Diff: main.cpp

Revision:

12:cb3a81adf48b

Parent:

10:3958fb08696d

Child:

15:3a65925ac561

--- a/main.cpp	Sat May 23 10:50:43 2020 +0000
+++ b/main.cpp	Sun May 24 14:19:21 2020 +0000
@@ -28,32 +28,27 @@
 
 //
 #define HEAD_SIZE 1
-#define HEAD_SPEED 2
+#define HEAD_SPEED 3
 
 
 void welcome();
 void init();
+void render();
 
 
 int main()
 {
-    int fps = 6;
-    //initialise objects
+    //set frames per second 
+    int fps = 4;
+    //initialise objects 
     init();
-    engine.init(HEAD_SIZE, HEAD_SPEED);
-    //head.init(1,3);
-    
-    //render first frame 
-    
+    //display simple start screen and wai for user to press start
     welcome();
-    wait(3.0);
-    
-    lcd.clear();
-    //head.draw(lcd);
-    lcd.refresh();
-    
+    //clear lcd and render first frame 
+    render();
+    //while one loop so keep keeps running   
     while(1) {
-    /*
+    /* Debugging print statements to ensure gamepad joystick was getting the correct direction
     if (_d == N) {
         printf("North\n");
     } else if (_d == NE) {
@@ -79,17 +74,11 @@
             printf("start not pressed\n");
             }*/
         
-    
         engine.read_input(pad);
         engine.update(pad, lcd);
-        lcd.clear();
-        engine.draw(lcd);
-        lcd.refresh();
+        render();
+        wait(1.0f/fps);
         
-        
-        
-        
-        wait(1.0f/fps);
         }
         
         
@@ -98,25 +87,33 @@
 
 
 void welcome() {
-    
-    lcd.printString("     SNAKE!    ",0,1);  
+    //print simple display message
+    lcd.printString("    SNAKE!    ",0,1); 
+    lcd.printString(" Press Start ", 0, 3); 
     lcd.refresh();
      
-    /* wait flashing LEDs until start button is pressed (start pressed function does not seem ot be working as expected 
-    while ( pad.start_pressed() == false) {
+    //wait flashing LEDs until start button is pressed  
+    while ( pad.start_held() == false) {
         lcd.setContrast( pad.read_pot1());
         pad.leds_on();
         wait(0.1);
         pad.leds_off();
         wait(0.1);
-    } */
+    }
  
 }
-
+//function to initialise all objects
 void init() {
     
     lcd.init();
     pad.init();
+    engine.init(HEAD_SIZE, HEAD_SPEED);
+}
+//function to render the image in screen 
+void render() 
+{
+    lcd.clear();
+    engine.draw(lcd);
+    lcd.refresh();
 }
 
-