Ahmed Abu Zaid / Obstacles

class for obstacles in Car_race game

Obstacles.cpp@11:c0922d4fda7b, 2017-05-04 (annotated)

Committer:
fy14aaz
Date:
Thu May 04 12:04:51 2017 +0000
Revision:
11:c0922d4fda7b
Parent:
10:515df7535b2f 
final version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fy14aaz 0:f8968ec0ec1b 1 #include "Obstacles.h"
fy14aaz 0:f8968ec0ec1b 2
fy14aaz 0:f8968ec0ec1b 3 Obstacles::Obstacles()
fy14aaz 0:f8968ec0ec1b 4 {
fy14aaz 10:515df7535b2f 5
fy14aaz 0:f8968ec0ec1b 6 }
fy14aaz 0:f8968ec0ec1b 7
fy14aaz 0:f8968ec0ec1b 8 Obstacles::~Obstacles()
fy14aaz 0:f8968ec0ec1b 9 {
fy14aaz 10:515df7535b2f 10
fy14aaz 0:f8968ec0ec1b 11 }
fy14aaz 0:f8968ec0ec1b 12
fy14aaz 0:f8968ec0ec1b 13 void Obstacles::init(int seed)
fy14aaz 0:f8968ec0ec1b 14 {
fy14aaz 11:c0922d4fda7b 15 _Obstacle_pos_x = seed;
fy14aaz 11:c0922d4fda7b 16 _score = 0; // initialise scores
fy14aaz 9:d5f90988545e 17 _totalscore = 0;
fy14aaz 11:c0922d4fda7b 18 // printf("_Obstacle_pos_x=%d \n",_Obstacle_pos_x);
fy14aaz 0:f8968ec0ec1b 19 }
fy14aaz 0:f8968ec0ec1b 20
fy14aaz 1:a735e7396af4 21 void Obstacles::draw(N5110 &lcd,int seed)
fy14aaz 0:f8968ec0ec1b 22 {
fy14aaz 11:c0922d4fda7b 23 _Obstacle_pos_x = seed; // give a random number to the x position of the obstacle
fy14aaz 11:c0922d4fda7b 24 // printf("_Obstacle_pos_x=%d \n",_Obstacle_pos_x);
fy14aaz 11:c0922d4fda7b 25 switch(_Obstacle_pos_x) {
fy14aaz 10:515df7535b2f 26 case 0:
fy14aaz 11:c0922d4fda7b 27 lcd.drawRect(2,11,25,2,FILL_BLACK); // draw in the left
fy14aaz 10:515df7535b2f 28 break;
fy14aaz 10:515df7535b2f 29
fy14aaz 10:515df7535b2f 30 case 1:
fy14aaz 11:c0922d4fda7b 31 lcd.drawRect(28,11,27,2,FILL_BLACK); // draw in the middle
fy14aaz 10:515df7535b2f 32 break;
fy14aaz 10:515df7535b2f 33
fy14aaz 10:515df7535b2f 34 case 2:
fy14aaz 11:c0922d4fda7b 35 lcd.drawRect(56,11,25,2,FILL_BLACK); // draw in the right
fy14aaz 10:515df7535b2f 36 break;
fy14aaz 10:515df7535b2f 37 }
fy14aaz 0:f8968ec0ec1b 38 }
fy14aaz 0:f8968ec0ec1b 39
fy14aaz 11:c0922d4fda7b 40 void Obstacles::update(N5110 &lcd)
fy14aaz 10:515df7535b2f 41 {
fy14aaz 11:c0922d4fda7b 42 add_Score(lcd);
fy14aaz 11:c0922d4fda7b 43
fy14aaz 11:c0922d4fda7b 44 char pixelstate[82][37]; // generate an array to store pixels' values
fy14aaz 11:c0922d4fda7b 45 for (int i=1; i<83; i+=1) {
fy14aaz 11:c0922d4fda7b 46 for (int j=10; j<47; j+=1) { // notice that we start from the 10th row as to allow enough for the
fy14aaz 11:c0922d4fda7b 47 if (lcd.getPixel(i,j)) { // real time prints to be displayed in the first 10 rows
fy14aaz 11:c0922d4fda7b 48 pixelstate[i-1][j-10]=1;
fy14aaz 10:515df7535b2f 49 } else {
fy14aaz 11:c0922d4fda7b 50 pixelstate[i-1][j-10]=0;
fy14aaz 10:515df7535b2f 51 }
fy14aaz 10:515df7535b2f 52 }
fy14aaz 10:515df7535b2f 53 }
fy14aaz 11:c0922d4fda7b 54 for (int i=1; i<83; i+=1) { // loop through the array values now and then
fy14aaz 11:c0922d4fda7b 55 for (int j=10; j<47; j+=1) { // shift all the pixels down
fy14aaz 11:c0922d4fda7b 56 if ((pixelstate[i-1][j-10]) ) {
fy14aaz 11:c0922d4fda7b 57 lcd.setPixel(i,j+2); // pixels move in an increment of two for higher speed
fy14aaz 11:c0922d4fda7b 58 }
fy14aaz 11:c0922d4fda7b 59 if ((pixelstate[i-1][j-11]==0) ) {
fy14aaz 11:c0922d4fda7b 60 lcd.setPixel(i,j+1,false);
fy14aaz 10:515df7535b2f 61 }
fy14aaz 10:515df7535b2f 62 }
fy14aaz 10:515df7535b2f 63 }
fy14aaz 8:c8007ccac5c0 64 }
fy14aaz 8:c8007ccac5c0 65
fy14aaz 11:c0922d4fda7b 66 void Obstacles::add_Score(N5110 &lcd)
fy14aaz 8:c8007ccac5c0 67 {
fy14aaz 11:c0922d4fda7b 68 // loop through the last row of the screen and check if a pixel is detected
fy14aaz 11:c0922d4fda7b 69 for (int i=2; i<83; i+=1) { // if so, then an obstacle is passing, hence break out from the loop since
fy14aaz 11:c0922d4fda7b 70 if (lcd.getPixel(i,46)) { // only one pixel is sufficient to prove that
fy14aaz 11:c0922d4fda7b 71 _score++; // increase adjustable score
fy14aaz 11:c0922d4fda7b 72 _totalscore++; // increase total/final score
fy14aaz 11:c0922d4fda7b 73 // printf("Done \n");
fy14aaz 10:515df7535b2f 74 break;
fy14aaz 10:515df7535b2f 75 }
fy14aaz 10:515df7535b2f 76 }
fy14aaz 10:515df7535b2f 77 }
fy14aaz 10:515df7535b2f 78
fy14aaz 11:c0922d4fda7b 79 void Obstacles::reduce_Score()
fy14aaz 10:515df7535b2f 80 {
fy14aaz 11:c0922d4fda7b 81 _score -= 10; // reduce score when feature is used in other functions
fy14aaz 8:c8007ccac5c0 82 }
fy14aaz 8:c8007ccac5c0 83
fy14aaz 11:c0922d4fda7b 84 int Obstacles::get_Score()
fy14aaz 8:c8007ccac5c0 85 {
fy14aaz 11:c0922d4fda7b 86 return _score; // adjustable score
fy14aaz 8:c8007ccac5c0 87 }
fy14aaz 11:c0922d4fda7b 88 int Obstacles::get_TotalScore()
fy14aaz 8:c8007ccac5c0 89 {
fy14aaz 11:c0922d4fda7b 90 return _totalscore; // total/final score
fy14aaz 9:d5f90988545e 91 }
fy14aaz 9:d5f90988545e 92