Zhang Xin yu / Mbed 2 deprecated ZhangXinyu201090208

zhangxinyu01text

Dependencies:   mbed

cxkEngine/cxkEngine.cpp@12:3952ba0683c7, 2019-05-06 (annotated)

Committer:
Jenny121
Date:
Mon May 06 06:09:02 2019 +0000
Revision:
12:3952ba0683c7
Child:
20:5efed4030c7b
zhang xinyu

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jenny121 12:3952ba0683c7 1 #include "cxkEngine.h"
Jenny121 12:3952ba0683c7 2
Jenny121 12:3952ba0683c7 3 cxkEngine::cxkEngine()
Jenny121 12:3952ba0683c7 4 {
Jenny121 12:3952ba0683c7 5
Jenny121 12:3952ba0683c7 6 }
Jenny121 12:3952ba0683c7 7
Jenny121 12:3952ba0683c7 8 cxkEngine::~cxkEngine()
Jenny121 12:3952ba0683c7 9 {
Jenny121 12:3952ba0683c7 10
Jenny121 12:3952ba0683c7 11 }
Jenny121 12:3952ba0683c7 12
Jenny121 12:3952ba0683c7 13 void cxkEngine::init(int CXK_width,int CXK_height,int ball_size,int speed)
Jenny121 12:3952ba0683c7 14 {
Jenny121 12:3952ba0683c7 15 // initialise the game parameters
Jenny121 12:3952ba0683c7 16 _CXK_width = CXK_width;
Jenny121 12:3952ba0683c7 17 _CXK_height = CXK_height;
Jenny121 12:3952ba0683c7 18 _ball_size = ball_size;
Jenny121 12:3952ba0683c7 19 _speed = speed;
Jenny121 12:3952ba0683c7 20
Jenny121 12:3952ba0683c7 21 // x position on screen - WIDTH is defined in N5110.h
Jenny121 12:3952ba0683c7 22
Jenny121 12:3952ba0683c7 23 _cxkpx = 80 - _CXK_width;
Jenny121 12:3952ba0683c7 24 _cxkpy = 40 - _CXK_height;// 80 ;40 are the edge of the wall
Jenny121 12:3952ba0683c7 25
Jenny121 12:3952ba0683c7 26 // puts CXKs and ball in middle
Jenny121 12:3952ba0683c7 27
Jenny121 12:3952ba0683c7 28 _cxkp.init(_cxkpx,_cxkpy,_CXK_height,_CXK_width);
Jenny121 12:3952ba0683c7 29 _ball.init(_ball_size,_speed,_direction);
Jenny121 12:3952ba0683c7 30 }
Jenny121 12:3952ba0683c7 31
Jenny121 12:3952ba0683c7 32 void cxkEngine::read_input(Gamepad &pad)
Jenny121 12:3952ba0683c7 33 {
Jenny121 12:3952ba0683c7 34 _d = pad.get_direction();
Jenny121 12:3952ba0683c7 35 _vara = pad.get_vara();
Jenny121 12:3952ba0683c7 36 }
Jenny121 12:3952ba0683c7 37
Jenny121 12:3952ba0683c7 38 void cxkEngine::draw(N5110 &lcd)
Jenny121 12:3952ba0683c7 39 {
Jenny121 12:3952ba0683c7 40 // draw the wall basket in the LCD buffer
Jenny121 12:3952ba0683c7 41
Jenny121 12:3952ba0683c7 42 lcd.drawRect(0,0,WIDTH,HEIGHT,FILL_TRANSPARENT);//wal
Jenny121 12:3952ba0683c7 43 lcd.drawCircle(6,20,5,FILL_TRANSPARENT);// kuang
Jenny121 12:3952ba0683c7 44 //score
Jenny121 12:3952ba0683c7 45 print_scores(lcd);
Jenny121 12:3952ba0683c7 46 // CXKs
Jenny121 12:3952ba0683c7 47
Jenny121 12:3952ba0683c7 48 _cxkp.draw(lcd);
Jenny121 12:3952ba0683c7 49 int cxkp_score = _cxkp.get_score();
Jenny121 12:3952ba0683c7 50 // ball
Jenny121 12:3952ba0683c7 51 _ball.draw(lcd);
Jenny121 12:3952ba0683c7 52 if (cxkp_score >= 30) {
Jenny121 12:3952ba0683c7 53 lcd.printString("Congratulations",0,1);
Jenny121 12:3952ba0683c7 54 lcd.printString(" u win CXK",0,2);
Jenny121 12:3952ba0683c7 55 lcd.printString("GAME OVER",0,4);
Jenny121 12:3952ba0683c7 56 lcd.refresh();
Jenny121 12:3952ba0683c7 57 }
Jenny121 12:3952ba0683c7 58 }
Jenny121 12:3952ba0683c7 59
Jenny121 12:3952ba0683c7 60 void cxkEngine::update(Gamepad &pad)
Jenny121 12:3952ba0683c7 61 {
Jenny121 12:3952ba0683c7 62 check_goal(pad);
Jenny121 12:3952ba0683c7 63 // important to update CXKs and ball before checking collisions so can
Jenny121 12:3952ba0683c7 64 // correct for it before updating the display
Jenny121 12:3952ba0683c7 65
Jenny121 12:3952ba0683c7 66 _cxkp.update(_d,_vara);
Jenny121 12:3952ba0683c7 67 _ball.update();
Jenny121 12:3952ba0683c7 68
Jenny121 12:3952ba0683c7 69 check_wall_collision(pad);
Jenny121 12:3952ba0683c7 70 check_CXK_collisions(pad);
Jenny121 12:3952ba0683c7 71 }
Jenny121 12:3952ba0683c7 72
Jenny121 12:3952ba0683c7 73 void cxkEngine::check_wall_collision(Gamepad &pad)
Jenny121 12:3952ba0683c7 74 {
Jenny121 12:3952ba0683c7 75 // read current ball attributes
Jenny121 12:3952ba0683c7 76 Vector2D ball_pos = _ball.get_pos();
Jenny121 12:3952ba0683c7 77 Vector2D ball_velocity = _ball.get_velocity();
Jenny121 12:3952ba0683c7 78
Jenny121 12:3952ba0683c7 79 // check if hit top wall
Jenny121 12:3952ba0683c7 80 if (ball_pos.y <= 1) { // 1 due to 1 pixel boundary
Jenny121 12:3952ba0683c7 81 ball_pos.y = 1; // bounce off ceiling without going off screen
Jenny121 12:3952ba0683c7 82 ball_velocity.y = -ball_velocity.y;
Jenny121 12:3952ba0683c7 83 // audio feedback
Jenny121 12:3952ba0683c7 84 pad.tone(650.0,0.1);
Jenny121 12:3952ba0683c7 85 }
Jenny121 12:3952ba0683c7 86 else if (ball_pos.x <= 1) { // 1 due to 1 pixel boundary
Jenny121 12:3952ba0683c7 87 ball_pos.x = 1; // bounce off ceiling without going off screen
Jenny121 12:3952ba0683c7 88 ball_velocity.x = -ball_velocity.x;
Jenny121 12:3952ba0683c7 89 // audio feedback
Jenny121 12:3952ba0683c7 90 pad.tone(750.0,0.1);
Jenny121 12:3952ba0683c7 91 }
Jenny121 12:3952ba0683c7 92 // check if hit right wall
Jenny121 12:3952ba0683c7 93 else if (ball_pos.x + _ball_size >= (WIDTH-1) ) { // bottom pixel is 47
Jenny121 12:3952ba0683c7 94 // hit bottom
Jenny121 12:3952ba0683c7 95 ball_pos.x = (WIDTH-1) - _ball_size; // stops ball going off screen
Jenny121 12:3952ba0683c7 96 ball_velocity.x = -ball_velocity.x;
Jenny121 12:3952ba0683c7 97 // audio feedback
Jenny121 12:3952ba0683c7 98 pad.tone(750.0,0.1);
Jenny121 12:3952ba0683c7 99 }
Jenny121 12:3952ba0683c7 100
Jenny121 12:3952ba0683c7 101 // check if hit bottom wall
Jenny121 12:3952ba0683c7 102 else if (ball_pos.y + _ball_size >= (HEIGHT-1) ) { // bottom pixel is 47
Jenny121 12:3952ba0683c7 103 // hit bottom
Jenny121 12:3952ba0683c7 104 ball_pos.y = (HEIGHT-1) - _ball_size; // stops ball going off screen
Jenny121 12:3952ba0683c7 105 ball_velocity.y = -ball_velocity.y;
Jenny121 12:3952ba0683c7 106 // audio feedback
Jenny121 12:3952ba0683c7 107 pad.tone(650.0,0.1);
Jenny121 12:3952ba0683c7 108 }
Jenny121 12:3952ba0683c7 109
Jenny121 12:3952ba0683c7 110 // update ball parameters
Jenny121 12:3952ba0683c7 111 _ball.set_velocity(ball_velocity);
Jenny121 12:3952ba0683c7 112 _ball.set_pos(ball_pos);
Jenny121 12:3952ba0683c7 113 }
Jenny121 12:3952ba0683c7 114
Jenny121 12:3952ba0683c7 115 void cxkEngine::check_CXK_collisions(Gamepad &pad)
Jenny121 12:3952ba0683c7 116 {
Jenny121 12:3952ba0683c7 117 // read current ball attributes
Jenny121 12:3952ba0683c7 118 Vector2D ball_pos = _ball.get_pos();
Jenny121 12:3952ba0683c7 119 Vector2D ball_velocity = _ball.get_velocity();
Jenny121 12:3952ba0683c7 120
Jenny121 12:3952ba0683c7 121
Jenny121 12:3952ba0683c7 122 // see if ball has hit the
Jenny121 12:3952ba0683c7 123
Jenny121 12:3952ba0683c7 124 // check cxkp next
Jenny121 12:3952ba0683c7 125 Vector2D cxkp_pos = _cxkp.get_pos();
Jenny121 12:3952ba0683c7 126
Jenny121 12:3952ba0683c7 127 // see if ball has hit the CXK
Jenny121 12:3952ba0683c7 128 if ((ball_pos.y - cxkp_pos.y >= -5) &&
Jenny121 12:3952ba0683c7 129 (ball_pos.y - cxkp_pos.y <= 5) &&
Jenny121 12:3952ba0683c7 130 (ball_pos.x - cxkp_pos.x >= -5) &&
Jenny121 12:3952ba0683c7 131 (ball_pos.x - cxkp_pos.x <= 5)
Jenny121 12:3952ba0683c7 132 ) //right
Jenny121 12:3952ba0683c7 133 {
Jenny121 12:3952ba0683c7 134 // if it has, change the position and reflect x,y velocity
Jenny121 12:3952ba0683c7 135 ball_pos.x= ball_pos.x + 3;
Jenny121 12:3952ba0683c7 136 ball_pos.y = ball_pos.y + 1;
Jenny121 12:3952ba0683c7 137 ball_velocity.x = -ball_velocity.x ;
Jenny121 12:3952ba0683c7 138 ball_velocity.y = -ball_velocity.y;
Jenny121 12:3952ba0683c7 139 // audio feedback
Jenny121 12:3952ba0683c7 140 pad.tone(1000.0,0.1);
Jenny121 12:3952ba0683c7 141 pad.tone(900.0,0.1);
Jenny121 12:3952ba0683c7 142 pad.tone(800.0,0.1);
Jenny121 12:3952ba0683c7 143 }
Jenny121 12:3952ba0683c7 144
Jenny121 12:3952ba0683c7 145 // write new attributes
Jenny121 12:3952ba0683c7 146 _ball.set_velocity(ball_velocity);
Jenny121 12:3952ba0683c7 147 _ball.set_pos(ball_pos);
Jenny121 12:3952ba0683c7 148 }
Jenny121 12:3952ba0683c7 149
Jenny121 12:3952ba0683c7 150 void cxkEngine::check_goal(Gamepad &pad)
Jenny121 12:3952ba0683c7 151 {
Jenny121 12:3952ba0683c7 152 Vector2D ball_pos = _ball.get_pos();
Jenny121 12:3952ba0683c7 153 Vector2D cxkp_pos = _cxkp.get_pos();
Jenny121 12:3952ba0683c7 154 // cxkp has scored if the ball in the basket
Jenny121 12:3952ba0683c7 155 if (
Jenny121 12:3952ba0683c7 156 (ball_pos.y <= 25) &&
Jenny121 12:3952ba0683c7 157 (ball_pos.y >= 15) &&
Jenny121 12:3952ba0683c7 158 (ball_pos.x <= 6) &&
Jenny121 12:3952ba0683c7 159 (ball_pos.x >= 1)
Jenny121 12:3952ba0683c7 160
Jenny121 12:3952ba0683c7 161 ) {
Jenny121 12:3952ba0683c7 162 _cxkp.add_score();
Jenny121 12:3952ba0683c7 163 _ball.init(_ball_size,_speed,_direction);
Jenny121 12:3952ba0683c7 164 pad.tone(1500.0,0.5);
Jenny121 12:3952ba0683c7 165 pad.leds_on();
Jenny121 12:3952ba0683c7 166 wait(0.5); // wiat show the goal
Jenny121 12:3952ba0683c7 167 pad.leds_off();
Jenny121 12:3952ba0683c7 168 }
Jenny121 12:3952ba0683c7 169
Jenny121 12:3952ba0683c7 170 }
Jenny121 12:3952ba0683c7 171
Jenny121 12:3952ba0683c7 172 void cxkEngine::print_scores(N5110 &lcd)
Jenny121 12:3952ba0683c7 173 {
Jenny121 12:3952ba0683c7 174 // get scores from CXKs
Jenny121 12:3952ba0683c7 175
Jenny121 12:3952ba0683c7 176 int cxkp_score = _cxkp.get_score();
Jenny121 12:3952ba0683c7 177
Jenny121 12:3952ba0683c7 178 // print to LCD i
Jenny121 12:3952ba0683c7 179 // font is 8 wide, so leave 4 pixel 2e from middle assuming two digits
Jenny121 12:3952ba0683c7 180 char buffer2[14];
Jenny121 12:3952ba0683c7 181 sprintf(buffer2,"%2d",cxkp_score);
Jenny121 12:3952ba0683c7 182 lcd.printString(buffer2,40 ,1);
Jenny121 12:3952ba0683c7 183
Jenny121 12:3952ba0683c7 184 }
Jenny121 12:3952ba0683c7 185