[2025] Full-Scale 2D Strategic Tower Defense Game Development Course with Unity & C#

4. R3 Installation

9. Future Flow_Code001

10. Make the Player (Camera) movable up, down, left, and right with WASD keys_Code002

11. Limiting Camera Movement Range_Code003

12. Creating a test button

13. Future Flow_Code004

14. Creating Character Death Processing_Code005

15. Let's make characters able to take damage_Code006

16. Let's display a death log when HP reaches 0_Code007

17. R3 Basic Edition (Explanation of basic functions and writing methods): Let's make it so characters can die when HP reaches 0_1_Code008

18. R3 Applied Edition (Improving Code): Let's Enable Death When HP Reaches 0_2_Code009

19. Bug Fix: RequireComponent Explanation_Code010

20. Creating HP bars for ally characters

21. Future Flow_Code011

22. Let's create a class to update the HP bar UI_Code012

23. R3(ReactiveProperty): Let's make the HP bar decrease in sync when the character's HP decreases_Code013

24. Future Flow_Code014

25. Let's create the attack range for ally characters

26. Let's Create the Core System for Character-to-Character Attack Logic_Code015

27. First, let's place the enemy images to create the attack range.

28. Let's make it possible to detect when an enemy enters the attack range of an ally character_Code016

29. Let's create a class to manage attack targets (preparation before performing area attacks, etc.)_Code017

30. Pass enemy information that entered the attack range to the attack target management class (preparation for attacking)_Code018

31. When an enemy enters the attack range, attack begins_Co019

32. Placement of projectile images fired by ranged characters

33. Future Flow_Code020

34. Let's first create a class to move the projectiles fired by ranged characters_Code021

35. Let's create a class to generate (fire) bullets_Code022

36. Let's enable logging at regular intervals (preparation for generating bullets at regular intervals)_Code023

37. Let's make it so that ranged characters can generate (fire) bullets at regular intervals_Code024

38. Destroy bullets over time (to prevent bullets from accumulating off-screen)_Code025

39. Switch bullet firing start:stop_Code026

40. Attack start bullet firing: Attack end bullet firing stop_Code027

41. Find the closest enemy within attack range (preparation for launching projectiles to attack)_Code028

42. Fires bullets toward the nearest enemy within attack range_Code029

43. Let's first create a class for dealing damage in order to hit bullets and defeat enemies_Code030

44. Hit enemies with bullets to deal damage_Code031

45. When bullets hit enemies, destroy the bullets (to make it clear that damage is being dealt to enemies)_Code032

46. Creating Ranged Enemy Characters

47. Enemy Character HP Bar Color Adjustment (Red)

48. Creating a map for enemy pathfinding (roads where enemies move)

49. Creating enemy movement paths for route navigation

50. Future Flow_Code033

51. Let's make enemies move along paths_Code034

52. Stop and Resume Enemy Path Movement: Let's Make It Possible_Code035

53. When an enemy is in combat (attacking) with an ally, stop movement: Allow movement to resume when combat ends_Code036

54. Let's kill enemies when they finish moving along their path (to maintain consistency with the total number of enemies in the wave system we'll create later)_Code037

55. Enemy melee character image placement

56. Enemy Melee Character HP Bar Update: Let's enable path movement and other features

57. Future Flow_Code038

58. Let's set up animations for melee characters

59. Attack: Let's create a class for switching movement animations_Code039

60. At the start of an attack, use attack motion: at the end, switch to movement motion_Code040

61. Let's create a class for dealing damage to opponents (preparation for dealing damage to opponents with attack motions)_Code041

62. Let's make it so that damage can be dealt to the opponent during attack motion_Code042

63. Installation of materials for allied melee characters

64. Let's create the functional parts for ally melee characters

65. Let's replace the appearance of allied melee characters

66. Change allied melee characters to idle animation by default: HP bar color adjustment

67. Creating the 2nd Melee Character (Knight)

68. Creating UI for switching configurable characters

69. Creating UI for coins consumed when placing characters

70. Future Flow: UI Fine-tuning_Code043

71. ReactiveProperty Explanation: Let's Create a Class to Manage Coins_Code044

72. Let's create a class to update UI elements like coin count_Code045

73. When the number of coins changes, let's update the UI accordingly_Code046

74. Let's make coins rise at regular intervals_Code047

75. Future Flow_Code048

76. Let's create character types (ranged/melee) (preparation for distinguishing placeable tiles according to type)_Code049

77. Let's Create Character Placement Data_Code050

78. Let's make it possible to switch between deployed characters by pressing a button_Code051

79. Let's create a class to manage character placement status_Code052

80. Let's enable temporary log output with left-click (preparation for placing characters with left-click)_Code053

81. When clicking on the UI, let's disable log output (to prevent unintended operations)_Code054

82. Let's enable character placement with left-click_1_Code055

83. Let's enable character placement with left-click_2_Code056

84. Creating Grid for Character Placement_Code057

85. Let's create a process to determine whether a tile can be placed based on the type of melee/ranged character_Code058

86. Let's distinguish the placeable tiles according to character type_Code059

87. Fixed bug where characters cannot be placed on the same tile again after a deployed character dies_Code060

88. Let's make it possible to place characters by consuming coins_Code061

89. Let's output logs temporarily when right-clicking (preparation for character deletion via right-click)_Code062

90. Let's make it possible to delete already placed characters with a right-click_Code063

91. Let's adjust the image size of allied melee characters to match the grid squares

92. Character attack power, HP, and other adjustments

93. Placement of images for enemy melee characters

94. Creating Enemy Melee Characters

95. Enemy Melee Character Status Adjustments

96. Creating UI for displaying total enemy count in wave system

97. Future Flow_Code064

98. Let's set up the enemy data that appears in waves_Code065

99. Let's Generate Enemies in Order_Code066

100. Let's make it possible to generate enemies at regular intervals_Code067

101. When all enemies in the wave are defeated, let's temporarily run the game clear log_Code68

102. Let's display the number of defeated enemies and total count in the UI_Code069

103. Adjusting enemy character attack range

104. Adjusting the attack range of ally characters

105. Creating images and UI for bases

106. Future Flow_Code070

107. Let's make it possible to update the UI of the base's HP_Code071

108. When an enemy hits the base, let's make it deal a fixed 1 damage.

109. Game Over: Creating UI for Game Clear

110. Future Flow_Code072

111. Game Clear Panel: Let's Display the Game Over Panel_Code073

112. Stop enemy generation in waves when the game ends (Game Clear or Game Over)_Code074

113. Let's display the game clear panel when all enemies in the wave are defeated_Code075

114. Let's display the game over panel when the base HP reaches 0_Code076

115. Let's adjust the camera's movement range

117. Creating UI for damage popup

118. Let's create damage popups when enemy melee characters take damage_Code078

119. Let's make it so the second enemy melee character (Goblin) can display damage popups

120. Let's make it so enemy ranged characters can display damage popups_Code079

121. Let's make ally characters able to display damage popups

123. SE and BGM Installation

124. Future Flow_Code080

125. Let's set up the SE data to play_Code081

126. Let's create a class for playing sound effects_Code082

127. Let's play the SE when switching deployment characters_Code083

128. Let's Play SE When Placing Characters_Code084

129. Game Over: Let's Play SE When Game Clear_Code085

130. Coins increased: Let's play SE when ranged characters fire bullets_Code086

131. Let's play an SE when the character takes damage_Code087

132. Let's add BGM to the game

133. Let's create a title screen

134. Future Flow_Code088

135. Let's create a class for retry functionality (general scene transitions)_Code089

136. Let's create Stage 1

137. Let's create the transition from the title screen to Stage 1

138. Stage 1 to Title Screen Transition: Let's Create Stage 2

139. Let's Create Enemies That Move Along Different Paths_1

140. Let's Create Enemies That Move Along Different Paths_2

141. Let's transition to Stage 2 by clearing Stage 1

142. Let's create Stage 3

143. Let's transition to Stage 3 by clearing Stage 2

144. Let's create a game clear screen: Let's create a transition from the game clear screen to the title screen

145. Let's transition to the game clear screen when Stage 3 is cleared

146. Let's get the game ready to play (initial coin count: coin increase rate: BGM and other adjustments): Finally