Diff: Skateboarder/Stakeboarder.cpp

Revision:

26:4253656c0755

Parent:

21:20478f086bc2

Child:

27:c920c5ec31af

--- a/Skateboarder/Stakeboarder.cpp	Wed Apr 24 17:58:35 2019 +0000
+++ b/Skateboarder/Stakeboarder.cpp	Fri May 03 09:33:34 2019 +0000
@@ -133,8 +133,8 @@
     float joy_y) {     
   _skate_direction = direction;
   _moving_counter = moving_counter;
-  process_x_variables(joy_x);    
-  _x = 40 + 0.4*_moving_counter;
+  process_x_variables(joy_x);      
+  _x = 40 + 0.4*_moving_counter;  // Moving counter is scaled for speed control.
   check_duck(joy_y); 
 }
     
@@ -171,14 +171,14 @@
     Gamepad &gamepad) {
   _jump_counter = jump_counter;
   _level_condition = level_condition; 
-  if (jump && _jump_counter < 25) {  // Jump condition. Jump counter must be < 
-  // 25 to limit double jump. 
+  // Jump condition. Jump from A button must be true. 
+  if (jump) {  
     _jump_counter = 40;  // Controls height and fall time.
     gamepad.tone(440, 0.05);  // Buzzer jump sound.
     wait(0.05);
     gamepad.tone(880, 0.05);
   }
-  if (_jump_counter !=0) _jump_counter--;         
+  if (_jump_counter !=0) _jump_counter--;  // Keep falling until not jumping.       
   if (_level_condition == 1 && jump){  // If skater is under / on-top of upper 
   // platforms, will jump to / stay on upper platforms.
     _level = 5;
@@ -214,6 +214,7 @@
 }   
 
 int * Skateboarder::get_sprite(Sprite_value sprite) {
+  // Return correct sprite.
   if (sprite == Skate_right) {
     return *skate_right;
   } else if (sprite == Skate_left) {
@@ -230,12 +231,13 @@
 } 
 
 void Skateboarder::fall(bool fall_flag, Gamepad &gamepad) {
+  // Falling sequence. 
   _fall_flag = fall_flag;
   _y++;
   gamepad.tone(int(-15.8*_y + 1363), 0.05);  // Linear equation makes decending 
   // frequency sound.
   wait(0.005);  // Control fall time and fall sound speed.
-  if (_y == 80) {  // Stop falling. 
+  if (_y == 80) {  // Stop falling when y = 80. 
     _fall_flag = false;
     _reset_flag = true;
   }