01100,
    B11010,
    B10011,
    // Run position 2
    B01100,

    B01100,
    B00000,
    B01100,
    B01100,
    B01100,
    B01100,

    B01110,
    // Jump
    B01100,
    B01100,
    B00000,
    B11110,

    B01101,
    B11111,
    B10000,
    B00000,
    // Jump lower

    B11110,
    B01101,
    B11111,
    B10000,
    B00000,
    B00000,

    B00000,
    B00000,
    // Ground
    B11111,
    B11111,
    B11111,

    B11111,
    B11111,
    B11111,
    B11111,
    B11111,
    //
  Ground right
    B00011,
    B00011,
    B00011,
    B00011,
    B00011,

    B00011,
    B00011,
    B00011,
    // Ground left
    B11000,

    B11000,
    B11000,
    B11000,
    B11000,
    B11000,
    B11000,

    B11000,
  };
  int i;
  // Skip using character 0, this allows lcd.print()
  to be used to
  // quickly draw multiple characters
  for (i = 0; i < 7; ++i)
  {
    lcd.createChar(i + 1, &graphics[i * 8]);
  }
  for (i = 0; i < TERRAIN_WIDTH;
  ++i) {
    terrainUpper[i] = SPRITE_TERRAIN_EMPTY;
    terrainLower[i] = SPRITE_TERRAIN_EMPTY;

  }
}

// Slide the terrain to the left in half-character increments
//
void
  advanceTerrain(char* terrain, byte newTerrain){
  for (int i = 0; i < TERRAIN_WIDTH;
  ++i) {
    char current = terrain[i];
    char next = (i == TERRAIN_WIDTH-1)
  ? newTerrain : terrain[i+1];
    switch (current){
      case SPRITE_TERRAIN_EMPTY:

        terrain[i] = (next == SPRITE_TERRAIN_SOLID) ? SPRITE_TERRAIN_SOLID_RIGHT
  : SPRITE_TERRAIN_EMPTY;
        break;
      case SPRITE_TERRAIN_SOLID:

        terrain[i] = (next == SPRITE_TERRAIN_EMPTY) ? SPRITE_TERRAIN_SOLID_LEFT
  : SPRITE_TERRAIN_SOLID;
        break;
      case SPRITE_TERRAIN_SOLID_RIGHT:

        terrain[i] = SPRITE_TERRAIN_SOLID;
        break;
      case SPRITE_TERRAIN_SOLID_LEFT:

        terrain[i] = SPRITE_TERRAIN_EMPTY;
        break;
    }
  }
}

bool
  drawBoy(byte position, char* terrainUpper, char* terrainLower, unsigned int score)
  {
  bool collide = false;
  char upperSave = terrainUpper[BOY_HORIZONTAL_POSITION];

  char lowerSave = terrainLower[BOY_HORIZONTAL_POSITION];
  byte upper, lower;

  switch (position) {
    case BOY_POSITION_OFF:
      upper = lower = SPRITE_TERRAIN_EMPTY;

      break;
    case BOY_POSITION_RUN_LOWER_1:
      upper = SPRITE_TERRAIN_EMPTY;

      lower = SPRITE_RUN1;
      break;
    case BOY_POSITION_RUN_LOWER_2:

      upper = SPRITE_TERRAIN_EMPTY;
      lower = SPRITE_RUN2;
      break;

    case BOY_POSITION_JUMP_1:
    case BOY_POSITION_JUMP_8:
      upper =
  SPRITE_TERRAIN_EMPTY;
      lower = SPRITE_JUMP;
      break;
    case
  BOY_POSITION_JUMP_2:
    case BOY_POSITION_JUMP_7:
      upper = SPRITE_JUMP_UPPER;

      lower = SPRITE_JUMP_LOWER;
      break;
    case BOY_POSITION_JUMP_3:

    case BOY_POSITION_JUMP_4:
    case BOY_POSITION_JUMP_5:
    case BOY_POSITION_JUMP_6:

      upper = SPRITE_JUMP;
      lower = SPRITE_TERRAIN_EMPTY;
      break;

    case BOY_POSITION_RUN_UPPER_1:
      upper = SPRITE_RUN1;
      lower
  = SPRITE_TERRAIN_EMPTY;
      break;
    case BOY_POSITION_RUN_UPPER_2:

      upper = SPRITE_RUN2;
      lower = SPRITE_TERRAIN_EMPTY;
      break;

  }
  if (upper != ' ') {
    terrainUpper[BOY_HORIZONTAL_POSITION] = upper;

    collide = (upperSave == SPRITE_TERRAIN_EMPTY) ? false : true;
  }
  if
  (lower != ' ') {
    terrainLower[BOY_HORIZONTAL_POSITION] = lower;
    collide
  |= (lowerSave == SPRITE_TERRAIN_EMPTY) ? false : true;
  }
  
  byte digits
  = (score > 9999) ? 5 : (score > 999) ? 4 : (score > 99) ? 3 : (score > 9) ? 2 :
  1;
  
  // Draw the scene
  terrainUpper[TERRAIN_WIDTH] = '\\0';
  terrainLower[TERRAIN_WIDTH]
  = '\\0';
  char temp = terrainUpper[16-digits];
  terrainUpper[16-digits]
  = '\\0';
  lcd.setCursor(0,0);
  lcd.print(terrainUpper);
  terrainUpper[16-digits]
  = temp;  
  lcd.setCursor(0,1);
  lcd.print(terrainLower);
  
  lcd.setCursor(16
  - digits,0);
  lcd.print(score);

  terrainUpper[BOY_HORIZONTAL_POSITION]
  = upperSave;
  terrainLower[BOY_HORIZONTAL_POSITION] = lowerSave;
  return
  collide;
}

// Handle the button push as an interrupt
void buttonPush()
  {
  buttonPushed = true;
}

void setup(){
  pinMode(PIN_READWRITE,
  OUTPUT);
  digitalWrite(PIN_READWRITE, LOW);
  pinMode(PIN_CONTRAST, OUTPUT);

  digitalWrite(PIN_CONTRAST, LOW);
  pinMode(JoyX, INPUT);
  digitalWrite(JoyX,
  HIGH);
  pinMode(PIN_AUTOPLAY, OUTPUT);
  digitalWrite(PIN_AUTOPLAY, HIGH);

  
  // Digital pin 2 maps to interrupt 0
  attachInterrupt(0/*PIN_BUTTON*/,
  buttonPush, FALLING);
  
  initializeGraphics();
  
  lcd.begin(16,
  2);
}

void loop(){
  static byte boyPos = BOY_POSITION_RUN_LOWER_1;

  static byte newTerrainType = TERRAIN_EMPTY;
  static byte newTerrainDuration
  = 1;
  static bool playing = false;
  static bool blink = false;
  static
  unsigned int distance = 0;
  
  if (!playing) {
    drawBoy((blink) ? BOY_POSITION_OFF
  : boyPos, terrainUpper, terrainLower, distance >> 3);
    if (blink) {
      lcd.setCursor(0,0);

      lcd.print("Press Start");
    }
    delay(250);
    blink = !blink;

    if (buttonPushed) {
      initializeGraphics();
      boyPos = BOY_POSITION_RUN_LOWER_1;

      playing = true;
      buttonPushed = false;
      distance = 0;

    }
    return;
  }

  // Shift the terrain to the left
  advanceTerrain(terrainLower,
  newTerrainType == TERRAIN_LOWER_BLOCK ? SPRITE_TERRAIN_SOLID : SPRITE_TERRAIN_EMPTY);

  advanceTerrain(terrainUpper, newTerrainType == TERRAIN_UPPER_BLOCK ? SPRITE_TERRAIN_SOLID
  : SPRITE_TERRAIN_EMPTY);
  
  // Make new terrain to enter on the right

  if (--newTerrainDuration == 0) {
    if (newTerrainType == TERRAIN_EMPTY) {

      newTerrainType = (random(3) == 0) ? TERRAIN_UPPER_BLOCK : TERRAIN_LOWER_BLOCK;

      newTerrainDuration = 2 + random(10);
    } else {
      newTerrainType
  = TERRAIN_EMPTY;
      newTerrainDuration = 10 + random(10);
    }
  }

    
  if (buttonPushed) {
    if (boyPos <= BOY_POSITION_RUN_LOWER_2) boyPos
  = BOY_POSITION_JUMP_1;
    buttonPushed = false;
  }  

  if (drawBoy(boyPos,
  terrainUpper, terrainLower, distance >> 3)) {
    playing = false; // The boy
  collided with something. Too bad.
  } else {
    if (boyPos == BOY_POSITION_RUN_LOWER_2
  || boyPos == BOY_POSITION_JUMP_8) {
      boyPos = BOY_POSITION_RUN_LOWER_1;

    } else if ((boyPos >= BOY_POSITION_JUMP_3 && boyPos <= BOY_POSITION_JUMP_5)
  && terrainLower[BOY_HORIZONTAL_POSITION] != SPRITE_TERRAIN_EMPTY) {
      boyPos
  = BOY_POSITION_RUN_UPPER_1;
    } else if (boyPos >= BOY_POSITION_RUN_UPPER_1
  && terrainLower[BOY_HORIZONTAL_POSITION] == SPRITE_TERRAIN_EMPTY) {
      boyPos
  = BOY_POSITION_JUMP_5;
    } else if (boyPos == BOY_POSITION_RUN_UPPER_2) {

      boyPos = BOY_POSITION_RUN_UPPER_1;
    } else {
      ++boyPos;

    }
    ++distance;
    
    digitalWrite(PIN_AUTOPLAY, terrainLower[BOY_HORIZONTAL_POSITION
  + 2] == SPRITE_TERRAIN_EMPTY ? HIGH : LOW);
  }
  delay(100);
}

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