Ryan Jones
A zombie game made for the uLCD
Dependencies: 4DGL-uLCD-SE mbed-rtos mbed
Fork of
uLCD144G2_demo
by 
jim hamblen
Diff: main.cpp
- Revision:
- 10:9d16de327719
- Parent:
- 8:31e63caf37e2
- Child:
- 11:4b75ea66467d
diff -r f20983c914aa -r 9d16de327719 main.cpp
--- a/main.cpp Wed Oct 28 15:06:56 2015 +0000
+++ b/main.cpp Sun Mar 13 16:00:46 2016 +0000
@@ -1,171 +1,336 @@
-// uLCD-144-G2 demo program for uLCD-4GL LCD driver library
-//
#include "mbed.h"
#include "uLCD_4DGL.h"
+#include "Speaker.h"
+#include "rtos.h"
-uLCD_4DGL uLCD(p9,p10,p11); // serial tx, serial rx, reset pin;
-
-int main()
+//First make the Nav_Switch class for using the joystick
+class Nav_Switch
{
- // basic printf demo = 16 by 18 characters on screen
- uLCD.printf("\nHello uLCD World\n"); //Default Green on black text
- uLCD.printf("\n Starting Demo...");
- uLCD.text_width(4); //4X size text
- uLCD.text_height(4);
- uLCD.color(RED);
- for (int i=10; i>=0; --i) {
- uLCD.locate(1,2);
- uLCD.printf("%2D",i);
- wait(.5);
- }
- uLCD.cls();
- uLCD.printf("Change baudrate......");
- uLCD.baudrate(3000000); //jack up baud rate to max for fast display
- //if demo hangs here - try lower baud rates
- //
- // printf text only full screen mode demo
- uLCD.background_color(BLUE);
- uLCD.cls();
- uLCD.locate(0,0);
- uLCD.color(WHITE);
- uLCD.textbackground_color(BLUE);
- uLCD.set_font(FONT_7X8);
- uLCD.text_mode(OPAQUE);
- int i=0;
- while(i<64) {
- if(i%16==0) uLCD.cls();
- uLCD.printf("TxtLine %2D Page %D\n",i%16,i/16 );
- i++; //16 lines with 18 charaters per line
- }
- wait(0.5);
- //demo graphics commands
- uLCD.background_color(BLACK);
- uLCD.cls();
- uLCD.background_color(DGREY);
- uLCD.filled_circle(60, 50, 30, 0xFF00FF);
- uLCD.triangle(120, 100, 40, 40, 10, 100, 0x0000FF);
- uLCD.line(0, 0, 80, 60, 0xFF0000);
- uLCD.filled_rectangle(50, 50, 100, 90, 0x00FF00);
- uLCD.pixel(60, 60, BLACK);
- uLCD.read_pixel(120, 70);
- uLCD.circle(120, 60, 10, BLACK);
- uLCD.set_font(FONT_7X8);
- uLCD.text_mode(TRANSPARENT);
- uLCD.text_bold(ON);
- uLCD.text_char('B', 9, 8, BLACK);
- uLCD.text_char('I',10, 8, BLACK);
- uLCD.text_char('G',11, 8, BLACK);
- uLCD.text_italic(ON);
- uLCD.text_string("This is a test of string", 1, 4, FONT_7X8, WHITE);
- wait(2);
+public:
+ Nav_Switch(PinName up,PinName down,PinName left,PinName right,PinName fire);
+ int read();
+//boolean functions to test each switch
+ bool up();
+ bool down();
+ bool left();
+ bool right();
+ bool fire();
+//automatic read on RHS
+ operator int ();
+//index to any switch array style
+ bool operator[](int index) {
+ return _pins[index];
+ };
+private:
+ BusIn _pins;
-//Bouncing Ball Demo
- float fx=50.0,fy=21.0,vx=1.0,vy=0.4;
- int x=50,y=21,radius=4;
- uLCD.background_color(BLACK);
- uLCD.cls();
- //draw walls
- uLCD.line(0, 0, 127, 0, WHITE);
- uLCD.line(127, 0, 127, 127, WHITE);
- uLCD.line(127, 127, 0, 127, WHITE);
- uLCD.line(0, 127, 0, 0, WHITE);
- for (int i=0; i<1500; i++) {
- //draw ball
- uLCD.filled_circle(x, y, radius, RED);
- //bounce off edge walls and slow down a bit?
- if ((x<=radius+1) || (x>=126-radius)) vx = -.90*vx;
- if ((y<=radius+1) || (y>=126-radius)) vy = -.90*vy;
- //erase old ball location
- uLCD.filled_circle(x, y, radius, BLACK);
- //move ball
- fx=fx+vx;
- fy=fy+vy;
- x=(int)fx;
- y=(int)fy;
- }
- wait(0.5);
-//draw an image pixel by pixel
- int pixelcolors[50][50];
- uLCD.background_color(BLACK);
- uLCD.cls();
-//compute Mandelbrot set image for display
-//image size in pixels
- const unsigned ImageHeight=128;
- const unsigned ImageWidth=128;
- //"c" region to display
- double MinRe = -0.75104;
- double MaxRe = -0.7408;
- double MinIm = 0.10511;
- double MaxIm = MinIm+(MaxRe-MinRe)*ImageHeight/ImageWidth;
- double Re_factor = (MaxRe-MinRe)/(ImageWidth-1);
- double Im_factor = (MaxIm-MinIm)/(ImageHeight-1);
- unsigned MaxIterations = 2048;
- for(unsigned y=0; y<ImageHeight; ++y) {
- double c_im = MaxIm - y*Im_factor;
- for(unsigned x=0; x<ImageWidth; ++x) {
- double c_re = MinRe + x*Re_factor;
- double Z_re = c_re, Z_im = c_im;
- int niterations=0;
- for(unsigned n=0; n<MaxIterations; ++n) {
- double Z_re2 = Z_re*Z_re, Z_im2 = Z_im*Z_im;
- if(Z_re2 + Z_im2 > 4) {
- niterations = n;
- break;
- }
- Z_im = 2*Z_re*Z_im + c_im;
- Z_re = Z_re2 - Z_im2 + c_re;
- }
- if (niterations!=(MaxIterations-1))
- uLCD.pixel(x,y,((niterations & 0xF00)<<12)+((niterations & 0xF0)<<8)+((niterations & 0x0F)<<4) );
+};
+Nav_Switch::Nav_Switch (PinName up,PinName down,PinName left,PinName right,PinName fire):
+ _pins(up, down, left, right, fire)
+{
+ _pins.mode(PullUp); //needed if pullups not on board or a bare nav switch is used - delete otherwise
+ wait(0.001); //delays just a bit for pullups to pull inputs high
+}
+inline bool Nav_Switch::up()
+{
+ return !(_pins[0]);
+}
+inline bool Nav_Switch::down()
+{
+ return !(_pins[1]);
+}
+inline bool Nav_Switch::left()
+{
+ return !(_pins[2]);
+}
+inline bool Nav_Switch::right()
+{
+ return !(_pins[3]);
+}
+inline bool Nav_Switch::fire()
+{
+ return !(_pins[4]);
+}
+inline int Nav_Switch::read()
+{
+ return _pins.read();
+}
+inline Nav_Switch::operator int ()
+{
+ return _pins.read();
+}
+
+//Now initialize
+uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
+Nav_Switch myNav(p11,p14,p13,p15,p12);
+Speaker mySpeaker(p21);
+
+//Game states: Start screen, playing, and game over
+enum gamestate {
+ start,
+ playing,
+ gameover
+};
+
+//Which way you're facing is where you fire your gun
+enum facingDirection {
+ up,
+ down,
+ left,
+ right
+};
+
+//Global variables used by SpeakerThread
+//The game state
+int state=start;
+//Checks for each bullet (up,down,left,right) to see if it hit an enemy
+bool hitU=false, hitD=false, hitL=false, hitR=false;
+
+void SpeakerThread(void const *args)
+{
+ while(1) {
+ if(myNav.fire() && state==playing) {
+ //Play noise when gun is fired
+ mySpeaker.PlayNote(500.0,0.1,0.5);
}
- }
- wait(5);
-// PLASMA wave BLIT animation
-//draw an image using BLIT (Block Image Transfer) fastest way to transfer pixel data
- uLCD.cls();
- int num_cols=50;
- int num_rows=50;
- int frame=0;
- double a,b,c=0.0;
- while(frame<75) {
- for (int k=0; k<num_cols; k++) {
- b= (1+sin(3.14159*k*0.75/(num_cols-1.0)+c))*0.5;
- for (int i=0; i<num_rows; i++) {
- a= (1+sin(3.14159*i*0.75/(num_rows-1.0)+c))*0.5;
- // a and b will be a sine wave output between 0 and 1
- // sine wave was scaled for nice effect across array
- // uses a and b to compute pixel colors based on rol and col location in array
- // also keeps colors at the same brightness level
- if ((a+b) <.667)
- pixelcolors[i][k] = (255-(int(254.0*((a+b)/0.667)))<<16) | (int(254.0*((a+b)/0.667))<<8) | 0;
- else if ((a+b)<1.333)
- pixelcolors[i][k] = (0 <<16) | (255-(int (254.0*((a+b-0.667)/0.667)))<<8) | int(254.0*((a+b-0.667)/0.667));
- else
- pixelcolors[i][k] = (int(255*((a+b-1.333)/0.667))<<16) | (0<<8) | (255-(int (254.0*((a+b-1.333)/0.667))));
- }
+ if(hitU || hitD || hitL || hitR) {
+ //Play two notes when enemy hit.
+ mySpeaker.PlayNote(300.0,0.05,0.5);
+ mySpeaker.PlayNote(250.0,0.05,0.5);
}
- uLCD.BLIT(39, 39, 50, 50, &pixelcolors[0][0]);
- c = c + 0.0314159*3.0;
- if (c > 6.2831) c = 0.0;
- frame++;
- }
- //Load Image Demo
- uLCD.cls();
- //SD card needed with image and video files for last two demos
- uLCD.cls();
- uLCD.media_init();
- uLCD.printf("\n\nAn SD card is needed for image and video data");
- uLCD.set_sector_address(0x001D, 0x4C01);
- uLCD.display_image(0,0);
- wait(10);
- //Play video demo
- while(1) {
- uLCD.cls();
- uLCD.media_init();
- uLCD.set_sector_address(0x001D, 0x4C42);
- uLCD.display_video(0,0);
}
}
+int main()
+{
+ while(1) {
+ //Score
+ int score=0;
+ //Player position (initialized at center).
+ int Px1=63-1,Px2=63+1,Py1=63-1,Py2=63+1;
+ //X and Y coordinates for each bullet
+ int BUx=0, BUy=0, BLx=0, BLy=0;
+ int BDx=127, BDy=127, BRx=127, BRy=127;
+ //Zombie coordinates. Z[0][0] = x coordinate of zombie 1, Z[0][1] = y coordinate of zombie 1.
+ //Z[0][0] = x1 coordinate, Z[0][0]+2 = x2 coordinate. Same method for y1 and y2.
+ int Z[1][2];
+ for(int i=0; i<2; i++) {
+ for(int j=0; j<2; j++) {
+ Z[i][j]=0;
+ }
+ }
+ //Which way the player is facing
+ int facing=down;
+ //Threads
+ Thread speaker(SpeakerThread);
+ //Display the start screen
+ uLCD.media_init();
+ uLCD.set_sector_address(0x001D, 0x4C01);
+ uLCD.display_image(0,0);
+ //Switch to the playing state when FIRE is pressed
+ while(state==start) {
+ if(myNav.fire()) {
+ uLCD.cls();
+ wait(1.0);
+ state=playing;
+ }
+ }
+
+ //Draw player and zombie
+ uLCD.filled_rectangle(Px1,Py1,Px2,Py2,BLUE);
+ uLCD.filled_rectangle(Z[0][0],Z[0][1],Z[0][0]+2,Z[0][1]+2,GREEN);
+
+ //Game starts here
+ while(state==playing) {
+
+ //Player Movement
+ //Move the player when buttons are pressed (but don't go off the screen)
+ if(myNav.up() && (Py1!=0)) {
+ facing=up;
+ Py1--;
+ Py2--;
+ uLCD.filled_rectangle(Px1,Py1,Px2,Py2,BLUE);
+ uLCD.filled_rectangle(Px1,Py2+1,Px2,Py2+1,BLACK);
+ } else if(myNav.down() && (Py2!=127)) {
+ facing=down;
+ Py1++;
+ Py2++;
+ uLCD.filled_rectangle(Px1,Py1,Px2,Py2,BLUE);
+ uLCD.filled_rectangle(Px1,Py1-1,Px2,Py1-1,BLACK);
+ } else if(myNav.left() && (Px1!=0)) {
+ facing=left;
+ Px1--;
+ Px2--;
+ uLCD.filled_rectangle(Px1,Py1,Px2,Py2,BLUE);
+ uLCD.filled_rectangle(Px2+1,Py1,Px2+1,Py2,BLACK);
+ } else if(myNav.right() && (Px2!=127)) {
+ facing=right;
+ Px1++;
+ Px2++;
+ uLCD.filled_rectangle(Px1,Py1,Px2,Py2,BLUE);
+ uLCD.filled_rectangle(Px1-1,Py1,Px1-1,Py2,BLACK);
+ }
+ //Firing the gun depending on where you are facing
+ if(myNav.fire() && facing==up && BUy==0) {
+ BUx=Px1+1;
+ BUy=Py1-1;
+ uLCD.pixel(BUx,BUy,WHITE);
+ } else if(myNav.fire() && facing==down && BDy==127) {
+ BDx=Px1+1;
+ BDy=Py2+1;
+ uLCD.pixel(BDx,BDy,WHITE);
+ } else if(myNav.fire() && facing==left && BLx==0) {
+ BLx=Px1-1;
+ BLy=Py2-1;
+ uLCD.pixel(BLx,BLy,WHITE);
+ } else if(myNav.fire() && facing==right && BRx==127) {
+ BRx=Px2+1;
+ BRy=Py2-1;
+ uLCD.pixel(BRx,BRy,WHITE);
+ }
+ //Keep moving the bullets until they hit the wall or a zombie
+ if(BUy!=0 && !hitU) {
+ BUy--;
+ uLCD.pixel(BUx,BUy,WHITE);
+ uLCD.pixel(BUx,BUy+1,BLACK);
+ //Hit detection
+ for(int i=0; i<3; i++) {
+ for(int j=0; j<3; j++) {
+ if((Z[0][0]+i)==BUx && (Z[0][1]+j)==BUy) {
+ hitU=true;
+ }
+ }
+ }
+ } else {
+ uLCD.filled_rectangle(BUx-2,BUy-2,BUx+2,BUy+1,BLACK);
+ BUy=0;
+ hitU=false;
+ }
+ if(BDy!=127 && !hitD) {
+ BDy++;
+ uLCD.pixel(BDx,BDy,WHITE);
+ uLCD.pixel(BDx,BDy-1,BLACK);
+ //Hit detection
+ for(int i=0; i<3; i++) {
+ for(int j=0; j<3; j++) {
+ if((Z[0][0]+i)==BDx && (Z[0][1]+j)==BDy) {
+ hitD=true;
+ }
+ }
+ }
+ } else {
+ uLCD.filled_rectangle(BDx-2,BDy-1,BDx+2,BDy+2,BLACK);
+ BDy=127;
+ hitD=false;
+ }
+ if(BLx!=0 && !hitL) {
+ BLx--;
+ uLCD.pixel(BLx,BLy,WHITE);
+ uLCD.pixel(BLx+1,BLy,BLACK);
+ //Hit detection
+ for(int i=0; i<3; i++) {
+ for(int j=0; j<3; j++) {
+ if((Z[0][0]+i)==BLx && (Z[0][1]+j)==BLy) {
+ hitL=true;
+ }
+ }
+ }
+ } else {
+ uLCD.filled_rectangle(BLx-2,BLy-2,BLx+1,BLy+2,BLACK);
+ BLx=0;
+ hitL=false;
+ }
+ if(BRx!=127 && !hitR) {
+ BRx++;
+ uLCD.pixel(BRx,BRy,WHITE);
+ uLCD.pixel(BRx-1,BRy,BLACK);
+ //Hit detection
+ for(int i=0; i<3; i++) {
+ for(int j=0; j<3; j++) {
+ if((Z[0][0]+i)==BRx && (Z[0][1]+j)==BRy) {
+ hitR=true;
+ }
+ }
+ }
+ } else {
+ uLCD.filled_rectangle(BRx-1,BRy-2,BRx+2,BRy+2,BLACK);
+ BRx=127;
+ hitR=false;
+ }
+
+
+ //Zombie Movement
+ if(!hitU && !hitD && !hitL && !hitR) {
+ if(Px1 > (Z[0][0]+2)) {
+ Z[0][0]=Z[0][0]+1;
+ uLCD.filled_rectangle(Z[0][0]-1,Z[0][1],Z[0][0]-1,Z[0][1]+2,BLACK);
+ } else if(Px2 < Z[0][0]) {
+ Z[0][0]--;
+ uLCD.filled_rectangle(Z[0][0]+3,Z[0][1],Z[0][0]+3,Z[0][1]+2,BLACK);
+ }
+ if(Py1 > Z[0][1]+2) {
+ Z[0][1]++;
+ uLCD.filled_rectangle(Z[0][0],Z[0][1]-1,Z[0][0]+2,Z[0][1]-1,BLACK);
+ } else if(Py2 < Z[0][1]) {
+ Z[0][1]--;
+ uLCD.filled_rectangle(Z[0][0],Z[0][1]+3,Z[0][0]+2,Z[0][1]+3,BLACK);
+ }
+ uLCD.filled_rectangle(Z[0][0],Z[0][1],Z[0][0]+2,Z[0][1]+2,GREEN);
+ }
+ //If zombie is hit, add 10 points and move the zombie to a random spot outside of the
+ //map that doesn't hit (0,0) or (127,127), which is where the bullets are held
+ if(hitU || hitD || hitL || hitR) {
+ score += 10;
+ if(rand() % 2) {
+ Z[0][0] = (rand() % 120)+1;
+ if(rand() % 2)
+ Z[0][1] = -3;
+ else
+ Z[0][1] = 128;
+ } else {
+ Z[0][1] = (rand() % 120)+1;
+ if(rand() % 2)
+ Z[0][0] = -3;
+ else
+ Z[0][0] = 128;
+ }
+ }
+ //Check if zombie touches player, resulting in game over
+ for(int i=0; i<3; i++) {
+ for(int j=0; j<3; j++) {
+ if((Z[0][0]+i)==Px1+j) {
+ for(int m=0; m<3; m++) {
+ for(int n=0; n<3; n++) {
+ if((Z[0][1]+m)==Py1+j) {
+ state=gameover;
+ break;
+ }
+ }
+ }
+ }
+ }
+ }
+ //Display score in the top
+ uLCD.locate(6,0);
+ uLCD.printf("Score: %d",score);
+ }
+ //Display Game Over Screen
+ uLCD.media_init();
+ uLCD.set_sector_address(0x001D, 0x4C65);
+ uLCD.display_image(0,0);
+ //Reset when FIRE is pressed
+ while(state==gameover) {
+ if(myNav.fire()) {
+ uLCD.cls();
+ wait(1.0);
+ state=start;
+ }
+ }
+ }
+
+}
+
+
+