pleistopia/projectiles.lua at main · nialsiG/pleistopia · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
player = require("player")
ui = require("ui")

local projectiles = {}
projectiles.friendly = {}
projectiles.foe = {}

pngBullets = {}
pngBullets["tank"] = love.graphics.newImage("images/playerShellMedium.png")
pngBullets["tankRed"] = love.graphics.newImage("images/enemyShellMedium.png")
pngBullets["turret"] = love.graphics.newImage("images/LED_red.png")
pngBullets["explosion"] = love.graphics.newImage("images/shellExplosion.png")
pngBullets["explosionA"] = love.graphics.newImage("images/Explosion_A.png")
pngBullets["explosionB"] = love.graphics.newImage("images/Explosion_B.png")
pngBullets["explosionC"] = love.graphics.newImage("images/Explosion_C.png")
pngBullets["explosionD"] = love.graphics.newImage("images/Explosion_D.png")
pngBullets["explosionE"] = love.graphics.newImage("images/Explosion_E.png")
pngBullets["explosionF"] = love.graphics.newImage("images/Explosion_F.png")
pngBullets["explosionG"] = love.graphics.newImage("images/Explosion_G.png")
pngBullets["explosionH"] = love.graphics.newImage("images/Explosion_H.png")

function projectiles.Spawn(source, shellType, friendlyOrFoe, addAngle)
   local newProj = {}
   -- choose image
   newProj.png = pngBullets[shellType]

   -- projectile caracteristics
   newProj.source = source
   newProj.x = source.x
   newProj.y = source.y
   newProj.ox = newProj.png:getWidth() / 2
   newProj.oy = newProj.png:getHeight() / 2

   if friendlyOrFoe == "friendly" then
      newProj.r = source.r
   elseif friendlyOrFoe == "foe" then
      newProj.r = source.rHead
   end

   if addAngle ~= nil then
      newProj.r = newProj.r + addAngle
   end
   if shellType == "tank" or shellType == "tankRed"then
      newProj.vx = 240
   elseif shellType == "turret" then
      newProj.vx = 80
   end
   newProj.vy = newProj.vx

   -- collision
   newProj.isCollided = false
   newProj.timer = 0

   -- bounding box
   newProj.bBox = {}
   newProj.bBox[1] = {x = 0, y = 0}

   -- add to relevant table
   if friendlyOrFoe == "friendly" then
      table.insert(projectiles.friendly, newProj)
   elseif friendlyOrFoe == "foe" then
      table.insert(projectiles.foe, newProj)
   end
end

function projectiles.TextureDetect(object, map, tileType, dt)
   -- detect if player projectiles collides with a texture
         local col = math.floor(object.x / ui.tileWidth) + 1
         local row = math.floor(object.y / ui.tileHeight) + 1
         local coord = map.top[row][col]

      if tileType[coord] == "rock" or
         tileType[coord] == "tree" then
         object.isCollided = true
      end
end

-----------------------------------
function projectiles.Update(map, tileType, dt)

  -- Update projectile position
   for i = #projectiles.friendly, 1, -1 do
      -- Move projectiles
         projectiles.friendly[i].x = projectiles.friendly[i].x + math.cos(projectiles.friendly[i].r) * projectiles.friendly[i].vx * dt
         projectiles.friendly[i].y = projectiles.friendly[i].y + math.sin(projectiles.friendly[i].r) * projectiles.friendly[i].vy * dt
         projectiles.friendly[i].bBox[1].x = projectiles.friendly[i].x + math.cos(projectiles.friendly[i].r) * projectiles.friendly[i].png:getWidth() / 2
         projectiles.friendly[i].bBox[1].y = projectiles.friendly[i].y + math.sin(projectiles.friendly[i].r) * projectiles.friendly[i].png:getHeight()
      -- Remove projectiles out of ui
      if projectiles.friendly[i].x < 0
         or projectiles.friendly[i].x > ui.mapWidth * ui.tileWidth
         or projectiles.friendly[i].y < 0
         or projectiles.friendly[i].y > ui.mapHeight * ui.tileHeight
         or player.Distance(projectiles.friendly[i], player.head) > player.shootingRange then
         table.remove(projectiles.friendly, i)
      end
   end

   for i = #projectiles.foe, 1, -1 do
      -- Move projectiles
         projectiles.foe[i].x = projectiles.foe[i].x + math.cos(projectiles.foe[i].r) * projectiles.foe[i].vx * dt
         projectiles.foe[i].y = projectiles.foe[i].y + math.sin(projectiles.foe[i].r) * projectiles.foe[i].vy * dt
         projectiles.foe[i].bBox[1].x = projectiles.foe[i].x + math.cos(projectiles.foe[i].r) * projectiles.foe[i].png:getWidth() / 2
         projectiles.foe[i].bBox[1].y = projectiles.foe[i].y + math.sin(projectiles.foe[i].r) * projectiles.foe[i].png:getHeight()
      -- Remove projectiles out of ui
      if projectiles.foe[i].x < 0
         or projectiles.foe[i].x > ui.mapWidth * ui.tileWidth
         or projectiles.foe[i].y < 0
         or projectiles.foe[i].y > ui.mapHeight * ui.tileHeight then
         table.remove(projectiles.foe, i)
      end
   end

   -- Collision animation
   for i = #projectiles.friendly, 1, -1 do
      projectiles.TextureDetect(projectiles.friendly[i], map, tileType, dt)
      if projectiles.friendly[i].isCollided == true then
         projectiles.friendly[i].vx = 0
         projectiles.friendly[i].vy = 0
         projectiles.friendly[i].timer = projectiles.friendly[i].timer + dt
         if projectiles.friendly[i].timer > 0.1 and projectiles.friendly[i].timer <= 0.15 then
            projectiles.friendly[i].png = pngBullets["explosionA"]
         end
         if projectiles.friendly[i].timer > 0.15 and projectiles.friendly[i].timer <= 0.2 then
            projectiles.friendly[i].png = pngBullets["explosionB"]
         end
         if projectiles.friendly[i].timer > 0.2 and projectiles.friendly[i].timer <= 0.25 then
            projectiles.friendly[i].png = pngBullets["explosionC"]
         end
         if projectiles.friendly[i].timer > 0.25 and projectiles.friendly[i].timer <= 0.3 then
            projectiles.friendly[i].png = pngBullets["explosionD"]
         end
         if projectiles.friendly[i].timer > 0.3 and projectiles.friendly[i].timer <= 0.35 then
            projectiles.friendly[i].png = pngBullets["explosionE"]
         end
         if projectiles.friendly[i].timer > 0.35 and projectiles.friendly[i].timer <= 0.4 then
            projectiles.friendly[i].png = pngBullets["explosionF"]
         end
         if projectiles.friendly[i].timer > 0.4 and projectiles.friendly[i].timer <= 0.45 then
            projectiles.friendly[i].png = pngBullets["explosionG"]
         end
         if projectiles.friendly[i].timer > 0.45 and projectiles.friendly[i].timer <= 0.5 then
            projectiles.friendly[i].png = pngBullets["explosionH"]
         end

         if projectiles.friendly[i].timer > 0.5 then
            table.remove(projectiles.friendly, i)
         end
      end
   end

      for i = #projectiles.foe, 1, -1 do
      projectiles.TextureDetect(projectiles.foe[i], map, tileType, dt)
      if projectiles.foe[i].isCollided == true then
         projectiles.foe[i].vx = 0
         projectiles.foe[i].vy = 0
         projectiles.foe[i].timer = projectiles.foe[i].timer + dt
         if projectiles.foe[i].timer > 0.1 and projectiles.foe[i].timer <= 0.15 then
            projectiles.foe[i].png = pngBullets["explosionA"]
         end
         if projectiles.foe[i].timer > 0.15 and projectiles.foe[i].timer <= 0.2 then
            projectiles.foe[i].png = pngBullets["explosionB"]
         end
         if projectiles.foe[i].timer > 0.2 and projectiles.foe[i].timer <= 0.25 then
            projectiles.foe[i].png = pngBullets["explosionC"]
         end
         if projectiles.foe[i].timer > 0.25 and projectiles.foe[i].timer <= 0.3 then
            projectiles.foe[i].png = pngBullets["explosionD"]
         end
         if projectiles.foe[i].timer > 0.3 and projectiles.foe[i].timer <= 0.35 then
            projectiles.foe[i].png = pngBullets["explosionE"]
         end
         if projectiles.foe[i].timer > 0.35 and projectiles.foe[i].timer <= 0.4 then
            projectiles.foe[i].png = pngBullets["explosionF"]
         end
         if projectiles.foe[i].timer > 0.4 and projectiles.foe[i].timer <= 0.45 then
            projectiles.foe[i].png = pngBullets["explosionG"]
         end
         if projectiles.foe[i].timer > 0.45 and projectiles.foe[i].timer <= 0.5 then
            projectiles.foe[i].png = pngBullets["explosionH"]
         end

         if projectiles.foe[i].timer > 0.5 then
            table.remove(projectiles.foe, i)
         end
      end
   end

end

-----------------------------------
function projectiles.Draw()
   -- Draw projectiles
   for i, s in ipairs(projectiles.friendly) do
      love.graphics.draw(s.png, s.x, s.y, s.r, 1, 1, s.ox, s.oy)
      --love.graphics.circle("fill", s.bBox[1].x, s.bBox[1].y, 2)
   end

   for i, s in ipairs(projectiles.foe) do
      love.graphics.draw(s.png, s.x, s.y, s.r, 1, 1, s.ox, s.oy)
      --love.graphics.circle("fill", s.bBox[1].x, s.bBox[1].y, 2)
   end

end

return projectiles