Projectile Library
Projectile.cpp@11:aa2ca5b358fe, 2017-05-04 (annotated)
- Committer:
- ll14c4p
- Date:
- Thu May 04 11:36:22 2017 +0000
- Revision:
- 11:aa2ca5b358fe
- Parent:
- 9:64ba68ae2640
+Deoxygen
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ll14c4p | 0:6914458c54cd | 1 | #include "Projectile.h" |
ll14c4p | 1:2aee0cb1ebf9 | 2 | #include "Player.h" |
ll14c4p | 0:6914458c54cd | 3 | |
ll14c4p | 0:6914458c54cd | 4 | Projectile::Projectile() |
ll14c4p | 0:6914458c54cd | 5 | { |
ll14c4p | 0:6914458c54cd | 6 | |
ll14c4p | 0:6914458c54cd | 7 | } |
ll14c4p | 0:6914458c54cd | 8 | |
ll14c4p | 0:6914458c54cd | 9 | Projectile::~Projectile() |
ll14c4p | 0:6914458c54cd | 10 | { |
ll14c4p | 0:6914458c54cd | 11 | |
ll14c4p | 1:2aee0cb1ebf9 | 12 | } |
ll14c4p | 1:2aee0cb1ebf9 | 13 | |
ll14c4p | 9:64ba68ae2640 | 14 | //Obtains the player position coordinates in the initialisation stage. |
ll14c4p | 4:977109f7b9f6 | 15 | void Projectile::init(int playerx, int playery) |
ll14c4p | 1:2aee0cb1ebf9 | 16 | { |
ll14c4p | 6:70b35ebfa8c8 | 17 | //printf("playerxy proj = %d %d \n", playerx, playery); |
ll14c4p | 4:977109f7b9f6 | 18 | _playerx = playerx; |
ll14c4p | 4:977109f7b9f6 | 19 | _playery = playery; |
ll14c4p | 1:2aee0cb1ebf9 | 20 | //Make intial position of projectile = centre of player |
ll14c4p | 3:70c599d9f191 | 21 | |
ll14c4p | 1:2aee0cb1ebf9 | 22 | } |
ll14c4p | 1:2aee0cb1ebf9 | 23 | |
ll14c4p | 3:70c599d9f191 | 24 | |
ll14c4p | 3:70c599d9f191 | 25 | |
ll14c4p | 1:2aee0cb1ebf9 | 26 | void Projectile::draw(N5110 &lcd) |
ll14c4p | 3:70c599d9f191 | 27 | { |
ll14c4p | 9:64ba68ae2640 | 28 | _velocity.x = 0; //Projectile doesn't move sideways. |
ll14c4p | 9:64ba68ae2640 | 29 | _velocity.y = -7; //Projectile moves upwards on screen. |
ll14c4p | 3:70c599d9f191 | 30 | |
ll14c4p | 4:977109f7b9f6 | 31 | |
ll14c4p | 6:70b35ebfa8c8 | 32 | //printf("playerxy projdraw = %d %d \n", _playerx, _playery); |
ll14c4p | 3:70c599d9f191 | 33 | |
ll14c4p | 3:70c599d9f191 | 34 | |
ll14c4p | 9:64ba68ae2640 | 35 | //Resets projectile if it reaches the top of the screen. |
ll14c4p | 3:70c599d9f191 | 36 | if(_y <= -1){ |
ll14c4p | 3:70c599d9f191 | 37 | m = 0; |
ll14c4p | 3:70c599d9f191 | 38 | } |
ll14c4p | 7:50b6d2c95156 | 39 | |
ll14c4p | 9:64ba68ae2640 | 40 | //Sets projectile spawn location onto the player sprite. |
ll14c4p | 3:70c599d9f191 | 41 | if(m == 0){ |
ll14c4p | 8:36610092060f | 42 | _x = _playerx +2; |
ll14c4p | 8:36610092060f | 43 | _y = _playery; |
ll14c4p | 3:70c599d9f191 | 44 | m = m+1; |
ll14c4p | 3:70c599d9f191 | 45 | } |
ll14c4p | 9:64ba68ae2640 | 46 | lcd.drawRect(_x,_y,2,2,FILL_BLACK); //Projectile is a 2x2 square. |
ll14c4p | 6:70b35ebfa8c8 | 47 | //printf("projdrawn %d %d \n", _x, _y); |
ll14c4p | 4:977109f7b9f6 | 48 | //printf("playerpos in proj = %d %d \n", playerx, playery); |
ll14c4p | 3:70c599d9f191 | 49 | |
ll14c4p | 1:2aee0cb1ebf9 | 50 | } |
ll14c4p | 1:2aee0cb1ebf9 | 51 | |
ll14c4p | 9:64ba68ae2640 | 52 | void Projectile::update() //Updates projectile on screen. |
ll14c4p | 1:2aee0cb1ebf9 | 53 | { |
ll14c4p | 1:2aee0cb1ebf9 | 54 | _x += _velocity.x; |
ll14c4p | 1:2aee0cb1ebf9 | 55 | _y += _velocity.y; |
ll14c4p | 1:2aee0cb1ebf9 | 56 | } |
ll14c4p | 1:2aee0cb1ebf9 | 57 | |
ll14c4p | 9:64ba68ae2640 | 58 | |
ll14c4p | 1:2aee0cb1ebf9 | 59 | |
ll14c4p | 9:64ba68ae2640 | 60 | Vector2D Projectile::get_pos() //Obtains the position of the projectile, used to check if a collision occurs. |
ll14c4p | 1:2aee0cb1ebf9 | 61 | { |
ll14c4p | 3:70c599d9f191 | 62 | Vector2D projpos = {_x,_y}; |
ll14c4p | 4:977109f7b9f6 | 63 | //printf("projpos = %f %f \n", projpos.x, projpos.y); |
ll14c4p | 3:70c599d9f191 | 64 | return projpos; |
ll14c4p | 6:70b35ebfa8c8 | 65 | } |
ll14c4p | 6:70b35ebfa8c8 | 66 | |
ll14c4p | 9:64ba68ae2640 | 67 | void Projectile::set_pos(Vector2D p) //Used to update the projectile location after colliding with another object. |
ll14c4p | 6:70b35ebfa8c8 | 68 | { |
ll14c4p | 6:70b35ebfa8c8 | 69 | _x = p.x; |
ll14c4p | 6:70b35ebfa8c8 | 70 | _y = p.y; |
ll14c4p | 0:6914458c54cd | 71 | } |