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Dependencies:   mbed

Touch/Touch.cpp@5:7207c9b70108, 2020-05-27 (annotated)

Committer:
ChenZirui
Date:
Wed May 27 21:13:59 2020 +0000
Revision:
5:7207c9b70108
Child:
6:b393cfe4e0a7
problems

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ChenZirui 5:7207c9b70108 1 #include "Touch.h"
ChenZirui 5:7207c9b70108 2
ChenZirui 5:7207c9b70108 3 Touch::Touch()
ChenZirui 5:7207c9b70108 4 {
ChenZirui 5:7207c9b70108 5
ChenZirui 5:7207c9b70108 6 }
ChenZirui 5:7207c9b70108 7
ChenZirui 5:7207c9b70108 8 Touch::~Touch()
ChenZirui 5:7207c9b70108 9 {
ChenZirui 5:7207c9b70108 10
ChenZirui 5:7207c9b70108 11 }
ChenZirui 5:7207c9b70108 12
ChenZirui 5:7207c9b70108 13 void Touch::init(int board_width,int board_height,int bullet_size,int speed,N5110 &lcd)
ChenZirui 5:7207c9b70108 14 {
ChenZirui 5:7207c9b70108 15 // initialise the game parameters
ChenZirui 5:7207c9b70108 16 _Board_width = board_width;
ChenZirui 5:7207c9b70108 17 _Board_height = board_height;
ChenZirui 5:7207c9b70108 18 _bullet_size = bullet_size;
ChenZirui 5:7207c9b70108 19 _speed = speed;
ChenZirui 5:7207c9b70108 20
ChenZirui 5:7207c9b70108 21 // x position on screen - WIDTH is defined in N5110.h
ChenZirui 5:7207c9b70108 22 _p1x = GAP;
ChenZirui 5:7207c9b70108 23 _p2x = WIDTH - GAP - _Board_width;
ChenZirui 5:7207c9b70108 24 _p1y=48-board_height*0.5;
ChenZirui 5:7207c9b70108 25 // puts boards and ball in middle
ChenZirui 5:7207c9b70108 26 _p1.init(_p1x,_p1y,_Board_height,_Board_width,lcd);
ChenZirui 5:7207c9b70108 27 //lcd.drawRect(0,0,84,24,FILL_BLACK);
ChenZirui 5:7207c9b70108 28 _bullet.init(_p1x,board_height,_speed,_Board_height);
ChenZirui 5:7207c9b70108 29 }
ChenZirui 5:7207c9b70108 30
ChenZirui 5:7207c9b70108 31 void Touch::read_input(Gamepad &pad)
ChenZirui 5:7207c9b70108 32 {
ChenZirui 5:7207c9b70108 33 _d = pad.get_direction();
ChenZirui 5:7207c9b70108 34 _mag = pad.get_mag();
ChenZirui 5:7207c9b70108 35 }
ChenZirui 5:7207c9b70108 36
ChenZirui 5:7207c9b70108 37 void Touch::draw(N5110 &lcd)
ChenZirui 5:7207c9b70108 38 {
ChenZirui 5:7207c9b70108 39 // draw the elements in the LCD buffer
ChenZirui 5:7207c9b70108 40 // pitch
ChenZirui 5:7207c9b70108 41 lcd.drawRect(0,0,WIDTH,HEIGHT,FILL_TRANSPARENT);
ChenZirui 5:7207c9b70108 42 lcd.drawLine(WIDTH/2,0,WIDTH/2,HEIGHT-1,2);
ChenZirui 5:7207c9b70108 43 lcd.drawRect(0,0,84,24,FILL_BLACK);
ChenZirui 5:7207c9b70108 44 //lcd.drawRect(0,0,84,24,FILL_BLACK);
ChenZirui 5:7207c9b70108 45 //score
ChenZirui 5:7207c9b70108 46 print_scores(lcd);
ChenZirui 5:7207c9b70108 47 // boards
ChenZirui 5:7207c9b70108 48 _p1.draw(lcd);
ChenZirui 5:7207c9b70108 49 _p2.draw(lcd);
ChenZirui 5:7207c9b70108 50 // ball
ChenZirui 5:7207c9b70108 51 _bullet.draw(lcd);
ChenZirui 5:7207c9b70108 52 }
ChenZirui 5:7207c9b70108 53
ChenZirui 5:7207c9b70108 54 void Touch::update(Gamepad &pad,N5110 &lcd)
ChenZirui 5:7207c9b70108 55 {
ChenZirui 5:7207c9b70108 56 check_goal(pad);
ChenZirui 5:7207c9b70108 57 // important to update boards and ball before checking collisions so can
ChenZirui 5:7207c9b70108 58 // correct for it before updating the display
ChenZirui 5:7207c9b70108 59 _p1.update(_d,_mag,lcd);
ChenZirui 5:7207c9b70108 60 //_p2.update(_d,_mag);
ChenZirui 5:7207c9b70108 61 _bullet.update(lcd);
ChenZirui 5:7207c9b70108 62
ChenZirui 5:7207c9b70108 63 check_wall_collision(pad);
ChenZirui 5:7207c9b70108 64 check_Board_collisions(pad,lcd);
ChenZirui 5:7207c9b70108 65 }
ChenZirui 5:7207c9b70108 66
ChenZirui 5:7207c9b70108 67 void Touch::check_wall_collision(Gamepad &pad)
ChenZirui 5:7207c9b70108 68 {
ChenZirui 5:7207c9b70108 69 // read current ball attributes
ChenZirui 5:7207c9b70108 70 Vector2D bullet_pos = _bullet.get_pos();
ChenZirui 5:7207c9b70108 71 Vector2D bullet_velocity = _bullet.get_velocity();
ChenZirui 5:7207c9b70108 72
ChenZirui 5:7207c9b70108 73 // check if hit top wall
ChenZirui 5:7207c9b70108 74 if (bullet_pos.y <= 1) { // 1 due to 1 pixel boundary
ChenZirui 5:7207c9b70108 75 bullet_pos.y = 1; // bounce off ceiling without going off screen
ChenZirui 5:7207c9b70108 76 bullet_velocity.y = -bullet_velocity.y;
ChenZirui 5:7207c9b70108 77 // audio feedback
ChenZirui 5:7207c9b70108 78 pad.tone(750.0,0.1);
ChenZirui 5:7207c9b70108 79 }
ChenZirui 5:7207c9b70108 80 // check if hit bottom wall
ChenZirui 5:7207c9b70108 81 else if (bullet_pos.y + _bullet_size >= (HEIGHT-1) ) { // bottom pixel is 47
ChenZirui 5:7207c9b70108 82 // hit bottom
ChenZirui 5:7207c9b70108 83 bullet_pos.y = (HEIGHT-1) - _bullet_size; // stops ball going off screen
ChenZirui 5:7207c9b70108 84 bullet_velocity.y = -bullet_velocity.y;
ChenZirui 5:7207c9b70108 85 // audio feedback
ChenZirui 5:7207c9b70108 86 pad.tone(750.0,0.1);
ChenZirui 5:7207c9b70108 87 }
ChenZirui 5:7207c9b70108 88
ChenZirui 5:7207c9b70108 89 // update ball parameters
ChenZirui 5:7207c9b70108 90 _bullet.set_velocity(bullet_velocity);
ChenZirui 5:7207c9b70108 91 _bullet.set_pos(bullet_pos);
ChenZirui 5:7207c9b70108 92 }
ChenZirui 5:7207c9b70108 93
ChenZirui 5:7207c9b70108 94 void Touch::check_Board_collisions(Gamepad &pad,N5110 &lcd)
ChenZirui 5:7207c9b70108 95 {
ChenZirui 5:7207c9b70108 96 // read current ball attributes
ChenZirui 5:7207c9b70108 97 Vector2D bullet_pos = _bullet.get_pos();
ChenZirui 5:7207c9b70108 98 Vector2D bullet_velocity = _bullet.get_velocity();
ChenZirui 5:7207c9b70108 99
ChenZirui 5:7207c9b70108 100 // check p1 first
ChenZirui 5:7207c9b70108 101 Vector2D p1_pos = _p1.get_pos();
ChenZirui 5:7207c9b70108 102 Vector2D p2_pos = _p2.get_pos();
ChenZirui 5:7207c9b70108 103 // see if ball has hit the board by checking for overlaps
ChenZirui 5:7207c9b70108 104 //lcd.drawRect(0,0,84,24,FILL_BLACK);
ChenZirui 5:7207c9b70108 105 if (
ChenZirui 5:7207c9b70108 106 (bullet_pos.y >= p1_pos.y) && //top
ChenZirui 5:7207c9b70108 107 (bullet_pos.y <= p1_pos.y + _Board_height) && //bottom
ChenZirui 5:7207c9b70108 108 (bullet_pos.x >= _p1x) && //left
ChenZirui 5:7207c9b70108 109 (bullet_pos.x <= _p1x + _Board_width) //right
ChenZirui 5:7207c9b70108 110 ){
ChenZirui 5:7207c9b70108 111
ChenZirui 5:7207c9b70108 112 // if it has, fix position and reflect x velocity
ChenZirui 5:7207c9b70108 113 bullet_pos.x = _p1x + _Board_width;
ChenZirui 5:7207c9b70108 114 bullet_velocity.x = -bullet_velocity.x;
ChenZirui 5:7207c9b70108 115 // audio feedback
ChenZirui 5:7207c9b70108 116 pad.tone(1000.0,0.1);
ChenZirui 5:7207c9b70108 117
ChenZirui 5:7207c9b70108 118 }
ChenZirui 5:7207c9b70108 119 if((bullet_pos.y >= 0)&&(bullet_pos.y <= 24))
ChenZirui 5:7207c9b70108 120 {
ChenZirui 5:7207c9b70108 121 lcd.drawRect(bullet_pos.x,bullet_pos.y-4,4,4,FILL_TRANSPARENT);
ChenZirui 5:7207c9b70108 122 bullet_pos.y = bullet_pos.y + _Board_width;
ChenZirui 5:7207c9b70108 123 bullet_velocity.y = -bullet_velocity.y;
ChenZirui 5:7207c9b70108 124 }
ChenZirui 5:7207c9b70108 125 // check p2 next
ChenZirui 5:7207c9b70108 126 /* Vector2D p2_pos = _p2.get_pos();
ChenZirui 5:7207c9b70108 127
ChenZirui 5:7207c9b70108 128 // see if ball has hit the board by checking for overlaps
ChenZirui 5:7207c9b70108 129 if (
ChenZirui 5:7207c9b70108 130 (ball_pos.y >= p2_pos.y) && //top
ChenZirui 5:7207c9b70108 131 (ball_pos.y <= p2_pos.y + _Board_height) && //bottom
ChenZirui 5:7207c9b70108 132 (ball_pos.x + _bullet_size >= _p2x) && //left
ChenZirui 5:7207c9b70108 133 (ball_pos.x + _bullet_size <= _p2x + _Board_width) //right
ChenZirui 5:7207c9b70108 134 ) {
ChenZirui 5:7207c9b70108 135 // if it has, fix position and reflect x velocity
ChenZirui 5:7207c9b70108 136 ball_pos.x = _p2x - _bullet_size;
ChenZirui 5:7207c9b70108 137 ball_velocity.x = -ball_velocity.x;
ChenZirui 5:7207c9b70108 138 // audio feedback
ChenZirui 5:7207c9b70108 139 pad.tone(1000.0,0.1);
ChenZirui 5:7207c9b70108 140 }*/
ChenZirui 5:7207c9b70108 141
ChenZirui 5:7207c9b70108 142 // write new attributes
ChenZirui 5:7207c9b70108 143 _bullet.set_velocity(bullet_velocity);
ChenZirui 5:7207c9b70108 144 _bullet.set_pos(bullet_pos);
ChenZirui 5:7207c9b70108 145 }
ChenZirui 5:7207c9b70108 146
ChenZirui 5:7207c9b70108 147 void Touch::check_goal(Gamepad &pad)
ChenZirui 5:7207c9b70108 148 {
ChenZirui 5:7207c9b70108 149 Vector2D bullet_pos = _bullet.get_pos();
ChenZirui 5:7207c9b70108 150 // P2 has scored
ChenZirui 5:7207c9b70108 151 if (bullet_pos.x + _bullet_size < 0) {
ChenZirui 5:7207c9b70108 152 _p2.add_score();
ChenZirui 5:7207c9b70108 153 _bullet.init(_p1x,_bullet_size,_speed,_Board_height);
ChenZirui 5:7207c9b70108 154 pad.tone(1500.0,0.5);
ChenZirui 5:7207c9b70108 155 pad.leds_on();
ChenZirui 5:7207c9b70108 156 wait(0.5);
ChenZirui 5:7207c9b70108 157 pad.leds_off();
ChenZirui 5:7207c9b70108 158 }
ChenZirui 5:7207c9b70108 159
ChenZirui 5:7207c9b70108 160 // P1 has scored
ChenZirui 5:7207c9b70108 161 if (bullet_pos.x > WIDTH) {
ChenZirui 5:7207c9b70108 162 _p1.add_score();
ChenZirui 5:7207c9b70108 163 _bullet.init(_p1x,_bullet_size,_speed,_Board_height);
ChenZirui 5:7207c9b70108 164 pad.tone(1500.0,0.5);
ChenZirui 5:7207c9b70108 165 pad.leds_on();
ChenZirui 5:7207c9b70108 166 wait(0.5);
ChenZirui 5:7207c9b70108 167 pad.leds_off();
ChenZirui 5:7207c9b70108 168 }
ChenZirui 5:7207c9b70108 169 }
ChenZirui 5:7207c9b70108 170
ChenZirui 5:7207c9b70108 171 void Touch::print_scores(N5110 &lcd)
ChenZirui 5:7207c9b70108 172 {
ChenZirui 5:7207c9b70108 173 // get scores from boards
ChenZirui 5:7207c9b70108 174 int p1_score = _p1.get_score();
ChenZirui 5:7207c9b70108 175 int p2_score = _p2.get_score();
ChenZirui 5:7207c9b70108 176
ChenZirui 5:7207c9b70108 177 // print to LCD i
ChenZirui 5:7207c9b70108 178 char buffer1[14];
ChenZirui 5:7207c9b70108 179 sprintf(buffer1,"%2d",p1_score);
ChenZirui 5:7207c9b70108 180 lcd.printString(buffer1,WIDTH/2 - 20,1); // font is 8 wide, so leave 4 pixel gape from middle assuming two digits
ChenZirui 5:7207c9b70108 181 char buffer2[14];
ChenZirui 5:7207c9b70108 182 sprintf(buffer2,"%2d",p2_score);
ChenZirui 5:7207c9b70108 183 lcd.printString(buffer2,WIDTH/2 + 4,1);
ChenZirui 5:7207c9b70108 184 }