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| /*
__DOTSHIP__
"The adventure of a dot-shaped ship versus the thing-shaped
immortal enemy"
A simple Arduino game that uses a common 16x2 LCD (Hitachi
HD44780 compatible) and a potentiometer and a pushbutton as
a controller.
You can find the LCD wiring here:
http://arduino.cc/en/Tutorial/LiquidCrystal
- RS to 12
- Enable to 11
- Data pins to 5, 4, 3, 2
- R/W to GND
also you will need a:
* Potentiometer:
- end pins to +5v and GND
- middle pin to A0 pin
* Pushbutton:
- attached to pin 8 from +5V
- 10K resistor attached to pin 8 from ground
More details: http://thebatzuk.org/2011/09/dotship-juego-en-
arduino-lcd-pot-pushbutton.html
11 Sep 2011
by Raúl Rivas (thebatzuk) <--------\
\
You can use, copy and modify \
this code but do not remove this line -\
*/
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
unsigned long time = 0;
boolean game = true;
unsigned int score = 0;
// potentiometer and button pins
int pot_pin = 0;
int bttn_pin = 8;
int bttn_val = 0;
int bttn_last = 0;
// ship variables
int ship_px = 0;
int ship_y = 0;
// shoots variables
boolean shot = false;
int shoot_time = 0;
byte shot_pos[5] = {B00001, B00010, B00100, B01000, B10000};
int shoot_x = 14;
int shoot_y = 0;
int shoot_px = 0;
int mi = 0;
// enemies variables
byte enemies[8] = {B00000, B00110, B00001, B01111, B01111,
B00001, B00110, B00000};
int enemy_y = 0;
int enemy_x = 0;
int enemy_vel = 100;
int vel_increment = 20;
void setup()
{
lcd.begin(16, 2);
lcd.createChar(2, enemies);
randomSeed(analogRead(1));
}
void loop()
{
if(game)
{
time++;
// ship stuff
byte ship[8] = {B00000, B00000, B00000, B00000, B00000,
B00000, B00000, B00000};
ship_px = map(analogRead(pot_pin), 0, 1023, 0, 16);
if(ship_px >= 0 && ship_px <= 7)
ship_y = 0;
else if(ship_px >= 8 && ship_px <= 15)
ship_y = 1;
ship[ship_px - ship_y * 8] = B10000;
lcd.createChar(0, ship);
lcd.setCursor(15, ship_y);
lcd.write(0);
// shoots stuff
byte shoot[8] = {B00000, B00000, B00000, B00000, B00000,
B00000, B00000, B00000};
bttn_val = digitalRead(bttn_pin);
if(bttn_val != bttn_last && bttn_val == HIGH && !shot)
{
shot = true;
shoot_time = 0;
mi = 0;
shoot_px = ship_px - ship_y * 8;
shoot_y = ship_y;
}
if(shot)
{
for(int i = 0; i < 15; i++)
{
if(shoot_time >= mi && shoot_time <= mi+4)
{
shoot_x = 14 - (mi / 5);
mi += 5;
if(shoot_x == 0)
shot = false;
break;
}
}
shoot[shoot_px] = shot_pos[shoot_time - (14 - shoot_x) * 5];
lcd.createChar(1, shoot);
lcd.setCursor(shoot_x, shoot_y);
lcd.write(1);
shoot_time++;
}
// enemies stuff
if(time % enemy_vel == 0)
{
enemy_x++;
enemy_y = random(0, 2);
}
lcd.setCursor(enemy_x, enemy_y);
lcd.write(2);
// enemy got shot:
if(shoot_y == enemy_y && shoot_x == enemy_x &&
shoot_px > 0 && shoot_px < 7)
{
score += 10 * enemy_x;
enemy_x = 0;
enemy_vel -= vel_increment;
vel_increment -= 5;
if(enemy_vel <= 0)
enemy_vel = 2;
if(vel_increment <= 0)
vel_increment = 5;
shot = false;
shoot_x = 14;
delay(25);
}
else if(enemy_x > 14)
game = false;
// other stuff
delay(15);
lcd.clear();
bttn_last = bttn_val;
}
else
{
lcd.setCursor(0, 0);
lcd.print("Game Over.");
lcd.setCursor(0, 1);
lcd.print("Score: ");
lcd.print(score);
// reset Arduino to play again
}
} |
