Space Invaders - Embedded Systems Project 15/16 - Avinash Patel 200860407
Dependencies: Joystick N5110 SDFileSystem mbed
main.cpp@4:a99953ef9e42, 2016-03-31 (annotated)
- Committer:
- avi23
- Date:
- Thu Mar 31 16:03:26 2016 +0000
- Revision:
- 4:a99953ef9e42
- Parent:
- 3:544b59d60ab8
- Child:
- 5:34855f712350
Before 3 state invader condition
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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avi23 | 1:b300d052d549 | 1 | /* |
avi23 | 1:b300d052d549 | 2 | Space Invaders - Avinash Patel 200860407 |
avi23 | 1:b300d052d549 | 3 | |
avi23 | 1:b300d052d549 | 4 | Week 19 - Set up joystick class |
avi23 | 1:b300d052d549 | 5 | Week 20 - Changed to space invaders as constrained too much by screen resolution |
avi23 | 1:b300d052d549 | 6 | - Core cannon is drawn and can move, enemies are visible and they switch between states every second |
avi23 | 2:d34c95990605 | 7 | Week 21 - Begun to set up barriers |
avi23 | 1:b300d052d549 | 8 | */ |
avi23 | 0:427469992efe | 9 | #include "mbed.h" |
avi23 | 0:427469992efe | 10 | #include "N5110.h" |
avi23 | 0:427469992efe | 11 | |
avi23 | 2:d34c95990605 | 12 | //Direction invaders are travelling |
avi23 | 2:d34c95990605 | 13 | #define LEFT 0 |
avi23 | 2:d34c95990605 | 14 | #define RIGHT 1 |
avi23 | 2:d34c95990605 | 15 | |
avi23 | 2:d34c95990605 | 16 | //Preprocessor for screen map |
avi23 | 4:a99953ef9e42 | 17 | /* |
avi23 | 0:427469992efe | 18 | #define EMPTY 0 |
avi23 | 2:d34c95990605 | 19 | #define CANNON 1 |
avi23 | 2:d34c95990605 | 20 | #define SMALL 2 |
avi23 | 2:d34c95990605 | 21 | #define MEDIUM 3 |
avi23 | 2:d34c95990605 | 22 | #define LARGE 4 |
avi23 | 2:d34c95990605 | 23 | #define BARRIER 5 |
avi23 | 2:d34c95990605 | 24 | #define UFO 6 |
avi23 | 2:d34c95990605 | 25 | #define CANNON_SHOT 7 |
avi23 | 4:a99953ef9e42 | 26 | */ |
avi23 | 0:427469992efe | 27 | |
avi23 | 0:427469992efe | 28 | //Joystick Class |
avi23 | 0:427469992efe | 29 | class Joystick |
avi23 | 0:427469992efe | 30 | { |
avi23 | 0:427469992efe | 31 | public: |
avi23 | 0:427469992efe | 32 | Joystick(PinName x_axis_pin, PinName y_axis_pin, PinName button_pin) { |
avi23 | 0:427469992efe | 33 | //Dynamically allocates the pins |
avi23 | 0:427469992efe | 34 | x_axis_ = new AnalogIn(x_axis_pin); |
avi23 | 0:427469992efe | 35 | y_axis_ = new AnalogIn(y_axis_pin); |
avi23 | 0:427469992efe | 36 | button_ = new InterruptIn(button_pin); |
avi23 | 0:427469992efe | 37 | } |
avi23 | 0:427469992efe | 38 | |
avi23 | 0:427469992efe | 39 | //Initalises the Joystick |
avi23 | 0:427469992efe | 40 | //Sets up the ISRs and grabs the offsets for each axis |
avi23 | 0:427469992efe | 41 | void init() { |
avi23 | 0:427469992efe | 42 | //Sets up the button ISR |
avi23 | 0:427469992efe | 43 | button_->mode(PullUp); |
avi23 | 0:427469992efe | 44 | button_->fall(this, &Joystick::button_isr); |
avi23 | 0:427469992efe | 45 | |
avi23 | 0:427469992efe | 46 | //Initalises the vairables and flags |
avi23 | 0:427469992efe | 47 | x_offset_ = 0; |
avi23 | 0:427469992efe | 48 | y_offset_ = 0; |
avi23 | 0:427469992efe | 49 | g_button_flag_ = 0; |
avi23 | 0:427469992efe | 50 | |
avi23 | 0:427469992efe | 51 | //Samples the joystick 5 times and takes an average to get the offset |
avi23 | 0:427469992efe | 52 | float x_sum = 0; |
avi23 | 0:427469992efe | 53 | float y_sum = 0; |
avi23 | 0:427469992efe | 54 | |
avi23 | 0:427469992efe | 55 | for (int i = 0; i < 5; i++) { |
avi23 | 0:427469992efe | 56 | x_sum += x_axis_->read(); |
avi23 | 0:427469992efe | 57 | y_sum += y_axis_->read(); |
avi23 | 0:427469992efe | 58 | } |
avi23 | 0:427469992efe | 59 | |
avi23 | 0:427469992efe | 60 | x_offset_ = 0.5f - x_sum/5.0f; |
avi23 | 0:427469992efe | 61 | y_offset_ = 0.5f - y_sum/5.0f; |
avi23 | 0:427469992efe | 62 | } |
avi23 | 0:427469992efe | 63 | |
avi23 | 0:427469992efe | 64 | //Take 5 readings and returns the average measurement, accounting for joystick offset x and y values |
avi23 | 0:427469992efe | 65 | float GetXValue() { |
avi23 | 0:427469992efe | 66 | |
avi23 | 0:427469992efe | 67 | float x_sum = 0; |
avi23 | 0:427469992efe | 68 | |
avi23 | 0:427469992efe | 69 | for (int i = 0; i < 5; i++) { |
avi23 | 0:427469992efe | 70 | x_sum += x_axis_->read(); |
avi23 | 0:427469992efe | 71 | } |
avi23 | 0:427469992efe | 72 | |
avi23 | 0:427469992efe | 73 | float x_value = x_sum/5.0f + x_offset_; |
avi23 | 0:427469992efe | 74 | |
avi23 | 0:427469992efe | 75 | //Caps the value for the POT between 0 and 1 |
avi23 | 0:427469992efe | 76 | if (x_value < 0.0f) { |
avi23 | 0:427469992efe | 77 | return 0; |
avi23 | 0:427469992efe | 78 | } else if (x_value > 1.0f) { |
avi23 | 0:427469992efe | 79 | return 1; |
avi23 | 0:427469992efe | 80 | } else { |
avi23 | 0:427469992efe | 81 | return x_value; |
avi23 | 0:427469992efe | 82 | } |
avi23 | 0:427469992efe | 83 | } |
avi23 | 0:427469992efe | 84 | |
avi23 | 0:427469992efe | 85 | float GetYValue() { |
avi23 | 0:427469992efe | 86 | |
avi23 | 0:427469992efe | 87 | float y_sum = 0; |
avi23 | 0:427469992efe | 88 | |
avi23 | 0:427469992efe | 89 | for (int i = 0; i < 5; i++) { |
avi23 | 0:427469992efe | 90 | y_sum += y_axis_->read(); |
avi23 | 0:427469992efe | 91 | } |
avi23 | 0:427469992efe | 92 | |
avi23 | 0:427469992efe | 93 | float y_value = y_sum/5.0f + y_offset_; |
avi23 | 0:427469992efe | 94 | |
avi23 | 0:427469992efe | 95 | //Caps the value for the POT between 0 and 1 |
avi23 | 0:427469992efe | 96 | if (y_value < 0.0f) { |
avi23 | 0:427469992efe | 97 | return 0; |
avi23 | 0:427469992efe | 98 | } else if (y_value > 1.0f) { |
avi23 | 0:427469992efe | 99 | return 1; |
avi23 | 0:427469992efe | 100 | } else { |
avi23 | 0:427469992efe | 101 | return y_value; |
avi23 | 0:427469992efe | 102 | } |
avi23 | 0:427469992efe | 103 | } |
avi23 | 0:427469992efe | 104 | |
avi23 | 0:427469992efe | 105 | //Getter and setters for flags |
avi23 | 0:427469992efe | 106 | int get_button_flag() { |
avi23 | 0:427469992efe | 107 | return g_button_flag_; |
avi23 | 0:427469992efe | 108 | } |
avi23 | 0:427469992efe | 109 | |
avi23 | 0:427469992efe | 110 | void set_button_flag(int value) { |
avi23 | 0:427469992efe | 111 | g_button_flag_ = value; |
avi23 | 0:427469992efe | 112 | } |
avi23 | 0:427469992efe | 113 | |
avi23 | 0:427469992efe | 114 | private: |
avi23 | 0:427469992efe | 115 | //Button ISR Method |
avi23 | 0:427469992efe | 116 | void button_isr() { |
avi23 | 0:427469992efe | 117 | g_button_flag_ = 1; |
avi23 | 0:427469992efe | 118 | } |
avi23 | 0:427469992efe | 119 | |
avi23 | 0:427469992efe | 120 | private: |
avi23 | 0:427469992efe | 121 | //Pin inputs |
avi23 | 0:427469992efe | 122 | AnalogIn* x_axis_; |
avi23 | 0:427469992efe | 123 | AnalogIn* y_axis_; |
avi23 | 0:427469992efe | 124 | InterruptIn* button_; |
avi23 | 0:427469992efe | 125 | |
avi23 | 0:427469992efe | 126 | //Stores X and Y offsets |
avi23 | 0:427469992efe | 127 | float x_offset_; |
avi23 | 0:427469992efe | 128 | float y_offset_; |
avi23 | 0:427469992efe | 129 | |
avi23 | 0:427469992efe | 130 | //Stores interrupt flags |
avi23 | 0:427469992efe | 131 | volatile int g_button_flag_; |
avi23 | 0:427469992efe | 132 | }; |
avi23 | 0:427469992efe | 133 | |
avi23 | 0:427469992efe | 134 | // K64F on-board LEDs |
avi23 | 0:427469992efe | 135 | DigitalOut r_led(LED_RED); |
avi23 | 0:427469992efe | 136 | DigitalOut g_led(LED_GREEN); |
avi23 | 0:427469992efe | 137 | DigitalOut b_led(LED_BLUE); |
avi23 | 0:427469992efe | 138 | |
avi23 | 0:427469992efe | 139 | // K64F on-board switches |
avi23 | 0:427469992efe | 140 | InterruptIn sw2(SW2); |
avi23 | 0:427469992efe | 141 | InterruptIn sw3(SW3); |
avi23 | 0:427469992efe | 142 | |
avi23 | 0:427469992efe | 143 | // UART connection for PC |
avi23 | 0:427469992efe | 144 | Serial pc(USBTX,USBRX); |
avi23 | 0:427469992efe | 145 | |
avi23 | 0:427469992efe | 146 | //Joystick |
avi23 | 2:d34c95990605 | 147 | Joystick joystick(PTB2, PTB3, PTB11); |
avi23 | 2:d34c95990605 | 148 | |
avi23 | 2:d34c95990605 | 149 | //Shoot button |
avi23 | 2:d34c95990605 | 150 | InterruptIn shoot_button(PTB18); |
avi23 | 0:427469992efe | 151 | |
avi23 | 0:427469992efe | 152 | //LCD object |
avi23 | 0:427469992efe | 153 | // VCC, SCE, RST, D/C, MOSI, SCLK, LED |
avi23 | 0:427469992efe | 154 | N5110 lcd (PTE26 , PTA0 , PTC4 , PTD0 , PTD2 , PTD1 , PTC3); |
avi23 | 2:d34c95990605 | 155 | Ticker update_screen; |
avi23 | 2:d34c95990605 | 156 | |
avi23 | 2:d34c95990605 | 157 | //Map holding pixel data of screen |
avi23 | 4:a99953ef9e42 | 158 | int screen_map[84][48]; |
avi23 | 4:a99953ef9e42 | 159 | const int empty_pixel = 0; |
avi23 | 4:a99953ef9e42 | 160 | const int cannon_pixel = 1; |
avi23 | 4:a99953ef9e42 | 161 | const int first_barrier_pixel = 2; |
avi23 | 4:a99953ef9e42 | 162 | const int first_large_invader_pixel = 5; |
avi23 | 4:a99953ef9e42 | 163 | const int first_medium_invader_pixel = 10; |
avi23 | 4:a99953ef9e42 | 164 | const int first_small_invader_pixel = 15; |
avi23 | 4:a99953ef9e42 | 165 | const int ufo_pixel = 20; |
avi23 | 4:a99953ef9e42 | 166 | const int cannon_shot_pixel = 21; |
avi23 | 0:427469992efe | 167 | |
avi23 | 0:427469992efe | 168 | //Ship bit-map and location |
avi23 | 1:b300d052d549 | 169 | int cannon_xpos = 24; |
avi23 | 1:b300d052d549 | 170 | const int cannon_ypos = 43; |
avi23 | 1:b300d052d549 | 171 | Ticker move_cannon; |
avi23 | 1:b300d052d549 | 172 | const bool cannon_bitmap[5][9] = { |
avi23 | 0:427469992efe | 173 | {0, 0, 0, 0, 1, 0, 0, 0, 0}, |
avi23 | 0:427469992efe | 174 | {0, 0, 0, 1, 1, 1, 0, 0, 0}, |
avi23 | 0:427469992efe | 175 | {0, 1, 1, 1, 1, 1, 1, 1, 0}, |
avi23 | 0:427469992efe | 176 | {1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 0:427469992efe | 177 | {1, 1, 1, 1, 1, 1, 1, 1, 1} |
avi23 | 0:427469992efe | 178 | }; |
avi23 | 0:427469992efe | 179 | |
avi23 | 2:d34c95990605 | 180 | Ticker move_cannon_shot; |
avi23 | 2:d34c95990605 | 181 | bool cannon_shot_on_screen = false; |
avi23 | 2:d34c95990605 | 182 | int cannon_shot_x_pos = 28; |
avi23 | 2:d34c95990605 | 183 | int cannon_shot_y_pos = 40; |
avi23 | 2:d34c95990605 | 184 | bool game_over = false; |
avi23 | 2:d34c95990605 | 185 | |
avi23 | 0:427469992efe | 186 | //Enemies |
avi23 | 0:427469992efe | 187 | Ticker move_enemies; |
avi23 | 2:d34c95990605 | 188 | bool invaders_in_state2 = true; |
avi23 | 2:d34c95990605 | 189 | bool invader_direction = RIGHT; |
avi23 | 1:b300d052d549 | 190 | //Struct to store enemy data |
avi23 | 2:d34c95990605 | 191 | struct Invaders { |
avi23 | 0:427469992efe | 192 | int x_pos; |
avi23 | 0:427469992efe | 193 | int y_pos; |
avi23 | 0:427469992efe | 194 | bool is_alive; |
avi23 | 2:d34c95990605 | 195 | } small_invader[5], medium_invader[5], large_invader[5]; |
avi23 | 2:d34c95990605 | 196 | int right_column_alive = 4; |
avi23 | 2:d34c95990605 | 197 | int left_column_alive = 0; |
avi23 | 2:d34c95990605 | 198 | enum LowestInvaderRow {small, medium, large}; |
avi23 | 2:d34c95990605 | 199 | LowestInvaderRow lowest_invader_row_alive = large; |
avi23 | 2:d34c95990605 | 200 | //Limits the first invader can travel |
avi23 | 2:d34c95990605 | 201 | int minimum_invader_x_pos = 0; |
avi23 | 2:d34c95990605 | 202 | int maximum_invader_x_pos = 20; |
avi23 | 1:b300d052d549 | 203 | //Bitmaps for small invaders |
avi23 | 0:427469992efe | 204 | const bool small_invader_bitmap_1[6][8] = { |
avi23 | 0:427469992efe | 205 | {0, 0, 0, 1, 1, 0, 0, 0}, |
avi23 | 0:427469992efe | 206 | {0, 1, 1, 1, 1, 1, 1, 0}, |
avi23 | 0:427469992efe | 207 | {1, 1, 0, 1, 1, 0, 1, 1}, |
avi23 | 0:427469992efe | 208 | {1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 0:427469992efe | 209 | {0, 1, 0, 1, 1, 0, 1, 0}, |
avi23 | 0:427469992efe | 210 | {1, 0, 1, 0, 0, 1, 0, 1} |
avi23 | 0:427469992efe | 211 | }; |
avi23 | 0:427469992efe | 212 | |
avi23 | 0:427469992efe | 213 | const bool small_invader_bitmap_2[6][8] = { |
avi23 | 0:427469992efe | 214 | {0, 0, 0, 1, 1, 0, 0, 0}, |
avi23 | 0:427469992efe | 215 | {0, 1, 1, 1, 1, 1, 1, 0}, |
avi23 | 0:427469992efe | 216 | {1, 1, 0, 1, 1, 0, 1, 1}, |
avi23 | 0:427469992efe | 217 | {1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 0:427469992efe | 218 | {1, 0, 0, 0, 0, 0, 0, 1}, |
avi23 | 0:427469992efe | 219 | {0, 1, 0, 0, 0, 0, 1, 0} |
avi23 | 0:427469992efe | 220 | }; |
avi23 | 1:b300d052d549 | 221 | //Bitmaps for medium invaders |
avi23 | 1:b300d052d549 | 222 | const bool medium_invader_bitmap_1[6][10] = { |
avi23 | 1:b300d052d549 | 223 | {1, 0, 0, 1, 0, 0, 1, 0, 0, 1}, |
avi23 | 1:b300d052d549 | 224 | {1, 0, 1, 1, 1, 1, 1, 1, 0, 1}, |
avi23 | 1:b300d052d549 | 225 | {1, 1, 1, 0, 1, 1, 0, 1, 1, 1}, |
avi23 | 1:b300d052d549 | 226 | {0, 1, 1, 1, 1, 1, 1, 1, 1, 0}, |
avi23 | 1:b300d052d549 | 227 | {0, 0, 1, 0, 0, 0, 0, 1, 0, 0}, |
avi23 | 1:b300d052d549 | 228 | {0, 1, 0, 0, 0, 0, 0, 0, 1, 0} |
avi23 | 1:b300d052d549 | 229 | }; |
avi23 | 1:b300d052d549 | 230 | |
avi23 | 1:b300d052d549 | 231 | const bool medium_invader_bitmap_2[6][10] = { |
avi23 | 1:b300d052d549 | 232 | {0, 0, 0, 1, 0, 0, 1, 0, 0, 0}, |
avi23 | 1:b300d052d549 | 233 | {0, 0, 1, 1, 1, 1, 1, 1, 0, 0}, |
avi23 | 1:b300d052d549 | 234 | {0, 1, 1, 0, 1, 1, 0, 1, 1, 0}, |
avi23 | 1:b300d052d549 | 235 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 1:b300d052d549 | 236 | {1, 0, 1, 0, 0, 0, 0, 1, 0, 1}, |
avi23 | 1:b300d052d549 | 237 | {0, 0, 0, 1, 1, 1, 1, 0, 0, 0} |
avi23 | 1:b300d052d549 | 238 | }; |
avi23 | 1:b300d052d549 | 239 | //Bitmaps for large invaders |
avi23 | 1:b300d052d549 | 240 | const bool large_invader_bitmap_1[6][12] = { |
avi23 | 2:d34c95990605 | 241 | {0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0}, |
avi23 | 1:b300d052d549 | 242 | {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0}, |
avi23 | 1:b300d052d549 | 243 | {1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1}, |
avi23 | 1:b300d052d549 | 244 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 1:b300d052d549 | 245 | {0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0}, |
avi23 | 1:b300d052d549 | 246 | {0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0} |
avi23 | 1:b300d052d549 | 247 | }; |
avi23 | 1:b300d052d549 | 248 | |
avi23 | 1:b300d052d549 | 249 | const bool large_invader_bitmap_2[6][12] = { |
avi23 | 2:d34c95990605 | 250 | {0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0}, |
avi23 | 1:b300d052d549 | 251 | {0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0}, |
avi23 | 1:b300d052d549 | 252 | {1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1}, |
avi23 | 1:b300d052d549 | 253 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 1:b300d052d549 | 254 | {0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0}, |
avi23 | 1:b300d052d549 | 255 | {1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1} |
avi23 | 1:b300d052d549 | 256 | }; |
avi23 | 1:b300d052d549 | 257 | |
avi23 | 2:d34c95990605 | 258 | //Barriers |
avi23 | 2:d34c95990605 | 259 | struct Barriers { |
avi23 | 2:d34c95990605 | 260 | int x_pos; |
avi23 | 2:d34c95990605 | 261 | int y_pos; |
avi23 | 2:d34c95990605 | 262 | bool before_bitmap[8][14]; |
avi23 | 2:d34c95990605 | 263 | bool after_bitmap[8][14]; |
avi23 | 2:d34c95990605 | 264 | } barrier[3]; |
avi23 | 2:d34c95990605 | 265 | int no_of_barriers = 3; |
avi23 | 2:d34c95990605 | 266 | const bool barrier_bitmap[8][14] = { |
avi23 | 2:d34c95990605 | 267 | {0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0}, |
avi23 | 2:d34c95990605 | 268 | {0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0}, |
avi23 | 2:d34c95990605 | 269 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 2:d34c95990605 | 270 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 2:d34c95990605 | 271 | {1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1}, |
avi23 | 2:d34c95990605 | 272 | {1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1}, |
avi23 | 2:d34c95990605 | 273 | {1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1}, |
avi23 | 2:d34c95990605 | 274 | {1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1} |
avi23 | 2:d34c95990605 | 275 | }; |
avi23 | 2:d34c95990605 | 276 | |
avi23 | 2:d34c95990605 | 277 | //TEST FOR SPEC UFO |
avi23 | 2:d34c95990605 | 278 | const bool ufo_bitmap[5][14] = { |
avi23 | 2:d34c95990605 | 279 | {0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0}, |
avi23 | 2:d34c95990605 | 280 | {0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0}, |
avi23 | 2:d34c95990605 | 281 | {0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0}, |
avi23 | 2:d34c95990605 | 282 | {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, |
avi23 | 2:d34c95990605 | 283 | {0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0} |
avi23 | 2:d34c95990605 | 284 | }; |
avi23 | 2:d34c95990605 | 285 | |
avi23 | 2:d34c95990605 | 286 | int row_no = 5; |
avi23 | 2:d34c95990605 | 287 | int col_no = 14; |
avi23 | 0:427469992efe | 288 | |
avi23 | 0:427469992efe | 289 | //ISR Flags |
avi23 | 2:d34c95990605 | 290 | volatile bool g_update_screen_flag = true; |
avi23 | 2:d34c95990605 | 291 | volatile bool g_move_cannon_flag = true; |
avi23 | 2:d34c95990605 | 292 | volatile bool g_shoot_pressed_flag = false; |
avi23 | 2:d34c95990605 | 293 | volatile bool g_move_cannon_shot_flag = false; |
avi23 | 0:427469992efe | 294 | volatile bool g_move_enemies_flag = true; |
avi23 | 0:427469992efe | 295 | |
avi23 | 0:427469992efe | 296 | // function prototypes |
avi23 | 0:427469992efe | 297 | // error function hangs flashing an LED |
avi23 | 0:427469992efe | 298 | void error(); |
avi23 | 0:427469992efe | 299 | // setup serial port |
avi23 | 0:427469992efe | 300 | void init_serial(); |
avi23 | 0:427469992efe | 301 | // set-up the on-board LEDs and switches |
avi23 | 0:427469992efe | 302 | void init_K64F(); |
avi23 | 2:d34c95990605 | 303 | //Init shoot button |
avi23 | 2:d34c95990605 | 304 | void init_shoot(); |
avi23 | 0:427469992efe | 305 | // Added functions |
avi23 | 2:d34c95990605 | 306 | void MoveCannon(); |
avi23 | 0:427469992efe | 307 | void InitSmallInvaders(); |
avi23 | 2:d34c95990605 | 308 | void ClearSmallInvaders(); |
avi23 | 0:427469992efe | 309 | void DrawSmallInvaders(); |
avi23 | 2:d34c95990605 | 310 | void ClearMediumInvaders(); |
avi23 | 1:b300d052d549 | 311 | void InitMediumInvaders(); |
avi23 | 1:b300d052d549 | 312 | void DrawMediumInvaders(); |
avi23 | 1:b300d052d549 | 313 | void InitLargeInvaders(); |
avi23 | 2:d34c95990605 | 314 | void CLearLargeInvaders(); |
avi23 | 1:b300d052d549 | 315 | void DrawLargeInvaders(); |
avi23 | 2:d34c95990605 | 316 | void InitBarriers(); |
avi23 | 2:d34c95990605 | 317 | void DrawBarriers(); |
avi23 | 2:d34c95990605 | 318 | void ShiftInvaderXPositions(); |
avi23 | 2:d34c95990605 | 319 | void ShiftInvaderYPositions(bool new_direction); |
avi23 | 2:d34c95990605 | 320 | //void InitUFO(); |
avi23 | 2:d34c95990605 | 321 | void DrawUFO(); |
avi23 | 2:d34c95990605 | 322 | //void DrawEnemies(struct Invaders invader[], int no_of_invaders); |
avi23 | 2:d34c95990605 | 323 | |
avi23 | 0:427469992efe | 324 | //ISR's |
avi23 | 2:d34c95990605 | 325 | void update_screen_isr(); |
avi23 | 2:d34c95990605 | 326 | void move_cannon_isr(); |
avi23 | 0:427469992efe | 327 | void move_enemies_isr(); |
avi23 | 2:d34c95990605 | 328 | void shoot_pressed_isr(); |
avi23 | 2:d34c95990605 | 329 | void move_cannon_shot_isr(); |
avi23 | 0:427469992efe | 330 | |
avi23 | 2:d34c95990605 | 331 | int down_count = 0; |
avi23 | 0:427469992efe | 332 | |
avi23 | 0:427469992efe | 333 | int main() |
avi23 | 0:427469992efe | 334 | { |
avi23 | 0:427469992efe | 335 | //Initalises the board and perhiperals |
avi23 | 0:427469992efe | 336 | init_K64F(); |
avi23 | 0:427469992efe | 337 | init_serial(); |
avi23 | 2:d34c95990605 | 338 | init_shoot(); |
avi23 | 0:427469992efe | 339 | lcd.init(); |
avi23 | 0:427469992efe | 340 | lcd.clear(); |
avi23 | 0:427469992efe | 341 | |
avi23 | 2:d34c95990605 | 342 | update_screen.attach(&update_screen_isr, 0.05); |
avi23 | 2:d34c95990605 | 343 | move_cannon.attach(&move_cannon_isr, 0.05); |
avi23 | 4:a99953ef9e42 | 344 | move_enemies.attach(&move_enemies_isr, 0.5); |
avi23 | 0:427469992efe | 345 | |
avi23 | 0:427469992efe | 346 | InitSmallInvaders(); |
avi23 | 1:b300d052d549 | 347 | InitMediumInvaders(); |
avi23 | 1:b300d052d549 | 348 | InitLargeInvaders(); |
avi23 | 2:d34c95990605 | 349 | InitBarriers(); |
avi23 | 1:b300d052d549 | 350 | |
avi23 | 2:d34c95990605 | 351 | lcd.refresh(); |
avi23 | 2:d34c95990605 | 352 | |
avi23 | 2:d34c95990605 | 353 | while (true) { |
avi23 | 2:d34c95990605 | 354 | //IF the game is over detach all the tickers |
avi23 | 2:d34c95990605 | 355 | if (game_over) { |
avi23 | 2:d34c95990605 | 356 | move_cannon.detach(); |
avi23 | 2:d34c95990605 | 357 | move_enemies.detach(); |
avi23 | 1:b300d052d549 | 358 | |
avi23 | 2:d34c95990605 | 359 | lcd.clear(); |
avi23 | 2:d34c95990605 | 360 | lcd.printString("Game Over", 1, 2); |
avi23 | 2:d34c95990605 | 361 | } else { |
avi23 | 2:d34c95990605 | 362 | //Updates pixels on the screen |
avi23 | 2:d34c95990605 | 363 | if (g_update_screen_flag) { |
avi23 | 2:d34c95990605 | 364 | g_update_screen_flag = false; |
avi23 | 2:d34c95990605 | 365 | |
avi23 | 2:d34c95990605 | 366 | //Loops through the screen map and sets pixels on the LCD |
avi23 | 2:d34c95990605 | 367 | for (int col = 0; col < 84; col++) { |
avi23 | 2:d34c95990605 | 368 | for (int row = 0; row < 48; row++) { |
avi23 | 2:d34c95990605 | 369 | if (screen_map[col][row]) { |
avi23 | 2:d34c95990605 | 370 | lcd.setPixel(col, row); |
avi23 | 2:d34c95990605 | 371 | } else { |
avi23 | 2:d34c95990605 | 372 | lcd.clearPixel(col, row); |
avi23 | 2:d34c95990605 | 373 | } |
avi23 | 1:b300d052d549 | 374 | } |
avi23 | 1:b300d052d549 | 375 | } |
avi23 | 1:b300d052d549 | 376 | } |
avi23 | 2:d34c95990605 | 377 | //Controls cannon movement |
avi23 | 2:d34c95990605 | 378 | if (g_move_cannon_flag) { |
avi23 | 2:d34c95990605 | 379 | g_move_cannon_flag = false; |
avi23 | 2:d34c95990605 | 380 | |
avi23 | 2:d34c95990605 | 381 | MoveCannon(); |
avi23 | 2:d34c95990605 | 382 | DrawBarriers(); |
avi23 | 2:d34c95990605 | 383 | |
avi23 | 2:d34c95990605 | 384 | lcd.refresh(); |
avi23 | 2:d34c95990605 | 385 | } |
avi23 | 2:d34c95990605 | 386 | //Spawns a player bullet if the shoot button is pressed and there isn't a bullet on the screen |
avi23 | 2:d34c95990605 | 387 | if (g_shoot_pressed_flag) { |
avi23 | 2:d34c95990605 | 388 | g_shoot_pressed_flag = false; |
avi23 | 2:d34c95990605 | 389 | |
avi23 | 3:544b59d60ab8 | 390 | if (!cannon_shot_on_screen) { |
avi23 | 3:544b59d60ab8 | 391 | cannon_shot_on_screen = true; |
avi23 | 3:544b59d60ab8 | 392 | |
avi23 | 3:544b59d60ab8 | 393 | pc.printf("Shot Fired\n"); |
avi23 | 2:d34c95990605 | 394 | |
avi23 | 3:544b59d60ab8 | 395 | //Add 4 to cannon x_pos to get shot x_pos |
avi23 | 3:544b59d60ab8 | 396 | cannon_shot_x_pos = cannon_xpos + 4; |
avi23 | 3:544b59d60ab8 | 397 | cannon_shot_y_pos = 40; |
avi23 | 4:a99953ef9e42 | 398 | move_cannon_shot.attach(&move_cannon_shot_isr, 0.05); |
avi23 | 3:544b59d60ab8 | 399 | } |
avi23 | 2:d34c95990605 | 400 | } |
avi23 | 2:d34c95990605 | 401 | //Move the cannon's shot |
avi23 | 2:d34c95990605 | 402 | if (g_move_cannon_shot_flag) { |
avi23 | 2:d34c95990605 | 403 | g_move_cannon_shot_flag = false; |
avi23 | 2:d34c95990605 | 404 | |
avi23 | 2:d34c95990605 | 405 | //Checks bullet will not go beyond the bounds of the screen map |
avi23 | 2:d34c95990605 | 406 | if (cannon_shot_y_pos > -1) { |
avi23 | 3:544b59d60ab8 | 407 | //Loops throught the shot bitmap and clears the pixels in the screen map |
avi23 | 2:d34c95990605 | 408 | for (int row = 0; row < 3; row++) { |
avi23 | 2:d34c95990605 | 409 | //Clears the position where the bullet was |
avi23 | 4:a99953ef9e42 | 410 | screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 411 | } |
avi23 | 2:d34c95990605 | 412 | |
avi23 | 2:d34c95990605 | 413 | //Increments the shot going up the screen |
avi23 | 2:d34c95990605 | 414 | cannon_shot_y_pos--; |
avi23 | 2:d34c95990605 | 415 | |
avi23 | 3:544b59d60ab8 | 416 | //Checks to see what the shot hits. If it hits nothing the shot gets pushed to the screen map |
avi23 | 2:d34c95990605 | 417 | for (int row = 0; row < 3; row++) { |
avi23 | 4:a99953ef9e42 | 418 | int object_no; |
avi23 | 4:a99953ef9e42 | 419 | if (screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] >= first_small_invader_pixel && screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] < (first_small_invader_pixel + 5)) |
avi23 | 3:544b59d60ab8 | 420 | { |
avi23 | 4:a99953ef9e42 | 421 | object_no = screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] - first_small_invader_pixel; |
avi23 | 4:a99953ef9e42 | 422 | small_invader[object_no].is_alive = false; |
avi23 | 4:a99953ef9e42 | 423 | pc.printf("Small (%d) Hit\n", object_no); |
avi23 | 3:544b59d60ab8 | 424 | cannon_shot_on_screen = false; |
avi23 | 3:544b59d60ab8 | 425 | move_cannon_shot.detach(); |
avi23 | 3:544b59d60ab8 | 426 | break; |
avi23 | 4:a99953ef9e42 | 427 | } else if (screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] >= first_medium_invader_pixel && screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] < (first_medium_invader_pixel + 5)) { |
avi23 | 4:a99953ef9e42 | 428 | object_no = screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] - first_medium_invader_pixel; |
avi23 | 4:a99953ef9e42 | 429 | medium_invader[object_no].is_alive = false; |
avi23 | 4:a99953ef9e42 | 430 | pc.printf("Medium (%d) Hit\n", object_no); |
avi23 | 3:544b59d60ab8 | 431 | cannon_shot_on_screen = false; |
avi23 | 3:544b59d60ab8 | 432 | move_cannon_shot.detach(); |
avi23 | 3:544b59d60ab8 | 433 | break; |
avi23 | 4:a99953ef9e42 | 434 | } else if (screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] >= first_large_invader_pixel && screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] < (first_large_invader_pixel + 5)) { |
avi23 | 4:a99953ef9e42 | 435 | object_no = screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] - first_large_invader_pixel; |
avi23 | 4:a99953ef9e42 | 436 | large_invader[object_no].is_alive = false; |
avi23 | 4:a99953ef9e42 | 437 | pc.printf("Large (%d) Hit\n", object_no); |
avi23 | 3:544b59d60ab8 | 438 | cannon_shot_on_screen = false; |
avi23 | 3:544b59d60ab8 | 439 | move_cannon_shot.detach(); |
avi23 | 3:544b59d60ab8 | 440 | break; |
avi23 | 4:a99953ef9e42 | 441 | } else if (screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] >= first_barrier_pixel && screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] < (first_barrier_pixel + 3)) { |
avi23 | 4:a99953ef9e42 | 442 | object_no = screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] - first_barrier_pixel; |
avi23 | 4:a99953ef9e42 | 443 | pc.printf("Barrier (%d) Hit\n", object_no); |
avi23 | 4:a99953ef9e42 | 444 | cannon_shot_on_screen = false; |
avi23 | 4:a99953ef9e42 | 445 | move_cannon_shot.detach(); |
avi23 | 4:a99953ef9e42 | 446 | break; |
avi23 | 4:a99953ef9e42 | 447 | } else if (screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] == ufo_pixel) { |
avi23 | 3:544b59d60ab8 | 448 | pc.printf("UFO Hit\n"); |
avi23 | 3:544b59d60ab8 | 449 | cannon_shot_on_screen = false; |
avi23 | 3:544b59d60ab8 | 450 | move_cannon_shot.detach(); |
avi23 | 3:544b59d60ab8 | 451 | break; |
avi23 | 3:544b59d60ab8 | 452 | } else { |
avi23 | 4:a99953ef9e42 | 453 | screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] = cannon_shot_pixel; |
avi23 | 2:d34c95990605 | 454 | } |
avi23 | 3:544b59d60ab8 | 455 | } |
avi23 | 3:544b59d60ab8 | 456 | } else { |
avi23 | 3:544b59d60ab8 | 457 | //Loops throught the shot bitmap and clears the pixels in the screen map |
avi23 | 3:544b59d60ab8 | 458 | for (int row = 1; row < 3; row++) { |
avi23 | 3:544b59d60ab8 | 459 | //Clears the position where the bullet was |
avi23 | 4:a99953ef9e42 | 460 | screen_map[cannon_shot_x_pos][cannon_shot_y_pos + row] = empty_pixel; |
avi23 | 1:b300d052d549 | 461 | } |
avi23 | 3:544b59d60ab8 | 462 | cannon_shot_on_screen = false; |
avi23 | 1:b300d052d549 | 463 | } |
avi23 | 1:b300d052d549 | 464 | } |
avi23 | 1:b300d052d549 | 465 | } |
avi23 | 2:d34c95990605 | 466 | //Controls enemy movement |
avi23 | 0:427469992efe | 467 | if (g_move_enemies_flag) { |
avi23 | 0:427469992efe | 468 | g_move_enemies_flag = false; |
avi23 | 0:427469992efe | 469 | |
avi23 | 2:d34c95990605 | 470 | //Added stuff to move to function |
avi23 | 2:d34c95990605 | 471 | //Checks which columns of invaders are alive on the right and left sides and changes the limits of the first invader |
avi23 | 2:d34c95990605 | 472 | //MOVE TO COLLISION DETECTION WHEN IT'S DONE |
avi23 | 2:d34c95990605 | 473 | //Checking the left side |
avi23 | 2:d34c95990605 | 474 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 475 | if (small_invader[i].is_alive || medium_invader[i].is_alive || large_invader[i].is_alive) { |
avi23 | 2:d34c95990605 | 476 | left_column_alive = i; |
avi23 | 2:d34c95990605 | 477 | break; |
avi23 | 2:d34c95990605 | 478 | } |
avi23 | 2:d34c95990605 | 479 | } |
avi23 | 2:d34c95990605 | 480 | minimum_invader_x_pos = 0 - left_column_alive*13; |
avi23 | 2:d34c95990605 | 481 | //Checking the right side |
avi23 | 2:d34c95990605 | 482 | for (int j = 4; j >= 0; j--) { |
avi23 | 2:d34c95990605 | 483 | if (small_invader[j].is_alive || medium_invader[j].is_alive || large_invader[j].is_alive) { |
avi23 | 2:d34c95990605 | 484 | right_column_alive = j; |
avi23 | 2:d34c95990605 | 485 | break; |
avi23 | 2:d34c95990605 | 486 | } |
avi23 | 2:d34c95990605 | 487 | } |
avi23 | 2:d34c95990605 | 488 | maximum_invader_x_pos = 72 - right_column_alive*13; |
avi23 | 2:d34c95990605 | 489 | |
avi23 | 2:d34c95990605 | 490 | //End of block |
avi23 | 2:d34c95990605 | 491 | |
avi23 | 2:d34c95990605 | 492 | //Clears the old bitmaps |
avi23 | 2:d34c95990605 | 493 | ClearSmallInvaders(); |
avi23 | 2:d34c95990605 | 494 | ClearMediumInvaders(); |
avi23 | 2:d34c95990605 | 495 | CLearLargeInvaders(); |
avi23 | 2:d34c95990605 | 496 | |
avi23 | 2:d34c95990605 | 497 | ShiftInvaderXPositions(); |
avi23 | 2:d34c95990605 | 498 | |
avi23 | 4:a99953ef9e42 | 499 | |
avi23 | 0:427469992efe | 500 | DrawSmallInvaders(); |
avi23 | 1:b300d052d549 | 501 | DrawMediumInvaders(); |
avi23 | 1:b300d052d549 | 502 | DrawLargeInvaders(); |
avi23 | 4:a99953ef9e42 | 503 | //DrawUFO(); |
avi23 | 1:b300d052d549 | 504 | |
avi23 | 2:d34c95990605 | 505 | invaders_in_state2 = !invaders_in_state2; |
avi23 | 0:427469992efe | 506 | |
avi23 | 0:427469992efe | 507 | lcd.refresh(); |
avi23 | 2:d34c95990605 | 508 | |
avi23 | 2:d34c95990605 | 509 | //TEST CODE |
avi23 | 2:d34c95990605 | 510 | |
avi23 | 2:d34c95990605 | 511 | //END |
avi23 | 0:427469992efe | 512 | } |
avi23 | 2:d34c95990605 | 513 | |
avi23 | 0:427469992efe | 514 | sleep(); |
avi23 | 0:427469992efe | 515 | } |
avi23 | 0:427469992efe | 516 | } |
avi23 | 0:427469992efe | 517 | |
avi23 | 0:427469992efe | 518 | void init_K64F() |
avi23 | 0:427469992efe | 519 | { |
avi23 | 0:427469992efe | 520 | // on-board LEDs are active-low, so set pin high to turn them off. |
avi23 | 0:427469992efe | 521 | r_led = 1; |
avi23 | 0:427469992efe | 522 | g_led = 1; |
avi23 | 0:427469992efe | 523 | b_led = 1; |
avi23 | 0:427469992efe | 524 | |
avi23 | 0:427469992efe | 525 | // since the on-board switches have external pull-ups, we should disable the internal pull-down |
avi23 | 0:427469992efe | 526 | // resistors that are enabled by default using InterruptIn |
avi23 | 0:427469992efe | 527 | sw2.mode(PullNone); |
avi23 | 0:427469992efe | 528 | sw3.mode(PullNone); |
avi23 | 0:427469992efe | 529 | |
avi23 | 0:427469992efe | 530 | } |
avi23 | 0:427469992efe | 531 | |
avi23 | 0:427469992efe | 532 | void error() |
avi23 | 0:427469992efe | 533 | { |
avi23 | 0:427469992efe | 534 | while(1) { // if error, hang while flashing error message |
avi23 | 0:427469992efe | 535 | r_led = 0; |
avi23 | 0:427469992efe | 536 | wait(0.2); |
avi23 | 0:427469992efe | 537 | r_led = 1; |
avi23 | 0:427469992efe | 538 | wait(0.2); |
avi23 | 0:427469992efe | 539 | } |
avi23 | 0:427469992efe | 540 | } |
avi23 | 0:427469992efe | 541 | |
avi23 | 0:427469992efe | 542 | void init_serial() |
avi23 | 0:427469992efe | 543 | { |
avi23 | 0:427469992efe | 544 | // set to highest baud - ensure terminal software matches |
avi23 | 0:427469992efe | 545 | pc.baud(115200); |
avi23 | 0:427469992efe | 546 | } |
avi23 | 0:427469992efe | 547 | |
avi23 | 2:d34c95990605 | 548 | void init_shoot() |
avi23 | 0:427469992efe | 549 | { |
avi23 | 2:d34c95990605 | 550 | shoot_button.mode(PullUp); |
avi23 | 2:d34c95990605 | 551 | shoot_button.fall(&shoot_pressed_isr); |
avi23 | 2:d34c95990605 | 552 | |
avi23 | 2:d34c95990605 | 553 | } |
avi23 | 2:d34c95990605 | 554 | |
avi23 | 2:d34c95990605 | 555 | void update_screen_isr() |
avi23 | 2:d34c95990605 | 556 | { |
avi23 | 2:d34c95990605 | 557 | g_update_screen_flag = true; |
avi23 | 0:427469992efe | 558 | } |
avi23 | 0:427469992efe | 559 | |
avi23 | 2:d34c95990605 | 560 | void shoot_pressed_isr() |
avi23 | 2:d34c95990605 | 561 | { |
avi23 | 2:d34c95990605 | 562 | g_shoot_pressed_flag = true; |
avi23 | 2:d34c95990605 | 563 | } |
avi23 | 2:d34c95990605 | 564 | |
avi23 | 2:d34c95990605 | 565 | void move_cannon_shot_isr() |
avi23 | 2:d34c95990605 | 566 | { |
avi23 | 2:d34c95990605 | 567 | g_move_cannon_shot_flag = true; |
avi23 | 2:d34c95990605 | 568 | } |
avi23 | 2:d34c95990605 | 569 | |
avi23 | 2:d34c95990605 | 570 | void move_cannon_isr() |
avi23 | 2:d34c95990605 | 571 | { |
avi23 | 2:d34c95990605 | 572 | g_move_cannon_flag = true; |
avi23 | 2:d34c95990605 | 573 | } |
avi23 | 2:d34c95990605 | 574 | |
avi23 | 2:d34c95990605 | 575 | void MoveCannon() |
avi23 | 0:427469992efe | 576 | { |
avi23 | 0:427469992efe | 577 | //Clears the ship |
avi23 | 0:427469992efe | 578 | for (int col = 0; col < 9; col++) { |
avi23 | 0:427469992efe | 579 | for (int row = 0; row < 5; row++) { |
avi23 | 1:b300d052d549 | 580 | if(cannon_bitmap[row][col]) { |
avi23 | 2:d34c95990605 | 581 | //lcd.clearPixel(cannon_xpos+col, cannon_ypos+row); |
avi23 | 4:a99953ef9e42 | 582 | screen_map[cannon_xpos+col][cannon_ypos+row] = empty_pixel; |
avi23 | 0:427469992efe | 583 | } |
avi23 | 0:427469992efe | 584 | } |
avi23 | 0:427469992efe | 585 | } |
avi23 | 0:427469992efe | 586 | |
avi23 | 0:427469992efe | 587 | //Changes the position of the ship when the joystick is moved, capping at 0 and 75 so it always fits on the screen |
avi23 | 0:427469992efe | 588 | if (joystick.GetXValue() < 0.25f) { |
avi23 | 1:b300d052d549 | 589 | cannon_xpos--; |
avi23 | 1:b300d052d549 | 590 | if (cannon_xpos < 0) { |
avi23 | 1:b300d052d549 | 591 | cannon_xpos = 0; |
avi23 | 0:427469992efe | 592 | } |
avi23 | 0:427469992efe | 593 | } else if (joystick.GetXValue() > 0.75f) { |
avi23 | 1:b300d052d549 | 594 | cannon_xpos++; |
avi23 | 1:b300d052d549 | 595 | if (cannon_xpos > 75) { |
avi23 | 1:b300d052d549 | 596 | cannon_xpos = 75; |
avi23 | 0:427469992efe | 597 | } |
avi23 | 0:427469992efe | 598 | } |
avi23 | 0:427469992efe | 599 | |
avi23 | 0:427469992efe | 600 | //Redraws the ship |
avi23 | 0:427469992efe | 601 | for (int col = 0; col < 9; col++) { |
avi23 | 0:427469992efe | 602 | for (int row = 0; row < 5; row++) { |
avi23 | 1:b300d052d549 | 603 | if(cannon_bitmap[row][col]) { |
avi23 | 2:d34c95990605 | 604 | //lcd.setPixel(cannon_xpos+col, cannon_ypos+row); |
avi23 | 4:a99953ef9e42 | 605 | screen_map[cannon_xpos+col][cannon_ypos+row] = cannon_pixel; |
avi23 | 0:427469992efe | 606 | } |
avi23 | 0:427469992efe | 607 | } |
avi23 | 0:427469992efe | 608 | } |
avi23 | 0:427469992efe | 609 | } |
avi23 | 0:427469992efe | 610 | |
avi23 | 0:427469992efe | 611 | void move_enemies_isr() |
avi23 | 0:427469992efe | 612 | { |
avi23 | 0:427469992efe | 613 | g_move_enemies_flag = true; |
avi23 | 0:427469992efe | 614 | } |
avi23 | 0:427469992efe | 615 | |
avi23 | 0:427469992efe | 616 | //Sets the position and aliveness of the small invaders |
avi23 | 0:427469992efe | 617 | void InitSmallInvaders() |
avi23 | 0:427469992efe | 618 | { |
avi23 | 2:d34c95990605 | 619 | for (int i = 0; i < 5; i++) { |
avi23 | 1:b300d052d549 | 620 | small_invader[i].x_pos = 2+ (i*13); |
avi23 | 2:d34c95990605 | 621 | small_invader[i].y_pos = 1; |
avi23 | 0:427469992efe | 622 | small_invader[i].is_alive = true; |
avi23 | 0:427469992efe | 623 | } |
avi23 | 0:427469992efe | 624 | } |
avi23 | 0:427469992efe | 625 | |
avi23 | 2:d34c95990605 | 626 | void ClearSmallInvaders() |
avi23 | 2:d34c95990605 | 627 | { |
avi23 | 2:d34c95990605 | 628 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 629 | if (!invaders_in_state2) { |
avi23 | 2:d34c95990605 | 630 | for (int col = 0; col < 8; col++) { |
avi23 | 2:d34c95990605 | 631 | for (int row = 0; row < 6; row++) { |
avi23 | 4:a99953ef9e42 | 632 | if(small_invader_bitmap_1[row][col] && small_invader[i].x_pos + col >= 0 && small_invader[i].x_pos + col < 84) { |
avi23 | 2:d34c95990605 | 633 | //lcd.clearPixel(small_invader[i].x_pos + col, small_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 634 | screen_map[small_invader[i].x_pos + col][small_invader[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 635 | } |
avi23 | 2:d34c95990605 | 636 | } |
avi23 | 2:d34c95990605 | 637 | } |
avi23 | 2:d34c95990605 | 638 | } else { |
avi23 | 2:d34c95990605 | 639 | for (int col = 0; col < 8; col++) { |
avi23 | 2:d34c95990605 | 640 | for (int row = 0; row < 6; row++) { |
avi23 | 4:a99953ef9e42 | 641 | if(small_invader_bitmap_2[row][col] && small_invader[i].x_pos + col >= 0 && small_invader[i].x_pos + col < 84) { |
avi23 | 2:d34c95990605 | 642 | //lcd.clearPixel(small_invader[i].x_pos + col, small_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 643 | screen_map[small_invader[i].x_pos + col][small_invader[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 644 | } |
avi23 | 2:d34c95990605 | 645 | } |
avi23 | 2:d34c95990605 | 646 | } |
avi23 | 2:d34c95990605 | 647 | } |
avi23 | 2:d34c95990605 | 648 | } |
avi23 | 2:d34c95990605 | 649 | } |
avi23 | 2:d34c95990605 | 650 | |
avi23 | 0:427469992efe | 651 | void DrawSmallInvaders() |
avi23 | 0:427469992efe | 652 | { |
avi23 | 0:427469992efe | 653 | //For each small invader clear and redraws them if they're alive |
avi23 | 2:d34c95990605 | 654 | for (int i = 0; i < 5; i++) { |
avi23 | 0:427469992efe | 655 | //Checks if the invader is alive |
avi23 | 0:427469992efe | 656 | if (small_invader[i].is_alive) { |
avi23 | 0:427469992efe | 657 | //Reads off the bitmap and sets the allowed pixels |
avi23 | 2:d34c95990605 | 658 | if (invaders_in_state2) { |
avi23 | 2:d34c95990605 | 659 | for (int col = 0; col < 8; col++) { |
avi23 | 2:d34c95990605 | 660 | for (int row = 0; row < 6; row++) { |
avi23 | 0:427469992efe | 661 | if(small_invader_bitmap_1[row][col]) { |
avi23 | 2:d34c95990605 | 662 | //lcd.setPixel(small_invader[i].x_pos + col, small_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 663 | screen_map[small_invader[i].x_pos + col][small_invader[i].y_pos + row] = first_small_invader_pixel + i; |
avi23 | 0:427469992efe | 664 | } |
avi23 | 0:427469992efe | 665 | } |
avi23 | 0:427469992efe | 666 | } |
avi23 | 0:427469992efe | 667 | } else { |
avi23 | 2:d34c95990605 | 668 | for (int col = 0; col < 8; col++) { |
avi23 | 2:d34c95990605 | 669 | for (int row = 0; row < 6; row++) { |
avi23 | 0:427469992efe | 670 | if(small_invader_bitmap_2[row][col]) { |
avi23 | 2:d34c95990605 | 671 | //lcd.setPixel(small_invader[i].x_pos + col, small_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 672 | screen_map[small_invader[i].x_pos + col][small_invader[i].y_pos + row] = first_small_invader_pixel + i; |
avi23 | 0:427469992efe | 673 | } |
avi23 | 0:427469992efe | 674 | } |
avi23 | 0:427469992efe | 675 | } |
avi23 | 0:427469992efe | 676 | } |
avi23 | 0:427469992efe | 677 | } |
avi23 | 0:427469992efe | 678 | } |
avi23 | 1:b300d052d549 | 679 | } |
avi23 | 1:b300d052d549 | 680 | |
avi23 | 1:b300d052d549 | 681 | //Sets the position and aliveness of the medium invaders |
avi23 | 1:b300d052d549 | 682 | void InitMediumInvaders() |
avi23 | 1:b300d052d549 | 683 | { |
avi23 | 2:d34c95990605 | 684 | for (int i = 0; i < 5; i++) { |
avi23 | 1:b300d052d549 | 685 | medium_invader[i].x_pos = 1 + (i*13); |
avi23 | 2:d34c95990605 | 686 | medium_invader[i].y_pos = 8; |
avi23 | 1:b300d052d549 | 687 | medium_invader[i].is_alive = true; |
avi23 | 1:b300d052d549 | 688 | } |
avi23 | 1:b300d052d549 | 689 | } |
avi23 | 1:b300d052d549 | 690 | |
avi23 | 2:d34c95990605 | 691 | void ClearMediumInvaders() |
avi23 | 2:d34c95990605 | 692 | { |
avi23 | 2:d34c95990605 | 693 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 694 | if (!invaders_in_state2) { |
avi23 | 2:d34c95990605 | 695 | for (int col = 0; col < 10; col++) { |
avi23 | 2:d34c95990605 | 696 | for (int row = 0; row < 6; row++) { |
avi23 | 4:a99953ef9e42 | 697 | if(medium_invader_bitmap_1[row][col] && medium_invader[i].x_pos + col >= 0 && medium_invader[i].x_pos + col < 84) { |
avi23 | 2:d34c95990605 | 698 | //lcd.clearPixel(medium_invader[i].x_pos + col, medium_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 699 | screen_map[medium_invader[i].x_pos + col][medium_invader[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 700 | } |
avi23 | 2:d34c95990605 | 701 | } |
avi23 | 2:d34c95990605 | 702 | } |
avi23 | 2:d34c95990605 | 703 | } else { |
avi23 | 2:d34c95990605 | 704 | for (int col = 0; col < 10; col++) { |
avi23 | 2:d34c95990605 | 705 | for (int row = 0; row < 6; row++) { |
avi23 | 4:a99953ef9e42 | 706 | if(medium_invader_bitmap_2[row][col] && medium_invader[i].x_pos + col >= 0 && medium_invader[i].x_pos + col < 84) { |
avi23 | 2:d34c95990605 | 707 | //lcd.clearPixel(medium_invader[i].x_pos + col, medium_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 708 | screen_map[medium_invader[i].x_pos + col][medium_invader[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 709 | } |
avi23 | 2:d34c95990605 | 710 | } |
avi23 | 2:d34c95990605 | 711 | } |
avi23 | 2:d34c95990605 | 712 | } |
avi23 | 2:d34c95990605 | 713 | } |
avi23 | 2:d34c95990605 | 714 | } |
avi23 | 2:d34c95990605 | 715 | |
avi23 | 1:b300d052d549 | 716 | void DrawMediumInvaders() |
avi23 | 1:b300d052d549 | 717 | { |
avi23 | 1:b300d052d549 | 718 | //For each small invader clear and redraws them if they're alive |
avi23 | 2:d34c95990605 | 719 | for (int i = 0; i < 5; i++) { |
avi23 | 1:b300d052d549 | 720 | //Checks if the invader is alive |
avi23 | 1:b300d052d549 | 721 | if (medium_invader[i].is_alive) { |
avi23 | 1:b300d052d549 | 722 | //Reads off the bitmap and sets the allowed pixels |
avi23 | 2:d34c95990605 | 723 | if (invaders_in_state2) { |
avi23 | 2:d34c95990605 | 724 | for (int col = 0; col < 10; col++) { |
avi23 | 2:d34c95990605 | 725 | for (int row = 0; row < 6; row++) { |
avi23 | 1:b300d052d549 | 726 | if(medium_invader_bitmap_1[row][col]) { |
avi23 | 2:d34c95990605 | 727 | //lcd.setPixel(medium_invader[i].x_pos + col, medium_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 728 | screen_map[medium_invader[i].x_pos + col][medium_invader[i].y_pos + row] = first_medium_invader_pixel + i; |
avi23 | 1:b300d052d549 | 729 | } |
avi23 | 1:b300d052d549 | 730 | } |
avi23 | 1:b300d052d549 | 731 | } |
avi23 | 1:b300d052d549 | 732 | } else { |
avi23 | 2:d34c95990605 | 733 | for (int col = 0; col < 10; col++) { |
avi23 | 2:d34c95990605 | 734 | for (int row = 0; row < 6; row++) { |
avi23 | 1:b300d052d549 | 735 | if(medium_invader_bitmap_2[row][col]) { |
avi23 | 2:d34c95990605 | 736 | //lcd.setPixel(medium_invader[i].x_pos + col, medium_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 737 | screen_map[medium_invader[i].x_pos + col][medium_invader[i].y_pos + row] = first_medium_invader_pixel + i; |
avi23 | 1:b300d052d549 | 738 | } |
avi23 | 1:b300d052d549 | 739 | } |
avi23 | 1:b300d052d549 | 740 | } |
avi23 | 1:b300d052d549 | 741 | } |
avi23 | 1:b300d052d549 | 742 | } |
avi23 | 1:b300d052d549 | 743 | } |
avi23 | 1:b300d052d549 | 744 | } |
avi23 | 1:b300d052d549 | 745 | |
avi23 | 1:b300d052d549 | 746 | //Sets the position and aliveness of the large invaders |
avi23 | 1:b300d052d549 | 747 | void InitLargeInvaders() |
avi23 | 1:b300d052d549 | 748 | { |
avi23 | 2:d34c95990605 | 749 | for (int i = 0; i < 5; i++) { |
avi23 | 1:b300d052d549 | 750 | large_invader[i].x_pos = 0 + (i*13); |
avi23 | 2:d34c95990605 | 751 | large_invader[i].y_pos = 15; |
avi23 | 1:b300d052d549 | 752 | large_invader[i].is_alive = true; |
avi23 | 1:b300d052d549 | 753 | } |
avi23 | 1:b300d052d549 | 754 | } |
avi23 | 1:b300d052d549 | 755 | |
avi23 | 2:d34c95990605 | 756 | void CLearLargeInvaders() |
avi23 | 2:d34c95990605 | 757 | { |
avi23 | 2:d34c95990605 | 758 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 759 | //Reads off the bitmap and sets the allowed pixels |
avi23 | 2:d34c95990605 | 760 | if (!invaders_in_state2) { |
avi23 | 2:d34c95990605 | 761 | for (int col = 0; col < 12; col++) { |
avi23 | 2:d34c95990605 | 762 | for (int row = 0; row < 6; row++) { |
avi23 | 4:a99953ef9e42 | 763 | if(large_invader_bitmap_1[row][col] && large_invader[i].x_pos + col >= 0 && large_invader[i].x_pos + col < 84) { |
avi23 | 2:d34c95990605 | 764 | ///lcd.clearPixel(large_invader[i].x_pos + col, large_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 765 | screen_map[large_invader[i].x_pos + col][large_invader[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 766 | } |
avi23 | 2:d34c95990605 | 767 | } |
avi23 | 2:d34c95990605 | 768 | } |
avi23 | 2:d34c95990605 | 769 | } else { |
avi23 | 2:d34c95990605 | 770 | for (int col = 0; col < 12; col++) { |
avi23 | 2:d34c95990605 | 771 | for (int row = 0; row < 6; row++) { |
avi23 | 4:a99953ef9e42 | 772 | if(large_invader_bitmap_2[row][col] && large_invader[i].x_pos + col >= 0 && large_invader[i].x_pos + col < 84) { |
avi23 | 2:d34c95990605 | 773 | //lcd.clearPixel(large_invader[i].x_pos + col, large_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 774 | screen_map[large_invader[i].x_pos + col][large_invader[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 775 | } |
avi23 | 2:d34c95990605 | 776 | } |
avi23 | 2:d34c95990605 | 777 | } |
avi23 | 2:d34c95990605 | 778 | } |
avi23 | 2:d34c95990605 | 779 | } |
avi23 | 2:d34c95990605 | 780 | } |
avi23 | 2:d34c95990605 | 781 | |
avi23 | 1:b300d052d549 | 782 | void DrawLargeInvaders() |
avi23 | 1:b300d052d549 | 783 | { |
avi23 | 1:b300d052d549 | 784 | //For each small invader clear and redraws them if they're alive |
avi23 | 2:d34c95990605 | 785 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 786 | //Checks if the invader is alive |
avi23 | 2:d34c95990605 | 787 | if (large_invader[i].is_alive) { |
avi23 | 2:d34c95990605 | 788 | //Reads off the bitmap and sets the allowed pixels |
avi23 | 2:d34c95990605 | 789 | if (invaders_in_state2) { |
avi23 | 2:d34c95990605 | 790 | for (int col = 0; col < 12; col++) { |
avi23 | 2:d34c95990605 | 791 | for (int row = 0; row < 6; row++) { |
avi23 | 2:d34c95990605 | 792 | if(large_invader_bitmap_1[row][col]) { |
avi23 | 2:d34c95990605 | 793 | //lcd.setPixel(large_invader[i].x_pos + col, large_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 794 | screen_map[large_invader[i].x_pos + col][large_invader[i].y_pos + row] = first_large_invader_pixel + i; |
avi23 | 2:d34c95990605 | 795 | } |
avi23 | 2:d34c95990605 | 796 | } |
avi23 | 2:d34c95990605 | 797 | } |
avi23 | 2:d34c95990605 | 798 | } else { |
avi23 | 2:d34c95990605 | 799 | for (int col = 0; col < 12; col++) { |
avi23 | 2:d34c95990605 | 800 | for (int row = 0; row < 6; row++) { |
avi23 | 2:d34c95990605 | 801 | if(large_invader_bitmap_2[row][col]) { |
avi23 | 2:d34c95990605 | 802 | //lcd.setPixel(large_invader[i].x_pos + col, large_invader[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 803 | screen_map[large_invader[i].x_pos + col][large_invader[i].y_pos + row] = first_large_invader_pixel + i; |
avi23 | 2:d34c95990605 | 804 | } |
avi23 | 2:d34c95990605 | 805 | } |
avi23 | 2:d34c95990605 | 806 | } |
avi23 | 2:d34c95990605 | 807 | } |
avi23 | 2:d34c95990605 | 808 | } |
avi23 | 2:d34c95990605 | 809 | } |
avi23 | 2:d34c95990605 | 810 | } |
avi23 | 2:d34c95990605 | 811 | /* |
avi23 | 2:d34c95990605 | 812 | void DrawInvaders(struct Invaders invader[], int no_of_invaders, bool bitmap[][]) |
avi23 | 2:d34c95990605 | 813 | { |
avi23 | 2:d34c95990605 | 814 | //For each small invader clear and redraws them if they're alive |
avi23 | 2:d34c95990605 | 815 | for (int i = 0; i < no_of_invaders; i++) { |
avi23 | 1:b300d052d549 | 816 | //Clears the enemy position |
avi23 | 2:d34c95990605 | 817 | lcd.drawRect(invader[i].x_pos, invader[i].y_pos, 12, 6, 2); |
avi23 | 1:b300d052d549 | 818 | |
avi23 | 1:b300d052d549 | 819 | //Checks if the invader is alive |
avi23 | 2:d34c95990605 | 820 | if (invader[i].is_alive) { |
avi23 | 1:b300d052d549 | 821 | //Reads off the bitmap and sets the allowed pixels |
avi23 | 1:b300d052d549 | 822 | int col = 0; |
avi23 | 1:b300d052d549 | 823 | int row = 0; |
avi23 | 1:b300d052d549 | 824 | //Flips the bitmap everytime the function is called |
avi23 | 2:d34c95990605 | 825 | if (invaders_in_state2) { |
avi23 | 1:b300d052d549 | 826 | for (col = 0; col < 12; col++) { |
avi23 | 1:b300d052d549 | 827 | for (row = 0; row < 6; row++) { |
avi23 | 1:b300d052d549 | 828 | if(large_invader_bitmap_1[row][col]) { |
avi23 | 1:b300d052d549 | 829 | lcd.setPixel(large_invader[i].x_pos + col, large_invader[i].y_pos + row); |
avi23 | 1:b300d052d549 | 830 | } |
avi23 | 1:b300d052d549 | 831 | } |
avi23 | 1:b300d052d549 | 832 | } |
avi23 | 1:b300d052d549 | 833 | } else { |
avi23 | 1:b300d052d549 | 834 | for (col = 0; col < 12; col++) { |
avi23 | 1:b300d052d549 | 835 | for (row = 0; row < 6; row++) { |
avi23 | 1:b300d052d549 | 836 | if(large_invader_bitmap_2[row][col]) { |
avi23 | 1:b300d052d549 | 837 | lcd.setPixel(large_invader[i].x_pos + col, large_invader[i].y_pos + row); |
avi23 | 1:b300d052d549 | 838 | } |
avi23 | 1:b300d052d549 | 839 | } |
avi23 | 1:b300d052d549 | 840 | } |
avi23 | 1:b300d052d549 | 841 | } |
avi23 | 1:b300d052d549 | 842 | } |
avi23 | 1:b300d052d549 | 843 | } |
avi23 | 2:d34c95990605 | 844 | } |
avi23 | 2:d34c95990605 | 845 | */ |
avi23 | 2:d34c95990605 | 846 | |
avi23 | 2:d34c95990605 | 847 | |
avi23 | 2:d34c95990605 | 848 | void InitBarriers() |
avi23 | 2:d34c95990605 | 849 | { |
avi23 | 2:d34c95990605 | 850 | for (int i = 0; i < no_of_barriers; i++) { |
avi23 | 2:d34c95990605 | 851 | barrier[i].x_pos = 10 + (i*25); |
avi23 | 2:d34c95990605 | 852 | barrier[i].y_pos = 33; |
avi23 | 2:d34c95990605 | 853 | //Copies the bitmap into the structs |
avi23 | 2:d34c95990605 | 854 | memcpy(barrier[i].before_bitmap, barrier_bitmap, sizeof(barrier_bitmap)); |
avi23 | 2:d34c95990605 | 855 | memcpy(barrier[i].after_bitmap, barrier_bitmap, sizeof(barrier_bitmap)); |
avi23 | 2:d34c95990605 | 856 | } |
avi23 | 2:d34c95990605 | 857 | } |
avi23 | 2:d34c95990605 | 858 | |
avi23 | 2:d34c95990605 | 859 | void DrawBarriers() |
avi23 | 2:d34c95990605 | 860 | { |
avi23 | 2:d34c95990605 | 861 | //Clears the barrier and redraws it with damage applied |
avi23 | 2:d34c95990605 | 862 | for (int i = 0; i < no_of_barriers; i++) { |
avi23 | 2:d34c95990605 | 863 | for (int col = 0; col < 14; col++) { |
avi23 | 2:d34c95990605 | 864 | for (int row = 0; row < 8; row++) { |
avi23 | 2:d34c95990605 | 865 | if (barrier[i].before_bitmap[row][col]) { |
avi23 | 2:d34c95990605 | 866 | //lcd.clearPixel(barrier[i].x_pos + col, barrier[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 867 | screen_map[barrier[i].x_pos + col][barrier[i].y_pos + row] = empty_pixel; |
avi23 | 2:d34c95990605 | 868 | } |
avi23 | 2:d34c95990605 | 869 | if (barrier[i].after_bitmap[row][col]) { |
avi23 | 2:d34c95990605 | 870 | //lcd.setPixel(barrier[i].x_pos + col, barrier[i].y_pos + row); |
avi23 | 4:a99953ef9e42 | 871 | screen_map[barrier[i].x_pos + col][barrier[i].y_pos + row] = first_barrier_pixel + i; |
avi23 | 2:d34c95990605 | 872 | } |
avi23 | 2:d34c95990605 | 873 | } |
avi23 | 2:d34c95990605 | 874 | } |
avi23 | 2:d34c95990605 | 875 | //Copies the after array to the before array |
avi23 | 2:d34c95990605 | 876 | memcpy(barrier[i].before_bitmap, barrier[i].after_bitmap, sizeof(barrier[i].after_bitmap)); |
avi23 | 2:d34c95990605 | 877 | } |
avi23 | 2:d34c95990605 | 878 | } |
avi23 | 2:d34c95990605 | 879 | |
avi23 | 2:d34c95990605 | 880 | void ShiftInvaderXPositions() |
avi23 | 2:d34c95990605 | 881 | { |
avi23 | 2:d34c95990605 | 882 | if (invader_direction == RIGHT) { |
avi23 | 2:d34c95990605 | 883 | //Checks the first large invader to see if it can travel anymore |
avi23 | 2:d34c95990605 | 884 | if (large_invader[0].x_pos < maximum_invader_x_pos) { |
avi23 | 2:d34c95990605 | 885 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 886 | small_invader[i].x_pos += 2; |
avi23 | 2:d34c95990605 | 887 | medium_invader[i].x_pos += 2; |
avi23 | 2:d34c95990605 | 888 | large_invader[i].x_pos += 2; |
avi23 | 2:d34c95990605 | 889 | } |
avi23 | 2:d34c95990605 | 890 | } else { |
avi23 | 2:d34c95990605 | 891 | ShiftInvaderYPositions(LEFT); |
avi23 | 2:d34c95990605 | 892 | } |
avi23 | 2:d34c95990605 | 893 | } else { |
avi23 | 2:d34c95990605 | 894 | //Checks the first large invader to see if it can travel anymore |
avi23 | 2:d34c95990605 | 895 | if (large_invader[0].x_pos > minimum_invader_x_pos) { |
avi23 | 2:d34c95990605 | 896 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 897 | small_invader[i].x_pos -= 2; |
avi23 | 2:d34c95990605 | 898 | medium_invader[i].x_pos -= 2; |
avi23 | 2:d34c95990605 | 899 | large_invader[i].x_pos -= 2; |
avi23 | 2:d34c95990605 | 900 | } |
avi23 | 2:d34c95990605 | 901 | } else { |
avi23 | 2:d34c95990605 | 902 | ShiftInvaderYPositions(RIGHT); |
avi23 | 2:d34c95990605 | 903 | } |
avi23 | 2:d34c95990605 | 904 | } |
avi23 | 2:d34c95990605 | 905 | } |
avi23 | 2:d34c95990605 | 906 | |
avi23 | 2:d34c95990605 | 907 | void ShiftInvaderYPositions(bool new_direction) |
avi23 | 2:d34c95990605 | 908 | { |
avi23 | 2:d34c95990605 | 909 | //Checks to see which row of invaders are still alive to work out maximum y positions |
avi23 | 2:d34c95990605 | 910 | if (large_invader[0].is_alive || large_invader[1].is_alive || large_invader[2].is_alive || large_invader[3].is_alive || large_invader[4].is_alive) { |
avi23 | 2:d34c95990605 | 911 | lowest_invader_row_alive = large; |
avi23 | 2:d34c95990605 | 912 | } else if (medium_invader[0].is_alive || medium_invader[1].is_alive || medium_invader[2].is_alive || medium_invader[3].is_alive || medium_invader[4].is_alive) { |
avi23 | 2:d34c95990605 | 913 | lowest_invader_row_alive = medium; |
avi23 | 2:d34c95990605 | 914 | } else { |
avi23 | 2:d34c95990605 | 915 | lowest_invader_row_alive = small; |
avi23 | 2:d34c95990605 | 916 | } |
avi23 | 2:d34c95990605 | 917 | //If an invader touches the bottom the game ends, otherwise the invaders descend |
avi23 | 2:d34c95990605 | 918 | if (small_invader[0].y_pos < 39 - (7*lowest_invader_row_alive)) { |
avi23 | 2:d34c95990605 | 919 | for (int i = 0; i < 5; i++) { |
avi23 | 2:d34c95990605 | 920 | small_invader[i].y_pos += 3; |
avi23 | 2:d34c95990605 | 921 | medium_invader[i].y_pos += 3; |
avi23 | 2:d34c95990605 | 922 | large_invader[i].y_pos += 3; |
avi23 | 2:d34c95990605 | 923 | invader_direction = new_direction; |
avi23 | 2:d34c95990605 | 924 | } |
avi23 | 2:d34c95990605 | 925 | } else { |
avi23 | 2:d34c95990605 | 926 | game_over = true; |
avi23 | 2:d34c95990605 | 927 | } |
avi23 | 2:d34c95990605 | 928 | |
avi23 | 2:d34c95990605 | 929 | //TEST CODE |
avi23 | 2:d34c95990605 | 930 | down_count++; |
avi23 | 2:d34c95990605 | 931 | } |
avi23 | 2:d34c95990605 | 932 | |
avi23 | 2:d34c95990605 | 933 | /* |
avi23 | 2:d34c95990605 | 934 | void InitUFO() |
avi23 | 2:d34c95990605 | 935 | { |
avi23 | 2:d34c95990605 | 936 | |
avi23 | 2:d34c95990605 | 937 | } |
avi23 | 2:d34c95990605 | 938 | */ |
avi23 | 2:d34c95990605 | 939 | |
avi23 | 2:d34c95990605 | 940 | void DrawUFO() |
avi23 | 2:d34c95990605 | 941 | { |
avi23 | 2:d34c95990605 | 942 | //Draws the UFO |
avi23 | 2:d34c95990605 | 943 | int x_pos = 20; |
avi23 | 2:d34c95990605 | 944 | int y_pos = 25; |
avi23 | 2:d34c95990605 | 945 | for (int col = 0; col < col_no; col++) { |
avi23 | 2:d34c95990605 | 946 | for (int row = 0; row < row_no; row++) { |
avi23 | 2:d34c95990605 | 947 | if(ufo_bitmap[row][col]) { |
avi23 | 2:d34c95990605 | 948 | //lcd.setPixel(x_pos + col, y_pos + row); |
avi23 | 4:a99953ef9e42 | 949 | screen_map[x_pos + col][y_pos + row] = ufo_pixel; |
avi23 | 2:d34c95990605 | 950 | } |
avi23 | 2:d34c95990605 | 951 | } |
avi23 | 2:d34c95990605 | 952 | } |
avi23 | 0:427469992efe | 953 | } |