ELEC2645 (2019/20)
Helios Lyons 201239214
Dependencies: mbed
Brief
My aim for this project was to create a FRDM K64F adapted version of the classic Space Invaders by Tomohiro Nishikado. The game itself has a number of clear features to implement;
- Left to right movement for the player 'canon'
- A fixed amount of player lives
- Firing mechanics for both canon and invaders (hence collision systems)
- Random firing from remaining invaders
- Wave based combat
My own addition to these established ideas was Boss waves, featuring a single, larger sprite which fires at a faster interval than previous waves. The addition of a movement system using a basic for loop, as opposed to a velocity based system, will enhance the nostalgic feel of the game.
Gameplay
Movement is controlled with the joystick, moving the canon left or right. Fire by pressing A. Invaders spawn at set positions, but randomly fire at a set interval, which is higher for boss waves. Time is taken during each wave, and displayed at wave intervals, and if the play wins.
Controls are shown on the Gamepad below: (attribution: Craig A. Evans, ELEC2645 University of Leeds)
Diff: Invaders/Invader.h
- Revision:
- 11:1fd8fca23375
- Parent:
- 10:19b250c7de5e
--- a/Invaders/Invader.h Mon May 18 18:14:35 2020 +0000
+++ b/Invaders/Invader.h Wed May 27 05:07:34 2020 +0000
@@ -6,7 +6,7 @@
#include "Gamepad.h"
/** Invader.h
-* @brief Defines variables and methods for the Invader.
+* @brief Defines variables and methods for the Invader object
* @author Helios A. Lyons
* @date April, 2020
*/
@@ -14,24 +14,57 @@
class Invader
{
public:
-
+ /** Constructor */
Invader();
+ /** Destructor */
~Invader();
- void init(int sprite, int hitpoints);
+ /** Initialises variables
+ * @param value for sprite, hitpoints and boss (int)
+ */
+ void init(int sprite, int hitpoints, int boss);
+
+ /** Draws contents to LCD
+ * @param bitmap and position values (bit, int)
+ */
void draw(N5110 &lcd);
+
+ /** Gets sprite value
+ * @return sprite value (int)
+ */
int get_sprite();
+ /** Decrement hitpoints
+ * @return a decremented value for hitpoints
+ */
int hit();
+
+ /** Returns death
+ * @return boolean for death state
+ */
bool get_death();
+ /** Gets position
+ * @return current position (Vector2D)
+ */
Vector2D get_pos();
- int get_x_pos();
- int get_y_pos();
+ /** Gets width
+ * @return width of sprite (int)
+ */
+ int get_width();
+ /** Gets height
+ * @return height of sprite (int)
+ */
+ int get_height();
+
+ /** Sets position
+ * @param sets position based on x and y inputs (int)
+ */
void set_pos(int x, int y);
+ int _speed;
private:
@@ -42,6 +75,9 @@
int _hitpoints;
bool _death;
int _sprite;
+
+ Vector2D _velocity;
+
};
#endif
\ No newline at end of file