ELEC2645 (2019/20) / Mbed 2 deprecated ELEC2645_Project_el18zc_

Dependencies:   mbed

Bullet/Bullet.cpp@16:f8a6834a0289, 2020-05-29 (annotated)

Committer:
ChenZirui
Date:
Fri May 29 07:39:20 2020 +0000
Revision:
16:f8a6834a0289
Parent:
15:7ca2d1b2bd0e 
Final submission . I have read and agreed with Statement of Academic Integrity

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ChenZirui 5:7207c9b70108 1 #include "Bullet.h"
ChenZirui 16:f8a6834a0289 2 //Bullet part
ChenZirui 5:7207c9b70108 3
ChenZirui 15:7ca2d1b2bd0e 4 void Bullet::init(int x,int size,int speed,int y)
ChenZirui 5:7207c9b70108 5 {
ChenZirui 15:7ca2d1b2bd0e 6 _size = size; // the size of bullet
ChenZirui 5:7207c9b70108 7
ChenZirui 15:7ca2d1b2bd0e 8 _x = x; //initial horizontal coordinate
ChenZirui 15:7ca2d1b2bd0e 9 _y = y; //initial vertical coordinate
ChenZirui 5:7207c9b70108 10
ChenZirui 5:7207c9b70108 11 srand(time(NULL));
ChenZirui 7:f61ac963eb07 12 int direction = rand() % 2; // randomise initial direction.
ChenZirui 5:7207c9b70108 13
ChenZirui 15:7ca2d1b2bd0e 14 // 2 random direction
ChenZirui 5:7207c9b70108 15 if (direction == 0) {
ChenZirui 5:7207c9b70108 16 _velocity.x = speed;
ChenZirui 7:f61ac963eb07 17 _velocity.y = -speed;
ChenZirui 5:7207c9b70108 18 } else if (direction == 1) {
ChenZirui 5:7207c9b70108 19 _velocity.x = -speed;
ChenZirui 5:7207c9b70108 20 _velocity.y = -speed;
ChenZirui 7:f61ac963eb07 21 }
ChenZirui 5:7207c9b70108 22 }
ChenZirui 5:7207c9b70108 23
ChenZirui 15:7ca2d1b2bd0e 24 void Bullet::draw(N5110 &lcd) // bullet drawing function
ChenZirui 5:7207c9b70108 25 {
ChenZirui 5:7207c9b70108 26 lcd.drawRect(_x,_y,_size,_size,FILL_BLACK);
ChenZirui 5:7207c9b70108 27 }
ChenZirui 5:7207c9b70108 28
ChenZirui 15:7ca2d1b2bd0e 29 void Bullet::update(N5110 &lcd) // bullet updating
ChenZirui 5:7207c9b70108 30 {
ChenZirui 5:7207c9b70108 31 _x += _velocity.x;
ChenZirui 5:7207c9b70108 32 _y += _velocity.y;
ChenZirui 15:7ca2d1b2bd0e 33
ChenZirui 5:7207c9b70108 34 }
ChenZirui 15:7ca2d1b2bd0e 35 void Bullet::set_velocity(Vector2D v) //bullet velocity setting
ChenZirui 5:7207c9b70108 36 {
ChenZirui 5:7207c9b70108 37 _velocity.x = v.x;
ChenZirui 5:7207c9b70108 38 _velocity.y = v.y;
ChenZirui 5:7207c9b70108 39 }
ChenZirui 5:7207c9b70108 40
ChenZirui 15:7ca2d1b2bd0e 41 Vector2D Bullet::get_velocity() //bullet velocity reading
ChenZirui 5:7207c9b70108 42 {
ChenZirui 5:7207c9b70108 43 Vector2D v = {_velocity.x,_velocity.y};
ChenZirui 5:7207c9b70108 44 return v;
ChenZirui 5:7207c9b70108 45 }
ChenZirui 5:7207c9b70108 46
ChenZirui 15:7ca2d1b2bd0e 47 Vector2D Bullet::get_pos() //bullet position reading
ChenZirui 5:7207c9b70108 48 {
ChenZirui 5:7207c9b70108 49 Vector2D p = {_x,_y};
ChenZirui 5:7207c9b70108 50 return p;
ChenZirui 5:7207c9b70108 51 }
ChenZirui 5:7207c9b70108 52
ChenZirui 15:7ca2d1b2bd0e 53 void Bullet::set_pos(Vector2D p) // bullet position setting
ChenZirui 5:7207c9b70108 54 {
ChenZirui 5:7207c9b70108 55 _x = p.x;
ChenZirui 5:7207c9b70108 56 _y = p.y;
ChenZirui 5:7207c9b70108 57 }