James Heavey / Mbed 2 deprecated EL17JH

FINAL VERSION

Dependencies:   mbed

Ball/Ball.cpp@8:1ab6d90c4d60, 2019-04-21 (annotated)

Committer:
jamesheavey
Date:
Sun Apr 21 19:40:05 2019 +0000
Revision:
8:1ab6d90c4d60
Parent:
0:7d4d2023ed9c
Child:
40:ac53905346fb
edited the check paddle collision to account for direction and angle of reflection based on where the paddle is hit. Buggy, needs refinement

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jamesheavey 0:7d4d2023ed9c 1 #include "Ball.h"
jamesheavey 0:7d4d2023ed9c 2
jamesheavey 0:7d4d2023ed9c 3 Ball::Ball()
jamesheavey 0:7d4d2023ed9c 4 {
jamesheavey 0:7d4d2023ed9c 5
jamesheavey 0:7d4d2023ed9c 6 }
jamesheavey 0:7d4d2023ed9c 7
jamesheavey 0:7d4d2023ed9c 8 Ball::~Ball()
jamesheavey 0:7d4d2023ed9c 9 {
jamesheavey 0:7d4d2023ed9c 10
jamesheavey 0:7d4d2023ed9c 11 }
jamesheavey 0:7d4d2023ed9c 12
jamesheavey 0:7d4d2023ed9c 13 void Ball::init(int size,int speed)
jamesheavey 0:7d4d2023ed9c 14 {
jamesheavey 0:7d4d2023ed9c 15 _size = size;
jamesheavey 0:7d4d2023ed9c 16
jamesheavey 0:7d4d2023ed9c 17 _x = WIDTH/2 - _size/2;
jamesheavey 0:7d4d2023ed9c 18 _y = HEIGHT/2 - _size/2;
jamesheavey 0:7d4d2023ed9c 19
jamesheavey 0:7d4d2023ed9c 20 srand(time(NULL));
jamesheavey 0:7d4d2023ed9c 21 int direction = rand() % 4; // randomise initial direction.
jamesheavey 0:7d4d2023ed9c 22
jamesheavey 0:7d4d2023ed9c 23 // 4 possibilities. Get random modulo and set velocities accordingly
jamesheavey 0:7d4d2023ed9c 24 if (direction == 0) {
jamesheavey 0:7d4d2023ed9c 25 _velocity.x = speed;
jamesheavey 0:7d4d2023ed9c 26 _velocity.y = speed;
jamesheavey 0:7d4d2023ed9c 27 } else if (direction == 1) {
jamesheavey 8:1ab6d90c4d60 28 _velocity.x = -speed;
jamesheavey 8:1ab6d90c4d60 29 _velocity.y = speed;
jamesheavey 0:7d4d2023ed9c 30 } else if (direction == 2) {
jamesheavey 0:7d4d2023ed9c 31 _velocity.x = speed;
jamesheavey 0:7d4d2023ed9c 32 _velocity.y = speed;
jamesheavey 0:7d4d2023ed9c 33 } else {
jamesheavey 0:7d4d2023ed9c 34 _velocity.x = -speed;
jamesheavey 8:1ab6d90c4d60 35 _velocity.y = speed;
jamesheavey 0:7d4d2023ed9c 36 }
jamesheavey 0:7d4d2023ed9c 37 }
jamesheavey 0:7d4d2023ed9c 38
jamesheavey 0:7d4d2023ed9c 39 void Ball::draw(N5110 &lcd)
jamesheavey 0:7d4d2023ed9c 40 {
jamesheavey 0:7d4d2023ed9c 41 lcd.drawRect(_x,_y,_size,_size,FILL_BLACK);
jamesheavey 0:7d4d2023ed9c 42 }
jamesheavey 0:7d4d2023ed9c 43
jamesheavey 0:7d4d2023ed9c 44 void Ball::update()
jamesheavey 0:7d4d2023ed9c 45 {
jamesheavey 0:7d4d2023ed9c 46 _x += _velocity.x;
jamesheavey 0:7d4d2023ed9c 47 _y += _velocity.y;
jamesheavey 0:7d4d2023ed9c 48 }
jamesheavey 0:7d4d2023ed9c 49
jamesheavey 0:7d4d2023ed9c 50 void Ball::set_velocity(Vector2D v)
jamesheavey 0:7d4d2023ed9c 51 {
jamesheavey 0:7d4d2023ed9c 52 _velocity.x = v.x;
jamesheavey 0:7d4d2023ed9c 53 _velocity.y = v.y;
jamesheavey 0:7d4d2023ed9c 54 }
jamesheavey 0:7d4d2023ed9c 55
jamesheavey 0:7d4d2023ed9c 56 Vector2D Ball::get_velocity()
jamesheavey 0:7d4d2023ed9c 57 {
jamesheavey 0:7d4d2023ed9c 58 Vector2D v = {_velocity.x,_velocity.y};
jamesheavey 0:7d4d2023ed9c 59 return v;
jamesheavey 0:7d4d2023ed9c 60 }
jamesheavey 0:7d4d2023ed9c 61
jamesheavey 0:7d4d2023ed9c 62 Vector2D Ball::get_pos()
jamesheavey 0:7d4d2023ed9c 63 {
jamesheavey 0:7d4d2023ed9c 64 Vector2D p = {_x,_y};
jamesheavey 0:7d4d2023ed9c 65 return p;
jamesheavey 0:7d4d2023ed9c 66 }
jamesheavey 0:7d4d2023ed9c 67
jamesheavey 0:7d4d2023ed9c 68 void Ball::set_pos(Vector2D p)
jamesheavey 0:7d4d2023ed9c 69 {
jamesheavey 0:7d4d2023ed9c 70 _x = p.x;
jamesheavey 0:7d4d2023ed9c 71 _y = p.y;
jamesheavey 0:7d4d2023ed9c 72 }