XJEL2645 (18/19)
Li Saiwen 201089052
Dependencies: mbed Gamepad N5110
Diff: Snake/Snake.cpp
- Revision:
- 7:cafa0b96e8d3
- Parent:
- 3:7b28047013d2
diff -r 1ad8c738b9b7 -r cafa0b96e8d3 Snake/Snake.cpp
--- a/Snake/Snake.cpp Thu May 02 08:17:22 2019 +0000
+++ b/Snake/Snake.cpp Sun May 05 12:10:48 2019 +0000
@@ -38,34 +38,32 @@
initl=length;
snak._x[0] = x;
snak._y[0] = y;
- snak._dirc[0] = length;
+ snak._dirc[0] = 1;
for (int i=1; i < _length ;i++)
{
snak._x[i]=snak._x[0]+i;
snak._y[i]=snak._y[0];
snak._dirc[i]=1;
}
- snak._x[_length]=x+_length;
+ snak._x[_length]=x+_length-1;
snak._y[_length]=y;
snak._dirc[_length]=1;
}
void Snake::drawsnake(N5110 &lcd, Gamepad &pad){
- check_WallCollision(lcd,pad);// if head==wall game over
+ check_WallCollision(lcd,pad);
check_TailCollision(lcd,pad);
if (live!=0){
lcd.clear();
- waitExpect=((float)_length/3)+5;//set wait so the game is speeding up
+ waitExpect=((float)_length/4)+6;
waitTime=(1/(waitExpect+_speed));
wait(waitTime);
- _food.drawfood(lcd);//make first food
- lcd.drawRect(0,8,84,48-8,FILL_TRANSPARENT);//draw arena
+ _food.drawfood(lcd);
+ lcd.drawRect(0,8,84,48-9,FILL_TRANSPARENT);
drawscore(lcd);
- for ( int i=0; _length>i;i++){//draw snake
+ for ( int i=0; i < _length ;i++){
lcd.setPixel(snak._x[i],snak._y[i]);
-
-
lcd.refresh();
}
}
@@ -74,100 +72,98 @@
void Snake::snakemov(Gamepad &pad){
if (live!=0){
-
- d=pad.get_direction();
-
- if (snak._dirc[_length-1]==1)//set direction according _dir
- {
- snak._x[_length]++;
+ d=pad.get_direction();
+ if (d==N){
+
+ if (snak._dirc[_length-1]!=4)
+ {
+ snak._dirc[_length-1] = 2;
+ snak._dirc[_length] = 2;
+ }
+
+ }
+
+ if (d==E){
+
+ if (snak._dirc[_length-1]!=3)
+ {
+ snak._dirc[_length-1] = 1;
+ snak._dirc[_length] = 1;
+ }
+
+ }
+
+ if (d==W){
+
+ if (snak._dirc[_length-1]!=1)
+ {
+ snak._dirc[_length-1] = 3;
+ snak._dirc[_length] = 3;
+ }
+
+
+ }
+
+ if (d==S){
+
+ if (snak._dirc[_length-1]!=2)
+ {
+ snak._dirc[_length-1] = 4;
+ snak._dirc[_length] = 4;
+ }
+
+
+ }
+
+ if (snak._dirc[_length-1]==1)
+ {
+ snak._x[_length] = snak._x[_length] + 1;
+
}
if (snak._dirc[_length-1]==2)
{
- snak._y[_length]--;
+ snak._y[_length] = snak._y[_length] - 1;
+
}
if (snak._dirc[_length-1]==3)
{
- snak._x[_length]--;
+ snak._x[_length] = snak._x[_length] - 1;
+
}
if (snak._dirc[_length-1]==4)
{
- snak._y[_length]++;
+ snak._y[_length] = snak._y[_length] + 1;
}
-
- for (int i=0 ;_length<i ;i++)
+ for (int i=0 ;i < _length ;i++)
{
snak._x[i]=snak._x[i+1];
- snak._y[i]=snak._y[i+1];
- //printf("done");
- }
- //check dpad which way it is pointing
- //set direction accordingly, 1 is right, up is 2, 3 is left and 4 is down
- if (d==N){// if stick points up, go up
-
- if (snak._dirc[_length-1]!=4)
- {
- snak._dirc[_length-1] = 2;
- }
-
- }
-
- if (d==E){// if stick points right, go right
-
- if (snak._dirc[_length-1]!=3)
- {
- snak._dirc[_length-1] = 1;
- }
-
+ snak._y[i]=snak._y[i+1];
}
-
- if (d==W){// if stick points left, go left
-
- if (snak._dirc[_length-1]!=1)
- {
- snak._dirc[_length-1] = 3;
- }
-
-
- }
-
- if (d==S){// if stick points down, go down
-
- if (snak._dirc[_length-1]!=2)
- {
- snak._dirc[_length-1] = 4;
- }
-
-
- }
-
- printf("updated ");
eat(pad);
- }//live loop
-}//end of update
+ }
+}
void Snake::eat(Gamepad &pad){
Foodpos foodPos = _food.returnPos();
if(snak._x[_length-1]==foodPos.x && snak._y[_length-1]== foodPos.y)
{
- snak._x[_length+1]=snak._x[_length];//-1
- snak._y[_length+1]=snak._y[_length];
- snak._dirc[_length+1]=snak._dirc[_length-1];
- _length=_length+1;//if head == food, _length++
- _food.createfood();//spawn new food
+ _length=_length+1;
+ snak._x[_length] = snak._x[_length - 1];
+ snak._y[_length] = snak._y[_length - 1];
+ _food.createfood();
Tone_1(pad);
}
-}//end of addPoint
+}
int Snake::dead(N5110 &lcd, Gamepad &pad){
- live--; //take a life away
- //while (live==0){//dead reset game
+ live--;
while(live==0) {
lcd.clear();
lcd.printString("Game Over",0,1);
@@ -605,16 +601,16 @@
game_music(pad);
dead(lcd,pad);
}
- if (snak._y[_length]== FLOOR ||snak._y[_length]== CEILING )//if snake hits top or bottom walls
+ if (snak._y[_length]== FLOOR ||snak._y[_length]== CEILING )
{
game_music(pad);
dead(lcd,pad);
}
-}//end of checkWallCollision
+}
-void Snake::check_TailCollision(N5110 &lcd, Gamepad &pad){//if snake eats itself
- for (int i=0 ;_length<i ;i++){
+void Snake::check_TailCollision(N5110 &lcd, Gamepad &pad){
+ for (int i=0 ;i < (_length - 2) ;i++){
if (snak._x[_length-1]==snak._x[i] && snak._y[_length-1]==snak._y[i])
{
@@ -624,7 +620,7 @@
}
-}//end of checkTailCollision
+}
void Snake::game_music(Gamepad &pad){
@@ -637,14 +633,14 @@
}
void Snake::drawscore(N5110 &lcd){
- char buffer1[14];
- char buffer2[14];
- sprintf(buffer1,"%2d",live);
- sprintf(buffer2,"%2d",_length-5);
- lcd.printString(buffer1,20,0);
- lcd.printString(buffer2,70,0);
+ char buffer_1[15];
+ char buffer_2[15];
+ sprintf(buffer_1,"%2d",live);
+ sprintf(buffer_2,"%2d",_length-5);
+ lcd.printString(buffer_1,20,0);
+ lcd.printString(buffer_2,70,0);
lcd.drawSprite(6,1,7,7,(int *)LIFE);
lcd.printString(":",17,0);
- lcd.printString("Score:",40,0);//display life and points
+ lcd.printString("Score:",40,0);
-}//end of drawScore
\ No newline at end of file
+}
\ No newline at end of file