Jeffery Hurley / Mbed OS Asteroids

Simple starter skeleton for asteroids video game.

Dependencies:   PinDetect

main.cpp@2:30020ddfccf6, 2019-03-02 (annotated)

Committer:
jhurley31
Date:
Sat Mar 02 16:11:43 2019 +0000
Revision:
2:30020ddfccf6
Parent:
1:a6872783beca
Child:
3:98aa3db6a48f
There is an issue with inheritance

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhurley31 0:0c450cb95a1e 1 #include "mbed.h"
jhurley31 2:30020ddfccf6 2 #include <stdio.h>
jhurley31 0:0c450cb95a1e 3 #include "Speaker.h"
jhurley31 0:0c450cb95a1e 4 #include "PinDetect.h"
jhurley31 1:a6872783beca 5 #include "BuzzyGraphics.h"
jhurley31 1:a6872783beca 6 #include "uLCD_4DGL.h"
jhurley31 2:30020ddfccf6 7 //#include "Sprite.h"
jhurley31 2:30020ddfccf6 8 #include "Buzzy.h"
jhurley31 2:30020ddfccf6 9 #include "Ghosts.h"
jhurley31 1:a6872783beca 10 ////////////////////////////////////////
jhurley31 1:a6872783beca 11 // Setup instance of LCD display
jhurley31 2:30020ddfccf6 12 uLCD_4DGL guLCD(p28, p27, p29); // serial tx, serial rx, reset pin;
jhurley31 1:a6872783beca 13 ////////////////////////////////////////
jhurley31 1:a6872783beca 14 // Setup instances of push button pins
jhurley31 2:30020ddfccf6 15 PinDetect gPB_left(p16);
jhurley31 2:30020ddfccf6 16 PinDetect gPB_right(p17);
jhurley31 2:30020ddfccf6 17 PinDetect gPB_up(p18);
jhurley31 2:30020ddfccf6 18 PinDetect gPB_down(p19);
jhurley31 2:30020ddfccf6 19
jhurley31 2:30020ddfccf6 20 Buzzy gBuzzy;
jhurley31 2:30020ddfccf6 21 Sprite gGhosts[NUM_GHOSTS];
jhurley31 2:30020ddfccf6 22
jhurley31 2:30020ddfccf6 23
jhurley31 1:a6872783beca 24
jhurley31 2:30020ddfccf6 25 int gGameState = GAME_PAUSED;
jhurley31 2:30020ddfccf6 26
jhurley31 2:30020ddfccf6 27 Speaker gSpeakerOut(p21);
jhurley31 2:30020ddfccf6 28 ////////////////////////////////////////////////////////
jhurley31 2:30020ddfccf6 29 // This is the maze that changes as the game is played
jhurley31 2:30020ddfccf6 30 char gDynaMaze[MAZE_NUM_ROW][MAZE_NUM_COL];
jhurley31 2:30020ddfccf6 31
jhurley31 2:30020ddfccf6 32 //////////////////////////
jhurley31 2:30020ddfccf6 33 // Prototype functions
jhurley31 2:30020ddfccf6 34 void DrawMaze();
jhurley31 2:30020ddfccf6 35
jhurley31 1:a6872783beca 36 //////////////////////////////////////////////////////////////////////
jhurley31 1:a6872783beca 37 // Interrupt routine
jhurley31 1:a6872783beca 38 // used to output next analog sample whenever a timer interrupt occurs
jhurley31 1:a6872783beca 39 void Sample_timer_interrupt(void)
jhurley31 1:a6872783beca 40 {
jhurley31 1:a6872783beca 41 // send next analog sample out to D to A
jhurley31 2:30020ddfccf6 42 gSpeakerOut.PlayNextValue();
jhurley31 1:a6872783beca 43
jhurley31 1:a6872783beca 44 }
jhurley31 0:0c450cb95a1e 45 //---------------------------------------------------------------------------------------------------
jhurley31 0:0c450cb95a1e 46 // Callback routine is interrupt activated by a debounced pb_left hit
jhurley31 0:0c450cb95a1e 47 void pb_left_hit_callback (void)
jhurley31 0:0c450cb95a1e 48 {
jhurley31 1:a6872783beca 49 // Tell Buzzy to go left
jhurley31 2:30020ddfccf6 50 gBuzzy.SetDesiredDirectionToMove(Sprite::LEFT_DIR);
jhurley31 0:0c450cb95a1e 51 }
jhurley31 0:0c450cb95a1e 52 //---------------------------------------------------------------------------------------------------
jhurley31 0:0c450cb95a1e 53 // Callback routine is interrupt activated by a debounced pb_right hit
jhurley31 0:0c450cb95a1e 54 void pb_right_hit_callback (void)
jhurley31 0:0c450cb95a1e 55 {
jhurley31 1:a6872783beca 56 // Tell Buzzy to go right
jhurley31 2:30020ddfccf6 57 gBuzzy.SetDesiredDirectionToMove(Sprite::RIGHT_DIR);
jhurley31 1:a6872783beca 58 }
jhurley31 1:a6872783beca 59 //---------------------------------------------------------------------------------------------------
jhurley31 1:a6872783beca 60 // Callback routine is interrupt activated by a debounced pb_up hit
jhurley31 1:a6872783beca 61 void pb_up_hit_callback (void)
jhurley31 1:a6872783beca 62 {
jhurley31 1:a6872783beca 63 // Tell Buzzy to go up
jhurley31 2:30020ddfccf6 64 gBuzzy.SetDesiredDirectionToMove(Sprite::UP_DIR);
jhurley31 1:a6872783beca 65 }
jhurley31 1:a6872783beca 66 //---------------------------------------------------------------------------------------------------
jhurley31 1:a6872783beca 67 // Callback routine is interrupt activated by a debounced pb_down hit
jhurley31 1:a6872783beca 68 void pb_down_hit_callback (void)
jhurley31 1:a6872783beca 69 {
jhurley31 1:a6872783beca 70 // Tell Buzzy to go down
jhurley31 2:30020ddfccf6 71 gBuzzy.SetDesiredDirectionToMove(Sprite::DOWN_DIR);
jhurley31 0:0c450cb95a1e 72 }
jhurley31 0:0c450cb95a1e 73 //---------------------------------------------------------------------------------------------------
jhurley31 0:0c450cb95a1e 74 int main()
jhurley31 0:0c450cb95a1e 75 {
jhurley31 2:30020ddfccf6 76 int ii;
jhurley31 2:30020ddfccf6 77 unsigned char NumLivesRemaining = 3;
jhurley31 2:30020ddfccf6 78
jhurley31 2:30020ddfccf6 79 // Zero out the dynamic 2D maze array
jhurley31 2:30020ddfccf6 80 memset(&gDynaMaze[0][0], MAZE_NUM_ROW*MAZE_NUM_COL, 0);
jhurley31 2:30020ddfccf6 81 // Setup push buttons
jhurley31 2:30020ddfccf6 82 gPB_left.mode(PullUp);
jhurley31 2:30020ddfccf6 83 gPB_right.mode(PullUp);
jhurley31 2:30020ddfccf6 84 gPB_up.mode(PullUp);
jhurley31 2:30020ddfccf6 85 gPB_down.mode(PullUp);
jhurley31 1:a6872783beca 86 // Delay for initial pullup to take effect
jhurley31 1:a6872783beca 87 wait(.01);
jhurley31 1:a6872783beca 88 // Setup Interrupt callback functions for a pb hit
jhurley31 2:30020ddfccf6 89 gPB_left.attach_deasserted(&pb_left_hit_callback);
jhurley31 2:30020ddfccf6 90 gPB_right.attach_deasserted(&pb_right_hit_callback);
jhurley31 2:30020ddfccf6 91 gPB_up.attach_deasserted(&pb_up_hit_callback);
jhurley31 2:30020ddfccf6 92 gPB_down.attach_deasserted(&pb_down_hit_callback);
jhurley31 1:a6872783beca 93 // Setup speaker
jhurley31 2:30020ddfccf6 94 gSpeakerOut.period(1.0/200000.0);
jhurley31 2:30020ddfccf6 95 // set up a timer to be used for sample rate interrupts
jhurley31 2:30020ddfccf6 96 Ticker Sample_Period;
jhurley31 2:30020ddfccf6 97 Sample_Period.attach(&Sample_timer_interrupt, 1.0/(20000.0));
jhurley31 1:a6872783beca 98
jhurley31 1:a6872783beca 99 //Setup LCD display
jhurley31 2:30020ddfccf6 100 guLCD.display_control(PORTRAIT);
jhurley31 2:30020ddfccf6 101 guLCD.background_color(BLACK);
jhurley31 2:30020ddfccf6 102 guLCD.cls();
jhurley31 2:30020ddfccf6 103 guLCD.baudrate(BAUD_3000000); //jack up baud rate to max for fast display
jhurley31 1:a6872783beca 104 wait(1.0);
jhurley31 2:30020ddfccf6 105
jhurley31 1:a6872783beca 106 // Start sampling pb inputs using interrupts
jhurley31 2:30020ddfccf6 107 gPB_left.setSampleFrequency();
jhurley31 2:30020ddfccf6 108 gPB_right.setSampleFrequency();
jhurley31 2:30020ddfccf6 109 gPB_up.setSampleFrequency();
jhurley31 2:30020ddfccf6 110 gPB_down.setSampleFrequency();
jhurley31 2:30020ddfccf6 111 //////////////////////////////////////
jhurley31 2:30020ddfccf6 112 // Everything should be ready to start playing the game.
jhurley31 1:a6872783beca 113 while(1)
jhurley31 1:a6872783beca 114 {
jhurley31 2:30020ddfccf6 115 // Ask the user if they would like to play a game.
jhurley31 2:30020ddfccf6 116 guLCD.locate(10, 10);
jhurley31 2:30020ddfccf6 117 guLCD.puts("If you would you like to play a game,");
jhurley31 2:30020ddfccf6 118 guLCD.locate(10, 35);
jhurley31 2:30020ddfccf6 119 guLCD.puts("please press a button.");
jhurley31 2:30020ddfccf6 120
jhurley31 2:30020ddfccf6 121 // Wait for a button to be pressed
jhurley31 2:30020ddfccf6 122 while (gGameState == GAME_PAUSED){};
jhurley31 2:30020ddfccf6 123 // Reset the Ghosts and Buzzy
jhurley31 2:30020ddfccf6 124
jhurley31 2:30020ddfccf6 125 // Start up new name
jhurley31 2:30020ddfccf6 126 // Play introduction sounds while drawing the Maze
jhurley31 2:30020ddfccf6 127 gSpeakerOut.SwitchSound(Speaker::BEGIN);
jhurley31 2:30020ddfccf6 128 DrawMaze();
jhurley31 2:30020ddfccf6 129 // Start Game loop
jhurley31 2:30020ddfccf6 130 while (gGameState == GAME_PAUSED)
jhurley31 2:30020ddfccf6 131 {
jhurley31 2:30020ddfccf6 132 gSpeakerOut.SwitchSound(Speaker::DEATH);
jhurley31 2:30020ddfccf6 133 // Move Buzzy and any active ghosts
jhurley31 2:30020ddfccf6 134 gBuzzy.Move();
jhurley31 2:30020ddfccf6 135 for (ii = 0 ; ii < NUM_GHOSTS ; ii++)
jhurley31 2:30020ddfccf6 136 {
jhurley31 2:30020ddfccf6 137 gGhosts[ii].Move();
jhurley31 1:a6872783beca 138
jhurley31 2:30020ddfccf6 139 }
jhurley31 2:30020ddfccf6 140 // Check to see if a Ghost got Buzzy
jhurley31 2:30020ddfccf6 141 /* if (gBuzzy.DidGhostGetBuzzy())
jhurley31 2:30020ddfccf6 142 {
jhurley31 2:30020ddfccf6 143 // Check to see if Game is over
jhurley31 2:30020ddfccf6 144 if (--NumLivesRemaining == 0)
jhurley31 2:30020ddfccf6 145 {
jhurley31 2:30020ddfccf6 146 NumLivesRemaining = 3;
jhurley31 2:30020ddfccf6 147 gGameState = GAME_OVER;
jhurley31 2:30020ddfccf6 148 break;
jhurley31 2:30020ddfccf6 149 }
jhurley31 2:30020ddfccf6 150 // Play Death sound
jhurley31 2:30020ddfccf6 151 gSpeakerOut.SwitchSound(Speaker::DEATH);
jhurley31 2:30020ddfccf6 152
jhurley31 2:30020ddfccf6 153 wait(2.0);
jhurley31 2:30020ddfccf6 154
jhurley31 2:30020ddfccf6 155 // Put Buzzy back at starting location
jhurley31 2:30020ddfccf6 156 }
jhurley31 2:30020ddfccf6 157 */ // Check to see if Buzzy has eaten all the honey drops
jhurley31 2:30020ddfccf6 158 }
jhurley31 2:30020ddfccf6 159
jhurley31 2:30020ddfccf6 160 gGameState = GAME_PAUSED;
jhurley31 1:a6872783beca 161 }
jhurley31 2:30020ddfccf6 162
jhurley31 0:0c450cb95a1e 163 } //end main