From 5dbfdbb12987da38ee574be1fa58c55409e199dd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20Ha=C3=9Fel?= <git@patrick-hassel.de>
Date: Mon, 27 Dec 2021 13:41:03 +0100
Subject: [PATCH] SpaceInvaders: some randomness for hero

---
 src/BASICS.h                           | 4 ++++
 src/main.cpp                           | 4 ++--
 src/mode/SpaceInvaders/SpaceInvaders.h | 6 +++---
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/src/BASICS.h b/src/BASICS.h
index e71cef4..de1af91 100644
--- a/src/BASICS.h
+++ b/src/BASICS.h
@@ -26,4 +26,8 @@ double step(double valueCurrent, double valueMin, double valueMax, microseconds_
   return valueNew;
 }
 
+bool randomBool(int uncertainty) {
+  return random(uncertainty) == 0;
+}
+
 #endif
diff --git a/src/main.cpp b/src/main.cpp
index 253bc9a..3a3b66a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -22,7 +22,7 @@ enum ModeId {
 
 Display display(32, 8);
 
-ModeId newModeId = GAME_OF_LIFE_GRAYSCALE;
+ModeId newModeId = SPACE_INVADERS;
 
 ModeId currentModeId = NONE;
 
@@ -30,7 +30,7 @@ microseconds_t lastMicros = 0;
 
 Mode *mode = nullptr;
 
-double speed = 1.0;
+double speed = 4.0;
 
 bool connected = false;
 
diff --git a/src/mode/SpaceInvaders/SpaceInvaders.h b/src/mode/SpaceInvaders/SpaceInvaders.h
index e19306a..479f316 100644
--- a/src/mode/SpaceInvaders/SpaceInvaders.h
+++ b/src/mode/SpaceInvaders/SpaceInvaders.h
@@ -141,18 +141,18 @@ public:
         heroRuntime -= 50000;
         if (heroLeft) {
           heroX--;
-          if (heroX <= 1) {
+          if (heroX <= 1 || randomBool(20)) {
             heroLeft = false;
           }
         } else {
           heroX++;
-          if (heroX >= display->width - 2) {
+          if (heroX >= display->width - 2 || randomBool(20)) {
             heroLeft = true;
           }
         }
 
         heroShoot++;
-        if (heroShoot >= 10) {
+        if (heroShoot >= 20 || randomBool(5)) {
           heroShoot = 0;
           shoot();
         }