Diff: GameEngine/SnakevsBlock/SnakevsBlock.cpp

Revision:

87:871d9fecb593

Parent:

85:d50ba0994676

Child:

92:693a6ae0ff8e

--- a/GameEngine/SnakevsBlock/SnakevsBlock.cpp	Tue May 07 00:02:11 2019 +0000
+++ b/GameEngine/SnakevsBlock/SnakevsBlock.cpp	Wed May 08 16:39:24 2019 +0000
@@ -36,7 +36,7 @@
 
     //To make default motion of the snake free.
     for(int i=0; i<=9; i++)  {
-        b[i] = 1;
+        immobile_bead_n[i] = 1;
     }
 }
 
@@ -50,7 +50,7 @@
     }
     //To make default motion of the snake free.
     for(int i=0; i<=9; i++)  {
-        b[i] = 1;
+        immobile_bead_n[i] = 1;
     }
 }
 
@@ -76,7 +76,7 @@
             _d = _pad->get_direction(); //Obtains Direction pushed towards on Joystick.
             break;
         case 2:
-            if (_tiltAngle >= 5) {
+            if (_tiltAngle >= 5) { //obtains tilt angle using SnakevsBlock::calculateTilt(device).
                 _d = E;
             } else if (_tiltAngle <= -5) {
                 _d = W;
@@ -99,7 +99,7 @@
     if (_pad->check_event(Gamepad::A_PRESSED) == true)  {
         garbage = _tiltAngle;
     }
-    _tiltAngle = -device.get_roll_angle() - garbage;
+    _tiltAngle = -device.get_roll_angle() - garbage; // makes sure that the tilt angle used for calculations is the one subtracted from reference.
 
     //device.get_values();
     //printf("%f",_tiltAngle);
@@ -109,15 +109,15 @@
 void SnakevsBlock::lightTheLEDS() //This function ligths the LEDS dependent on the direction of travel.
 {
     if (_d == E)  {
-        for(int led = 4; led <= 6; led++) {
+        for(int led = 4; led <= 6; led++) {  //Lights 3 LEDs on, on the gamepad from the Right.
             _pad->led(led,1);
         }
     } else if (_d == W)  {
-        for(int led = 1; led <= 3; led++) {
+        for(int led = 1; led <= 3; led++) {  //Lights 3 LEDs on, on the gamepad from the Left.
             _pad->led(led,1);
         }
     } else {
-        for(int led = 1; led <= 6; led++) {
+        for(int led = 1; led <= 6; led++) {  //Lights all LEDs off, on the gamepad.
             _pad->led(led,0);
         }
     }
@@ -169,7 +169,7 @@
     SnakevsBlock::CheckSnakeBarrierCollision(0); //Function checks for when the snake collides with barrier A.
     SnakevsBlock::CheckSnakeBarrierCollision(1); //Function checks for when the snake collides with barrier B.
 
-    _s.update(_d, b); //_d is the direction of joystick and b controls the motion of a section of the snake relative to obstruction
+    _s.update(_d, immobile_bead_n); //_d is the direction of joystick and immobile_bead_n controls the motion of a section of the snake relative to obstruction
     _f.update();
     _ff.update();
     _fff.update();
@@ -319,6 +319,7 @@
     } else {          //is 10.
         velocity = 1;
     }
+    //Send velocities set to related classes.
     _b.velocity.y = velocity;
     _f.velocity.y = velocity;
     _ff.velocity.y = velocity;
@@ -329,6 +330,8 @@
 
 int SnakevsBlock::CheckBlock(int block)
 {
+//This gets the value of int block from the loop in SnakevsBlock::CheckSnakeBlockCollision() and compares it to some preset ranges, and sees which sr num
+//should be allocated to it concidering there are 5 blocks numbered 0-4 from right to left, and this identifies the relevant block due to its x axis positions.
     int srn;
     if((block>=0)&&(block<=18))  {
         srn = 0;
@@ -354,7 +357,7 @@
     if(blocknum > 0)  {  // to make sure that snake doesn't decrease in _length if number on the block is less than 1;
         _l.MinusLength(); //instructs the length manager class to subtract the length by 1.
         _pad->tone(432.0,0.1);
-        wait(0.04);
+        wait(0.07); //The wait here makes the player feel that they have enough time to slide away and avoid collision.
     }
     blocknum-=1;
 }
@@ -373,7 +376,7 @@
 void SnakevsBlock::MakeDefaultMotionFree()  //this makes the default motion of the snake freemoving before a collision is checked for, to forget the previous collision.
 {
     for(int i=0; i<=9; i++)  {
-        b[i] = 1;
+        immobile_bead_n[i] = 1;
     }
 }
 
@@ -485,7 +488,7 @@
     //code makes sure that the colliding part doesn't move in x axis.
     for(int snake_beed_num=0; snake_beed_num<=10; snake_beed_num++)  {
         if(_virtualLength == snake_beed_num + i)  {
-            b[snake_beed_num - 1] = 0;
+            immobile_bead_n[snake_beed_num - 1] = 0;
         }
     }
 }
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