Welcome
Health System
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Health System Design (4:46)
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Health System Implementation (16:20)
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10_01 Scenario Complete (3:40)
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10_02 Bullets Healing (5:41)
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10_03 Health Bar not Updating (3:52)
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10_04 Health Bar not Updating 2 (2:36)
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10_05 No Damage (2:21)
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10_06 Going under 0 and above Max (3:02)
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10_07 Bullets Spawning Wrong Position (2:54)
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10_08 Health Bar Incorrect (4:03)
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10_09 Error on Damage (2:31)
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10_10 Bullet not Moving (3:08)
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10_11 Health Bar Null Reference (5:25)
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10_12 Enemy dying instantly (2:44)
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10_13 Bullet not Damaging (2:14)
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10_14 Fast Bullet (3:55)
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10_15 Bullets no clean up (2:49)
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10_16 Bullets not damaging (3:25)
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10_17 Fix NullReferenceException (1:49)
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10_18 Not dealing damage (3:21)
Intermission
Movement System
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Movement System Design (2:51)
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Movement System Implementation (8:30)
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11_01 Scenario Complete (1:22)
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11_02 Not Moving (1:20)
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11_03 Error (1:59)
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11_04 Movement is inverted (1:09)
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11_05 No diagonals (1:45)
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11_06 Not colliding with walls (2:39)
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11_07 Movement Slow Inconsistent (3:25)
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11_08 Player barely moves (1:56)
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11_09 Only Moves Right (1:54)
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11_10 Going through walls (2:15)
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11_11 Pebbles solid (1:48)
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11_12 Movement not linear (1:44)
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11_13 Player rotating (1:15)
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11_14 Movement jittery (2:14)
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11_15 Cannot push pebbles (2:20)
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11_16 Collisions strange (2:16)
Inventory System
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Inventory System Design + Implementation (16:39)
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12_01 Scenario Completed (5:29)
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12_02 Cannot pick up items (1:52)
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12_03 Items not being added (2:19)
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12_04 Picks up more stuff (3:11)
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12_05 Always has Apple (3:13)
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12_06 Picking object throws Error (2:40)
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12_07 Dropping items duplicates (3:07)
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12_08 Can only pick up One item (2:17)
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12_09 Cannot pick up items (2:53)
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12_10 Only adding Apples (2:35)
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12_11 Cannot pick up items (2:33)
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12_12 Not dropping items (2:57)
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12_13 Dropping items when empty throws Error (2:23)
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12_14 Invisible Items (2:39)
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12_15 Error picking items (2:59)
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12_16 Fix NullReferenceException (3:10)
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12_17 Items not showing UI (2:46)
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12_18 Drops multiple items at once (2:20)
Crafting System
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Crafting System Design + Implementation (10:33)
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13_01 Scenario Completed (3:57)
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13_02 Error InvalidOperation (3:01)
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13_03 Crafts without Inputs (2:58)
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13_04 Not Crafting Items (3:39)
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13_05 Gold ingots only taking one ore (2:50)
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13_06 Not crafting (3:30)
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13_07 Consuming too many items (4:37)
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13_08 Crafting Gold ingot with one ore (3:30)
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13_09 Cannot craft Gold ingot (2:30)
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13_10 Adding Gold ore doesn't work (3:09)
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13_11 Add item NullReferenceException (4:09)
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13_12 Inventory Empty (2:56)
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13_13 Craft or Add with Error (2:28)
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13_14 Crafting consumes but no craft (2:10)
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13_15 Items all Apples (2:52)
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13_16 Inventory doesn't work (2:26)
Enemy AI
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Enemy AI Design + Implementation (8:36)
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14_01 Scenario Completed (2:56)
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14_02 Attacks too far (2:18)
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14_03 Aim wrong (2:02)
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14_04 Doesn't Attack Player (2:16)
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14_05 Enemy doesn't attack (2:15)
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14_06 Player dying in one shot (2:52)
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14_07 Shooting incorrectly (2:07)
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14_08 Enemy doesn't find Player target (2:27)
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14_09 Enemy attacking from too far (1:33)
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14_10 Player not taking damage (2:42)
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14_11 Enemy shooting itself (2:14)
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14_12 Enemy moving while attacking (2:34)
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14_13 Fix NullReferenceException (2:34)
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14_14 Enemy shoots too far (2:55)
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14_15 Attacking too far (3:06)
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14_16 Fix Error (2:23)
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14_17 Bullets wrong (1:56)
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14_18 Enemy doesn't find Player (2:18)
Key Door System
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Key Door System Design + Implementation (10:17)
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15_01 Scenario Completed (3:59)
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15_02 Fix NullReferenceException (3:14)
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15_03 Not picking up Keys (2:56)
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15_04 Cannot open Red Door (2:17)
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15_05 Door doesn't open (3:29)
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15_06 Fix NullReferenceException (1:34)
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15_07 Red Door won't open (2:27)
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15_08 Blue Door won't open (1:54)
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15_09 Fix MissingReferenceException (1:37)
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15_10 Player not moving (1:45)
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15_11 Not picking keys (2:05)
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15_12 Not picking keys 2 (1:10)
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15_13 Blue Key grabbed twice (1:46)
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15_14 Adding tons of keys (1:59)
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15_15 Key being removed (1:55)
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15_16 Key not being consumed (2:50)
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15_17 Inventory starts with Red Key (2:08)
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15_18 Key not being added (2:27)
Gathering System
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Gathering System Design + Implementation (11:08)
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16_01 Scenario Completed (3:00)
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16_02 Player not gathering anything (2:41)
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16_03 Player not gathering anything 2 (2:38)
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16_04 Wood picked up double (2:03)
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16_05 First pickup 10 (1:59)
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16_06 Gold gives Wood (1:53)
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16_07 Fix NullReferenceException (2:40)
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16_08 Animation not playing (2:29)
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16_09 Not gathering (2:03)
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16_10 Not gathering 2 (3:10)
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16_11 Not picking up items (3:35)
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16_12 Start Stop inconsistent (1:55)
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16_13 Spawning too much Gold (3:33)
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16_14 Not gathering (2:01)
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16_15 Fix NullReferenceException (1:41)
Save System
Interaction System
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18_01 Scenario Completed (2:47)
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18_02 Cannot interact (2:01)
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18_03 Fix NullReferenceException (1:41)
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18_04 Cannot interact (2:31)
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18_05 Player not moving (1:47)
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18_06 Interact popup wrong (1:36)
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18_07 Stuck on picking Pistol (2:24)
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18_08 Fix Error NPC (1:13)
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18_09 Interacting in open space throws Error (2:03)
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18_10 Player starts off disappearing (3:35)
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18_11 Cannot pick up Pistol (2:36)
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18_12 Pistol vanishes on pickup (2:20)
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18_13 Cannot Interact with NPC (2:17)
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18_14 Cannot interact with Pistol (3:45)
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18_15 Pistol not following Player (1:30)
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18_16 Not interacting (2:27)
Quest System
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19_02 Starting Quest Error (1:31)
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19_03 Quests do not progress (2:44)
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19_04 Walk Quest not working (2:16)
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19_05 Walk Quest finishing too fast (3:05)
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19_06 Multiple Quests (2:06)
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19_07 Not picking up quests (2:25)
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19_08 Get Apples Quest not working (3:19)
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19_09 Quests not completing (2:22)
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19_10 Cannot start Quests (2:06)
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19_11 Cannot start Quests 2 (2:50)
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19_12 Apples progress not working (3:02)
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19_13 Apple Quest not progressing (2:11)
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19_14 Starts with one Quest (1:49)
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19_15 Fix NullReferenceException starting Quest (3:06)
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19_16 Walking Quest doesn't progress (2:19)
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19_17 Quests keep completing (2:45)
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19_18 Apples Quest not progressing (2:11)
Equipment System
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20_02 Equipment Visual Doesn't Hide (3:04)
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20_03 Fix NullReferenceException Picking 1, 2 (2:12)
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20_04 Active Visual Doesn't Change (2:10)
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20_05 Cannot Select Pickaxe (2:00)
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20_06 UI Not Visible (1:36)
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20_07 UI Active not Updating (1:43)
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20_08 Bow not Shooting Arrows (2:22)
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20_09 Equip not Working (2:12)
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20_10 Bow doesn't hide (1:37)
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20_11 Bow aiming wrong direction (2:26)
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20_12 Pickaxe not Working (4:08)
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20_13 UI Wrong (2:16)
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20_14 Fix NullReferenceException (1:50)
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20_15 Cannot Select Bow (1:16)
Building System
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21_02 Cannot Add Resources (3:12)
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21_03 Fix FirePit Error (1:12)
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21_04 Cannot Add Progress Construction (3:01)
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21_05 Cannot Interact FirePit (2:13)
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21_06 Second Building Construction Broken (5:25)
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21_07 Building House places FirePit (2:18)
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21_08 Final FirePit won't burn (3:31)
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21_09 Not Picking Items (1:55)
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21_10 Cannot Build House (1:15)
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21_11 Cannot Add Items to Blueprint (3:19)
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21_12 Cannot Construct Building (2:27)
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21_13 Blueprint progress bar not working (2:09)
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21_14 Fix Error Construction Window (2:20)
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21_15 FirePit consumes all Wood (2:34)
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21_16 Cannot Build FirePit (2:06)
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21_17 UI Shows Buildings need Wood (2:07)
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21_18 Fix NaN Error (2:39)
Needs System
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22_02 Amount Above Max (2:22)
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22_03 UI Showing Hunger 100 (1:37)
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22_04 Needs Stuck Zero (2:06)
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22_05 Apple Refilling Too Much (3:17)
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22_06 Inventory Shows Empty (2:26)
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22_07 Needs Bars Always Full (1:39)
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22_08 Player Doesn't Take Damage Starving (2:31)
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22_09 Hunger and Thirst not going down (1:32)
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22_10 Fix NullReferenceException on starving (2:29)
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22_11 Instantly Starving (1:57)
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22_12 Wrong Hunger Thirst (2:05)
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22_13 Cannot Consume Anything (1:46)
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22_14 Not Consuming Anything (3:06)
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22_15 Player dies instantly Starving (2:40)
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22_16 Cannot Craft Royale with Cheese (2:12)
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22_17 Cannot Eat First Apple (2:16)
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22_18 Cannot Consume Items (2:07)
Farming System
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23_02 Cannot Interact Land Plot (1:45)
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23_03 Land Plot breaks after growing Seeds (2:34)
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23_04 Cannot Place Seeds (1:17)
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23_05 Instantly Harvestable (1:36)
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23_06 Cannot add Water (1:44)
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23_07 Growth instant (2:34)
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23_08 Cannot Harvest (2:05)
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23_09 Cannot Grow Plants (2:21)
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23_10 Plants not Growing (1:53)
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23_11 Fix Error Select Seeds UI (2:12)
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23_12 Harvesting Multiple Times (2:20)
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23_13 Cannot Plant Seeds (2:28)
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23_14 Cannot Add Water (2:26)
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23_15 Plants Grow without Water (1:33)
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23_16 Jumps from Seeds to Harvest (2:15)
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23_17 Harvest Banana does Nothing (1:45)
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23_18 Cannot Interact Land Plot (1:32)
MORE LECTURES SOON
High Level Overviews
