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Learn Problem Solving

Welcome

What is Problem Solving? (7:59)
How this course is structured (3:38)
Problem Solving Frameworks (6:33)
Download Companion Project (4:19)
Private Livestreams and Discord

Health System

Health System Design (4:46)
Health System Implementation (16:20)
10_01 Scenario Complete (3:40)
10_02 Bullets Healing (5:41)
10_03 Health Bar not Updating (3:52)
10_04 Health Bar not Updating 2 (2:36)
10_05 No Damage (2:21)
10_06 Going under 0 and above Max (3:02)
10_07 Bullets Spawning Wrong Position (2:54)
10_08 Health Bar Incorrect (4:03)
10_09 Error on Damage (2:31)
10_10 Bullet not Moving (3:08)
10_11 Health Bar Null Reference (5:25)
10_12 Enemy dying instantly (2:44)
10_13 Bullet not Damaging (2:14)
10_14 Fast Bullet (3:55)
10_15 Bullets no clean up (2:49)
10_16 Bullets not damaging (3:25)
10_17 Fix NullReferenceException (1:49)
10_18 Not dealing damage (3:21)

Intermission

Intermission (1:12)

Movement System

Movement System Design (2:51)
Movement System Implementation (8:30)
11_01 Scenario Complete (1:22)
11_02 Not Moving (1:20)
11_03 Error (1:59)
11_04 Movement is inverted (1:09)
11_05 No diagonals (1:45)
11_06 Not colliding with walls (2:39)
11_07 Movement Slow Inconsistent (3:25)
11_08 Player barely moves (1:56)
11_09 Only Moves Right (1:54)
11_10 Going through walls (2:15)
11_11 Pebbles solid (1:48)
11_12 Movement not linear (1:44)
11_13 Player rotating (1:15)
11_14 Movement jittery (2:14)
11_15 Cannot push pebbles (2:20)
11_16 Collisions strange (2:16)

Inventory System

Inventory System Design + Implementation (16:39)
12_01 Scenario Completed (5:29)
12_02 Cannot pick up items (1:52)
12_03 Items not being added (2:19)
12_04 Picks up more stuff (3:11)
12_05 Always has Apple (3:13)
12_06 Picking object throws Error (2:40)
12_07 Dropping items duplicates (3:07)
12_08 Can only pick up One item (2:17)
12_09 Cannot pick up items (2:53)
12_10 Only adding Apples (2:35)
12_11 Cannot pick up items (2:33)
12_12 Not dropping items (2:57)
12_13 Dropping items when empty throws Error (2:23)
12_14 Invisible Items (2:39)
12_15 Error picking items (2:59)
12_16 Fix NullReferenceException (3:10)
12_17 Items not showing UI (2:46)
12_18 Drops multiple items at once (2:20)

Crafting System

Crafting System Design + Implementation (10:33)
13_01 Scenario Completed (3:57)
13_02 Error InvalidOperation (3:01)
13_03 Crafts without Inputs (2:58)
13_04 Not Crafting Items (3:39)
13_05 Gold ingots only taking one ore (2:50)
13_06 Not crafting (3:30)
13_07 Consuming too many items (4:37)
13_08 Crafting Gold ingot with one ore (3:30)
13_09 Cannot craft Gold ingot (2:30)
13_10 Adding Gold ore doesn't work (3:09)
13_11 Add item NullReferenceException (4:09)
13_12 Inventory Empty (2:56)
13_13 Craft or Add with Error (2:28)
13_14 Crafting consumes but no craft (2:10)
13_15 Items all Apples (2:52)
13_16 Inventory doesn't work (2:26)

Enemy AI

Enemy AI Design + Implementation (8:36)
14_01 Scenario Completed (2:56)
14_02 Attacks too far (2:18)
14_03 Aim wrong (2:02)
14_04 Doesn't Attack Player (2:16)
14_05 Enemy doesn't attack (2:15)
14_06 Player dying in one shot (2:52)
14_07 Shooting incorrectly (2:07)
14_08 Enemy doesn't find Player target (2:27)
14_09 Enemy attacking from too far (1:33)
14_10 Player not taking damage (2:42)
14_11 Enemy shooting itself (2:14)
14_12 Enemy moving while attacking (2:34)
14_13 Fix NullReferenceException (2:34)
14_14 Enemy shoots too far (2:55)
14_15 Attacking too far (3:06)
14_16 Fix Error (2:23)
14_17 Bullets wrong (1:56)
14_18 Enemy doesn't find Player (2:18)

Key Door System

Key Door System Design + Implementation (10:17)
15_01 Scenario Completed (3:59)
15_02 Fix NullReferenceException (3:14)
15_03 Not picking up Keys (2:56)
15_04 Cannot open Red Door (2:17)
15_05 Door doesn't open (3:29)
15_06 Fix NullReferenceException (1:34)
15_07 Red Door won't open (2:27)
15_08 Blue Door won't open (1:54)
15_09 Fix MissingReferenceException (1:37)
15_10 Player not moving (1:45)
15_11 Not picking keys (2:05)
15_12 Not picking keys 2 (1:10)
15_13 Blue Key grabbed twice (1:46)
15_14 Adding tons of keys (1:59)
15_15 Key being removed (1:55)
15_16 Key not being consumed (2:50)
15_17 Inventory starts with Red Key (2:08)
15_18 Key not being added (2:27)

Gathering System

Gathering System Design + Implementation (11:08)
16_01 Scenario Completed (3:00)
16_02 Player not gathering anything (2:41)
16_03 Player not gathering anything 2 (2:38)
16_04 Wood picked up double (2:03)
16_05 First pickup 10 (1:59)
16_06 Gold gives Wood (1:53)
16_07 Fix NullReferenceException (2:40)
16_08 Animation not playing (2:29)
16_09 Not gathering (2:03)
16_10 Not gathering 2 (3:10)
16_11 Not picking up items (3:35)
16_12 Start Stop inconsistent (1:55)
16_13 Spawning too much Gold (3:33)
16_14 Not gathering (2:01)
16_15 Fix NullReferenceException (1:41)

Save System

17_01 Scenario Completed (3:21)
17_02 Game not loading (2:02)
17_03 Fix NullReferenceException on Load (2:01)
17_04 Not saving amounts (2:08)
17_05 Not saving amounts 2 (3:46)
17_06 Not saving Gold ore in World (3:35)
17_07 Not loading amounts (2:24)
17_08 Not loading Wood objects (2:19)

Interaction System

18_01 Scenario Completed (2:47)
18_02 Cannot interact (2:01)
18_03 Fix NullReferenceException (1:41)
18_04 Cannot interact (2:31)
18_05 Player not moving (1:47)
18_06 Interact popup wrong (1:36)
18_07 Stuck on picking Pistol (2:24)
18_08 Fix Error NPC (1:13)
18_09 Interacting in open space throws Error (2:03)
18_10 Player starts off disappearing (3:35)
18_11 Cannot pick up Pistol (2:36)
18_12 Pistol vanishes on pickup (2:20)
18_13 Cannot Interact with NPC (2:17)
18_14 Cannot interact with Pistol (3:45)
18_15 Pistol not following Player (1:30)
18_16 Not interacting (2:27)

Quest System

19_02 Starting Quest Error (1:31)
19_03 Quests do not progress (2:44)
19_04 Walk Quest not working (2:16)
19_05 Walk Quest finishing too fast (3:05)
19_06 Multiple Quests (2:06)
19_07 Not picking up quests (2:25)
19_08 Get Apples Quest not working (3:19)
19_09 Quests not completing (2:22)
19_10 Cannot start Quests (2:06)
19_11 Cannot start Quests 2 (2:50)
19_12 Apples progress not working (3:02)
19_13 Apple Quest not progressing (2:11)
19_14 Starts with one Quest (1:49)
19_15 Fix NullReferenceException starting Quest (3:06)
19_16 Walking Quest doesn't progress (2:19)
19_17 Quests keep completing (2:45)
19_18 Apples Quest not progressing (2:11)

Equipment System

20_02 Equipment Visual Doesn't Hide (3:04)
20_03 Fix NullReferenceException Picking 1, 2 (2:12)
20_04 Active Visual Doesn't Change (2:10)
20_05 Cannot Select Pickaxe (2:00)
20_06 UI Not Visible (1:36)
20_07 UI Active not Updating (1:43)
20_08 Bow not Shooting Arrows (2:22)
20_09 Equip not Working (2:12)
20_10 Bow doesn't hide (1:37)
20_11 Bow aiming wrong direction (2:26)
20_12 Pickaxe not Working (4:08)
20_13 UI Wrong (2:16)
20_14 Fix NullReferenceException (1:50)
20_15 Cannot Select Bow (1:16)

Building System

21_02 Cannot Add Resources (3:12)
21_03 Fix FirePit Error (1:12)
21_04 Cannot Add Progress Construction (3:01)
21_05 Cannot Interact FirePit (2:13)
21_06 Second Building Construction Broken (5:25)
21_07 Building House places FirePit (2:18)
21_08 Final FirePit won't burn (3:31)
21_09 Not Picking Items (1:55)
21_10 Cannot Build House (1:15)
21_11 Cannot Add Items to Blueprint (3:19)
21_12 Cannot Construct Building (2:27)
21_13 Blueprint progress bar not working (2:09)
21_14 Fix Error Construction Window (2:20)
21_15 FirePit consumes all Wood (2:34)
21_16 Cannot Build FirePit (2:06)
21_17 UI Shows Buildings need Wood (2:07)
21_18 Fix NaN Error (2:39)

Needs System

22_02 Amount Above Max (2:22)
22_03 UI Showing Hunger 100 (1:37)
22_04 Needs Stuck Zero (2:06)
22_05 Apple Refilling Too Much (3:17)
22_06 Inventory Shows Empty (2:26)
22_07 Needs Bars Always Full (1:39)
22_08 Player Doesn't Take Damage Starving (2:31)
22_09 Hunger and Thirst not going down (1:32)
22_10 Fix NullReferenceException on starving (2:29)
22_11 Instantly Starving (1:57)
22_12 Wrong Hunger Thirst (2:05)
22_13 Cannot Consume Anything (1:46)
22_14 Not Consuming Anything (3:06)
22_15 Player dies instantly Starving (2:40)
22_16 Cannot Craft Royale with Cheese (2:12)
22_17 Cannot Eat First Apple (2:16)
22_18 Cannot Consume Items (2:07)

Farming System

23_02 Cannot Interact Land Plot (1:45)
23_03 Land Plot breaks after growing Seeds (2:34)
23_04 Cannot Place Seeds (1:17)
23_05 Instantly Harvestable (1:36)
23_06 Cannot add Water (1:44)
23_07 Growth instant (2:34)
23_08 Cannot Harvest (2:05)
23_09 Cannot Grow Plants (2:21)
23_10 Plants not Growing (1:53)
23_11 Fix Error Select Seeds UI (2:12)
23_12 Harvesting Multiple Times (2:20)
23_13 Cannot Plant Seeds (2:28)
23_14 Cannot Add Water (2:26)
23_15 Plants Grow without Water (1:33)
23_16 Jumps from Seeds to Harvest (2:15)
23_17 Harvest Banana does Nothing (1:45)
23_18 Cannot Interact Land Plot (1:32)

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High Level Overviews

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